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Full Stack Engineer Jobs

Overview

Looking for top Full Stack Engineer jobs? Explore our curated listings of full stack developer positions across leading tech companies. Whether you specialize in frontend, backend, or both, find the perfect role that matches your skills and career goals. Start your next full stack engineering job search here and take your tech career to the next level!
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Software Engineer
Carbon 60
Multiple locations
In office
Mid
£329 - £440
RECENTLY POSTED
kubernetes
java
sonarqube
angular
Carbon60 is currently looking for a Software Engineer to join a client of ours based in Newcastle. Our client is pronoun in the aviation, defence, and space sectors. They are looking for a Software Engineer to join their team on a contractual basis. This role will be 12 months, working 60% onsite.
As a Software Engineer you will be responsible for developing robust and efficient code using Java and related technologies. Your primary duties will include: Developing reusable patterns and encouraging innovation to enhance team velocity Contributing to quality assurance by writing unit and automated tests Conducting design and code reviews to ensure adherence to coding best practices, unit testing, security, and scalability guidelines Ensuring code is well-documented and sharing knowledge of implemented solutions Participating in agile-based activities, such as sprint planning, reviews, and daily stand-upsTo be successful in this role, you should possess the following essential skills and qualifications: Proficiency in Java and cloud services development Expertise in unit testing Desirable skills include DevSecOps awareness, experience with tools like Tekton, ArgoCD, and SonarQube, as well as familiarity with Red Hat OpenShift or Kubernetes, and the Quarkus framework Front-end development experience using Angular is also a plus
If you are interetsred in this position, please apply with an updated CV and one of our ocnsultants will be in touch.
Carbon60, Lorien & SRG - The Impellam Group STEM Portfolio are acting as an Employment Business in relation to this vacancy.
Full Stack Developer
Pontoon
Multiple locations
Fully remote
Mid
£700 - £750
RECENTLY POSTED
processing-js
react
aws
python
nodejs
docker
Full Stack Developer (Contract)
Duration: 3 Months (Possibility for extension)
Location: Remote (Occasional travel to London as and when required)
Rate: A highly competitive Umbrella Day Rate is available for suitable candidates
Role Profile
We are seeking a highly skilled Full Stack Developer with senior-level expertise to join our dynamic team. Your primary focus will be on scaling AI assets and developing our innovative Retrieval-Augmented Generation (RAG) product. This role will place you at the intersection of advanced Large Language Models (LLMs), intelligent agents, and application development, contributing to the next generation of AI-driven solutions.
Key Responsibilities:
Backend Development: Design, develop, and maintain scalable backend services using Python. Integrate these services with LLMs, agents, and document processing frameworks to create robust solutions.
Frontend Development: Build intuitive and responsive frontend interfaces using React, ensuring a seamless user experience.
Collaboration: Work closely with cross-functional teams to design and implement AI-powered applications and solutions that meet business needs.
AI Product Development: Contribute to the development of our Document Understanding product, enhancing the scalability and efficiency of our AI assets. Stay abreast of emerging AI technologies, including LLMs, agentic architectures, and application integrations.
Skills & Experience:
Proven expertise in full stack development with a strong focus on Python (backend) and React (frontend).
In-depth knowledge of Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), and related AI/ML concepts.
Demonstrated ability to design scalable, reliable, and maintainable software solutions.
Strong team collaboration skills, with a proactive approach to problem-solving.
Hands-on expertise with LangChain.
Experience with AI model deployment and optimization strategies.
Technical Expertise Required:
Proficient in Python
Experienced with REACT.js
Familiar with Node.js
Knowledge of Docker
Understanding of LangChain
Experience with cloud platforms such as Amazon Web Services (AWS) or Azure
Familiarity with LLMs and RAG technologies
Candidates will need to show evidence of the above in their CV in order to be considered.
If you feel you have the skills and experience and want to hear more about this role ‘apply now’ to declare your interest in this opportunity with our client. Your application will be observed by our dedicated team.
We will respond to all successful applicants ASAP however, please be advised that we will always look to contact you further from this time should we need further applicants or if other opportunities arise relevant to your skillset.
Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone’s chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive.
As part of our standard hiring process to manage risk, please note background screening checks will be conducted on all hires before commencing employment.
Python Developer
SF Recruitment
Multiple locations
Fully remote
Mid
£55k - £60k
RECENTLY POSTED
python
processing-js
mysql
django
Python Developer with key skills in Azure and MySQL ideally gained working on business transaction projects within financial services is sought on a fully remote basis by a market leading financial services organisation based near Manchester. With recent investment this Python Developer will work closely with the lead Engineer on new platform functionality aimed at creating automation middleware to help drive business efficiencies whilst improving usability for the end user. This role would suit a mid-level software Developer with experience working within the financial services space who relishes using the latest technology to build innovative solutions that quickly solve business problems with the ability to understand and translate business requirements into technical solutions. This Python Developer should have at least 3 years experience in most of the following: - Strong commercial python development experience - Experience working on business transaction projects (pension, banking, accounting, payments, back-office processing etc) - Framework experience - Flask,Django, FastAPI etc - Solid MySQL skills - Experience working in a fast-paced financial services/ accounting - Azure cloud exposure - Strong communication and stakeholder engagement skills - Any experience integrating automation solutions into existing platforms would be a real plus In return this Python Developer will receive - Starting salary of up to £60,000 - Long term, full remote working - Bonus scheme - Flexible working hours - Clear progression and personal development opportunities - 25 days annual leave plus bank holidays - Private pension - Private healthcare - Regular salary reviews So if you are a Python Developer who gets excited about greenfield development and progressing quickly in this market leading company please apply now. Python Developer London, Birmingham, Manchester, Leeds, Bristol (long term remote working) Python, Flask ,Azure, MySQL, API, Django, FastAPI, accounting, financial services
Software Engineer
SF Recruitment
Multiple locations
Hybrid
Mid
£55k - £65k
RECENTLY POSTED
aws
javascript
kubernetes
postgresql
typescript
nodejs
+1
Software Engineer with strong commercial node.js and Typescript experience is sought on a fully remote basis by an international technology company. Working at the forefront of B2B technology asset management this Software Engineer will play a key role in building a bespoke enterprise grade ERP (including implementing AI software solutions) that will drive business success across 47 sites globally. This role would suit a software engineer with at least two years commercial experience who is looking for a clear progression pathway and the autonomy to deliver a best in class, market leading, greenfield solution that will drive huge business growth. In return this Software Engineer can expect an autonomous, knowledge share driven culture with a team of seven alongside excellent career development and training opportunities within this market leading organization. This Software Engineer should have most of the following key skills: - Solid commercial node.js - Strong Typescript skills - Understanding of cloud deployment (ideally AWS) - PostgreSQL database knowledge would be useful - Strong Test driven development skills with the ability to write unit tests - Third party API development skills - Solid system design understanding - Serverless, Headless, microservices etc - Any automation skills would be useful - Docker, Kubernetes etc - Any experience working with ERP solutions would be a real plus - A positive, engaging personality who understands the business impact of the software they are writing This software Engineer will receive: - Starting salary of up to £65,000 - Long term remote working with one day a month in the office - Extensive personal development scheme - 25 days holiday - Private pension & healthcare - Fast paced, autonomous culture with extensive growth potential - Regular remuneration reviews So if you are a Software Engineer who wants to join a market leading business with innovation at its core please apply now to be considered Software Engineer Fully remote AWS, ERP, system architecture, JavaScript, Typescript, node, PostgreSQL,
Senior Front-End Developer - 12 months - Contract
Involved Solutions
Leeds
Hybrid
Senior
£600 - £675
RECENTLY POSTED
react
aws
mocha
javascript
redis
jest
+4
Senior Front-End Developer - 12 months - Contract****Rate: £675 per dayIR35: InsideLocation: 3 days a week in Newcastle or LeedsDuration: 12 months**The role:**A leading Central Government institution are seeking a suitable candidate for Senior Front End Developer role. You will work with Node.js, Express, React and templating engines to deliver accessibility compliant UIs using well defined GDS standards.12-month contract, based in either Leeds or Newcastle - Paying up to £675 per day Inside IR35.Experience:
Significant demonstrable expertise in Front-end development of large-scale systems dealing with high numbers of users, transactions and business processes.
Detailed working knowledge and extensive experience of open-source technologies including HTML, CSS, client and server-side JavaScript, TypeScript, Node.js and other modern front-end frameworks and templating languages.
Experience in building accessible compliant user interfaces (WCAG).
Proven ability in delivering thorough unit level test coverage using common testing frameworks such as Jest or Mocha.
Experience integrating with a wide range of technical systems including database technologies (SQL or NoSQL), caching tools such as Redis and API Microservices, all deploying into cloud-based infrastructure. (AWS or Azure).
Please apply in the first instance and you will be contacted to discuss the position further.
Power Apps Developer
Robert Walters
Manchester
Hybrid
Mid
£50k - £60k
RECENTLY POSTED
sql
We are recruiting on behalf of a well-respected Managed Service Provider (MSP) who are seeking a skilled Power Apps Developer to join their growing team. This is an exciting opportunity to work on a variety of client projects, building and enhancing business applications that drive efficiency, automation, and innovation. This position will be responsible for designing, developing, and deploying solutions using Microsoft Power Platform, with a strong focus on Power Apps. You will work closely with clients to understand their requirements, tailoring solutions that integrate seamlessly into their business processes.
Key Responsibilities of the Position
Design, build, and maintain custom applications using Power Apps (Canvas and Model-driven).
Work with Power Automate and Power BI to create integrated solutions across the Microsoft Power Platform.
Gather, analyse, and document client requirements to deliver tailored applications.
Ensure best practice in application design, security, and scalability.
Integrate Power Apps with data sources such as SharePoint, Dataverse, SQL, and third-party APIs.
Provide technical support, training, and guidance to clients on Power Platform capabilities.
Keep up to date with developments across Microsoft’s low-code technologies.
Key Requirements for the Role
Demonstrable experience in developing and delivering Power Apps solutions within a commercial or consultancy/MSP environment.
Strong knowledge of Power Automate and data integration.
Experience working with Microsoft 365, Dynamics 365, and Azure services.
Familiarity with Dataverse, SharePoint, and SQL databases.
Excellent problem-solving and communication skills.
Client-focused approach with the ability to manage multiple projects.
Knowledge of Power Pages and Power Virtual Agents would be an advantage.
The role is offering a competitive salary of up to £60,000 per annum alongside a wealth of benefits. These include Private health care, 22 days holiday + your birthday off, enhanced pension & more. The position is a hybrid role based in Manchester.
Please apply within.
Robert Walters Operations Limited is an employment business and employment agency and welcomes applications from all candidates
Senior Java Developer x 2
Hays Specialist Recruitment Limited
London
Fully remote
Senior
£100k - £120k
RECENTLY POSTED
java
aws
I am currently working with an exciting digital solutions provider who are actively seeking 2 Senior Java Developers to lead development best practices for a brand-new business-critical project on a permanent basis.What you’ll need to succeed:
Extensive Java Development in a highly agile environment while owning and leading development best practises.
Previous experience working in a start-up/fintech environment - highly desirable.
Strong cloud experience, ideally with AWS or GCP.
Good experience developing B2B or SaaS products.
Proven experience as a fully hands-on development lead in a highly autonomous environment.
Strong full software development lifecycle experience.
What you’ll get in return
Up to £120,000/annum.
Primarily remote working.
Range of perks and benefits.
Exposure to a range of cutting-edge technologies in a highly agile environment.
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
Senior .Net Developer with Akka
Lorien
Manchester
Hybrid
Senior
£55k - £65k
RECENTLY POSTED
dot-net
mongodb
csharp
dot-net-core
sql
erlang
Senior .Net Developer (with Akka.Net) - Manchester City (Hybrid remote)
Work on varied development projects relating to a high volume, large scale, low latency enterprise system used by millions of customers across the UK and U.S.
Based in Manchester city centre (2 days a week in office), this role is paying between £55k and £65k + 10% bonus.
THE ROLE:
As part of an established scrum development team, you will be working on a mix of new development and existing systems in support of the organisations move from monolithic to microservices. This will include complete application rewrites from the ground up, and because everything is containerized and there is no fixed mandate on how to do things, the team collectively decides on the technologies used and the approach.
The team is in the process of moving to 2-week sprints, utilizing more CI/CD pipelines and away from end-to-end/ API testing and toward unit testing.
Duties:
Designing, developing, and maintaining new software applications
Writing clean, maintainable, and scalable code
Investigating, debugging and resolving software issues
Participating in peer code reviews and estimations of work.
Participating in end-user interactions to gather requirements and provide support.
Requirements:
Experience working on large commercial systems.
Solid expertise in C#, .Net Core and Web API’s
Experience with SQL Server (MongoDB beneficial)
Expertise in performance optimisation
Experience of Unit and functional testing
Experience with Akka.Net (or Orleans, Proto.Actor or Erlang)
On offer:
Hybrid remote working (2 days a week in Manchester office)
Flexible start times (7am-10am)
Annual bonus
Pension
Death in service
Employee discount scheme
Car plan - reduced prices on a variety of brand-new cars
Enhanced Maternity & Paternity pay
IND_PC1
Carbon60, Lorien & SRG - The Impellam Group STEM Portfolio are acting as an Employment Business in relation to this vacancy.
Senior .NET Developer (with Akka)
Lorien
Manchester
Hybrid
Senior
£55k - £65k
RECENTLY POSTED
dot-net
mongodb
csharp
dot-net-core
sql
erlang
Senior .NET Developer (with Akka.NET) - Manchester City (Hybrid remote)
Work on varied development projects relating to a high volume, large scale, low latency enterprise system used by millions of customers across the UK and U.S.
Based in Manchester city centre (2 days a week in office), this role is paying between £55k and £65k + 10% bonus.
THE ROLE:
As part of an established scrum development team, you will be working on a mix of new development and existing systems in support of the organisations move from monolithic to microservices. This will include complete application rewrites from the ground up, and because everything is containerized and there is no fixed mandate on how to do things, the team collectively decides on the technologies used and the approach.
The team is in the process of moving to 2-week sprints, utilizing more CI/CD pipelines and away from end-to-end/API testing and toward unit testing.
Duties:
Designing, developing, and maintaining new software applications
Writing clean, maintainable, and scalable code
Investigating, debugging and resolving software issues
Participating in peer code reviews and estimations of work.
Participating in end-user interactions to gather requirements and provide support.
Requirements:
Experience working on large commercial systems.
Solid expertise in C#, .NET Core and Web API’s
Experience with SQL Server (MongoDB beneficial)
Expertise in performance optimisation
Experience of Unit and functional testing
Experience with Akka.NET (or Orleans, Proto.Actor or Erlang)
On offer:
Hybrid remote working (2 days a week in Manchester office)
Flexible start times (7am-10am)
Annual bonus
Pension
Death in service
Employee discount scheme
Car plan - reduced prices on a variety of brand-new cars
Enhanced Maternity & Paternity pay
IND_PC1
Carbon60, Lorien & SRG - The Impellam Group STEM Portfolio are acting as an Employment Business in relation to this vacancy.
Java Developer
Whitehall Resources Ltd
Shropshire
Hybrid
Mid
Private salary
RECENTLY POSTED
java
react
aws
mongodb
javascript
dot-net
+14
Whitehall Resources are currently looking for a Java Developer based 2 days a week onsite in Shropshire, remainder remote for an initial 6 month contract.
*MUST BE SC ELIGIBLE.*
*INSIDE IR35.*
Our client are looking for a Java Developer to write the low-level design and build some transformation code to transform data from CESA to the ETMP design which will be hosted in an Oracle database.
Presentation Layer:
Remix React Framework
JavaScript
Form generation ‘engine’
Service Layer:
Java - is vital
Spring
.NET (to support an existing project)
JSON - is vital
RabbitMQ
Data Layer:
MongoDB
Oracle
Key Skills:
React
Java 17+
JSON
Spring Boot 3+
Junit
Playwright
HTML
Object Oriented Design
JPA
Maven
Gitlab (understanding of Git at least is essential)
JDBC
Proven leadership skills
Good communication skills
Proven team engagement skills
Proven coaching skills
Quality Driven
Adaptable/ability to context switch
Stakeholder Management
Desirable Skills:
Kubernetes
Micro-services
GraalVM
Helm
Mockito
AWS
Kibana
Grafana
Open API
WCAG
OAuth2/OpenID
Sustainable Software Engineering
Cucumber/Gherkin
Selenium
Agile Scrum
Agile Practices
All of our opportunities require that applicants are eligible to work in the specified country/location, unless otherwise stated in the job description.
Whitehall Resources are an equal opportunities employer who value a diverse and inclusive working environment. All qualified applicants will receive consideration for employment without regard to race, religion, gender identity or expression, sexual orientation, national origin, pregnancy, disability, age, veteran status, or other characteristics.
Senior Power Platform Developer
Triad Group Plc
London
In office
Senior
£55k - £65k
RECENTLY POSTED
javascript
csharp
Job Title: Senior Power Platform Developer
Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices.
Salary £55,000-£65,000 plus company benefits.
About Us
Triad Group Plc is an award-winning digital, data, and solutions consultancy with over 35 years’ experience primarily serving the UK public sector and central government. We deliver high-quality solutions that make a real difference to users, citizens and consumers.
At Triad, collaboration thrives, knowledge is shared, and every voice matters. Our close-knit, supportive culture ensures you’re valued from day one. Whether working with cutting-edge tech or shaping strategy for national-scale projects, you’ll be trusted, challenged, and empowered to grow.
We nurture learning through communities of practice and encourage creativity, autonomy, and innovation. If you’re passionate about solving meaningful problems with smart and passionate people, Triad could be the place for you.
Glassdoor score of 4.7
96% of our staff would recommend Triad to a friend
100% CEO approval
See for yourself some of the work that makes us all so proud:
Helping law enforcement with secure intelligence systems that keep the UK safe
Supporting the UK’s national meteorological service in leveraging supercomputers for next-level weather forecasting
Assisting the British government department that is responsible for the safety of consumer products, with systems to track unsafe products
Powering systems that help the government monitor and reduce greenhouse gas emissions from commercial transport
Role Summary
As Triad’s Power Platform Developer, you will play a pivotal role in designing, implementing, and maintaining scalable solutions built on the Microsoft Power Platform. You possess a deep understanding of Power Apps, Power Automate, Power BI, Dataverse, and C# and will be responsible for translating business requirements into robust, efficient, and scalable Power Platform solutions
Key Responsibilities
Develop, administer, and support Microsoft technologies, including Dynamics 365, SharePoint Online, the M365 suite, Power Pages, and bespoke applications built using the Power Platform.
Deliver innovative solutions using Dynamics 365, Power Platform (including Power Pages), and SharePoint Online across all stages of the software development life cycle.
Design and build both Canvas and Model-Driven Power Apps.
Configure and customise Dynamics 365, SharePoint Online, and Power Pages, including the use of plugins, custom workflow assemblies, JavaScript, and extended Azure/Office 365 capabilities.
Work with Microsoft Power BI to support reporting and data visualisation requirements.
Maintain an awareness of the broader Microsoft solutions suite and how different products integrate and complement one another.
Apply core software engineering principles across varying platforms, languages, and business domains.
Bring a strong enthusiasm for technology and a proactive, solutions-driven mindset.
Contribute original ideas and technical insights to explore and experiment with new approaches.
Demonstrate initiative and entrepreneurial thinking to drive technical innovation, challenge the status quo, and continuously enhance development practices.
Nice to Haves
Cloud Native Services experienced but not limited to Logic/Function Apps.
GDS experience.
Relevant intermediate or advanced level AZ/MB/MS/PL certifications
Qualifications and Certifications
Eligible for SC level security clearance
Bachelor’s degree in Computer Science, Information Technology, or related discipline.
Relevant certifications, including but not limited to:
Microsoft Certified: Power Platform Solution Architect Expert (preferred).
Microsoft Certified: Power Platform Developer Associate (optional but valued).
Minimum of 8 years of hands-on experience in Microsoft development technologies.
Triad’s Commitment to You
As a growing and ambitious company, Triad prioritises your development and well-being:
Continuous Training & Development: Access to top-rated Udemy Business courses.
Work Environment: Collaborative, creative, and free from discrimination.
Benefits:
25 days of annual leave, plus bank holidays.
Matched pension contributions (5%).
Private healthcare with Bupa
Gym membership support or Lakeshore Fitness access.
Perkbox membership.
Cycle-to-work scheme.
What Our Colleagues Have to Say
Please see for yourself on Glass Door and our “Day in the Life” videos at the bottom of our Careers Page.
Our Selection Process
After applying for the role, our in-house talent team will contact you to discuss Triad and the position. If shortlisted, you will be invited for:
A Technical Test (30 mins)
A Technical interview with one of the Power Platform Architects.
An interview session with our CTO including a career review and cultural fit assessment.
We aim to complete interviews and progress candidates to offer stage within 2-3 weeks of the initial conversation.
Other information
If this role is of interest to you or you would like further information, please contact Laura Piechowicz and submit your application now!
Triad is an equal opportunities employer and welcomes applications from all suitably qualified people regardless of sex, race, disability, age, sexual orientation, gender reassignment, religion, or belief.
We are proud that our recruitment process has been recognised as inclusive and accessible to disabled people who meet the minimum criteria for any role. We are a signatory on the Tech Talent Charter that aims to bring industries and organisations together to drive greater inclusion and diversity in technology roles, in addition, as a Disability Confident Leader.
C# Developer
Triad Group Plc
London
In office
Mid
£45k - £55k
RECENTLY POSTED
csharp
react
javascript
dot-net
mysql
git
+5
Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices.
Salary Negotiable, DoE, plus company benefits.
Due to the nature of this position, you must be willing and eligible to achieve a minimum of SC clearance. To be eligible, you must have been a resident in the UK for a minimum of 5 years and have the right to work in the UK.
About Us
Triad Group Plc is an award-winning digital, data, and solutions consultancy with over 35 years’ experience primarily serving the UK public sector and central government. We deliver high-quality solutions that make a real difference to users, citizens and consumers.
At Triad, collaboration thrives, knowledge is shared, and every voice matters. Our close-knit, supportive culture ensures you’re valued from day one. Whether working with cutting-edge tech or shaping strategy for national-scale projects, you’ll be trusted, challenged, and empowered to grow.
We nurture learning through communities of practice and encourage creativity, autonomy, and innovation. If you’re passionate about solving meaningful problems with smart and passionate people, Triad could be the place for you.
Glassdoor score of 4.7
96% of our staff would recommend Triad to a friend
100% CEO approval
See for yourself some of the work that makes us all so proud:
Helping law enforcement with secure intelligence systems that keep the UK safe
Supporting the UK’s national meteorological service in leveraging supercomputers for next-level weather forecasting
Assisting the British government department that is responsible for the safety of consumer products, with systems to track unsafe products
Powering systems that help the government monitor and reduce greenhouse gas emissions from commercial transport
Role Summary
Triad Group Plc is seeking a skilled and experienced C# Developer to join our dynamic team. As a Developer, you will be responsible for designing, developing, and maintaining software applications using .NET Core with associated web frameworks (React, Blazer, Angular). You will collaborate with cross-functional teams to understand project requirements, propose solutions, and deliver high-quality code that meets our clients’ needs.
As a consultant at Triad, you will play a pivotal role in shaping the technological landscape, defining, designing, and delivering digital solutions across public, private, and third sectors. Operating within a Company that values autonomy and creativity, you will be at the forefront of solving complex problems, contributing to a culture of innovation that has been the hallmark of Triad’s 35-year success story.
Key Responsibilities:
Design, develop, and maintain C# applications, components, and systems.
Write clean, efficient, and maintainable code following best practices and coding standards.
Collaborate with cross-functional teams including designers, product managers, and other developers to understand project requirements and deliver high-quality solutions.
Participate in code reviews to ensure code quality and provide constructive feedback to peers.
Troubleshoot and debug software applications to resolve issues and optimise performance.
Stay updated with the latest trends and technologies in web development and software engineering.
Document code and technical specifications.
Contribute to the continuous improvement of development processes and methodologies.
Skills and Experience:
Relevant training, qualifications and experience in software development practices (Apprenticeship/Degree/Masters etc)
Proven experience as a C# Developer or similar software development role.
Proficiency in C# programming language and .NET framework including .NET Core
Strong understanding of object-oriented programming principles.
Experience with software development methodologies such as Agile or Scrum.
Familiarity with relational databases (eg, SQL Server, MySQL, PostgreSQL) and ORM frameworks (eg, Entity Framework).
Excellent problem-solving and analytical skills.
Good communication and collaboration abilities.
Ability to work independently and in a team environment.
Strong attention to detail and dedication to delivering high-quality work.
Experience with Front End technologies (HTML, CSS, JavaScript).
Experience with version control systems (eg, Git is preferred).
Hold current SC-level security clearance (preferable).
Be able to gain SC-level security clearance (mandatory).
Triad’s Commitment to You
As a growing and ambitious company, Triad prioritises your development and well-being:
Continuous Training & Development: Access to top-rated Udemy Business courses.
Work Environment: Collaborative, creative, and free from discrimination.
Benefits:
25 days of annual leave, plus bank holidays.
Matched pension contributions (5%).
Private healthcare with Bupa
Gym membership support or Lakeshore Fitness access.
Perkbox membership.
Cycle-to-work scheme.
Our Selection Process
After applying for the role, our in-house talent team will contact you to discuss Triad and the position. If shortlisted, you will be invited for:
Initial call with the Internal Recruitment Team
Technical test
Technical interview with one of our Senior Developers and Technical Architects
Interview with our CTO for career review and cultural fit
We aim to complete interviews and progress candidates to offer stage within 2-3 weeks of the initial conversation.
Other information
If this role is of interest to you or you would like further information, please submit your application now!
Triad is an equal opportunities employer and welcomes applications from all suitably qualified people regardless of sex, race, disability, age, sexual orientation, gender reassignment, religion, or belief.
We are proud that our recruitment process has been recognised as inclusive and accessible to disabled people who meet the minimum criteria for any role. We are a signatory on the Tech Talent Charter that aims to bring industries and organisations together to drive greater inclusion and diversity in technology roles, in addition, as a Disability Confident Leader.
Graduate Developer Opportunity
Proactive Appointments
Multiple locations
Hybrid
Graduate
£28k - £30k
RECENTLY POSTED
javascript
nodejs
java
Graduate Developer/Analyst Programmer
London - Hybrid Working
Permanent Full Time
£28,000 - £30,000
As a Graduate Developer, you’ll be an integral part of a close-knit team responsible for developing and supporting bespoke IT systems.
This role will offer you a wide variety of technical and business challenges as new products, regulations, and market practices emerge.
You’ll work across both Legacy and modern platforms, with a strong focus on training and development to get you up to speed quickly. From day one, you’ll contribute to real-world projects and gradually build your knowledge of both the technical and operational aspects of the organisation
What You’ll Be Working On
Our core application, running on an IBM i platform, primarily developed in RPG and some Java
Applications developed manually and via the CA:2E (Synon) rapid application development tool
A new system revamp project, featuring a ReactJS Front End and NodeJS API layer on top of our existing platform
Key Responsibilities
As part of a small and supportive team, you’ll be involved in a wide range of responsibilities, including:
Analysing problems and gathering requirements
Designing and developing solutions
Writing and maintaining code (RPG and JavaScript)
Performing testing and quality assurance
Producing technical and user documentation
Providing user and system support
What We’re Looking For
A recent graduate in Computer Science, Software Engineering, or a related discipline
A keen interest in software development and problem-solving
Willingness to learn Legacy and modern technologies (RPG, Java, ReactJS, NodeJS)
Strong communication and teamwork skills
Proactive and willing to take ownership of tasks in a small team setting
Why Join Us?
Join a stable, permanent position with strong growth potential
Gain experience in both modern and Legacy systems
Be part of a high-impact, agile team where your contributions matter
Receive hands-on technical and business training
Work in the fast-paced and ever-evolving world of financial trading systems
Ready to Start Your Career with Us?
This is a permanent, Full time position ideal for a graduate looking to launch their career in a collaborative and technically rich environment.
Send your CV and a brief cover letter and tell us why you’re the right fit for the team.
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Staff Software Engineer (Remote - UK)
TixTrack
London
Fully remote
Mid
Private salary
RECENTLY POSTED
react
javascript
dot-net
dot-net-core
sql
angular
At TixTrack, we support our clients by creating superior ticketing solutions for performing arts and cultural institutions through a combination of modern technology, beautifully simple design, and the art of listening.
Founded in Los Angeles, we are a small, but growing team of hardworking, highly motivated individuals. Our core product, Nliven, is a real-time platform that helps venues manage ticket sales efficiently while creating a more engaging buying experience for customers. With a presence across both the US and UK, and trusted by key organizations on Broadway and the West End, we are passionate about our work and driven to innovate with our customers to solve current and future challenges with new solutions.
We are transforming our engineering culture to align with an Empowered Teams model, embracing Continuous Delivery and focusing on building capabilities to drive higher quality, reliability, and speed.
About The Role
The Staff Software Engineer is a key technical leader and mentor in our UK engineering organization. This role is responsible for driving modernization of our core product by architecting, developing, and optimizing both frontend and backend systems with a relentless focus on quality, reliability, and architectural excellence.
This role requires deep expertise in .NET Core and modern frontend frameworks (React, Angular, or Vue) to build scalable, high-performance applications. It also requires a deep appreciation for the principles of Site Reliability Engineering (SRE) and DevOps to ensure our systems are stable, observable, and rapidly deployable.
Beyond technical execution, this position is a force multiplier; you will mentor engineers, assist the team in adopting Continuous Delivery practices, and ensure engineering best practices. The Staff Software Engineer plays a pivotal role in system design, risk assessment, and deployment strategies while partnering with Product, Design, and Engineering Leadership to deliver solutions as part of a cross-functional, empowered product team.
This position reports to an Engineering Manager and is expected to take ownership of large-scale projects, solve complex problems, and elevate the skills and standards of all UK engineers.
This position is full-time and fully remote. Candidates must reside in the United Kingdom. Candidates may be required to travel and/or meet up in-person from time to time.
About You
You have a strong background in .NET Core and modern frontend frameworks like React, Angular, or Vue, with a deep understanding of both backend and frontend development.
You don’t just write code; you mentor, assist, and collaborate with your peers to elevate the entire team’s technical output and skill level.
You thrive on the challenge of modernizing an established product and are skilled at designing and building independent services to enable team autonomy and faster delivery.
You have experience taking ownership of large-scale projects, driving architectural decisions, and mentoring junior engineers to foster a culture of technical excellence and continuous learning.
You thrive on solving complex challenges related to performance, scalability, and security, ensuring reliable and high-performance applications.
You are comfortable partnering with Product, Design, and Engineering Leadership to deliver technical solutions that align with business goals as a member of an Empowered Product Team.
What You’ll Do
Drive Architectural Modernization: Actively contribute to the decoupling of our monolithic application, designing and implementing new service-oriented architectures that enable independent deployment and team autonomy.
Elevate Quality and Reliability: Introduce and champion SRE principles and automated quality gates into our development lifecycle to ensure high system reliability.
Be a Force Multiplier for the UK Team: Serve as the most senior technical leader and mentor for the UK-based engineers, collaborating directly with them.
Collaborate with Product and Design teams to develop solutions that align with business objectives and deliver high customer value.
Lead the technical design and architecture of new features and products, making critical decisions about technology stack, system integrations, and architectural patterns
Create and maintain comprehensive technical documentation, including system designs, API specifications, and architectural diagrams
Lead and participate in code reviews, ensuring adherence to engineering best practices.
Develop and enforce coding standards, best practices, and design principles across the engineering team
Troubleshoot performance bottlenecks and optimize system reliability.
Stay up to date with emerging technologies, evaluating their potential impact and adoption.
Contribute to architectural discussions and long-term technical roadmaps.
Solve complex technical challenges related to performance, scalability, and security.
Other Duties
What You’ll Bring
Minimum Requirements
Bachelor’s degree in Computer Science, Engineering, or related field.
Six or more years of full stack software development in a Saas or technology-driven environment.
Proficiency in modern frontend frameworks (Angular, React, or Vue)
Strong front end experience (HTML, CSS, and JavaScript)
Strong back-end experience (.NET Core).
Deep understanding of SQL databases and data modeling best practices.
Familiarity with Agile framework and methodologies.
A comprehensive understanding of computer science concepts.
Essential Skills
Strong problem-solving and analytical skills, with a keen attention to detail.
Excellent communication skills, able to articulate complex technical concepts clearly.
Ability to work independently while collaborating effectively with cross-functional teams.
Strong time management and multitasking skills, balancing multiple projects and priorities.
Software Engineer Full Stack TypeScript
Client Server Ltd.
London
Hybrid
Mid
£65k - £75k
RECENTLY POSTED
typescript
react
aws
kafka
nodejs
cloudflare
Software Engineer / Developer (TypeScript) London to £75k
Opportunity to progress your career at a Tech for Good company that is enabling life changing education to be accessed by students around the world.
As a Software Engineer you will design and develop large, distributed, scalable web based systems, working within a modern cloud (AWS) microservices based environment; you’ll be primarily using Typescript and Node for backend development, but will also have exposure to React on the frontend. You’ll work across multiple teams and product streams in a collaborative environment that values code quality.
The company are passionate about providing excellent education to hundreds of thousands of students around the world and support a number of causes and cutting edge research projects that improve the way people learn via real-time, live streaming technology as well as Video on Demand.
Location:
You’ll join colleagues in the London office four days a week, with flexibility to work from home on Fridays.
About you:
You have strong full stack web development experience using TypeScript and Node.js
You understand AWS, microservices, APIs, Event Driven systems, Data Streaming (Kafka), DevOps environments, CI/CD pipelines and how to deploy to the cloud, they use CloudFlare
You’re happy to do some front end work with React
You have experience of working on large scale systems with millions of users
You’re comfortable with AI
You’re collaborative with Agile team experience
What’s in it for you:
As a Software Engineer / Developer (TypeScript) you will receive a competitive package:
Salary to £75k
25 days holiday
Private medical insurance
Training and certifications
Perks such as restaurant and retail discounts
Apply now to find out more about this Software Engineer / Developer (TypeScript) 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.
Junior Software Engineer
Rubicon Recruitment
Dorset
In office
Junior
£35k - £38k
RECENTLY POSTED
c++
jira
sql
Junior Software Engineer Poole £37,500
As a Junior Software Engineer, you ll be joining a fast-paced, innovation-led environment where your software knowledge will drive innovation across a range of interactive, data-driven products.
This is an opportunity to work across the full tech stack, from cloud platforms to embedded microcontrollers, in a role that blends engineering precision with real-world performance impact.
As Junior Software Engineer, you will benefit from:
20 days holiday + bank holiday
Realistic opportunity to progress, working closely with the Product Manager
Full travel expenses covered
Performance based bonus
As Junior Software Engineer, your responsibilities will include:
Designing and maintaining software architectures across cloud platforms, servers, and embedded systems.
Integrating websites with internal systems and automating processes.
Translating customer requirements into structured scripts and code.
Developing real-time embedded applications in C++ for microcontrollers.
Providing technical support and contributing to product enhancements.
As Junior Software Engineer, your experience will include:
Full stack development experience across embedded, web, and server-side platforms
Knowledge of programming with SQL, Raspberry Pi, API integration, and database design
Ability to manage your own workload and work independently in a structured environment
Familiarity with JIRA, Agile methodology, and change management principles
Strong programming skills in C++, with embedded C++ experience desirable
Experience with Git/Bitbucket version control and collaborative workflows
If you’re ready to take the next step in your career, we’d love to hear from you. Apply today with an up-to-date CV or call Josh at Rubicon for more information.
Senior C#/Angular Developer - Commodities, Trading
Harvey Nash
Multiple locations
Hybrid
Senior
£600/day - £750/day
RECENTLY POSTED
github
entity-framework
restful
csharp
jira
sql
+2
**Senior C#/Angular Full Stack Developer - Commodities/Trading sought by leading financial services organisation based in West London.
Outside IR35 - 3 days a week on site**
SUMMARY
This role will suit a full-stack developer, with a broad, yet modern skill set and a proven track record, who ideally has some knowledge and experience of the commodity or financial trading sectors.
Key Responsibilities:
Full stack developer with around 8-10 years development experience, working in a agile development team to deliver robust enterprise-wide solutions utilising industry standard practices
Design, develop, enhance and maintain applications using agreed coding standards and quality targets.
Ensure quality via code reviews and thorough unit testing.
Liaise with immediate scrum team, other scrum/project teams, line manager and development lead to ensure accurate and complete delivery.
Contribute to the development and implementation of software development best practices within the organisation.
Writing clean and efficient code using relevant programming languages to implement the designed features and functionality.
Key Competencies & Skills:
Knowledge of oil, wet bulk or energy trading and risk management business
Software Development Methodologies: Understanding of Agile development practices and project management tools
Communication Skills: Effective communication to collaborate with stakeholders, gather requirements, and explain technical concepts
Problem-solving Skills: Ability to troubleshoot technical issues and identify creative solutions
Experience and expertise with the following technical stack
Angular 13+ with DevExtreme UI library desirable
Playwright, ReadyAPI and Specflow.
Jira, Github, Confluenc
Nice to have -
C# and .NET6+
Rest API’s and Microservice architecture
SQL Server Database, NHibernate or Entity Framework
Demonstrate expertise of:
Building modern-web applications
Modern UI design principles. i.e. Able to take initial design direction and interpret those guidelines to finalise the design through to a solution
Restful API Design and development fundamentals
Good SQL knowledge
Test case preparation and execution
EDUCATION & EXPERIENCE REQUIREMENTS
8-10 years’ experience designing and developing applications both individually and as part of a team
Familiarity with energy or financial trading environment
Strong inter-personal and communication skills (both verbal and written)
Strong problem-solving skills and the ability to develop innovative solutions to technical problems
Experience of working in an Agile/Scrum team environment
Educated to Degree-level (or equivalent), as a minimum requirement
Please apply within for further details or call on (phone number removed)
Alex Reeder
Harvey Nash Finance & Banking

Frequently asked questions

What is a Full Stack Engineer?
A Full Stack Engineer is a software developer skilled in both front-end and back-end technologies, capable of building complete web applications from user interfaces to server-side logic and databases.
What skills are commonly required for Full Stack Engineer jobs?
Common skills include proficiency in front-end technologies like HTML, CSS, JavaScript (and frameworks such as React or Angular), back-end languages like Node.js, Python, or Java, database management, API development, and version control tools like Git.
How can I find suitable Full Stack Engineer jobs on Haystack?
You can use our search filters to narrow down Full Stack Engineer jobs by location, technology stack, experience level, and company preferences. Signing up for job alerts can also keep you updated on the latest opportunities.
Are there remote Full Stack Engineer job listings available?
Yes, Haystack offers numerous remote Full Stack Engineer positions. Use the remote work filter on our platform to find job openings that allow you to work from anywhere.
What is the typical interview process for Full Stack Engineer roles?
Interview processes vary by company but usually include an initial technical screening, coding challenges or tests, system design interviews, and behavioral interviews to assess problem-solving skills and cultural fit.