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Looking for top SQL jobs? Explore the best SQL developer roles, database administrator positions, and data analyst opportunities on Haystack. Whether you're skilled in SQL Server, MySQL, or Oracle, find your next career move with our up-to-date listings tailored for SQL professionals. Start your job search today and advance your career in database management and development!
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Junior Full Stack Developer C# SQL JavaScript
Client Server Ltd.
Hemel Hempstead
Hybrid
Junior
£35k - £50k
RECENTLY POSTED
javascript
csharp
sql
vue.js
Junior Full Stack Developer / Engineer (C# SQL JavaScript) Hemel Hempstead to £50k
Do you enjoy working with a range of programming languages across the full tech stack? You could be progressing your career at a growing Tech for Good company that provides psychometric testing and careers advice for students across the globe, to help people discover their strengths and interests.
As a Junior Full Stack Developer you’ll design and develop new features and enhancements to the core platform, working with C# and SQL on the backend through to JavaScript and Vue.js on the frontend. You’ll be supported by more senior engineers and be encouraged to contribute ideas, you’ll have your voice heard as part of a small team so can make an impact and quickly progress your career.
Location / WFH:
You’ll join colleagues 2-3 days a week in a picturesque countryside location, close to Hemel Hempstead with free parking onsite (there’s also an ice-cream freezer!); you can also work from home and there are flexible start / finish times to accommodate school runs or other commitments.
About you:
You have experience across the full tech stack including C#, SQL querying and JavaScript (Vue.js experience would be nice, but you can pick it up on the job)
You enjoy collaborating and taking part in technical discussions, are keen to contribute ideas and improve your skills
You are degree educated, Computer Science or similar technical discipline
What’s in it for you:
As a Junior Full Stack Developer / Engineer you will earn a competitive package:
Salary to £50k + bonus
Pension
Hybrid working, flexible hours
Apply now to find out more about this Junior Full Stack Developer / Engineer (C# SQL JavaScript) opportunity.
At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We’re an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Tableau Developer
Lorien
London
Hybrid
Mid
Private salary
RECENTLY POSTED
tableau
sql
snowflake
Hybrid Working - London - 1-2 days a week on site.
Financial Services
Lorien’s leading banking client is looking for a Tableau Developer to join the expanding team on a long-term project.
This role is based in London.
This role will be Via Umbrella.
Working in a Hybrid Model of 1-2 days a week on site.
Key Skills and Experience
You’ll be leading and coaching colleagues to plan and deliver strategic agreed project and scrum outcomes.
You’ll drive the use of advanced analytics in your team to develop business solutions which meet the needs of our stakeholders and increase the understanding of our business, including its customers, processes, channels and products.
As well as this, you’ll be:
Working closely with business stakeholders to define detailed, often complex and ambiguous business questions, problems or opportunities
Planning and delivering data and analytics resource, expertise and solutions, which brings commercial and customer value to business challenges
Communicating data and analytics opportunities and bringing them to life in a way that business stakeholders can understand and engage with
Adopting and embedding new tools, technologies and methodologies to carry out advanced analytics
Developing strong stakeholder relationships to bring together advanced analytics, data science and data engineering work that is easily understandable and links back clearly to our business needs
The Skills You’ll Need
We’re looking for a capable leader with a passion for data and analytics, and experience of coaching and supporting their colleagues to succeed. Along with advanced analytics knowledge, you’ll bring an ability to simplify data into clear data visualisations and compelling insight using appropriate systems and tooling?.
Requires 3-5 years (at least) experience in:
Tableau
SQL
Excel
Snowflake
Excellent stakeholder management and requirement gathering skills - they need to be able to drive meaningful requirements through proactive challenge of business
Excellent communication skills and be able to present to senior manager level stakeholders
Knowledge of data architecture, key tooling and relevant coding languages ?
Strong knowledge of data management practices and principles?
Experience of translating data and insights for key stakeholders ?
Good knowledge of data engineering, data science and decisioning disciplines ?
Strong communication skills with the ability to engage with a wide range of stakeholders
IND_PC3
Carbon60, Lorien & SRG - The Impellam Group STEM Portfolio are acting as an Employment Business in relation to this vacancy.
Backend Software Engineer C# .Net - Asset Management
Client Server Ltd.
London
In office
Mid
£100k - £150k
RECENTLY POSTED
dot-net
csharp
react
asp-net
javascript
sql
Backend Software Engineer / Developer (C# .Net) London onsite to £150k
Are you an experienced C#, backend focussed Software Engineer?
You could be progressing your career in a senior, hands-on role at a global Asset Manager with c$3 million under management, earning substantial bonuses.
As a Backend Software Engineer within the trading engine team you’ll collaborate to design and develop real-time trading systems, you’ll often be collaborating with he strategy team on Greenfield projects which you’ll take ownership of and will see the business impact of. There’s a focus on backend and API development although you’ll also have elements of front end work with JavaScript and React.js.
Location:
You’ll be based in plush City office on a fulltime basis, Monday to Friday.
About you:
You have expertise with C# .Net, ASP.Net development
You have a strong knowledge of databases (SQL or Oracle)
You’re comfortable with JavaScript / React
You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms
You are collaborative with excellent communication and stakeholder management skills
You are degree educated in Computer Science or similar technical discipline
What’s in it for you:
As a Backend Software Engineer / Developer you will receive a competitive package:
Salary to £150k
Bonus paid every six months based on personal performance (10-25%)
Professional development
Pension
Health Insurance
Gym membership
Social events, free fruit, snacks, coffee etc.
Apply now to find out more about this Backend Software Engineer / Developer (C# .Net) opportunity.
At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We’re an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
C# Developer Full Stack TypeScript AWS
Client Server Ltd.
Sunderland
Hybrid
Mid
£40k - £55k
RECENTLY POSTED
aws
typescript
csharp
react
dot-net
terraform
+7
C# Developer / Full Stack Engineer (.Net TypeScript AWS) Sunderland / WFH to £55k
Are you a C# developer who enjoys working across the full tech stack with a range of languages and technologies?
You could be progressing your career in a hands-on C# Developer role at a at a growing games / gambling site, whilst enjoying a range of benefits and perks, alongside continual learning and self development opportunities.
As a C# Developer you’ll build captivating full stack web applications across all backend services and REST APIs that form the core platform e.g. payments. You’ll be using C# .Net core through to TypeScript and Vue.js within an AWS cloud based environment with Docker, Terraform (IaC), TeamCity, SQL and Redis; you’ll gain exposure to a wide range of technology and will be able to input into technical discussions within a collaborative Agile team.
Location / WFH:
There’s a hybrid work from home policy with 2-3 days a week; when you’re in the office you’ll be collaborating with fellow technologists in a relaxed environment in awesome custom built offices in Sunderland with a range of facilities and perks including free meals at the onsite restaurant as well as membership at onsite gym.
About you:
You have backend C# development experience including C# and TypeScript,
You also have experience with JavaScript and associated frameworks, ideally Vue.js but React or Angular are also fine
You have experience of implementing frontend applications
You have a good knowledge of AWS
You’re collaborative with great communication skills
What’s in it for you:
As a C# Developer / Full Stack Engineer you will receive a competitive package:
Competitive salary to £55k + quarterly bonus
Holiday purchase scheme, plus an extra day for every your there (up to 5)
Pension, Private medical care
Onsite gym
Onsite restaurant with free breakfast, lunch, snacks and drinks
Free inner city parking
Free tickets to EFL matches
Hybrid working (x3 days a week office)
Family friendly policies
Social events and more!
Apply now to find out more about this C# Developer / Full Stack Engineer (.Net TypeScript AWS) opportunity.
At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We’re an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Product Architect C# .Net SaaS
Client Server Ltd.
Nottingham
Fully remote
Mid
£75k - £85k
RECENTLY POSTED
dot-net
csharp
aws
sql
Product Architect (C# .Net SQL AWS) Nottingham / Remote to £85k
Opportunity to progress your career in an impactful, Product Architect role, at a tech company that provides a range of SaaS software solutions.
As a Product Architect you will collaborate with Product Management and Agile software delivery tribes to define, design, document and communicate the technical architecture for new products and features with scalability and reliability at the core, with a focus on payment systems.
You’ll liaise between the Professional Services team and Lead Software Engineers to agree technical solutions to meet business needs and drive improvements; initially you’ll assess the current architecture, identify technical debt and architecture improvements to create technical strategy and roadmaps for the next 6-18 months.
You will help foster an environment of innovation, collaboration, and inclusion, pushing towards an architecture that optimises flexibility, reuse, scalability, performance, durability and availability.
Location / WFH:
You can work from home most of the time, meeting up with colleagues in Nottingham office once a month / quarter.
About you:
You have strong software development skills with C# .Net, SQL Server and AWS (or other e.g. Azure, GCP); you don’t ned to be hand-on with coding but have a strong technical development background
You have experience with solution and technical design of multi-tier, distributed scalable .Net solutions
You have a strong knowledge of event driven microservices
You have advanced technical documentation skills
You have excellent communication, presentation and collaboration skills
What’s in it for you:
As a Product Architect you will earn a competitive package:
Salary to £85k
25 days holiday
Vitality Health Insurance
5% non-contributory pension
Death in Service
Apply now to find out more about this Product Architect (C# .Net SQL AWS) opportunity.
At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We’re an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Power Platform Developer
bpha
Bedford
Hybrid
Mid
£53k
RECENTLY POSTED
dot-net
itil
powershell
dynamics-crm
sql
Bedford (Hybrid)
£52,500 per annum
Reporting to: Head of IT Change
Role Type: Full Time, Permanent
Base: Home based with monthly attendance at Bedford Heights, Bedford
Join Us as a Power Platform Developer!
Are you passionate about Microsoft Dynamics 365 and the Power Platform? Do you thrive on innovation and want to make a real impact in enterprise-scale transformation projects? If so, we want to hear from you!
At bpha, we’re looking for a dynamic and forward-thinking Power Platform Developer to join our IT Change team. You’ll be at the heart of driving digital transformation, leveraging the Microsoft stack to deliver cutting-edge solutions that improve operational efficiency and customer experience.
What You’ll Be Doing
Leading the implementation and enhancement of Microsoft Dynamics 365 and Power Platform solutions.
Advising the business on the capabilities of Microsoft technologies and guiding strategic application decisions.
Collaborating with solution architects to design and build scalable systems.
Mentoring junior developers and fostering a culture of continuous learning.
Providing expert third-line support and maintaining high-quality documentation.
Engaging with the wider Microsoft community to bring fresh ideas and innovations.
What You’ll Bring
Essential Skills & Experience:
Strong problem-solving and communication skills.
Proven experience with Microsoft Dynamics 365, Power Platform, Azure, PCF components, MS Graphs, and SharePoint.
Background in delivering large transformational projects and working within agile frameworks.
Strategic thinking and stakeholder management.
Ability to manage multiple projects and support activities simultaneously.
Desirable Extras:
Experience in the social housing sector or housing systems.
Knowledge of web technologies, mobile app solutions, and MS SQL Server Integration Services.
Development skills in .NET, PowerShell, and Microsoft SQL.
Qualifications
Relevant degree or equivalent experience with MS Dynamics.
Power Platform Developer or Functional Consultant certification.
Agile or project management certifications (e.g. Scrum, PRINCE2, APM) and ITIL Foundation are a plus.
Our Values
We take responsibility. We show empathy. We are better together. We are ambitious. At bpha, we’re committed to doing the right thing, working collaboratively, and striving for excellence in everything we do.
Ready to make a difference with us? Apply now and be part of a team that’s shaping the future of digital transformation.
Senior Digital Analyst / Digital Analytics Consultant
Sanderson
London
In office
Senior
£450 - £550
RECENTLY POSTED
google-analytics
google-bigquery
looker
sql
Digital Analyst / Digital Analytics / Google Analytics Consultant
Leverage data to deliver insights which drive data-led optimisation and
Build clear and insightful dashboards to allow the team to self-serve data driven insights, and understand business performance.
Utilise a variety of data sources such as, but not limited to, Google Analytics, SAP & Digital Asset Management tools to extract data and transform into useable insights and dashboards.
Work collaboratively with key stakeholders to provide actionable and relevant insights to inform and drive a data driven strategy.
Identify new process improvement opportunities, and be proactive in embedding them into ways of working.
Be a champion of Digital Analytics and embed best in class practises into your ways of working.
What were looking for:
Experience of working in a digital analytics team; supporting a variety of digital teams.
Strong analytical skills, with experience of delivering analysis and insight focused on growth & improvement.
Experience of using digital analytics tools such as Google Analytics (or equivalent).
A minimum of intermediate SQL ability with experience of using tools such Google BigQuery, Databricks (or equivalent).
Use of visualisation tools (Looker Studio/Power BI/Tableau).
Strong stakeholder engagement and ability to work collaboratively across multiple teams.
Proactive nature, experience being a self-starter and operating with autonomy.
Ability to manage multiple projects simultaneously.
Solid presentation skills with an ability to adjust their key messages to different audiences
Please reach out for more information
Reasonable Adjustments:
Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.
If you need any help or adjustments during the recruitment process for any reason***,*** please let us know when you apply or talk to the recruiters directly so we can support you.
Business Intelligence Analyst PowerBI SQL
Client Server Ltd.
London
Hybrid
Mid
£55k - £70k
RECENTLY POSTED
powerbi
sql
aws
Business Intelligence Analyst (PowerBI SQL) London to £70k
Do you have expertise with PowerBI combined with the drive and enthusiasm to take ownership of BI activities at a growing tech start-up?
You could be progressing your career in a senior, hands-on role at a growing SaaS tech company that provide a platform for retailers, gaming and gambling businesses to retain their customer base via marketing loyalty campaigns. They’ve been recognised in the top 10 by Times and Financial Times amongst the “Fastest Growing Companies in Europe” and have received multiple industry awards.
As a Business Intelligence Analyst / BI Analyst you’ll be the first hire within this area, supported by the Head of Finance you’ll oversee the implementation of the AWS Redshift Data Warehouse that has been built by a tech consultancy and take ownership of implementing PowerBI into the business to enable data informed decisions that drive efficiency and revenue.
You’ll design and develop reports, dashboards and data visualisations using PowerBI to present findings clearly and concisely, collaborating with business stakeholders, such as marketing, sales, finance and operations to understand their requirements and perform detailed analysis on business data, identifying patterns, trends and insights that can inform decision-making and strategy, focusing on growth opportunities.
This is an excellent opportunity to take on an impactful role at a scaling tech company that has secure backing, with excellent career prospects.
Location / WFH:
There’s a hybrid model with 2-3 days a week in the London office and flexibility to work from home.
About you:
You have strong experience in a Business Intelligence / Data Analysis position
You have expertise with PowerBI
You have advanced SQL skills for data querying and analysis
You have a good understanding of data modelling and data warehousing concepts including ETL
You have end-to-end project experience, are detail orientated and able to manage multiple deliverables across competing priorities
You have excellent communication, collaboration and stakeholder management skills with the ability to push back when needed
You have experience in a scaling tech company or SaaS business
You have an entrepreneurial spirit and strong commercial acumen, you’re proactive and comfortable reaching out to department heads to drive improvements
You are degree educated in a numerate discipline
What’s in it for you:
Competitive salary, to £70k
Pension
25 days holiday
Hybrid working (x2 days WFH per week)
Continuous career growth and self-development opportunities
Impactful role at a growing company
Apply now to find out more about this BI Analyst / Business Intelligence Analyst (PowerBI SQL) opportunity.
At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We’re an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.
Senior Full Stack Software Developer (.NET)
DMR Personnel Ltd
Norfolk
Hybrid
Senior
£60k - £70k
RECENTLY POSTED
dot-net
entity-framework
asp-net
aws
git
javascript
+7
Important Before Applying: Please not that candidates who are unable to drive, or do not have access to a vehicle, need not apply as my client is not on any bus or train routes.
Full Stack Software Developer (.NET)
We have a great opportunity for a strong C# .NET Software Developer to join our clients software development team based in Wymondham. This is an ideal role for someone who wants to join a friendly, small and highly technical team where you can have a real impact.
Location: Wymondham, Norfolk.
Offices based in a beautiful location.
Hybrid 50/50, from day 1.
Reporting to: Development Manager.
Employment Type: Full-time, Permanent.
Benefits:
Pension.
Free daily parking.
20 days holiday initially for year 1.
Competitive salary and benefits.
Opportunity to lead testing in a cutting-edge software company.
Career growth in a rapidly expanding global business.
A dynamic, innovative, and collaborative work environment.
Further benefits coming in due course, yet to be defined.
Our client is in urgent need of a Full Stack Web Developer to support our team in building and developing top-class websites and delivering cutting-edge software features for our digital software business.
This is an excellent opportunity for a Full Stack Developer who has experience with a variety of development technologies.
Responsibilities will include producing fully functional, clean code; integration of backend data; UI and web layout design; as well as de-bugging and bug-fixes. You’ll be working across the full stack Microsoft stack C# .Net Core, ASP.Net MVC, Entity Framework and SQL as well as using a range of web technologies including JavaScript and HTML / CSS.
Key Responsibilities:
Full Stack Development:
Develop, test, and maintain both front-end and back-end components for web and mobile-based applications.
Design and implement scalable, high-performance solutions using .NET technologies.
Work closely with product managers, UX/UI designers, and other developers to deliver features that meet business requirements and enhance user experience.
Write clean, efficient, and maintainable code adhering to industry best practices.
Conduct code reviews, provide feedback, and mentor junior developers when required.
Design and implement RESTful APIs and services using ASP.NET Core.
Ensure database performance and scalability with SQL Server and/or other database technologies.
Implement responsive and user-friendly front-end interfaces using modern JavaScript and styling/CSS frameworks
Ensure compatibility across different browsers and devices.
Write unit, integration, and end-to-end tests to ensure the reliability and performance of applications.
Perform debugging and troubleshooting of software issues, ensuring prompt resolution.
Ensure that all solutions are secure, follow best practices, and comply with relevant industry standards (e.g., GDPR, data protection regulations).
Continuous Improvement:
Stay up-to-date with the latest trends and technologies in software development, and proactively suggesting improvements and new tools.
Technical Skills:
Strong experience with .NET technologies, particularly ASP.NET Core and C#.
Proficiency with front-end technologies like HTML5, CSS3, JavaScript, and modern JS frameworks.
Experience with relational databases such as SQL Server.
Familiarity with cloud platforms (e.g., Azure, AWS) and DevOps practices.
Experience with version control systems (e.g., Git).
Ability to analyse and resolve complex technical issues.
Strong debugging and performance optimization skills.
Excellent communication skills, with the ability to work effectively in cross-functional teams.
Ability to translate technical concepts to non-technical stakeholders.
Experience with Agile methodologies (e.g., Scrum, Kanban).
Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent work experience).
At least 5 years of professional experience in full-stack software development.
Senior Data Analyst Up to £85, Bonus London Hybrid
Opus Recruitment Solutions Ltd
Liverpool
Hybrid
Senior
£60k - £85k
RECENTLY POSTED
r
python
sql
Senior Data Analyst London (Hybrid) 3 days in the office Up to £60,000 to £85,000 + 10% bonus, 25 days holiday + Birthday off, 5% Pension, Various DiscountsSQL Python R Segmentation Data Analytics Are you the kind of Data analyst who doesn’t just crunch numbers but asks why they matter?Do you enjoy turning messy data into clear stories that influence real decisions?Are you confident working with senior stakeholders and driving change across a business?If that sounds like you, this role could be a great fit.I am working with a global organisation that’s made huge strides in becoming truly data driven. Their central Analytics & Data Science team is at the heart of that transformation and they’re now looking for someone who can help take things even further.**Why This Role?**This isn’t just another Data Analyst reporting job. You’ll be part of a team that’s central to how the business makes decisions, your work will be seen, valued, and acted on. It’s a fast-paced environment where your ideas genuinely matter.What You’ll Be Doing As Senior Data Analyst
Dive into data to solve real business challenges
Own customer insight and spot opportunities others miss
Work directly with senior leaders-from C-suite down
Connect online and offline data to build a full customer picture
Support predictive modelling with the data science team
Build dashboards in Power BI to help teams self-serve
Present insights in a clear, engaging way that drives action
Champion a data-first culture across the business
What You’ll Bring
Strong SQL skills (Python or R is a bonus)
Experience in analytical roles, ideally with commercial or finance exposure
Confidence working with senior stakeholders
A curious mindset and proactive approach
Experience with data visualisation tools (Power BI preferred)
Solid understanding of statistics and how to apply it in context
Nice to Have
Familiarity with consumer data and campaign analytics
If you’re ready to make an impact and help shape a data-driven future, we’d love to hear from you.Apply now or reach out for a quick chat.
Data Engineer
VIQU IT Recruitment
South Glamorgan
Hybrid
Mid
£400 - £420
RECENTLY POSTED
fabric
github
python
sql
t-sql
ssis
Data Engineer - 3 Month Contract - Hybrid - Cardiff
VIQU have partnered with an NHS client who are seeking a Data Engineer to support an ongoing project.
The successful Data Engineer will support the modernisation of the data estate, migrating legacy SQL Server warehouses into Azure. You will play a key role in shaping the new cloud data platform.
Responsibilities:
Build and optimise ETL/ELT pipelines with Azure Data Factory, Synapse, and SQL Database.
Lead the migration of on-premises SQL Server/SSIS workloads into Azure.
Design data lakes, marts, and models to support analytics and reporting.
Integrate external sources including Google Cloud Platform.
Drive data governance with tools like Azure Purview.
Collaborate with architects, BI teams, and stakeholders to ensure seamless data access.
Apply DevOps (ADO, GitHub) and Agile practices for delivery.
Key skills & experience:
Strong experience with SQL Server, T-SQL, and SSIS.
Hands-on with Azure SQL, Data Factory, Synapse, and Data Lake.
Track record in data warehouse development and cloud migrations.
Proficient with Azure DevOps/GitHub.
Strong problem-solving and documentation skills.
Python for automation (desirable)
Knowledge of Microsoft Fabric & Azure Purview (desirable)
Exposure to GCP (desirable)
NHS experience (desirable)
Contract Overview
Role: Data Engineer
Duration: 3-month contract
IR35: Inside IR35
Rate: £400 - £420 per day
Location: Hybrid - Cardiff
Apply now to speak with VIQU IT in confidence. Or reach out to Suzie Stone via the VIQU IT website.
Do you know someone great? We’ll thank you with up to £1,000 if your referral is successful (terms apply).
For more exciting roles and opportunities like this, please follow us on IT Recruitment.
Backend Developer Java & Node.js/TypeScript
Randstad Technologies
London
In office
Mid
£650 - £700
RECENTLY POSTED
java
github
kubernetes
graphql
typescript
nodejs
+2
We are seeking a talented mid-Level Backend Developer with experience in both Java and Node.js/TypeScript for an exciting 6-month contract role with a global financial services client in Canary Wharf. This position offers a daily rate of £700 via an umbrella company.
The Role
You will be an integral part of our development team, with a focus on both backend development and infrastructure-related tasks. A key part of your role will be to refactor an existing codebase from Node.js to Java to align with the bank’s infrastructure strategy and address technical debt. You will also be responsible for maintaining existing scalable backend applications. This is a hands-on role where you will contribute high-quality code and robust software solutions while working with the team to meet tight deadlines.
Key responsibilities include:
Maintaining existing scalable backend applications using Java, Node.js, and TypeScript.
Migrating backend applications to Java to align with the bank’s preferred infrastructure.
Utilising Docker and Kubernetes for containerisation.
Implementing CI/CD pipelines using GitHub Actions.
Monitoring system performance and managing deployments.
Writing comprehensive unit and integration tests.
Collaborating with cross-functional teams to define, design, and ship new features.
Skills and Experience
The ideal candidate will have 5+ years of industry experience developing backend systems. While no previous banking background is required, you must have a proficient understanding and practical experience with both Java and TypeScript.
You must have:
Strong experience with Java and Node.js/TypeScript.
Expertise with Azure.
Experience with GraphQL, demonstrating an ability to design robust API endpoints.
Proven experience developing backend systems using Java & Node.js/TypeScript.
Strong knowledge of containerization technologies, specifically Docker and Kubernetes.
A solid understanding of managing GitHub and GitHub Actions for CI/CD integration.
A proven ability to write unit and integration tests as a fundamental part of the development process.
A solid understanding of SQL databases and their management.
How to Apply
If you are a talented Backend Developer with the required skills and are available for a 6-month contract, please submit your application with your resume.
Randstad Technologies is acting as an Employment Business in relation to this vacancy.
DevOps Engineer
Jonothan Bosworth
Surrey
In office
Mid
£40k - £50k
RECENTLY POSTED
terraform
aws
git
kubernetes
bash
docker
+1
Cloud DevOps Engineer Guildford £40,000 - £50,000
Are you a Cloud DevOps Engineer with strong experience in cloud database setup and administration Do you thrive in environments where you can design, build, and optimise infrastructure at scale
If the answer is yes, this could be the role for you.
The Opportunity
Our client is a fast-growing SaaS provider delivering cutting-edge communication platforms to a global customer base. With significant investment behind them and ambitious growth plans, this is an exciting time to join their expanding Cloud & DevOps team.
Based out of Guildford, you’ll play a key role in shaping, automating, and maintaining cloud database environments that underpin critical business services used by thousands daily.
What you’ll be doing
As a Cloud DevOps Engineer, you’ll be responsible for:
Designing, deploying, and administering cloud-based databases across AWS, Azure, or GCP
Automating infrastructure and database lifecycle management with tools such as Terraform or Ansible
Optimising performance, ensuring backup, recovery, and disaster recovery strategies are robust
Supporting CI/CD pipelines for database operations and cloud services
Working alongside Dev, IT, and Product teams to build scalable and automated environments
Managing upgrades, patches, and incident resolution within production systems
Driving improvements in security, compliance, and governance across multi-cloud setups
What we’re looking for
At least 4 years’ hands-on experience in DevOps or Cloud EngineeringProficiency with cloud platforms (AWS, Azure, or GCP) and database products such as RDS, DynamoDB, Cloud SQL, or Cosmos DBStrong skills with Infrastructure as Code (Terraform, CloudFormation, etc.) and containerisation (Docker, Kubernetes)A solid command of scripting languages such as Python, Bash, or PowerShellGood knowledge of both SQL and NoSQL database modelsExperience with CI/CD, Git, and configuration management tools
Nice-to-haves include cloud/database certifications, experience in security & compliance audits, and exposure to data lakes or real-time analytics.
What’s in it for you
Salary in the region of £40,000 - £50,000
The chance to join a growing technology business with huge scope for progression
A collaborative environment where your ideas will help shape the future of the platform
The opportunity to work with modern cloud technologies at scale
If you’re a proactive problem-solver who enjoys working across multi-cloud environments, and you’re excited about playing a key role in a rapidly scaling SaaS provider, we want to hear from you.
Contact Claire at Jonothan Bosworth Recruitment Specialists today to learn more.
MM_01_DO _CE
**We are committed to diversity, inclusion, and equality.**As an equal opportunities employer, we celebrate diversity and are active advocates against modern slavery. We prohibit any form of discrimination or harassment based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protect
Senior DevOps Engineer - AWS
Robert Walters
London
In office
Senior
£75k - £90k
RECENTLY POSTED
aws
react
github
git
javascript
spring-boot
+9
As part of an engineering team, you’ll use your software engineering skills and experience to build features, resolve issues, and address technical debt. You’ll also bring a strategic lens to team processes and tooling, helping improve how the team operates and ultimately delivering valuable, high-quality software to customers.
What you’ll be doing
Build clean, maintainable features and resolve end-to-end issues, ensuring solutions are fit for purpose, add business value, and meet quality standards.
Contribute to strategies for managing technical debt, ensuring systems are secure, resilient, and reliable.
Define and analyse test approaches to deliver the best possible customer experience, with a focus on security, usability, and accessibility.
Conduct and participate in code reviews, considering functional and non-functional requirements such as performance, resiliency, maintainability, and security.
Promote continuous improvement in team effectiveness and culture, supporting changes that enhance productivity and happiness.
Build a collaborative environment, coaching and mentoring less experienced engineers.
Research emerging application technologies, identify opportunities to apply them, and share learnings across the team.
Ensure all customers and stakeholders are treated fairly and with respect.
What we’re looking for
Technology-focused degree preferred, or equivalent demonstrable experience.
Extensive knowledge of:
JavaScript, TypeScript, NodeJS, AWS SDK & CDK, Python, React, HTML/CSS, Java, Spring, Terraform/CloudFormation
Hands-on experience:
Building serverless applications in AWS
Building microservices in Java (Spring Boot)
Strong understanding of clean code principles, design patterns, distributed systems, software testing, CI/CD, and Agile methodologies (Scrum/Kanban).
Knowledge of application security.
Additional desirable skills:
SQL, GraphQL, Maven
Frontend performance optimisation
API security and secure coding best practices
Git release strategies
Nice to have: Postgres, DynamoDB, Kubernetes, GitHub Actions, Feign, Quarkus.
Proven track record in:
Delivering well-optimised and maintainable software features
Analysing and solving complex technical problems
Participating in effective code reviews with actionable feedback
Technical leadership, mentoring, and influencing team strategy
Robert Walters Operations Limited is an employment business and employment agency and welcomes applications from all candidates
Data Analyst
Clearcourse
Waterlooville
In office
Mid
Private salary
RECENTLY POSTED
aws
git
jira
postgresql
mssql
java
+5
Company description:
ClearCourse
Job description:
Role description:
As a Data Analyst, you will play a vital role in driving data transformation, data extraction, and reporting across our product portfolio. Collaborating with Product Management and other stakeholders, you will gather data requirements, analyse structures, validate integrity, and ensure reliable data pipelines. Your work will also support system data integration, troubleshooting, and continuous data quality assurance.
By delivering accurate, timely, and well-structured insights through dashboards and reports, you will enable informed decision-making, improve operational efficiency, and elevate the customer experience-contributing directly to the success of our retail products.
You are also responsible for ensuring all work complies with relevant security and data protection standards, keeping user data safe and protecting our systems against vulnerabilities.
Key Accountabilities:
Contribute to the data analysis efforts to support Swan’s Products modelling and decision-making processes.
Develop and maintain complex SQL queries and scripts using PostgreSQL and OLAP database (i.e. Snowflake).
Utilise Data Visualization tools (i.e. AWS QuickSight, Power BI, JasperReports, etc) to create and manage reports, data extractions, visualisations and dashboards.
Ensure data accuracy and integrity by performing regular data validation and cleansing.
Stay updated with industry trends and best practices in data analytics and financial modelling.
You embrace the roadmap, support its evolution, and deliver to the best of your ability, with quality and speed in balance.
Proactive communication with internal teams and clients is essential. You must clearly explain technical concepts to non-technical audiences, flag risks early, and contribute to discussions on scope and timelines.
Required skills and experience:
Bachelor’s degree in Computer Science, Information Technology, or a related field.
Proficiency in SQL, with experience in MSSQL and PostgreSQL.
Experience with data visualization tools like Excel, Power BI, Tableau, or similar.
Experience with ETL tools, preferably Talend.
Basic understanding of OLAP concepts and data warehousing principles.
Familiarity with Python for data manipulation and scripting.
Strong analytical and problem-solving skills.
Experience in agile environments and working with ticketing systems (e.g., Jira).
Note: Our tech stack may vary across projects and teams. This list is a guide - we evolve our tooling to better develop and deliver our products
Developers and Analysts must also be ready to maintain and enhance legacy systems that may rely on older technologies or deprecated frameworks as part of our product portfolio.
Nice to have:
Experience with cloud platforms such as AWS, Azure, or Google Cloud.
Understanding of data governance and security best practices.
Proficiency with Git and modern development workflows (CI/CD).
Knowledge of performance tuning and scalability principles.
Knowledge of Java programming.
Required behaviours and attributes:
Maintain a mindset of improvement. Open-minded and solution oriented.
Communicate with clarity and empathy across teams, including Support, Product, Implementation and Sales.
Be open to feedback and take it positively, working to resolve disagreements in a constructive way.
Participate in technical discussions, planning meetings, and backlog grooming.
Cares about product and data quality, balances technical excellence with delivery speed.
What we offer:
25 days annual leave + your birthday off
Private medical insurance (Bupa), incl. mental health & optical cover
Health cash plan to support everyday costs
Life assurance (4x salary) & Group income protection (75% salary)
Enhanced parental leave & family wellbeing support via Peppy Health
Employee perks & discounts through Perkbox
Cycle to Work scheme
Generous pension contributions
Training budgets & reimbursement for professional qualifications
If you’re looking for a role where you can learn, grow, and make an impact from day one - apply now.
Lead Data Scientist
Hays Specialist Recruitment Limited
Guildford
Fully remote
Leader
£95k - £110k
RECENTLY POSTED
python
sql
Your new companyJoin a fast-growing software business headquartered in Guildford, specialising in cutting-edge client engagement solutions. With a strong international presence and a culture built around agility, innovation, and rapid iteration, this tech-driven organisation thrives on moving fast, learning quickly, and pivoting when needed. As they continue to scale, they’re investing heavily in data and AI to drive smarter decision-making and product innovation.Your new roleAs Lead Data Scientist, you’ll take ownership of a small but growing data team, currently consisting of two Analysts and one Data Scientist. Reporting directly to the CTO, you’ll be responsible for shaping the data science strategy, implementing scalable processes, and delivering impactful insights across the business. You’ll work hands-on with machine learning, AI, and LLMs to solve complex problems, while also mentoring your team and engaging with senior stakeholders to align data initiatives with business goals.What you’ll need to succeed
Proven experience in a senior or lead data science role
Strong hands-on skills in Python and SQL
Solid experience with Machine Learning, AI, and Large Language Models (LLMs)
Previous people management experience (ideally managing Analysts/Data Scientists)
Ability to implement and improve data science processes and workflows
Excellent stakeholder management and communication skills
Experience working in a fast-paced, agile tech environment
Must be UK-based and eligible to work without sponsorship
What you’ll get in return
Up to £110,000 base salary
Performance and company-wide bonus
Private healthcare
Pension scheme
Opportunity to shape a growing data function in a high-growth tech business
Fully remote role with occasional visits to the Guildford HQ
What you need to do nowIf you’re interested in this role, click ‘apply now’ to forward an up-to-date copy of your CV, or call us now.If this job isn’t quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.
Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C’s, Privacy Policy and Disclaimers which can be found at hays.co.uk
Junior Power Platform Developer
Crowe UK
London
In office
Junior
Private salary
RECENTLY POSTED
javascript
csharp
sql
dax
Purpose of the Role
Reporting to the Development Manager, as a Developer within Crowe’s Data & Insights team, your primary responsibility is to drive innovation and deliver robust technical solutions using the Microsoft Power Platform.
As an architect and implementer, you will transform complex business challenges into streamlined, automated processes. Your role will involve specialising in the Power Platform to develop custom applications, automate workflows, and provide actionable insights for our internal teams.
By collaborating closely with stakeholders, you will understand their unique needs and ensure that every solution aligns with Crowe’s commitment to excellence and adds tangible business value. Additionally, you will mentor junior developers, promote best practices, and research emerging features to keep Crowe at the forefront of digital transformation.
Responsibilities
Key responsibilities include, but are not limited to:
Design and implement technical solutions using the Microsoft Power Platform (Power Apps, Power Automate, Power BI, Copilot Studio)
Transform business requirements into automated, efficient processes
Collaborate with stakeholders to deliver solutions that align with business needs and add value
Collaborate with senior developers to create solutions using best practices and encourage skill development
Continuously research and integrate emerging Power Platform features to drive innovation
Behaviours & Attributes
Working with Clients
Client Relationships
You establish good rapport with (internal and external) clients, provide excellent service and are responsive and accessible, building solid relationships that allow us to better understand their needs and tailor our service accordingly.
Client Care & Adding Value
You are committed to delivering the best possible results for our clients through taking ownership of your tasks, delivering work of high standards and demonstrating an approachable and professional manner. You continually seek to improve the service you provide to your clients.
Achieving Results
Innovation
Demonstrates genuine professional curiosity and problem-solving skills. The ability to think pragmatically and commercially to suggest ways to make our work more efficient and of value to our clients.
Embracing Change
Approaches new situations with an open mind, supporting the senior team in bringing about change to improve the way we do things.
Commercial Focus
Recognises that time is a cost and adjusts behaviour accordingly.
Managing Risk
Accepts and demonstrates personal responsibility for health and safety, data protection and other compliance areas. You demonstrate the need for client confidentiality at all times.
Self-Management
Initiative
Works proactively and takes initiative. You know when to ask for help and where to find it. You use opportunities to learn from others.
Career Motivation
You are committed to your personal and professional development, taking responsibility for furthering your career within the firm through seeking opportunities to expand your knowledge and hone your skills.
Resilience & Tenacity
Accepts that challenges are part of our working lives and demonstrates an ability to remain motivated and engaged through such times.
Self-Management
You plan, prioritise and prepare in advance in order to meet deadlines and work commitments efficiently. You have an enthusiastic and positive ‘can-do’ approach. You are prepared to put in extra effort to get the job completed on deadline and to the standard required.
Technical & Quality
Technical Competence
You are able to relate technical knowledge from professional study or previous experiences to current practical work situations.
Delivering Quality
You keep up to date with what is happening in your professional area to ensure standards never slip.
Sound Professional Judgement & Decision Making
You act as an ambassador for Crowe (and your professional body) and promote ethical behaviour at all times. You maintain a high degree of professionalism in everything you do, showing resilience in challenging circumstances.
Honesty & Integrity
You take responsibility for your own actions and your own development and are truthful and honest in all your interactions with both colleagues and clients, building trust by doing what you commit to. You learn from your mistakes and take responsibility for putting them right, seeking input and guidance where necessary.
Technical Skills, Experience & Knowledge
3+ years of hands-on development with Microsoft Power Platform
Hands-on experience developing solutions with Microsoft Power Platform (Power Apps, Power Automate, Power BI, and Copilot Studio)
Proven ability to design, build, and deploy canvas and model-driven Power Apps
Expertise in creating and optimizing automated business processes with Power Automate (including RPA and cloud flows)
Skills in data modelling and integration using Data verse, SharePoint, SQL, and Azure services
Knowledge of custom connectors, APIs, and integrating Power Platform with external systems
Proficiency in DAX, Power Query, and delivering advanced business intelligence dashboards in Power BI
Experience of or ability to write and debug Power Fx, JavaScript, and C# for custom components and plug-ins
Skilled in requirements gathering, solution architecture, and technical documentation
Understanding of Agile delivery methodologies and DevOps practices for Power Platform solutions
Relevant certifications such as Microsoft Certified: Power Platform Developer Associate or Solution Architect (desirable)
Required Skills & Qualifications
Bachelor’s degree in computer science, Information Technology, or a related field is desirable
Microsoft Certified: Power Platform Fundamentals (PL-900) - Recommended starting point
Microsoft Certified: Power Platform Developer Associate (PL-400) - Core certification for developers
IT Infrastructure Engineer
Consortium Professional Recruitment
Hessle
In office
Mid
Private salary
RECENTLY POSTED
linux
windows
aws
window-server
sql
vmware-vsphere
IT Infrastructure EngineerHull*£50,000 - £55,000 + Benefits +* Superb Training + Long-Term DevelopmentAre you an IT Infrastructure Engineer who thrives in fast-paced environments? If you’re used to balancing hands-on technical work with cross-functional collaboration and long-term planning, this could be the step you’ve been waiting for.As IT Infrastructure Engineer, you’ll play a key role in shaping and delivering infrastructure projects and support across a large UK division. From strategic input to boots-on-the-ground implementation, your work will help maintain availability, drive improvement, and build resilient, secure systems - all within a collaborative, growth-focused team.This is an on-site role, based at the Hull HQ, where visibility, team cohesion, and stakeholder alignment are key.**What You’ll Be Doing:**In this position, you’ll combine project delivery, technical oversight, and third-line support to ensure the infrastructure environment supports both operational needs and future growth. You’ll:
Support the development and delivery of the IT infrastructure strategy
Act as a technical escalation point for the UK Service Desk, providing tier 3 support when required
Take ownership of infrastructure projects, from scoping and implementation through to delivery and documentation
Contribute to systems availability, resilience, and security across a diverse, multi-site environment
Design and implement solutions across Microsoft server technologies, Active Directory, M365, and SQL environments
Collaborate with business units and partners to deliver technical solutions that align with evolving needs
Ensure documentation, processes, and support models are kept up to date and clearly communicated
Share knowledge effectively with other team members and drive a unified, “one team” approach
Engage with the wider IT team and internal stakeholders to embed best practice and improve service delivery
**What You’ll Need:**We’re looking for a pragmatic, proactive engineer who can operate at both technical and strategic levels. You’ll bring:
5+ years’ experience in IT support or infrastructure delivery roles, ideally at 2nd/3rd line level in a business with 1,000+ users
Deep understanding of core Microsoft technologies (Windows Server, Active Directory, M365, SQL)
Experience designing and delivering infrastructure solutions in complex environments
Good working knowledge of networking (Layer 3), firewalls, and security best practices
Familiarity with cloud-based infrastructure, particularly Azure and M365
Clear, confident communication skills - able to translate complex issues and engage technical and non-technical audiences
Proven ability to deliver projects on time and to spec, while managing multiple priorities
Nice to Have
VMware vSphere and SAN Storage Management
Exposure to Linux , web domains, and SSL certificate management
Broader cloud experience (e.g. AWS, GCP)
Understanding of factory/industrial IT environments, ideally with familiarity with .NET/VB programming and OT systems
**Why Join?**This is a great role in a growing team where infrastructure is seen as a strategic enabler - not just a support function. You’ll report directly into the Head of IT Infrastructure and be trusted to influence how infrastructure evolves in step with business change as well as given the backing to deliver!You’ll also benefit from:
A permanent, full-time position in a well-backed business that invests in its tech
25 days annual leave + public holidays
Enhanced contributory pension, state-of-the-art laptop & smartphone
Ongoing investment in training, certifications, and industry events
Supportive culture that encourages innovation, collaboration, and knowledge sharing
This opportunity is being exclusively managed on behalf of our client by Consortium. All applications will be treated in strict confidence. Feel free to reach out for an informal chat to learn more. Consortium Professional Recruitment Ltd are a professional level recruitment consultancy specialising in the delivery of high relevance recruitment services on behalf of our clients across the UK. We regularly receive large responses to our advertising which can make providing individual feedback to every applicant challenging. If you haven’t received a reply from us within 14 days of your application, we regret to say your application has been unsuccessful on this occasion. We have a policy of retaining your details for future vacancies unless you request otherwise. To learn more about our services, please visit

Frequently asked questions

What types of SQL jobs can I find on Haystack?
Haystack features a wide range of SQL-related roles including SQL Developer, Database Administrator, Data Analyst, Business Intelligence Developer, and SQL Engineer positions across various industries.
Do I need advanced SQL skills to apply for jobs listed here?
While many jobs require strong SQL knowledge, some positions are suitable for beginners or those with intermediate skills. Job descriptions specify the required proficiency so you can find roles that match your experience.
Can I find remote SQL job opportunities on Haystack?
Yes, Haystack offers both remote and on-site SQL job listings. You can filter your job search to find remote SQL roles that fit your preferences.
Are SQL certification or degrees required for most jobs?
Requirements vary by employer. Some positions may prefer candidates with certifications like Microsoft SQL Server or Oracle DBA, while others focus more on practical experience and problem-solving skills.
How do I improve my chances of getting hired for SQL jobs?
To increase your chances, build a strong portfolio of SQL projects, stay updated with the latest database technologies, consider obtaining relevant certifications, and tailor your resume to highlight your SQL expertise.