10 of 10 Senior Software Engineer Jobs in Wales

Senior Software Engineer – National Security - SC Clearable - Python - AWS Role: Senior Software Engineer Location: Bristol/Hybrid Work Clearance: SC Cleared/Eligible for SC Salary: £55,000 - £70,000 About the Role We’re seeking talented Senior Software Engineers with strong Python and AWS experience to join Agile delivery teams supporting … a range of complex and high-impact Central Government and Critical National Infrastructure projects. You’ll help design, develop, and deploy bespoke software solutions that deliver real-world mission value. You’ll gain hands-on experience across the full software development lifecycle — from concept through delivery — working with modern technologies and open-source tools in secure cloud environments. … What You’ll Do Design, develop, and test robust software solutions using modern engineering practices. Work with a range of open-source libraries, frameworks, and components. Build and maintain CI/CD pipelines using tools such as GitLab , ensuring code quality and security. Deploy software systems across public (AWS) and private cloud environments. Engage in all stages of More ❯

This role requires security clearance, and you will therefore require British citizenship or Dual UK nationality with British citizenship. An exciting opportunity for a Senior Java Software Engineer has arisen with a leading defence company, focusing on software development and delivery within the New Product Development team, based in Bristol. This is a great opportunity for … a Senior Java Software Engineer to lead the development and delivery of software requirements and design across the full software engineering lifecycle, working with a range of international teams and stakeholders. You will commit to an onsite working model, required onsite 5 days a week. Experience of the Senior Java Software Engineer will include: 3+ years of experience programming with Core Java, developing desktop applications Experience developing and managing software requirements throughout the full lifecycle, ensuring compliance with defined requirements Bonus: JavaFX If you are a Senior Java Software Engineer looking for an exciting new challenge with an award-winning top employer, please apply today to learn More ❯

Software Architect - Bristol (Hybrid role – typically 3–4 days on-site per week) Salary: Up to £80,000 DOE Security Clearance: British Citizenship The Opportunity: This is a fantastic opportunity for an experienced Software Architect , or a highly capable Senior Software Engineer ready to take the next step. You will be responsible for defining and … leading the software architecture for complex, safety-critical systems at the forefront of defence technology. Working in a collaborative, multi-disciplinary environment, you will help shape robust, secure and scalable software solutions that underpin next-generation weapon system designs. Key Responsibilities: • Define, document and own the full software architecture for major projects, from concept through to implementation. … manage design drivers such as real-time performance, safety, security, flexibility and reusability. • Produce derived and emergent requirements with clear rationale and traceability. • Collaborate closely with systems, hardware and software engineers to ensure technical alignment. • Contribute to long-term technology strategy, influencing tools, frameworks and architectural direction. What We’re Looking For: • Strong technical background in software design More ❯

Senior C++/Java Software Engineer Location: Bristol Salary: Circa £65,000 + Bonus Contract: Full-time | SC Eligible We’re looking for a talented C++ or Java Software Engineer to help develop high-performance applications used in mission planning, data visualisation, and human–machine interfaces (HMI/GUI) . You’ll be creating advanced … Windows environments, contributing to systems that make a real impact. Key Responsibilities: Design and develop mission planning and graphical applications using C++ or Java Build interactive HMIs/GUI software using Qt, Swing, or similar frameworks Develop native apps for Linux and Windows platforms Apply OS-level security lockdowns and system hardening techniques to devices Implement and maintain automated … testing to ensure software quality and reliability Work on GIS and visualisation tools to support operational decision-making Use mathematical and algorithmic problem-solving to optimise performance and reliability Collaborate across software, systems, and embedded teams to deliver high-quality solutions About You: Proven experience in C++ and/or Java development on long-term projects Knowledge of More ❯

be a certified Great Place to Work for over 25 years, with recognition for Women and Wellbeing. Our inclusive culture empowers everyone to Be You. The Role As a Senior Software Engineer at Admiral Money, your role will be to contribute to the varied development tasks undertaken by our technical product teams and champion technical excellence. You … reviews and development of best practices Ensure a suitable level of documentation is maintained Effective contribution to team activities including Scrum Events Commitment to the continual improvement of the software, the team, the discipline, and the business Collaborate with Product Owners, Scrum Masters, Architects and other stakeholders Support the growth of the discipline through coaching and mentoring Required Skills … Ability to work effectively as a member of a Scrum/Agile team Knowledge and awareness of accessibility standards and best practices Practical understanding of the importance of Secure Software Development practices Excellent written and verbal communication skills Desirable Skills/Experience Although not essential, we would be excited to speak to candidates who also have: Knowledge of other More ❯

and Wellbeing. Our inclusive culture empowers everyone to Be You. Need support during the recruitment process? Just let us know - we're here to help. The Role As a Senior Software Engineer at Admiral Money, you'll play a key role in driving innovation across our technical product teams. You'll contribute to a wide range of … reviews and development of best practices Ensure a suitable level of documentation is maintained Effective contribution to team activities including Scrum Events Commitment to the continual improvement of the software, the team, the discipline, and the business Collaborate with Product Owners, Scrum Masters, Architects and other stakeholders Support the growth of the discipline through coaching and mentoring What We7re … Ability to work effectively as a member of a Scrum/Agile team Knowledge and awareness of accessibility standards and best practices Practical understanding of the importance of Secure Software Development practices Excellent written and verbal communication skills Desirable Skills/Experience Although not essential, we would be excited to speak to candidates who also have: Knowledge of other More ❯

impact role? If this sounds like your kind of challenge, keep reading. Join a forward-thinking team driving innovation in the web experience space Our client is seeking a Senior Software Engineer (Frontend) who is passionate about delivering exceptional digital experiences. This is an exciting opportunity to play a key role in shaping a product used by … quality and continuous improvement. Grow alongside a passionate team where your input will help shape product direction and enhance user satisfaction. About you You are a curious and pragmatic engineer who thrives on building frontend applications that not only work well but offer a seamless user experience. In this role, you will: Work hands-on with Blazor WebAssembly , focusing … you do not tick every box but have relevant or transferable skills and a strong desire to learn, we still encourage you to apply. What’s on offer A senior-level engineering role with autonomy and technical influence A supportive team with clear opportunities for growth Flexible hybrid or remote working arrangements A competitive salary and benefits package The More ❯

Senior Embedded Software Engineer Cardiff 26959/580 £48,000 - £59,000 & Bonus, Healthcare plan and more Benefits Package: o £48,000 - £59,000 starting salary o Company bonus o Group Pension Scheme o Private Medical Scheme including Healthcare Cash Plan o Life Assurance x 4 annual salary o Critical Illness Cover o Income Protection Part of … this high-tech manufacturer has developed an enviable reputation for product quality and innovation. They are currently undertaking their next phase of recruitment and therefore require two experienced Embedded Software/Firmware Engineers to join their expanding business. Role & Responsibilities: * Working in a small, versatile team, you will be involved in product design and sustaining activities on a range … o At least 4 years experience in Firmware development o Good working knowledge of low programming languages (C/C#) and scripting and the ability to use standard development software: debuggers, editors, compilers. For further information please email (url removed) If you are interested in this position please click 'apply'. Hunter Selection Limited is a recruitment consultancy with More ❯

We are currently looking for a Senior Systems Engineer to join the Data Cloud team in our Cardiff Bay office. You will need to have demonstrable experience in Python and AWS cloud services.Candidates should take the time to read all the elements of this job advert carefully Please make your application promptly. Creditsafe Privately owned and independently minded … domain data to make recommendations to improve existing products. Write documentation of new processes and products to facilitate knowledge sharing. Managing, tracking and updating any work done within agile software development tools such as JIRA and Azure DevOps. Skills and Qualifications You write clean and efficient code and orchestrate it using AWS services. You have solid development experience within More ❯

Up to £65,000 + bonus & excellent benefits Clearance:British Citizen or Dual UK National with British citizenship Copello are working with a leading defence technology partner seeking aPrincipal Software Engineerto join theirNew Product Developmentteam, driving the next generation ofmission planning and control systems. The Role Youll lead the design and delivery of complex software solutions across the … full development lifecycle, collaborating with international teams and mentoring engineers within a dynamic, high-performing environment. What Youll Bring Strong proficiency inCore Javaand/orC++ Proven experience delivering complex software systems end-to-end Solid understanding of thesoftware development lifecycle Strong communication skills and stakeholder engagement experience Experience mentoring and developing junior engineers Benefits Include Up to More ❯