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Full Stack Engineer Jobs in Portsmouth
Overview
Looking for Full Stack Engineer jobs in Portsmouth? Explore top local opportunities on Haystack, your go-to IT job board. Find exciting full stack developer roles in Portsmouth and take the next step in your tech career today.
Full Stack Developer - AI-Ready
Spectrum IT Recruitment
Southampton
In office
Mid
£55,000 - £65,000
RECENTLY POSTED
+1

AI is changing how software is built - join a team leveraging its capabilities.

Full Stack Developer - AI-first approach

  • Location - Onsite in Southampton, Hampshire.
  • Tech - JavaScript, TypeScript, AI
  • Salary circa 55,000 - 65,000

This is your opportunity to join a growing digital technology specialist as a Full Stack Developer using AI daily to improve speed, quality and customer outcomes. This role is ideal for someone who is comfortable moving between frontend, backend, data, and web, and who is already using AI tools as part of their day-to-day development workflow.

You’ll be working in a pragmatic, collaborative environment where developers take ownership of features from concept through to deployment, and where modern tooling and AI-assisted development are actively encouraged.

What You’ll Be Doing

  • Building and maintaining features end-to-end, from UI through to APIs, databases, and deployment
  • Working across multiple parts of the stack rather than specialising in a single layer
  • Contributing to technical and architectural decisions
  • Using AI-assisted development tools to support coding, testing, documentation, and delivery
  • Helping improve development practices as tools and technologies evolve

What We’re Looking For

  • Experience with a modern frontend framework (React, Vue, Svelte or similar)
  • Backend development experience in at least one language (Node.js/TypeScript, Python, Go, C# or similar)
  • Experience working with APIs, relational databases, and cloud environments
  • Familiarity with CI/CD, containers, and modern deployment practices
  • Ability to think about systems holistically, including performance, security, and reliability

AI & Modern Development

  • Practical experience using Claude for programming efficiency and tools such as GitHub, Copilot, Cursor, or similar
  • Understanding of where AI adds value in the software development lifecycle
  • Interest in emerging areas such as LLM APIs, RAG, or automation is beneficial but not essential

If you’re a developer who enjoys working across the full stack, solving challenging problems, and using AI to improve how software is built, we’d love to hear from you.

Please contact Tom Rayner on (phone number removed) or email (url removed)

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

Senior Software Developer
Spectrum It Recruitment Limited
Southampton
Hybrid
Senior
£70,000
RECENTLY POSTED
+4

C#, ASP.Net, Azure, REST API’s

Hybrid - 2 days per week in the Southampton Office

Join a global tech leader where innovation, high performance, and career growth are at the heart of everything they do. This is your chance to make a real impact as a Software Developer, working on mission-critical systems in a cutting-edge environment.

This is great opportunity to join a global business, benefiting from corporate benefits, continuous professional development and an opportunity to work on large programmes of work in public and private sectors.

Skills Required:

  • Solid experience developing ASP.NET web applications in C# using Visual Studio/Visual Studio Code
  • Experience creating RESTful APIs and ensuring API extensibility
  • Cloud experience (Azure, AWS)
  • Azure DevOps
  • Experience of unit and automated testing using tools such as NUnit, Jasmine and Selenium
  • Good knowledge of SOLID principles

Desirable Skills:

  • Containers (docker, K8s)
  • Security best practice (OWASP top ten)
  • OpenIDConnect/Identity server
  • Micro service architecture
  • MS SQL Server
  • Azure DevOps, TeamCity
  • Infrastructure as Code (Bicep, ARM templates, Terraform)

Benefits

* Medical Cover

* Death in Service

* Hybrid Working

* Shopping Vouchers

* GP Helplines

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

Senior Software Engineer
STSdefence
Gosport
In office
Senior
Private salary
RECENTLY POSTED

The Senior Software Engineer will work within the Systems and Software team in the Programmes area of STS Defence, developing and maintaining software throughout the Software Development Lifecycle from requirements elicitation, through to in service delivery.
The post will provide technical leadership on software projects for key stakeholders and on software development activities undertaken by the company. This includes responsibility for managing code and quality reviews to ensure relevant quality standards are met across the software team.
The Senior Software Engineer will also assist in support of wider business objectives exploring new technologies for product creation, development and R&D to grow our software development capability stream; and provide support to existing software projects as required.
Duties:
Senior Software Engineer responsible for co-ordination of day to day software development in a small team
Designing and implementing software changes through change control process as part of spiral development.
Continuous improvement of Software Engineering capabilities, maintaining a leading edge capability
Leading the planning, delivery and assurance of software work packages and ensuring software engineering process and best practice followed
Oversight, direction and guidance to the allocated project team members, through the planning and delivery of installation tasks and projects
The provision of software engineering technical input into bid preparation and contracts
Ongoing review and improvement of policies, standards and procedures for software engineering activities
Support project software requirements including supporting customer and other stakeholder meetings as required
The exploitation of opportunities for further business development
Skills/Qualifications:
Degree Qualified (BSc or equivalent) in Software Engineering, Computer Science or equivalent experience
Experience with C++, C#, Java, and web development (HTML, CSS, JS, etc.)
Exposure to other embedded development (Linux, bash/shell scripting, terminal command-line scripts, Qt/QML)
Strong experience architecting cradle-to-grave software solutions including Technology Readiness level (TRL) process.
Proven track record with creating and maintaining servers, primarily those with versioning control, Bugzilla, project management capabilities and automated testing capabilities
Strong experience of software development lifecycle processes, ensuring both a quality of process and firm traceability from requirements to implementation
Experience of creating and managing cloud-based big data solutions desirable
Proven track record of working collaboratively with a diverse range of internal and external stakeholders
Additional Information
All candidates must be in a position to obtain UK security clearance to SC level, with further security clearance to DV level desirable. Additional restrictions may apply on certain defence programmes
All candidates will be required to adhere to STS Defence core values.

Software Engineer
University Of Southampton
Southampton
Remote or hybrid
Junior - Mid
£40,000
RECENTLY POSTED

Section : Service Delivery Location : 1 Guildhall Square Salary : £36,636 to £44,746 Per Annum Full-Time Fixed-Term until 31/07/2027 Closing Date : Friday 13 March 2026 Interview Date : To be confirmed Reference : 3346026JF We are undertaking a technical revamp of our website and are looking for three software engineers to join us to help with the transformation. This is an exciting time to be joining the University of Southampton as we are looking to rebuild, consolidate and rearchitect large parts of our sites to meet best practices for technical design, content and accessibility. About the Role These roles will work across our website estate, looking to consolidate platforms as well as improving technical debt, design and reliability. We are looking for a range of technical skill sets from Linux and cloud platforms experience through to frontend and dedicated Drupal and PHP development. If you have any or all of these, then this role may be for you. What youll do - Work with the team to define, analyse and resolve technical backlog - Develop static and data-driven solutions to improve and expand the current offerings on the website - Proactively work with our content design and user experience team to define how the website should function - Develop tests and documentation for everything you do What youll bring - Strong experience of at least one of the following: Drupal 10 software backend and frontend development Frontend development, including HTML, CSS, JavaScript and ideally Vue.js Linux and Azure platform management - The ability to present your ideas and your specialist area to a wide and potentially non-technical audience We dont expect one person will have all of the skills above, however, we will be looking for a team, including our current developers, which covers all of these. About the University The University of Southampton is a research-driven institution, home to some of the worlds leading minds, expanding our knowledge and passing it on to future generations. iSolutions is the Universitys IT support service whose 230+ staff support the delivery of the Universitys research and education activities as well as the usual business operations. We would love you to join us and help change the world for the better. The University of Southampton promotes a healthy work life balance with generous holiday allowance (30+ days), defined benefit pension, flexitime and flexible working, generous parental leave and childcare provision. For more information on our benefits, please visit our human resources pages. This role offers remote working possibilities, but there is an expectation that the successful candidates will be able to travel to our office at Guildhall Square or one of our other campuses in Southampton for occasional meetings and team events. We are committed to equality, diversity and inclusion and welcome applicants who support our mission of inclusivity. Apply by 11.59 pm GMT on the closing date. For assistance, contact Recruitment, quoting the job number. TPBN1\_UKTJ

Software Developer
Spectrum It Recruitment Limited
Waterlooville
Hybrid
Junior - Mid
£50,000
RECENTLY POSTED
+3

4 Days per week in the Portsmouth Office

C#, .Net Core, VueJS, Typescript
£45,000 - £50,000

Software Developer required to join a progressive and leading company within the automotive industry.

As a Software Developer you will help to transform the whole digital product suite. They want to take an API first approach and build this out in .NET. and new front ends in Vue.Js.

You will be working on some greenfield projects and using best practice engineering processes and approaches, and driving the capabilities of the platform, ensuring continuous product improvement.

Skills Required:

  • C#
  • .Net Core
  • Typescript
  • Experience in VueJS (Preferable), React, Angular.
  • MS SQL Server / T-SQL
  • Experience with modern CI/CD pipelines highly desirable
  • Understanding of Design Patterns, OOP, SOLID, and Clean Code a must

If you have the relevant skills for this role and are ready for the challenge then please send your CV to

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

Senior Software Developer
Spectrum It Recruitment Limited
Southampton
Hybrid
Senior
£70,000
RECENTLY POSTED
+4

C#, ASP.Net, Azure, REST API’s

Hybrid - 2 days per week in the Southampton Office

Join a global tech leader where innovation, high performance, and career growth are at the heart of everything they do. This is your chance to make a real impact as a Software Developer, working on mission-critical systems in a cutting-edge environment.

This is great opportunity to join a global business, benefiting from corporate benefits, continuous professional development and an opportunity to work on large programmes of work in public and private sectors.

Skills Required:

Solid experience developing ASP.NET web applications in C# using Visual Studio/Visual Studio Code

Experience creating RESTful APIs and ensuring API extensibility

Cloud experience (Azure, AWS)

Azure DevOps

Experience of unit and automated testing using tools such as NUnit, Jasmine and Selenium

Good knowledge of SOLID principles

Desirable Skills:

Containers (docker, K8s)

Security best practice (OWASP top ten)

OpenIDConnect/Identity server

Micro service architecture

MS SQL Server

Azure DevOps, TeamCity

Infrastructure as Code (Bicep, ARM templates, Terraform)

Benefits

* Medical Cover

* Death in Service

* Hybrid Working

* Shopping Vouchers

* GP Helplines

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

TPBN1_UKTJ

Lead Software Engineer
Stratospherec Ltd
Fareham
In office
Senior
£65,000 - £75,000
RECENTLY POSTED
+3

Lead Software Developer - Whiteley, Salary - £65000 to £75000

My client are a Financial services company based in Fareham. They are looking for a Senior/Lead Software Developer with skills in ASP.Net, MVC, and C#.

My client are looking for a Tech Lead Developer with hands on experience in Microsoft Technologies, ASP.Net & MVC .NET Core and who can be hands on with coding as well as be the Technical Lead of a small development team. This role is more focused on Technical Leadership, Mentoring and Software Development, rather than people management and team leading.

This role is paying up to £75k (depending on experience) and is on-site full-time.

Skills needed for this role:

• 8 plus experience in C# using .NET Framework (4.8+ - ASP.NET MVC, ASP.NET Web API and Web Forms, Windows Services)
• Experience in using .NET 8 (Razor, Razor Pages, Web API)
• Experience in working with ORMs (Entity Framework/Entity Framework Core preferred)
• Intermediate level experience using Source Control (GIT preferred)
• Intermediate level experience in using and coding SQL Server, Stored Procedures and T-SQL
• Experience in working in a collaborative commercial development environment
• Experience with configuring Windows Server and IIS

This role is 5 days a week in the office.

If this sounds like it might be of interest, then please apply with your CV!

Senior Software Developer
Spectrum IT Recruitment
Southampton
Hybrid
Senior
£65,000 - £70,000
RECENTLY POSTED
+4

C#, ASP.Net, Azure, REST API’s

Hybrid - 2 days per week in the Southampton Office

Join a global tech leader where innovation, high performance, and career growth are at the heart of everything they do. This is your chance to make a real impact as a Software Developer, working on mission-critical systems in a cutting-edge environment.

This is great opportunity to join a global business, benefiting from corporate benefits, continuous professional development and an opportunity to work on large programmes of work in public and private sectors.

Skills Required:

  • Solid experience developing ASP.NET web applications in C# using Visual Studio/Visual Studio Code
  • Experience creating RESTful APIs and ensuring API extensibility
  • Cloud experience (Azure, AWS)
  • Azure DevOps
  • Experience of unit and automated testing using tools such as NUnit, Jasmine and Selenium
  • Good knowledge of SOLID principles

Desirable Skills:

  • Containers (docker, K8s)
  • Security best practice (OWASP top ten)
  • OpenIDConnect/Identity server
  • Micro service architecture
  • MS SQL Server
  • Azure DevOps, TeamCity
  • Infrastructure as Code (Bicep, ARM templates, Terraform)

Benefits

Medical Cover

Death in Service

Hybrid Working

Shopping Vouchers

GP Helplines

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

Lead Full Stack Software Developer
Spectrum IT Recruitment
Multiple locations
Hybrid
Senior
£80,000 - £100,000
RECENTLY POSTED
+2

Technical Lead Full Stack Developer

(TypeScript, JavaScript, Node)

Location: Hybrid working within Hampshire / West Sussex
Salary: Competitive + benefits

We’re working with a fast-growing UK SaaS technology company that builds data-driven digital products used by commercial teams to better understand and engage with their customers. They are now looking for an experienced technical lead full stack developer to play a key role in shaping and delivering their next generation of customer-facing platforms.

This is a hands-on technical leadership role where you’ll be involved from early design through to production delivery, working with a modern cloud-based stack and deploying to live environments on a daily basis.

The Role

Lead technical delivery across a high-performing development squad (10+)
Contribute to solution design, system architecture and domain modelling
Build proof-of-concepts and spike complex or uncertain areas of work
Break down requirements into deliverable epics and user stories alongside product and initiative managers
Develop and deliver production-ready code across the full stack
Ensure high standards of quality, maintainability, performance and security
Support and improve live systems once deployed
Influence technical direction, tooling and best practice across the wider engineering functionTech Environment

You’ll work with a modern stack including:

Node.js microservices
JavaScript & TypeScript
Vue.js
Redis, SQL Server & Snowflake
AWS cloud infrastructure
CI/CD pipelines and DevSecOps practices About You

Strong full stack development experience (ideally 10+ years)
5+ years of JavaScript and TypeScript experience
Solid background in system design and scalable architectures
Experience building large, production SaaS platforms
A clean-code mindset (SOLID principles, design patterns, testable code)
Experience working in mature CI/CD and continuous deployment environments
A commercial mindset when designing and delivering software
Excellent collaboration skills and confidence working with stakeholders
Interest in using AI to accelerate and improve software development
A passion for performance, security and engineering best practice
Degree in Computer Science or equivalent real-world experienceWhat’s On Offer

Competitive salary and benefits package
Hybrid working (1 day per week in the Fareham office)
Opportunity to join a scaling UK SaaS business
Strong engineering culture with a focus on quality and continuous improvement
Supportive, collaborative working environment
Community and charity initiatives, including volunteer daysSend your CV across to me on email (url removed) or call (phone number removed) for more information.

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy

Software Engineer
Matchtech
Portsmouth
Hybrid
Graduate - Junior
£50,000 - £70,000
RECENTLY POSTED

About the Role:
We are seeking talented Software Engineers at various experience levels to join our UK-based software development team. The successful candidates will design, implement, and maintain high-quality software solutions in an agile environment. You will work primarily in C++ using modern tools and open source frameworks, contributing to innovative software for advanced navigation and important systems.

Key Responsibilities:

Capture and evaluate technical requirements, estimating delivery timescales and milestones.

Design, implement, and maintain software across back end, communication infrastructure, and client-server applications.

Develop front-end graphical user interfaces.

Conduct software testing, including unit tests and simulations; document results.

Evaluate and recommend new technologies, tools, and processes to maintain high standards of software quality.

Collaborate with team members and stakeholders to ensure timely delivery of projects.

Essential Skills & Experience:

Proficiency in C++ and object-oriented programming.

Strong debugging, fault isolation, and problem-solving abilities.

Knowledge of data structures, algorithms, and software design patterns.

Experience with code configuration management systems (e.g., Subversion).

Understanding of network programming, data serialization, and database design/administration.

Front-end UI design and development experience.

Familiarity with component-based development concepts (e.g., SOA, UI plugins).

Ability to develop communication links to third-party sensors or software applications (e.g., cameras, radar trackers).

Effective collaboration within agile (SCRUM) teams; ability to work with initiative.

Commitment to continuous learning and keeping up to date with new technologies.

Desired Technologies:

C++, Qt Framework, QML, STL, XML, ACE, POCO, GStreamer.

Network programming (UDP/TCP).

PostgreSQL or similar database systems.

Cross-platform build tools (MPC, CMake).

Operating systems: Windows, Linux.

Experience with publish-subscribe middleware architectures such as DDS.

Education:

Degree in Computer Science or a related technical field.

Benefits:

Salary range: £50,000-£70,000 per year.

Company pension and life assurance.

Private medical insurance.

25 days annual leave plus public and bank holidays.

Flexible working hours and hybrid/remote options.

Professional development and training opportunities.

Flexible benefits including electric vehicle, cycle-to-work scheme, and tech vouchers.

Option to trade up to 5 days of annual leave

Senior Software Engineer
STSdefence
Gosport
In office
Senior
Private salary
RECENTLY POSTED

The Senior Software Engineer will work within the Systems and Software team in the Programmes area of STS Defence, developing and maintaining software throughout the Software Development Lifecycle from requirements elicitation, through to in service delivery.

The post will provide technical leadership on software projects for key stakeholders and on software development activities undertaken by the company. This includes responsibility for managing code and quality reviews to ensure relevant quality standards are met across the software team.

The Senior Software Engineer will also assist in support of wider business objectives exploring new technologies for product creation, development and R&D to grow our software development capability stream; and provide support to existing software projects as required.

Duties:

Senior Software Engineer responsible for co-ordination of day to day software development in a small team

Designing and implementing software changes through change control process as part of spiral development.

Continuous improvement of Software Engineering capabilities, maintaining a leading edge capability

Leading the planning, delivery and assurance of software work packages and ensuring software engineering process and best practice followed

Oversight, direction and guidance to the allocated project team members, through the planning and delivery of installation tasks and projects

The provision of software engineering technical input into bid preparation and contracts

Ongoing review and improvement of policies, standards and procedures for software engineering activities

Support project software requirements including supporting customer and other stakeholder meetings as required

The exploitation of opportunities for further business development

Skills/Qualifications:

Degree Qualified (BSc or equivalent) in Software Engineering, Computer Science or equivalent experience

Experience with C++, C#, Java, and web development (HTML, CSS, JS, etc.)

Exposure to other embedded development (Linux, bash/shell scripting, terminal command-line scripts, Qt/QML)

Strong experience architecting cradle-to-grave software solutions including Technology Readiness level (TRL) process.

Proven track record with creating and maintaining servers, primarily those with versioning control, Bugzilla, project management capabilities and automated testing capabilities

Strong experience of software development lifecycle processes, ensuring both a quality of process and firm traceability from requirements to implementation

Experience of creating and managing cloud-based big data solutions desirable

Proven track record of working collaboratively with a diverse range of internal and external stakeholders

Additional Information

All candidates must be in a position to obtain UK security clearance to SC level, with further security clearance to DV level desirable. Additional restrictions may apply on certain defence programmes

All candidates will be required to adhere to STS Defence core values.

TPBN1_UKTJ

Senior Software Developer
Spectrum It Recruitment Limited
Southampton
Hybrid
Senior
£70,000
+4

Software Developer

C#, Asp.Net, Azure, REST API’s

Hybrid - 2 days per week in the Southampton Office

£65,000 - £70,000

Join a global tech leader where innovation, high performance, and career growth are at the heart of everything they do. This is your chance to make a real impact as a Software Developer, working on mission-critical systems in a cutting-edge environment.

This is great opportunity to join a global business, benefiting from corporate benefits, continuous professional development and an opportunity to work on large programmes of work in public and private sectors.

Skills Required:

Solid experience developing ASP.NET web applications in C# using Visual Studio/Visual Studio Code

Experience creating RESTful APIs and ensuring API extensibility

Cloud experience (Azure, AWS)

Azure DevOps

Experience of unit and automated testing using tools such as NUnit, Jasmine and Selenium

Good knowledge of SOLID principles

Desirable Skills:

Containers (docker, K8s)

Security best practice (OWASP top ten)

OpenIDConnect/Identity server

Micro service architecture

MS SQL Server

Azure DevOps, TeamCity

Infrastructure as Code (Bicep, ARM templates, Terraform)

Please apply now or contact for more info

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

TPBN1_UKTJ

Senior Software Engineer- GCS
Insignis
Multiple locations
In office
Senior
Private salary

JOB DESCRIPTION

Job title: Senior Software Engineer - GCS

Location: Fareham, Hampshire

Responsible to: Principal Engineer - GCS

Liaison with: All Kraken staff, sub-contractors, customers, and suppliers

About the role: To work on the development of user-facing Ground Control Station (GCS) software designed to enable operators to remotely control and monitor autonomous vehicles beyond visual line-of-sight. This role focuses on developing robust, intuitive interfaces using C++, Qt, QML, and JavaScript, while also incorporating modern UX principles and thorough testing methodologies.

You will be responsible for designing, implementing, and optimising user interfaces that must enable operators to navigate complex tactical situations without overwhelming them. You will be expected to run UI experiments with our in-house team of operations experts and with key customers to determine critical software requirements. You should be comfortable handling complex workloads across R&D, prototyping, and mission-critical production deployments.

Primary responsibilities include, but are not limited to:

  • Work on the design and development of user-facing GCS software for autonomous vehicle monitoring and control.
  • Build and maintain user interface software using C++, Qt, QML, and JavaScript.
  • Engage with operators to gather requirements, validate usability, and refine user experience.
  • Develop prototypes and storyboards to capture user requirements and iterate on design concepts.
  • Ensure software robustness through rigorous testing, validation, and performance optimization.
  • Collaborate with cross-functional teams, including autonomy and hardware engineers, to integrate software solutions.
  • Document and maintain codebases with a focus on readability, scalability, and maintainability.
  • Provide technical leadership and mentorship to junior developers.

PERSON SPECIFICATION

Essential qualifications, skills and experience:

  • Extensive experience in C++ and Qt, ideally including QML and JavaScript.
  • Strong understanding of user interface design principles, particularly for mission-critical systems.
  • Experience defining software requirements, developing architectures, and producing robust implementations.
  • Proficiency in software testing methodologies, including unit testing, integration testing, and user acceptance testing.
  • UI testing techniques, including automated testing, usability testing, and end-to-end testing, is highly desirable.
  • Strong communication skills and the ability to interact effectively with end-users to gather requirements.
  • Proven ability to work independently and manage complex workloads effectively.

Desirable qualifications, skills and experience: as above but not essential for the role

  • Experience with storyboarding and UX design software (e.g., Figma, Sketch, Adobe XD).
  • Prior experience working in remote control systems, robotics, or defence-related industries.
  • Knowledge of the maritime environment, nautical charts, or survey software.
  • Familiarity with HTML/CSS and WebSockets.
  • Familiarity with cloud-based systems, containerization

Key behaviours that align with our commitment to excellence, collaboration and efficiency within the workplace:

  • To be punctual and manage workload effectively to meet deadlines and priorities
  • Clearly convey ideas and information while actively listening to others
  • Work well with colleagues to achieve common goals and support team members as needed
  • Identify issues and develop practical solutions in a timely manner
  • Maintain a high standard of conduct, respecting confidentiality and addressing challenges respectfully
  • Ensure work is accurate, thorough and free from errors through careful review
  • Take ownership of tasks, following through on commitments
  • Maintain professionalism in client interactions

General accountabilities and responsibilities:

  • To use personal judgement and initiative to develop effective and constructive solutions to challenges and obstacles in day-to-day activities and procedures within the specified role
  • To maintain personal ability in, and appropriate use of, all relevant IT (Information and Technology) and other systems required to adequately perform the role
  • To act ethically, with integrity and in the best interest of the business at all times
  • To maintain a professional and supportive relationship with team members and other departments to deliver business objectives or deadlines
  • To carry out any other duties as detailed by a member of the senior management team or authorised representative
  • To keep good time management to minimise any wasted time and maximise productivity and effectiveness

Health & Safety responsibilities:

  • To ensure that the working area is a clean and a safe environment in compliance with the best practice and health and safety policies
  • To ensure any equipment used is safe, within electrical test date and all guards and interlocks are working and in place
  • To act safely and responsibly in line with company processes and Health and Safety procedures to ensure your safety and the safety of others
  • To report any potential Health and safety hazards or violations to your line manager or directly to the QHSE Manager
  • To ensure any PPE or work wear required or provided for the job is worn and checked regularly for wear and then reported when replacements required
Software Engineer
Select Engineering
Southampton
In office
Mid
£40,000 - £50,000
+4

PLEASE NOTE: Sponsorship or PSW Visas are not suitable for this role. Who we are: \* Our products are in use across all forms of entertainment from the largest of world tours to the smallest of nightclubs. \* We build products which inspire creativity and enable lighting designers to create the shows you will have seen at festivals, concerts & on TV. We produce market leading lighting control hardware and software solutions and develop lighting networking hardware for permanent and temporary applications. \* We Develop a wide range of software from embedded firmware, UI applications to mobile apps, primarily using C++. \* We are a friendly group of around 50 team members based here in Southampton and part of a wider group which employs over 350 people with offices in Nottingham, Miami, California, Mexico, Paris, and Belgium. We work closely together to embrace challenges and seek ways to innovate and enhance our products for the ever-evolving entertainment industry. About the Role: \* We are seeking a Software Engineer to join our ambitious and growing team and help us build software for a range of platforms including PCs and mobile devices. \* We have a small but growing R&D team based in Southampton and our engineers are involved in the full software development life cycle, from conception to deployment. Main Responsibilities: \* Design, develop and support solutions for our bespoke products. \* Design and develop our applications user interface. \* Assist in maintaining our CI build system for our software, building for a range of platforms including Windows, macOS, Linux, Android, iOS and bare metal micro-controllers. \* Create high and low-level software design using recognised methodologies. \* Produce documentation including requirements, change notes and user manuals. \* Prepare and implement suitable test strategies. \* Assist the support team with troubleshooting technical issues, developing and implementing corrective actions as needed. \* Share knowledge and learning with other members of the software team. Essential Skills: \* At least 3 years professional experience in Software Engineering. \* Experience developing in C++. \* An understanding of how modern complex C++ applications are compiled and built. \* Excellent communication, technical & problem-solving skills. \* Using build and CI tools such as CMake, GitLab, vcpkg and Docker. Desirable Experience: \* Knowledge or experience of developing in Qt. \* Experience of networking, USB and implementing communication protocols. \* Using source control and CI systems such as GitLab, Git or Atlassian tools. \* Agile/Scrum development process experience. \* Experience of working in a Linux OS. \* Working with stage lighting and lighting control products. What we offer: \* We also offer a 35-hour work week (9 am to 5 pm Monday to Friday) with an hour for lunch and although we hope you never need it, we also include BUPA company healthcare. On top of this, we also offer a company pension. Plus, free tea and coffee and regular Curries! If this job is of interest to you and you have the experience required, APPLY NOW! We will process your CV and personal information to assess your suitability for the role. If we wish to consider you further, we will register your personal information in our database and contact you. We may contact you from time to time about other relevant roles. Your personal information will be securely held. For more information, please refer to our privacy notice, a copy of which can be found on our website. – Select Engineering Limited

Software Engineer
TUV SUD Limited
Fareham
Hybrid
Junior - Mid
Private salary

At TÜV SÜD we are passionate about technology. Innovations impact our daily lives in countless ways, and we are dedicated to being a part of that progress. We test, we audit, we inspect, we advise. We never stop challenging ourselves for the safety of society and its people. We breathe technology, we strive for professional excellence, and we leave a mark. We take the future into our hands. We are TÜV SÜD.

Please note the working pattern for this role is In-office, full time for the first 3 months, after up to 2 days per week remote available.

Role Overview

As an Innovations engineer you will be helping maintain and develop software-based solutions to business problems in a small team of full-stack software engineers. These solutions will be aimed at ensuring TUV SUD is well placed to deliver future services in a timely, efficient and competitive manner. You will be supporting and developing tools that will be used internally to support the business as we push to digitize and automate our internal processes. As part of the Innovations Team, you will liaise with various parts of the business to support existing applications and provide new and innovative software solutions for internal company usage. You will be expected to input on software requirements, software implementation and propose effective solutions.

Duties and Responsibilities

* Writing Visual Basic/.NET software to support and update a key legacy application used across the business.

* Writing C#/.NET software to automate manual processes and help improve efficiencies across the business.

* Functioning as a full-stack developer, working within a small team that is delivering both front-end and back-end software.

* Contributing to the design of Innovations projects.

* Participating in and contributing to Innovations practices such as Agile ceremonies and trainings.

* Automation of data collection, analysis and reporting using databases (SQL and MongoDB).

* Code sharing within the Innovations Team to speed up development process.

* Training for Service Line employees in areas where new software tools have been deployed by the Innovations team.

* Produce and prove solutions in concept with working prototypes.

* Provide regular updates on project progress.

* Track project progress using DevOps.

Essential Criteria:

* HND (or higher) or equivalent qualification in Engineering or equivalent experience.

* Demonstrable professional experience in software engineering, with experience with C#, VB and .NET.

* Experience with SQL, preferably T-SQL.

* Experience with MongoDB.

* Experience with both front- and back-end development.

* Ability to develop a working software solution in a team environment from concept to finished product.

* Team player, maintaining a high level of accuracy and attention to detail, good communication skills at all levels.

* Self-motivated with a desire to learn new skills and make a business impact.

Desirable Criteria:

* SQL Server experience, preferably using stored procedures.

* Experience using Azure DevOps in an Agile team.

* Experience with Agile ceremonies.

* Knowledge of Radio Frequency techniques and technologies.

* Experience with controlling RF test equipment and positional controllers.

* Strong communication skills and ability to communicate technical problems and potential solutions clearly to non-technical staff

Further Information

TÜV SÜD in the UK offers a competitive salary and benefits package that includes a minimum of 33 days holiday entitlement (for full-time employees, including public holidays), a contributory Group Personal Pension Plan and a non-contributory Group Life Assurance Scheme. We also offer various Salary Exchange/Sacrifice schemes (buying/selling holiday, cycle to work scheme, pensions), incentive schemes and comprehensive wellbeing support (Employee Assistance Programme, Dental Scheme and Occupational Health services). Dependent on their role, employees may also be eligible for hybrid/permanent homeworking, a Company Car/Car Allowance and Private Medical Insurance.

At TÜV SÜD, we have employees from more than 100 different countries collaborating together. People of different backgrounds, skills, and pursuing different life goals. Our strength comes from these countless and varied perspectives.

We are committed to be an inclusive and diverse workplace by welcoming people of all backgrounds. We want Diversity & Inclusion (D&I) to be a foundation of our company and create an environment where all our employees can trust they will be treated with respect, regardless of gender, nationality, ethnic background, faith, beliefs, disabilities, age, sexual orientation, or identity. As such, our employees are expected to behave at all times in a manner consistent with TÜV SÜD Code of Ethics and Company values.

We firmly believe embedding D&I in the heart of what we do will inherently contribute to the success of TÜV SÜD. Click here to find out more about Diversity at TÜV SÜD

Senior Software Engineer (C++/Qt)
Codan
Whiteley
Hybrid
Senior
Private salary

About Us

DTC A Codan Company is a technology company based in Whiteley, Hampshire.

We specialise in the research and development of wireless and critical RF communication systems.

Our Engineers work at the edge of what is scientifically possible, developing secure, high reliability systems used in real world, mission critical environments.

Our technology is deployed nationwide by UK law enforcement and internationally across military, defence and government markets, enabling secure video, data and communications across complex networked environments.

About the Role

At DTC, our Software Engineers enjoy a varied role with a steady stream of challenging projects to work on.

As a Senior Software Engineer within our Applications Team, you will lead the design, development and maintenance of complex desktop and mobile applications that underpin our product portfolio across multiple sectors.

You will work across the full product lifecycle, shaping requirements, defining scalable architectures, and delivering secure, high integrity software used in operational environments.

The role combines enhancement of established, nationally deployed platforms with the development of new products and capabilities, particularly within emerging military applications.

You will develop in modern C++ and Qt across multiple platforms, collaborate closely with embedded, hardware and RF engineers, and contribute to a culture of technical excellence through code reviews, mentoring and continuous improvement.

This is a hands on, engineering led role based on site in Whiteley, working within the Applications Team and closely with the Embedded and Hardware Team. Informal flexibility is available, but regular on-site presence is essential.

What We re Looking For

  • Strong proficiency in modern C++ and Qt
  • Experience developing secure, high integrity application software
  • Multi-platform experience across desktop and mobile environments
  • Experience with IP networking, secure communications and database technologies
  • Confidence working within complex, hardware integrated systems

Experience within defence, military, video or networked communication environments would be highly beneficial

Why Work at DTC

We celebrate and recognise success, take pride in our culture, and enjoy working alongside highly skilled colleagues on technology that has genuine operational impact.

You will work on secure systems that are nationally deployed, safety critical and used in real world scenarios, while helping shape the next generation of applications within our growing portfolio

Interested in finding out more? Click apply today and we will contact suitable candidates for an informal discussion.

Successful applicants will need to be willing and eligible to obtain UK Security Clearance.

Senior Software Developer
Spectrum IT Recruitment
Southampton
Hybrid
Senior
£65,000 - £70,000
+4

Software Developer

C#, Asp.Net, Azure, REST API’s

Hybrid - 2 days per week in the Southampton Office

65,000 - 70,000

Join a global tech leader where innovation, high performance, and career growth are at the heart of everything they do. This is your chance to make a real impact as a Software Developer, working on mission-critical systems in a cutting-edge environment.

This is great opportunity to join a global business, benefiting from corporate benefits, continuous professional development and an opportunity to work on large programmes of work in public and private sectors.

Skills Required:

  • Solid experience developing ASP.NET web applications in C# using Visual Studio/Visual Studio Code
  • Experience creating RESTful APIs and ensuring API extensibility
  • Cloud experience (Azure, AWS)
  • Azure DevOps
  • Experience of unit and automated testing using tools such as NUnit, Jasmine and Selenium
  • Good knowledge of SOLID principles

Desirable Skills:

  • Containers (docker, K8s)
  • Security best practice (OWASP top ten)
  • OpenIDConnect/Identity server
  • Micro service architecture
  • MS SQL Server
  • Azure DevOps, TeamCity
  • Infrastructure as Code (Bicep, ARM templates, Terraform)

Please apply now or contact (url removed) for more info

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

Lead Full Stack Developer
Spectrum IT Recruitment
Winchester
Hybrid
Senior
£90,000 - £100,000
+1

(TypeScript, Vue, Node)

Location: Hybrid - 1 day per week onsite
Salary: 90,000 - 100,000 + benefits

We’re working with a fast-growing UK SaaS technology company that builds data-driven digital products used by commercial teams to better understand and engage with their customers. They are now looking for an experienced Technical Lead Full Stack Developer to play a key role in shaping and delivering their next generation of customer-facing platforms.
This is a hands-on technical leadership role where you’ll be involved from early design through to production delivery, working with a modern cloud-based stack and deploying to live environments on a daily basis.

The Role

  • Lead technical delivery across a high-performing development squad (10+)
  • Contribute to solution design, system architecture and domain modelling
  • Build proof-of-concepts and spike complex or uncertain areas of work
  • Break down requirements into deliverable epics and user stories alongside product and initiative managers
  • Develop and deliver production-ready code across the full stack
  • Ensure high standards of quality, maintainability, performance and security
  • Support and improve live systems once deployed
  • Influence technical direction, tooling and best practice across the wider engineering function

Tech Environment
You’ll work with a modern stack including:

  • TypeScript
  • Node.js microservices
  • Vue.js
  • Redis, SQL Server & Snowflake
  • AWS cloud infrastructure
  • CI/CD pipelines and DevSecOps practices

About You

  • Strong full stack development experience (ideally 10+ years)
  • 5+ years of TypeScript experience
  • Solid Node.js Experience
  • Background in system design and scalable architectures
  • Experience building large, production SaaS platforms
  • A clean-code mindset (SOLID principles, design patterns, testable code)
  • Experience working in mature CI/CD and continuous deployment environments
  • A commercial mindset when designing and delivering software
  • Excellent collaboration skills and confidence working with stakeholders
  • Interest in using AI to accelerate and improve software development
  • A passion for performance, security and engineering best practice
  • Degree in Computer Science or equivalent real-world experience

What’s On Offer

  • Hybrid working (1 day per week in the office)
  • Opportunity to join a scaling UK SaaS business
  • Strong engineering culture with a focus on quality and continuous improvement
  • Supportive, collaborative working environment
  • Community and charity initiatives, including volunteer days

Interested in learning more?
Apply now or contact us for a confidential discussion about the role and company - (url removed)

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

Developer
Deerfoot Recruitment Solutions Limited
Southampton
Hybrid
Junior - Mid
£45,000 - £55,000

Software Developer (NodeJS) Southampton (Hybrid - 1 day on-site) Up to £55,000 | Full-time | Permanent

Join a fast-growing global B2B company following a successful year. Known for a positive culture and strong staff retention, they offer genuine career progression and exciting project work.

The Role:

  • Develop web applications and REST APIs using NodeJS, JavaScript, and MySQL
  • Support cloud infrastructure (AWS desirable)
  • Troubleshoot production issues
  • Collaborate across teams to deliver business solutions
  • Maintain high standards of code quality and security

Requirements:

  • Proven Server Side development experience
  • NodeJS and SQL skills
  • Cloud/AWS experience beneficial
  • Strong communication and teamwork skills

Benefits: 26 days holiday + bank holidays, private healthcare, enhanced pension, car discounts, wellbeing support, training and progression.

Apply now to take the next step in your development career

Deerfoot Recruitment Solutions Ltd is a leading independent tech recruitment consultancy in the UK. For every CV sent to clients, we donate £1 to The Born Free Foundation. We are a Climate Action Workforce in partnership with Ecologi. If this role isn’t right for you, explore our referral reward program with payouts at interview and placement milestones. Visit our website for details. Deerfoot Recruitment Solutions Ltd is acting as an Employment Agency in relation to this vacancy.

ERP Developer
Eclipse IT Recruitment
Southampton
Fully remote
Junior - Mid
£35,000 - £65,000

Are you a Business Management Software specialist?

Do you have any of the following ERP systems experience?

ODOO, SAP, Salesforce, or NetSuite?

Our clients are now actively looking for a highly motivated person who is looking to get stuck in. These roles would be suitable to an individual wanting to take their next steps in an ERP systems career.

Your work location would be remote based.

Salary between 35000 to 65000 depending on your experience.

We are in search of a dynamic developers to join and contribute to the growth of the business. The chosen developers will be tasked with designing, creating, and maintaining solutions for their clients. Collaborating with a team of project managers and technical leads, the developer will play a key role in delivering high-quality solutions that align with client specifications, meeting deadlines, and staying within budget.

This presents an excellent chance for individuals seeking to immerse themselves in a new environment and industry.

The ideal candidate should possess a proactive mindset and exhibit entrepreneurial thinking. They should excel in adhering to strict timelines and objectives, providing insightful analysis on new initiatives. Ultimately, the candidate will contribute to ensuring our company’s success in achieving both immediate and long-term business goals.

Their team of subject matter experts customises each implementation to optimise results for their clients based on their unique business requirements.

Join them in this opportunity to be an integral part of our impactful journey.

In alignment with their daily activities and functions, this individual will be assigned specific responsibilities tailored to their skill set and expertise within their role, as well as the essential requirements and needs of the department.

Key Responsibilities:

  • Formulate, create, and uphold solutions
  • Contribute to the development of modules, extensions, and integrations
  • Play a role in the entire software development cycle
  • Collaborate with managers, technical leads, and fellow developers
  • Identify and resolve issues through troubleshooting and debugging
  • Stay informed about the latest feature releases
  • Participate in code reviews to ensure adherence to best practices
  • Assist the implementation team
  • Support the exploration and development of ideas proposed by the Head of Services
  • Provide ongoing support and maintenance

Qualifications:

In addition to the roles and responsibilities integral to the position, candidates must meet the following requirements, showcasing skills and qualifications to confirm suitability for the role.

  • Minimum of two years’ experience in development
  • Profound knowledge of ERP platforms and their functionalities
  • Comprehensive understanding of ERP framework and its modules
  • Proficiency in Python and PostgreSQL
  • Solid grasp of data modeling and data management
  • Robust problem-solving and troubleshooting capabilities
  • Effective written and verbal communication skills
  • Bachelor’s degree in computer science or a related field
  • Experience with Agile development methodologies is advantageous

Core Skills

The candidate must have the following soft-core skills to be a great fit for the role.

  • Excellent communication and presentation skills (written & oral)
  • Critical thinking
  • Innovative, proactive and enthusiastic
  • Amazing organisation skills and detail-oriented
  • The ability to meet strict deadlines under pressure
  • Passionate about Odoo, and want to always deliver
  • Having the agility to multi-task across a given time period
  • An interest in technology
  • Can work both in a team or as an individual
  • Fluent in another language (not essential but desirable)
Software Developer
Spectrum IT Recruitment
Portsmouth
Hybrid
Junior - Mid
£45,000 - £50,000
+3

4 Days per week in the Portsmouth Office

C#, .Net Core, VueJS, Typescript
45,000 - 50,000

Software Developer required to join a progressive and leading company within the automotive industry.

As a Software Developer you will help to transform the whole digital product suite. They want to take an API first approach and build this out in .NET. and new front ends in Vue.Js.

You will be working on some greenfield projects and using best practice engineering processes and approaches, and driving the capabilities of the platform, ensuring continuous product improvement.

Skills Required:

  • C#
  • .Net Core
  • Typescript
  • Experience in VueJS (Preferable), React, Angular.
  • MS SQL Server / T-SQL
  • Experience with modern CI/CD pipelines highly desirable
  • Understanding of Design Patterns, OOP, SOLID, and Clean Code a must

If you have the relevant skills for this role and are ready for the challenge then please send your CV to (url removed)

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

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Frequently asked questions
Portsmouth offers a variety of Full Stack Engineer roles, including positions in startups, tech firms, and established companies focusing on web development, software engineering, and cloud-based solutions.
Employers typically seek expertise in JavaScript (React, Angular, or Vue), backend technologies like Node.js, Python, or Java, experience with databases such as SQL or NoSQL, and familiarity with DevOps tools and version control systems like Git.
Yes, many companies in Portsmouth offer remote or hybrid Full Stack Engineer positions, providing flexibility while allowing you to work with local or international teams.
Salaries vary depending on experience and company size but generally range from £35,000 to £60,000 per year for mid-level engineers, with senior roles offering higher compensation.
Simply browse available Portsmouth Full Stack Engineer listings on Haystack, create a profile, upload your CV, and apply directly through our platform. You can also set up job alerts to receive notifications about new relevant roles.