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Looking for top PostgreSQL jobs? Haystack connects skilled database professionals with leading companies hiring for PostgreSQL developer, DBA, and data engineer roles. Explore the latest PostgreSQL job openings and advance your IT career with remote, full-time, and contract opportunities tailored to your expertise. Start your PostgreSQL job search today!

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Back End Developer - DV Cleared - Hybrid - Various Locations

Back End Developer - Must have an Active DV Clearance - Hybrid Location: Bristol, London, Manchester or Cambridge Salary: £70,000 - £120,000 (depending on experience)We are seeking a skilled and motivated Back End Developer to support the digital transformation of Defence services. If you’re passionate about solving complex technical challenges and building scalable, secure platforms in mission-critical environments, this is an excellent opportunity to make a real impact.You’ll work with cross-functional teams including Front End developers, UX specialists, architects and stakeholders, building the infrastructure and services behind modern, cloud-native applications.What you’ll be doing:

Developing end-to-end features as part of an agile, collaborative team

Building and deploying cloud-native, containerised applications using technologies such as AWS Lambda, Spring Boot, NodeJS, Python FastAPI, Oracle, PostgreSQL and MongoDB

Contributing to DevSecOps delivery pipelines, using tooling such as Atlassian, Jenkins, GitLab, OWASP and AWS services

Applying Site Reliability Engineering principles to ensure solutions are resilient, reliable and cost-effective

Supporting clients and end users in making technical product decisions by clearly explaining trade-offs and recommended approaches

Participating in a community of engineers who share knowledge, run workshops and contribute to the wider engineering culture

Looking beyond day-to-day responsibilities to identify small details, opportunities for improvement and added value for clients

What we’re looking for:

UK Developed Vetting (DV) clearance is essential

Hands-on experience in software development and a strong interest in writing quality code

Solid understanding of Back End development using one or more of the following: Java, Python, TypeScript or JavaScript

Familiarity with good engineering patterns and practices, and the ability to articulate them clearly

Experience working in agile environments (Scrum, Kanban or similar)

Enthusiastic about learning, collaborating with diverse teams and solving problems creatively

Confident communicator who enjoys working with others and brings out the best in people

PostgreSQL DBA - SC Cleared

SC Clearance is essential for this role - please only apply if you have active clearance.SC Cleared PostgreSQL DBA Required for long-term project with a high profile public sector client in LondonPredominantly remote role (1 day per month in London)£500 - £525 / day (Umbrella rate - Inside IR35)Duties:

Database Design & Optimisation: Ensure efficient schema design, indexing strategies, and query optimisation to support programme performance and scalability.

Security & Compliance: Implement robust access controls, encryption, and auditing to meet security standards and compliance requirements.

Backup & Recovery: Develop and maintain automated backup routines and disaster recovery plans to guarantee data integrity and availability.

Performance Monitoring: Use PostgreSQL tools and monitoring solutions to proactively identify and resolve bottlenecks.

Patch Management & Upgrades: Ensure managed AWS Postgres instances are at an appropriate patched version

Apply now for immediate consideration

Informatica MDM/C360 Engineer

Unitech Consultancy Services Ltd

We are seeking a skilled Informatica MDM/Customer 360 (C360) Engineer with experience in AWS, Unix/Linux, and modern job orchestration tools (Airflow preferred). The ideal candidate will design, build, enhance, and support our enterprise master data solutions in a cloud-driven, distributed environment.Responsibilities Informatica MDM/Customer 360

Design, configure, and implement Informatica MDM/C360 modules, including Data Model, Match/Merge, Data Quality, Hierarchy Manager, and IDD.

Develop and optimize SIF APIs, BDD, and Real Time integration services.

Work with business stakeholders to gather requirements, design MDM solution architectures, and ensure high data quality across systems.

Configure and manage C360 SaaS environments (if applicable).

Monitor and tune MDM performance, batch jobs, and match/merge rules.

Data Integration & Cloud (AWS)

Build and maintain data pipelines integrating MDM with source/target systems on AWS.

Work with AWS services such as:

EC2, S3, RDS/Redshift, Lambda, Glue, CloudWatch, Step Functions

(customize based on your environment)

Implement CI/CD pipelines for MDM deployments using CodePipeline, Git, or similar.

Unix/Linux Engineering

Create and maintain Unix Shell Scripts for automation, job execution, and MDM environment maintenance.

Troubleshoot production issues across Unix, network, and application layers.

Job Orchestration (Airflow or equivalent)

Design, manage, and monitor Airflow DAGs for MDM batch and workflow automation.

Integrate MDM jobs (batch, cleanse, load, match/merge) into enterprise job orchestration.

Optimize scheduling, retries, alerting, and dependencies.

Support & Governance

Manage production support, root cause analysis, and on-call rotation (if required).

Ensure data governance, stewardship processes, and compliance standards.

Maintain strong documentation across architecture, deployments, and data flows.

Required Qualifications

5+ years of experience with Informatica MDM (10.x+), IDD, and Customer 360.

Strong expertise in AWS cloud services and cloud-based data integration patterns.

Solid experience with Unix/Linux administration and Shell Scripting.

Hands-on experience with Airflow, Control-M, Autosys, or similar orchestration tools.

Proficiency in SQL (Oracle, PostgreSQL, SQL Server, or similar).

Experience in API integrations (REST/SOAP), messaging systems, or event-driven architectures.

Strong troubleshooting skills across application, data, and network layers.

Familiarity with Informatica Data Quality (IDQ) or Data Governance tools.

Soft Skills

Strong problem-solving and analytical mindset.

Excellent communication and documentation skills.

Ability to collaborate with cross-functional teams (business, data, engineering).

Self-starter with ability to work independently and manage competing priorities.

Lead Engineer with a strong data engineering skills (ETL pipeline creation, data warehousing, data visualization etc) and a solid understanding of Database Architecture & Modelling is sought by a high growth PE backed scale up based in Birmingham.With recent investment driving global expansion this Lead Engineer will play a crucial role in driving innovation across data, product & cloud engineering affording this Lead Engineer unparalleled level of autonomy to shape the technical output of this market leading organisation.As the business scales and adds additional functionality this Lead Engineer will work closely with department heads to develop a technical roadmap stepping up into a senior technical leadership role in the near future offering excellent progression.This role would suit a Lead Engineer who has been responsible for owning business success from their technical work who is looking for more autonomy, a dynamic fast paced working environment and a clear progression pathway.This company support real commitment to a healthy work life balance with hybrid, flexible working alongside a collaborative, autonomous team culture.This Lead Engineer should have most of the following key skills

Strong Data engineering skills including ETL pipeline creation, data warehousing and visualization

Strong database architecture understanding - PostgreSQL, MongoDB, MS SQL

Event sourcing/ messaging - Kafka, CQRS etc

Experience working in a high growth, product focussed business within small cross functional engineering teams

Solid cloud provisioning - GCP, Azure, AWS etc

A good appreciation of software engineering best practice

Understanding of serverless, microservices or event sourced architectures would be a plus

A passion for AI innovation would be really useful

Any team mentorship would be a plus

In return this Lead Engineer will receive

Starting salary of up to £90,000

Bonus scheme

Long term remote working

Great progression opportunities

25 days annual leave plus bank holidays

Private healthcare

Regular salary reviews

A well-structured training scheme with external certifications

So if you are a Lead Engineer who is looking to play a lead role in shaping the technical output of a successful, scaling organisation please apply now to be considered and for further info.Lead Developer ETL, data warehousing, MongoDB, SQL, Kafka, event messaging, software engineering

Flutter Engineer

AJ Bell Business Solutions Limited

The Touch team is developing a next generation investment platform. We want to use technology to improve the way consumers access financial advice and manage their investments.The majority of existing platforms are still reliant on software and processes that arent capable of supporting todays technology, so we started from scratch, developing a modern platform that is as efficient as possible. We’re building a mobile first investment app that lets advisers manage their clients’ investments entirely through their Smartphone.The day to day responsibilities

Engage in the full software development lifecycle: requirements gathering with stakeholders, working as a team to build and test features, managing deployment and supporting the service in production.

Work as part of a distributed team made up of self-motivated and collaborative individuals.

Iteratively make improvements to a new product while aligning to our mutually agreed design and architectural principles.

Always looking for ways we can improve our product, processes and practices. We dont like friction and waste.

Automated testing, continuous integration and continuous deployment. We are huge proponents of automation.

Working outside of your specialism when needed. While all our team members have a specialism, we dont let that restrain us. Our engineers jump in to help get things done even in technologies out of their core competency.

Your skills and attributes

Excellent programming and problem solving skills

Understanding of relevant software design patterns and paradigms, such as OOAD, DDD, MVC, microservices, containers/orchestration or event-driven architecture

Experience in creating performant, scalable, secure and well tested code.

You take ownership of tasks and problems, clearing roadblocks and pulling in other people to help when needed.

Experience working with Investment or Pensions platforms would be an advantage

Our tools and technologiesThe below are all things that we are either currently using or have found to be a useful foundation when joining our team. Prior knowledge of them is not essential but would be beneficial to the role:

Flutter (including Dart) - we can provide training to experienced native iOS or Android engineers who havent used Flutter before.

Firebase, Riverpod with Hooks, Provider, Deeplinking

gRPC/proto

PostgreSQL

Docker

Other technologies we use include:

TypeScript and Vue

About AJ BellAJ Bell is one of the fastest-growing investment platform businesses in the UK offering an award-winning range of solutions that caters for everyone, from professional financial advisers to DIY investors with little to no experience. We have over 644,000 customers using our award-winning platform propositions to manage assets totalling more than £103.3 billion. Our customers trust us with their investments, and by continuously striving to make investing easier, we aim to help even more people take control of their financial futures.Having listed on the Main Market of the London Stock Exchange in December 2018, AJ Bell is now a FTSE 250 company.Headquartered in Manchester with offices in central London and Bristol, we now have over 1,500 employees and have been named one of the UK’s 'Best 100 Companies to Work For forsix consecutive yearsand in 2024 named a Great Place to Work.At AJ Bell you can expect a friendly working environment with a strong sense of teamwork, we have a great sense of pride in what we do, and this is reflected in our guiding principles.What we offer

Competitive starting salary

Starting holiday entitlement of 25, increasing up to 31 days with length of service and a holiday buy and sell scheme

A choice of pension schemes with matched contributions

Discretionary bonus scheme

Annual free share awards scheme

Buy As You Earn (BAYE) Scheme

Health Cash Plan provided by Simply Health

Discounted private healthcare scheme and dental plan

Free gym membership

Employee Assistance Programme

Bike loan scheme

Sick pay+ pledge

Enhanced maternity, paternity, and shared parental leave

Loans for travel season tickets

Death in service scheme

Paid time off for volunteer work

Charitable giving opportunities through salary sacrifice

Calendar of social events, including monthly payday drinks, annual Christmas party, summer party and much more

Personal development programmes built around you and your career goals, including access to personal skills workshops

Monthly leadership breakfasts and lunches

Casual dress code

Access to a range of benefits from our sponsorship deals

Hybrid workingAt AJ Bell, our people are the heart of our culture. We believe in building strong connections by working together. That’s why we offer a hybrid working model, where youll spend a minimum of 50% of your working time per month in the office, including one day a month in our Bristol office. For new team members, an initial period will be full-time in the office to help you immerse yourself in our business and build valuable relationships with your colleagues.AJ Bell is committed to providing an environment of mutual respect where equal employment opportunities are available to all applicants and all employees are empowered to bring their whole self to work.We do not discriminate on the basis of race, sex, gender identity, sexual orientation, age, pregnancy, religion, physical and mental disability, marital status and any other characteristics protected by the Equality Act 2010. All decisions to hire are based on qualifications, merit and business need.If you like the sound of the above, or just want to know more about the company and the role, we’d love to speak to you.

IT Technician

Consortium Professional Recruitment

IT Support Technician Location: Hull Salary: £25,000 - £30,000Are you an experienced IT Support professional looking for a varied and hands-on role within a busy, fast-moving business?Were working in partnership with a growing company operating across multiple sites, to recruit an IT Support Technicianto join their close-knit technical team.This is a highly user-facing position where no two days are the same. Youll be the go-to person for colleagues across the business supporting everything from day-to-day troubleshooting to assisting with exciting new IT and data projects.What youll be doing:

Acting as the first point of contact for IT support across three sites and remote users

Troubleshooting hardware, software, and network issues

Installing, configuring, and maintaining IT systems including servers, networks, and desktop devices

Managing Active Directory, DNS, DHCP, O365, SharePoint, and Exchange users

Overseeing data backups, system security, and patch management

Supporting data reporting and analytics using tools like PostgreSQL, HFSQL, and MSSQL

Getting involved in new IT projects such as e-commerce and data analytics developments

What were looking for:

Proven experience supporting end users in a multi-site IT environment

Strong problem-solving and organisational skills

Confident communicator with a customer-focused mindset

Familiarity with tools such as ticketing systems, MS Active Directory, and MS Server

A proactive approach and willingness to learn new technologies

Desirable but not essential:

Exposure to Power BI, Docuware, or Merlin ERP

Basic coding knowledge or scripting experience

Why youll love it here: Youll be joining a supportive team where your ideas are valued and your work genuinely makes a difference. The role offers plenty of variety, autonomy, and opportunities to develop your technical skillset in a collaborative, people-focused environment.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 havent 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 consortiumrecruitment.co.uk

.NET Developer

Syntax Consultancy Limited

Leeds (Hybrid)Permanent£60,000 (DOE).Net Developer needed with strong .Net Core and AWS Serverless experience for a permanent career opportunity based in Leeds (Hybrid).Hybrid Working - 3 days/week remote (WFH), and 2 days/week working on-site in the Leeds office. Start ideally Dec 2025 / Jan 2026.A chance to work with a leading global IT transformation business specialising in large-scale Government projects.Key experience, responsibilities + tasks:

.NET Core Developer with expertise in building Cloud-native applications.

Strong hands-on back-end development using .NET Core, AWS serverless architecture + DevOps pipelines.

Strong experience in .NET Core, ASP.NET Core (Web APIs, microservices).

Building + optimizing .NET Core microservices and RESTful APIs.

Developing + maintaining scalable serverless applications using AWS services such as: AWS Lambda, API Gateway, DynamoDB, S3, Step Functions, EventBridge, SNS/SQS, AppSync.

Expertise in AWS serverless services (Lambda, API Gateway, S3, DynamoDB), DevOps practices + CI/CD pipelines.

Front-end development frameworks such as React or Blazor is an advantage.

Implement and manage CI/CD pipelines using Azure DevOps, or GitHub Actions.

Ensuring application security, monitoring, logging using AWS CloudWatch + IAM best practices.

Technical Environment: Git, Docker, Containerization, automated deployment, Databases (SQL/NoSQL, PostgreSQL, DynamoDB), Infrastructure as Code (IaC), AWS CDK, Terraform, CloudFormation.

Benefits: Salary to £60k (DOE) + Hybrid Work + Bonus + Pension + 22 days holiday plus BHs (rising to 25 days) + Death in Service + Health Care Plan + More.

x3 Founding FS Engineer (Python, NextJS, TypeScript) ‍ (AI/LLMs) Salary up to £120k + Equity London - 2/3 days a weekCan sponsor candidates already in the UK ✅Opportunity to join a VC backed startup, building the future of LegalTech. ‍⚖️With operations based in both the UK&US and partnerships with the biggest Law firms. Working with LLMs to automate workflows and creating agents to handle complex legal processes.What you’ll do

Contribute to the entire stack, from cloud infrastructure to prompting to UX (Python backend, Next.js with TypeScript frontend, PostgreSQL, SOTA LLMs. Deployed to Azure via IaC (Bicep) with CI/CD pipelines powered by GitHub Actions)

Collaborate closely with users to understand how lawyers work and what they need

Architect and scale document ingestion and processing pipelines to power fast, accurate search and data extraction for large volumes of legal documents

Develop intelligent, multi-step agent workflows that can autonomously handle complex legal tasks - from surfacing key testimony across depositions to generating fact chronologies and auto-detecting inconsistencies in opposing counsel’s filings

This is for you if …

You’re driven, self-directed and exceptionally capable

You’re obsessed with building outstanding products for demanding users

You’re excited to work on hard problems, take ownership and push things through

You have high agency and a bias for shipping

This is a Founding Engineer position, so high agency and ability to work with autonomy is required.Interview slots available immediately.

Lead Full Stack Engineer

PermanentLocation: UK, RemoteSalary: up to £90,000Industry: EdTechAbout the ClientOur client is an innovative education-technology company transforming how international students enrol at UK universities. Their flagship platform automates the entire offer-to-arrival process, covering CAS, visa applications, documentation, accommodation, and communication - empowering universities, agents, and students with seamless, self-service workflows. Widely adopted in higher education, the system streamlines compliance, enhances conversion, and improves the overall student experience.How youll spend your dayAs a Full Stack Lead Engineer, you will be responsible for leading the design, development, and maintenance of scalable, high-performance applications across both frontend and backend systems. You will collaborate closely with product managers, designers, and other engineers to deliver features that create exceptional user experiences.This is a hands-on role with leadership responsibilities, ideal for someone who thrives in a fast-paced environment and enjoys solving complex technical challenges. Youll also be expected to actively explore, evaluate, and adopt the latest Generative AI tools and practices to enhance productivity, streamline workflows, and accelerate development across the engineering team.

Lead full stack development using ReactJS, TypeScript, Node.js, and related technologies.

Architect and implement robust, scalable, and secure APIs and web applications.

Collaborate with product, design, and other teams to understand requirements and translate them into technical solutions.

Provide technical leadership and mentorship to other engineers.

Own and maintain key features across both frontend and backend layers.

Drive and enforce coding standards, best practices, and documentation.

Identify and resolve complex performance, scalability, and reliability challenges.

Contribute to DevOps processes (CI/CD, monitoring, infrastructure) and help optimize development pipelines.

Participate in architecture discussions and influence the future direction of the platform.

Investigate and adopt new technologies (e.g. WASM, serverless patterns) to continually improve the platform.

What youll bring to this role

6+ years of professional experience in software development with a strong background in both frontend and backend.

Deep expertise in TypeScript, ReactJS, Node.js, and RESTful API development.

Experience with microservices, event-driven architecture, and cloud-native development.

Strong understanding of SQL and NoSQL databases (PostgreSQL, DynamoDB, Redis).

Proficient in AWS cloud services especially Lambda, SQS, S3, Cognito, API Gateway, EventBridge, etc.

Hands-on experience with DevOps practices (CI/CD pipelines, Docker, GitHub Actions).

Familiarity with frontend tooling such as Vite, ESLint, CSS-in-JS, and testing frameworks like Jest or Cypress.

Excellent communication and collaboration skills.

Strong leadership skills and the ability to guide teams through technical decisions.

A passion for quality, performance, and security.

Highly Desirable:

Experience with server-side rendering frameworks like Next.js or Remix.

Familiarity with AWS CDK or Infrastructure as Code practices.

Interest or experience in WASM or other emerging frontend optimization technologies.

Prior experience mentoring teams or leading cross-functional projects.

What happens next?One of our Recruitment Consultants will be in touch and inform you if youve been successful to the next stage of the process or not, which is a qualification call where we will tell you more about the role and the client, and understand more about you, your experience and career aspirations.Should we both wish to proceed, we will submit your details to the client and be in touch regarding the outcome and any further steps.The interview process for this client consists of:

Stage 1 2 hour remote technical interview

Stage 2 30minute final stage conversation

Equal OpportunitiesWe are committed to providing equal opportunities for all candidates and welcome applications from individuals regardless of age, disability, gender identity, marital status, race, religion or belief, sexual orientation, or any other characteristic protected by law. As an employment agency for permanent and contract hires, we are dedicated to promoting a diverse and inclusive workforce, and we encourage applications from underrepresented groups to drive innovation and equality within the workplace.Should you require any reasonable adjustments please let us know so we can accommodate for any interactions with us at Biometric Talent, but also inform the client to ensure reasonable adjustments are made to allow for a fair and equitable process.

Lead Platform Engineer

Lead Platform Engineer Hybrid £80-90k IaC, AWS, Cloud, Linux, Kubernetes, Python, Go, TypeScript, Terraform, Ansible, Git, PostgreSQL, MongoDB, Internet TechThis exciting and established client is looking to add a L****ead Platform Engineerto their development team . The successful candidate will have proven experience in a similar role, with extensive hands-on expertise in Infrastructure as Code (IaC) for managing networks and systems. You will have a track record of enhancing deployment practices, strengthening infrastructure capabilities, and improving operational resilience. This role also includes line-management responsibilities.Core skills required:

Excellent experience with IaC in a multi-region cloud environment using Terraform, Ansible or OpenTofu

Strong experience with Linux-based operating systems

Proficiency in at least one coding language such as Go, Python or TypeScript

Solid experience with data storage systems including PostgreSQL, MongoDB, Elasticsearch and Redis

Experience running a data-warehousing solution and a customer data platform

Hands-on knowledge of core internet technologies (TCP, HTTP, DNS, etc.)

Experience managing a small team

Experience with AWS is desirable

This is an excellent opportunity for a Head of Platform looking for an organisation that will support them in reaching their full potential through training, development opportunities and the chance to demonstrate excellent leadership. You will play a key role in ensuring the organisations digital infrastructure remains robust, scalable and resilient. They offer fantastic benefits including bonus, pension, life insurance, share options, flexible working and more.IaC, AWS, Cloud, Linux, Kubernetes, Python, Go, TypeScript, Terraform, Ansible, Git, PostgreSQL, MongoDB, Internet TechSend your CV to Alex If you have not heard back from us within 5 working days, please assume that your application has been unsuccessful on this occasion. Your profile may be considered for other suitable vacancies that arise within the next 12 weeks.Erin Associates welcomes applications from people of all ethnicities, genders, sexual orientations, and disabilities. Please inform us if you require any reasonable adjustments at any stage of the application process.Erin Associates Ltd is acting as an Employment Agency in relation to this vacancy.

Senior Software Engineer

Senior Software Engineer - Fintech Scale-upLocation: Leeds, Hybridc£90,000 + Bonus + share optionsFruition Group are working with an exciting fintech scale-up that’s transforming the way people manage their savings. The company provides a digital platform that connects savers with a wide range of competitive cash savings products, while also powering the back-end for financial institutions like wealth managers, banks, and advisors.They’re FCA-regulated and already working with major enterprise clients-this isn’t a start-up running on fumes. It’s a well-funded, high-growth business with a strong technical foundation and real traction in the market.Due to continued growth and increasing demand for their platform, they’re now looking for multiple Senior Backend Engineers to join their small but highly capable engineering team.The Role:This isn’t a typical feature-factory role. You’ll be joining a business that values clean, scalable architecture, and where engineers are empowered to make decisions, shape technical direction, and build systems that solve real problems.It’s an ideal opportunity for someone who enjoys building backend services in a product-focused environment and wants to have a genuine impact as the platform scales.Tech Snapshot:Java (with Micronaut or Spring Boot)PostgreSQLEvent-driven & service-oriented architectureInfrastructure: Docker, KubernetesCloud: AWSSome frontend exposure (React) is useful but not essentialModern DevOps practices and toolsWhy It’s a Great Opportunity:

You’ll be part of a mission-led company making a real difference to how people manage and grow their savings

Early opportunity in a business with serious growth potential

Hybrid working (3 days p/w in Leeds or London offices) with a strong and collaborative team culture

Equity options and room to grow with the company

Clear technical leadership, a modern stack, and freedom to innovate

If you’re a senior Java engineer looking to join a genuinely exciting fintech at a key growth stage-and you want your work to matter-this could be the right move for you.Apply now, or contact for more informationWe are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation or age.

Java Developer

Hyperloop Recruitment

Senior Java Developer £65,000 (DOE) North Wales (hybrid)Hyperloop Recruitment are working with a fast-growth tech firm based in North Wales, looking to bring a Senior Java Developer into their team.Working in a team of specialists, the successful candidate will be responsible for creating new solutions to business problems, creating new products whilst helping build and support our clients’ core software and services.The role would suit a talented Java Developer with at least 5 years’ commercial experience working with AWS and Java-based technologies, looking for an exciting new challenge. You will have broad fundamental knowledge across multiple domains and have the ability to adapt to new technologies if required.Tech stack:

Java 8+

Spring Boot

AWS

Database technologies (PostgreSQL, Redis, Elastic Search)

It would be a bonus if you’ve worked with any of the following:

The role is paying up to £65,000 (DOE) plus benefits and will be a hybrid working model of 2 days p/w in the office (location upon request). To apply, click here!

Senior Software Engineer

Do you want to be a valued part of the critical infrastructure that serves communities across Europe and beyond? Are you looking for a position in which you can set direction and help shape our company? If so, then you could be the newest addition to our team as a Senior Software Engineer. Be part of the movement - and play your part. About the role In this role, you’ll play a key part in designing, building, and delivering scalable software solutions across a modern technology stack. You’ll collaborate closely with a cross-functional Agile SCRUM team, contribute to architectural decisions, and ensure high-quality engineering practices are upheld. Alongside development work, you’ll support critical systems, maintain deployment pipelines, and help drive best practices across the team. You will be responsible for Developing, enhancing, and deploying software solutions using C#.NET, AWS, Kafka, Docker, OpenTelemetry, and RDS databases (MSSQL, PostgreSQL, MySQL). Maintaining and optimising CI/CD pipelines within Azure DevOps to ensure efficient and reliable software delivery. Managing and updating Infrastructure as Code using Terraform and Terragrunt, supporting consistent and scalable environments. Contributing to architectural discussions, providing technical input and aligning solutions with system-wide design principles. Mentoring team members through code reviews, knowledge sharing, and adherence to coding standards and performance expectations. About you You’re an experienced software engineer with a solid academic foundation in Computer Science or an equivalent blend of qualifications and hands-on expertise. With 6+ years of professional engineering experience, you’re confident working across modern architectures, event-driven systems, and cloud-native environments. You communicate complex technical concepts with clarity and adapt your message to suit any audience, whether collaborating across multiple teams or influencing key technical decisions. You have a deep understanding of software engineering principles—OOP, DDD, and proven design patterns—and bring practical experience with C#.NET, OpenTelemetry, Kafka, Grafana, and containerised workloads. You’re comfortable working with both SQL and NoSQL databases and have hands-on experience with AWS cloud services. You’re also well-versed in developer operational processes such as CI/CD, Infrastructure as Code, and version control, and you thrive in dynamic, event-driven domains where scalability, reliability, and quality matter. We think the strongest teams are built on diversity and inclusivity. Contrasting opinions, varied skills and strong characters bring out the best in us all. And we cannot wait for you to join. Working at DFDS Join the movement and grow with us. Now about what we can give you. You’ll be able to access some fantastic benefits such as: Life assurance cover Contributory company pension scheme Holiday Purchase Scheme Free ferry travel for up to 4 guests between Dover and Calais / Newcastle and Amsterdam with no limit on trips Full employee assistance programme including: Proactive financial, emotional, mental, and physical health care support including face to face counselling, fast 24/7 access to a GP, a second medical opinion and legal support for colleagues and their family. Huge range of retail discounts from high street and online retailers Cashback on health care including dental, optical, physiotherapy, prescriptions, specialist consultations and much more. Access to myStrength, our Wellbeing platform, which has plenty of content to support and improve your mental wellness needs. Access to mental health first aid and opportunity to join support webinars with a focus on all areas of positive wellbeing. While you’re with us, we want you to develop. At DFDS, we believe that development happens first and foremost through activities in the workplace. We will also offer training courses that can support you in your role, if needed. Are we a match? Then what are you waiting for? Apply Now. If you think your personality, skills, experience, and desire match this role, we’d love to hear from you. Please send us your CV as soon as possible, as we’re keen to meet potential candidates on an ongoing basis. We look forward to hearing from you

Database Architect

Infoplus Technologies UK Ltd

Role : Database Architect

Rate range: GBP 550-600/day Inside IR35

Work mode: Hybrid, Office location will be Bishopsgate, London

Contract duration: 6 months

Location: London

*There might be a need for a F2F interview in Infosys office, Canary Wharf

Proven experience in PostgreSQL database administration

Minimum experience should be 14 years.

Strong knowledge of performance tuning, query optimization, and replication.

Experience with backup and recovery strategies.

Familiarity with cloud-based PostgreSQL deployments (AWS).

Ability to collaborate effectively with cross-functional teams.

Good to have knowledge of CDC tools like Precisely, zDIH etc.

Capability to implement CDC in both directions (Postgres ?? DB2 and vice versa).

Good to have (NOT a must) BluAge certification/knowledge and supported any migration using BluAge Transformation

Minimum experience:14 years with recommended 5 years of experience of DB2 to Postgres migration

Location: London 2x a weekContract: 3 monthsRate: Competitive market rate, Outside IR35This is an excellent opportunity for an experienced ColdFusion Developer to join a leading global business that support major brands. ColdFusion Developer Responsibilities

Develop, maintain, and optimise ColdFusion/CFML applications across customer-facing and internal platforms.

Build and consume RESTful APIs to integrate with new services and modern architecture components.

Collaborate with product, engineering, and QA teams to deliver secure, scalable solutions.

Support the migration and refactoring of legacy ColdFusion code to modern development standards.

Troubleshoot performance issues, implement fixes, and ensure best practices in coding and testing.

Contribute to documentation, code reviews, and continuous improvement initiatives.

ColdFusion Developer Requirements

Strong commercial experience with ColdFusion/CFML (Adobe ColdFusion or Lucee).

Proficient in SQL and relational databases such as MySQL, PostgreSQL, or SQL Server.

Solid understanding of REST API development, integrations, and modern application architecture.

Familiarity with JavaScript frameworks (e.g., Vue.js, React) and front-end best practices.

Experience with Git, CI/CD pipelines, and automated deployment workflows.

Exposure to cloud platforms (AWS preferred) and containerisation (Docker/Kubernetes) is beneficial.

Strong debugging skills and the ability to work independently in a fast-paced environment.

If this role sounds of interest - apply today!We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation or age

Robotics Software Design Engineer - C++/PostgreSQL

Robotics Software Design Engineer - C++/ PostgreSQLAre you an experienced Software Engineer with a strong background in C++ development and data systems for robotics? Are you based in the Cambridge area, or keen to join one of the UK’s leading hubs for robotics and technology innovation?If so, our client an innovative “tech for good” start-up - is actively hiring for a position based in Cambridge, UK, supporting operations across their UK and EU functions.The Robotics Software Design Engineer - C++/Postgres, based in Cambridge, will be responsible for:

Developing and optimising C++ code to acquire, report, and aggregate data in real time on constrained robotics hardware platforms

Taking full ownership of the data pipeline from robot to cloud PostgreSQL databases

Defining and implementing strategies for data ingestion and analysis including how, when, and where data is stored and transferred

Designing and maintaining the cloud interface for robotic data system

Collaborating with robotics, electronics, and software teams in an Agile environment

To apply for this Robotics Software Design Engineer - C++/ PostgreSQL you should have:

A degree or master’s in Software Engineering, Computer Science, Robotics, or a related field

Proven experience developing in modern C++ (C+ or later)

Strong PostgreSQL experience, including database design, optimisation, and cloud integration

Solid Linux experience (essential)

Experience with ROS1 and/or ROS2 (Robot Operating System) is highly desirable

This role offers a competitive salary and benefits package. You will join a pioneering technology company with excellent career growth opportunities and profit share options.To apply for this Robotics Software Design Engineer - C++/Postgres role, please send your CV to (url removed) Or call (phone number removed) / (phone number removed)

Job Title: Back-End DeveloperLocation: Warwick, once per month onsiteRemuneration: Daily rate up to 500Contract Details: Fixed Term Contract, 12 months, Full TimeResponsibilities:

Lead the back-end development of a cutting-edge website using Drupal/Acquia Site Studio, ensuring top-notch standards.

Design and implement server-side logic, APIs, and database structures to enhance functionality and performance.

Collaborate closely with front-end developers, UX/UI designers, and other stakeholders to define technical requirements.

Ensure zero defects before deployment by working with the testing team.

Write, refine, and progress JIRA tickets, troubleshooting issues as they arise.

Maintain the website through regular updates and security patches.

Bring innovative ideas to the product leadership team for continuous improvement.

Optimize applications for speed, scalability, and reliability.

Conduct code reviews, providing constructive feedback to ensure quality.

Stay updated on emerging technologies to integrate advancements into our systems.

Develop comprehensive technical documentation, including system architecture and API specifications.

Support deployment and monitoring of applications in production environments.

Work within the SCRUM Agile Framework and be open to training if not experienced.

Knowledge, Experience, and Technical Know-How:

Proficient in PHP with expertise in object-oriented programming and Drupal.

Extensive experience in Drupal custom module development, including Services and Plugins, Controllers, and core APIs.

Hands-on experience with Acquia products, particularly Site Studio.

Command-line proficiency in Linux, Drush, Composer, Git, and MySQL.

Strong understanding of server-side programming languages (Java, Python, Node.js, Ruby).

Familiarity with database management systems (MySQL, PostgreSQL, MongoDB) and data modeling.

Knowledge of RESTful APIs, microservices architecture, and version control systems (Git).

Excellent problem-solving skills and ability to thrive in a team-oriented environment.

Strong communication skills for effective collaboration with cross-functional teams.

Knowledge of cloud platforms (AWS, Azure, Google Cloud) and containerization (Docker) is a plus.

Experience in an Agile product team, ideally with SCRUM experience.

Lead Backend Engineer Python TypeScript API

Lead Backend Engineer / Developer (Python TypeScript API) Newcastle onsite to £150kAre you a technologist who enjoys liaising with clients, looking for a new opportunity?You could be joining a scaling FinTech within the consulting division of the Newcastle office.What’s in it for you:

Salary to £150k + Bonus

25 days holiday

Bupa healthcare

Generous pension contribution

Continuous career development opportunities

Social team atmosphere with a range of events and early finish for drinks on Fridays

Relocation assistance (within the UK)

Your role:As a Lead Backend Engineer you’ll design and implement the logic behind core applications, build APIs and microservices that handle data processing, business rules and third-party integrations and oversee the configuration and upkeep of secure, reliable server environments.You’ll work closely with internal teams and customers to gather detailed requirements through meetings and workshops and help shape the product vision and roadmap by offering technical insight and feasibility guidance, remaining hands-on with architecture and design.You will be a technical leader, instilling best practices, conducting code reviews, mentoring and collaboratively problem solving to help your team remove any blockers and delivery high quality software.Location:You’ll join colleagues in brand new Central Newcastle offices on a full-time basis (Monday to Friday), working hours 0900-1800 with some flexibility. The offices are well equipped and offer fantastic views across the City and the local countryside, many employees walk or cycle in (onsite showers available!).About you:

You have achieved a minimum 2.1 BSc in Computer Science or similar technical discipline from a top tier / Russel Group university, backed by A’s at A-level

You have strong software engineering experience with Python, TypeScript, RESTful APIs, Vue.js, PostgreSQL, CI/CD, Cloud, DevOps

You have advanced communication and client relationship building skills gained within a consultancy environment

You have strong business acumen

You’re a technologist who enjoys collaborating and problem solving

You have a good knowledge of modern software engineering best practices across the full software development lifecycle

You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms

You’re excited to join a start-up in a role that you can shape and influence

Apply now to find out more about this Lead Backend Engineer / Developer (Python TypeScript API) opportunity.

Senior Ruby On Rails Developer

Job Title: Senior Ruby on Rails Developer Location: Remote Start Date: JanuaryWe are seeking an experienced Ruby on Rails Consultant to support the development, enhancement and maintenance of in-house enterprise web applications within our clients complex environment.The role involves gathering and analysing business requirements, designing and building new Ruby on Rails applications, supporting live systems, resolving defects, and delivering iterative improvements. You’ll be involved across the full software development life cycle, from design through testing and release, while maintaining high-quality technical documentation.Key requirements:

At least 2 years hands-on Ruby on Rails using BDD/TDD

Experience building APIs for Rails applications

Strong skills in PostgreSQL, Git, Linux environments

Exposure to containers (eg Kubernetes), VMware, Nginx/HAProxy

Excellent problem-solving and communication skills (working with non-technical users)

Desirable:

Open-source project contribution

Experience in large or international organisations

If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format.Disclaimer Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.

Leeds (Hybrid)Permanent£60,000 (DOE).NET Developer needed with strong .NET Core and AWS Serverless experience for a permanent career opportunity based in Leeds (Hybrid).Hybrid Working - 3 days/week remote (WFH), and 2 days/week working on-site in the Leeds office. Start ideally Dec 2025/Jan 2026.A chance to work with a leading global IT transformation business specialising in large-scale Government projects.Key experience, responsibilities + tasks:

.NET Core Developer with expertise in building Cloud-native applications.

Strong hands-on Back End development using .NET Core, AWS serverless architecture + DevOps pipelines.

Strong experience in .NET Core, ASP.NET Core (Web APIs, microservices).

Building + optimizing .NET Core microservices and RESTful APIs.

Developing + maintaining scalable serverless applications using AWS services such as: AWS Lambda, API Gateway, DynamoDB, S3, Step Functions, EventBridge, SNS/SQS, AppSync.

Expertise in AWS serverless services (Lambda, API Gateway, S3, DynamoDB), DevOps practices + CI/CD pipelines.

Front End development frameworks such as React or Blazor is an advantage.

Implement and manage CI/CD pipelines using Azure DevOps, or GitHub Actions.

Ensuring application security, monitoring, logging using AWS CloudWatch + IAM best practices.

Technical Environment: Git, Docker, Containerization, automated deployment, Databases (SQL/NoSQL, PostgreSQL, DynamoDB), Infrastructure as Code (IaC), AWS CDK, Terraform, CloudFormation.

Benefits: Salary to £60k (DOE) + Hybrid Work + Bonus + Pension + 22 days holiday plus BHs (rising to 25 days) + Death in Service + Health Care Plan + More.

IT Technician

Consortium Professional Recruitment Ltd

IT Support Technician Location: Hull Salary: £25,000 - £30,000Are you an experienced IT Support professional looking for a varied and hands-on role within a busy, fast-moving business?We re working in partnership with a growing company operating across multiple sites, to recruit an IT Support Technicianto join their close-knit technical team.This is a highly user-facing position where no two days are the same. You ll be the go-to person for colleagues across the business supporting everything from day-to-day troubleshooting to assisting with exciting new IT and data projects.What you ll be doing:

Acting as the first point of contact for IT support across three sites and remote users

Troubleshooting hardware, software, and network issues

Installing, configuring, and maintaining IT systems including servers, networks, and desktop devices

Managing Active Directory, DNS, DHCP, O365, SharePoint, and Exchange users

Overseeing data backups, system security, and patch management

Supporting data reporting and analytics using tools like PostgreSQL, HFSQL, and MSSQL

Getting involved in new IT projects such as e-commerce and data analytics developments

What we re looking for:

Proven experience supporting end users in a multi-site IT environment

Strong problem-solving and organisational skills

Confident communicator with a customer-focused mindset

Familiarity with tools such as ticketing systems, MS Active Directory, and MS Server

A proactive approach and willingness to learn new technologies

Desirable but not essential:

Exposure to Power BI, Docuware, or Merlin ERP

Basic coding knowledge or scripting experience

Why you ll love it here: You ll be joining a supportive team where your ideas are valued and your work genuinely makes a difference. The role offers plenty of variety, autonomy, and opportunities to develop your technical skillset in a collaborative, people-focused environment.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 (url removed)

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Frequently asked questions

What types of PostgreSQL jobs are available on Haystack?

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Do I need certifications to apply for PostgreSQL jobs on Haystack?

While certifications like the PostgreSQL Certified Professional can enhance your profile, many employers also value hands-on experience, problem-solving skills, and a strong understanding of database management.

Can I find remote PostgreSQL job opportunities on Haystack?

Yes, Haystack offers a variety of remote, hybrid, and on-site PostgreSQL job listings, allowing you to find positions that fit your preferred working style.

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Yes, Haystack offers various resources including interview guides, practice questions, and articles on PostgreSQL concepts to help candidates prepare effectively for technical interviews.

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