18 of 18 Permanent Senior Software Engineer Jobs in Wales

Senior Software Engineer – C++ Role : Senior Software Engineer Location : Powys/SY15Onsite/Hybrid role Salary: Up to £70k plus benefits JOB OPPORTUNITY! Our client is a specialist engineering/manufacturing company who operate globally.This role will have responsibility for designing and developing … software within an engineering and manufacturing setting using C++/C and embedded software. Senior Software Engineer role - Designing and developing software in C++/C for hard, real-time embedded products as well as products using real-time Linux. Writing and reviewing requirements ...

Software Engineer/C#/React/APIs/Software/Cardiff/Permanent/Hybrid/£50,000 - £60,000 Vivo Talent is working with a business that has huge growth plans for 2026. We're actively working with them to recruit multiple Software Engineers … that power real customer journeys. This is a genuine hands-on role with plenty of scope to influence technical decisions, shape how they build software and mentor junior engineers. If you enjoy solving complex problems, collaborating across teams and taking ownership of high-impact work, you'll feel right ...

Senior Software Engineer/Agentic AI and Machine Learning Conquer AI Location: UK based, remote friendly About Us! Conquer AI is a specialist AI consultancy and software engineering firm that helps enterprises reimagine critical processes using AI. We work with FTSE 100, FTSE 250, and Fortune … models. Everything we build has to be accurate, explainable, and able to stand up to scrutiny. The role! Conquer AI is looking for a Senior Software Engineers to join our senior engineering & delivery teams. This role is hands on and technical. You will be designing and building ...

Senior Software Engineer/Agentic AI and Machine Learning Conquer AI Location: UK based, remote friendly About Us! Conquer AI is a specialist AI consultancy and software engineering firm that helps enterprises reimagine critical processes using AI. We work with FTSE 100, FTSE 250, and Fortune … models. Everything we build has to be accurate, explainable, and able to stand up to scrutiny. The role! Conquer AI is looking for a Senior Software Engineers to join our senior engineering & delivery teams. This role is hands on and technical. You will be designing and building ...

Senior Software Engineer (Full Stack - Angular Focus) £55,000 - £65,000 + package Cardiff (onsite approx. twice per month) Eligible for Security Clearance (must have resided in the UK for the last 5 years) CPS Group are working with a leading organisation to recruit a Senior Software Engineer to join a highly skilled, collaborative engineering team delivering enterprise-scale solutions in an agile environment. This is a full-stack role with a strong emphasis on frontend development. You'll be working primarily with Angular, which is essential for this position, while also contributing ...

Senior Software Engineer Hybrid: Central Bristol Office 3 times per week. £60-£70,000+ We're hugely excited to be recruiting exclusively for a Senior Software Engineer, to join a Start Up-style team within a global, data-driven organisation. Think fast moving … performance. £60-£70,000 + | 8-12% bonus | Pension contributions doubled 6% = 12% We're looking for someone who's genuinely passionate about the Software Engineering core principles, but equally excited & curious about the AI landscape (don't worry if your back end skills outweigh your front ...

Senior Software Engineer Salary: Up to £75,000 Hybrid - 2 days a week in office (London/Brighton/Cardiff) Why join us? We work at the intersection of creativity, data, and cutting-edge technology to turn ideas into measurable impact. Our strength comes from diverse perspectives … puts people first. Backed by a global media and content network, we build tools that reach real audiences at scale. The role As a Senior Software Engineer, you'll design and build high-impact tools, automation, and platforms used across global media, SEO, paid media, and content ...

their projects. We use our platform to connect you with exciting contract opportunities and discuss projects on behalf of the companies we partner with. Senior Software Engineer - Staff Level Location: UK - remote Role: contract - 12+ months About the Role They're looking for a Senior Software Engineer to join their team, the engine that connects workers with short- and long-term opportunities. You'll play a key role in modernizing a critical platform, ensuring supply meets demand efficiently while maintaining high performance and reliability. This is a unique opportunity to work on a platform ...

Senior Embedded Software Engineer £70k - £80k | Newtown, Wales | Hybrid A leading industrial automation company is seeking a Senior Embedded Software Engineer to design and develop real-time embedded software for production products. Youll work end-to-end, from concept to deployment, with real … ownership and technical autonomy. Key Responsibilities Develop embedded C/C++ software for real-time systems and Embedded Linux Design and review software and system requirements Contribute to architecture, planning, and occasional technical project leadership Perform automated and manual software testing Mentor junior engineers and conduct code ...

About the Job This position is for a Senior Software Engineer with a minimum of 5 years of experience in backend development and a passion for building robust, scalable systems. We are looking for an engineer with a strong background in the C# .NET ecosystem … preference for candidates with significant experience on AWS. Are you ready for a challenge? We're looking for a dynamic software engineer excited to help scale a fintech start-up. Here, you won't be bogged down by legacy code—you'll have the opportunity to build innovative ...

About the Job This position is for a Senior Software Engineer with a minimum of 5 years of experience in backend development and a passion for building robust, scalable systems. We are looking for an engineer with a strong background in the C# .NET ecosystem … preference for candidates with significant experience on AWS. Are you ready for a challenge? We're looking for a dynamic software engineer excited to help scale a fintech start-up. Here, you won't be bogged down by legacy code—you'll have the opportunity to build innovative ...

Description Senior Software Engineer Hybrid Up to £80,000 + Benefits The Role Reporting to the Engineering Lead, you will drive the design of our core lending platform. We are looking for an engineer who understands modern, high-performance Python—not just scripting. You will architect ...

Senior Software Engineer - .Net, Azure. - Contract Fully Remote | Contract Inside IR35 Only | 6 months with extension £750pd+ | Start ASAP Curated is partnering with a global SaaS scale-up undergoing a significant platform modernisation and growth phase. The business is scaling multiple engineering teams and is looking … bring in highly experienced contract Software Engineers to support complex, high-impact delivery. This role is suited to senior engineers who enjoy working on large, evolving platforms, modern cloud infrastructure, and solving non-trivial technical problems in fast-moving environments. The Role You will join a cross-functional ...

Senior Software Engineer - .Net, Azure. - Contract Fully Remote | Contract Inside IR35 Only | 6 months with extension £750pd+ | Start ASAP Curated is partnering with a global SaaS scale-up undergoing a significant platform modernisation and growth phase. The business is scaling multiple engineering teams and is looking … bring in highly experienced contract Software Engineers to support complex, high-impact delivery. This role is suited to senior engineers who enjoy working on large, evolving platforms, modern cloud infrastructure, and solving non-trivial technical problems in fast-moving environments. The Role You will join a cross-functional ...

interaction using our stretchable‐sensor gloves to deliver high‐fidelity 3D hand articulation and gesture recognition across VR, XR, and AR platforms. As a Senior Software Engineer, you'll architect and implement the core software that transforms rich sensor data into real‐time, robust interaction models ...

adoption of AI in financial services accelerates, and we're now scaling our engineering organisation to meet that demand. Our engineering team includes experienced software engineers and PhD-level AI specialists, with strong ties to the University of Edinburgh, giving you access to exceptional expertise and opportunities for continuous … learning as part of the day-to-day work. The Role As a Software Engineer at Aveni, you'll be responsible for building and scaling the products that sit on top of FinLLM (the UK's first LLM for the Financial Services industry) and other LLMs, enabling financial ...

Senior/Lead Software Engineer – Fully Remote (UK) A global B2B SaaS technology business is building out its European engineering hub and is hiring multiple Senior/Lead Software Engineers (JavaScript) to develop and enhance a mission-critical platform used internationally. These are hands … individual contributor role with strong ownership — ideal for engineers who enjoy building high-quality software end-to-end and influencing technical direction (without people management). Tech Stack Frontend: React (JavaScript) Backend: Node.js (JavaScript) Cloud: AWS (Lambda, DynamoDB, CloudWatch) Architecture: Microservices + REST APIs Bonus: AG Grid/data ...

Senior/Lead Software Engineer – Fully Remote (UK) A global B2B SaaS technology business is building out its European engineering hub and is hiring multiple Senior/Lead Software Engineers (JavaScript) to develop and enhance a mission-critical platform used internationally. These are hands … individual contributor role with strong ownership — ideal for engineers who enjoy building high-quality software end-to-end and influencing technical direction (without people management). Tech Stack Frontend: React (JavaScript) Backend: Node.js (JavaScript) Cloud: AWS (Lambda, DynamoDB, CloudWatch) Architecture: Microservices + REST APIs Bonus: AG Grid/data ...