1 to 25 of 40 Senior Software Engineer Jobs in Wales

Senior Embedded Software Engineer Location: Reading (Hybrid - typically 3 days onsite) Salary: £90,000 Employment Type: Full-time, permanent Right to Work: Full, unrestricted right to work in the UK required I'm currently working with a well-established technology business that develops secure, mission-critical … embedded systems used in safety-focused environments. On their behalf, I'm looking to hire an experienced Senior Embedded Software Engineer with strong Linux experience to play a key role in the design and development of robust, future-ready embedded software platforms. This is a senior ...

Senior Embedded Software Engineer Location: Reading (Hybrid - typically 3 days onsite) Salary: £90,000 Employment Type: Full-time, permanent Right to Work: Full, unrestricted right to work in the UK required I'm currently working with a well-established technology business that develops secure, mission-critical … embedded systems used in safety-focused environments. On their behalf, I'm looking to hire an experienced Senior Embedded Software Engineer with strong Linux experience to play a key role in the design and development of robust, future-ready embedded software platforms. This is a senior ...

Senior Software Engineer | Bristol | £60,000-£70,000 | Python | Rust Location: Bristol (hybrid) Salary: £60,000 - £70,000 + benefits Tech Stack: Backend: Python Frontend: Varied depending on product Cloud Systems: AWS or Azure or GCP Are you a Senior Software Engineer who wants … build technology that makes a difference? We are working with a software engineering organisation building modern applications that rely on strong fundamentals and thoughtful design. They work across multiple platforms and languages and need someone who enjoys solving non-trivial engineering problems with a clear head and methodical approach. ...

Senior Software Developer Location: Derby – On-site (5 days a week) Salary: Up to £55,000 Contract: Permanent A Senior Software Developer is required to join a delivery-focused Service Team working for a global name, maintaining and evolving live software systems that support client … technical standards, and team practices The client is moving quickly and is looking to speak to suitable candidates this week. If you are a Senior Software Engineer and want to step into a fast-moving transformation programme, please get in touch by either applying or emailing ...

Senior Software Developer Location: Derby – On-site (5 days a week) Salary: Up to £55,000 Contract: Permanent A Senior Software Developer is required to join a delivery-focused Service Team working for a global name, maintaining and evolving live software systems that support client … technical standards, and team practices The client is moving quickly and is looking to speak to suitable candidates this week. If you are a Senior Software Engineer and want to step into a fast-moving transformation programme, please get in touch by either applying or emailing ...

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 ...

Great place to Work’ for several years running. Due to a large amount of continued growth we’re looking to hire 4-5 Software Engineers within their tech agnostic engineering teams. The team work remotely so candidates based throughout the UK are welcome to apply but a Cardiff based … living and working within the UK. This is a fantastic time to join their product teams who have a wide range of technology products, software and services on offer. Being an experienced Engineer you will also contribute to a wide range of development projects whilst championing engineering excellence ...

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 ...

About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role involves mentoring junior engineers, collaborating with cross-functional teams, and driving the adoption of best practices in software development. Responsibilities Design, develop, and maintain complex software solutions, ensuring they are robust, secure, tested and scalable. Contribute to software architecture decisions, ensuring alignment with ...

Title: Senior Java Software Engineer Salary: £60,000 - £80,000 + package Location: Cardiff (onsite circa 2 days every other week) Clearance: Must be SC eligible CPS Group are looking for a Senior Java Software Engineer to join a highly skilled engineering team delivering … enterprise-scale solutions in an agile, collaborative environment based in Cardiff. You'll be working across the full software development lifecycle, applying a DevOps mindset and contributing to the design and delivery of high-quality, secure, and scalable applications. This is a hands-on role where you'll apply ...

organisation is developing high-performance RF and electronic systems used across telecoms, defence and advanced communications. The team are now looking for an Embedded Software Engineer to take a leading role in the design, development and optimisation of embedded software for complex hardware platforms, from early concept … closely with FPGA, digital and systems engineers, helping to manage, control and calibrate advanced RF platforms built on modern SoC architectures. For this Embedded Software Engineer role, we are looking for someone with: Strong experience developing bare-metal embedded software and bootloaders Hands-on experience with Xilinx ...

organisation is developing high-performance RF and electronic systems used across telecoms, defence and advanced communications. The team are now looking for an Embedded Software Engineer to take a leading role in the design, development and optimisation of embedded software for complex hardware platforms, from early concept … closely with FPGA, digital and systems engineers, helping to manage, control and calibrate advanced RF platforms built on modern SoC architectures. For this Embedded Software Engineer role, we are looking for someone with: Strong experience developing bare-metal embedded software and bootloaders Hands-on experience with Xilinx ...

Senior Software Engineer - .Net, Azure. - Contract £700 - 750pd UK, Remote | Contract Inside IR35 Only | 6 months January start. 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 to bring … 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 product engineering ...

Senior Software Engineer - .Net, Azure. - Contract £700 - 750pd UK, Remote | Contract Inside IR35 Only | 6 months January start. 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 to bring … 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 product engineering ...

Embedded Software Engineer (Contract/Flexible) – Outside IR35 We are a small but established engineering firm looking to engage an experienced Embedded Software Engineer on a flexible, non-committed, Outside IR35 basis. Our existing embedded software contact is no longer available … seeking a trusted, go-to embedded engineer to support our products and future developments on an ongoing basis. This role is ideal for an experienced contractor or freelancer who values autonomy, flexibility, and long-term collaboration without fixed hours or guaranteed workload. The Role Act as the primary embedded ...

Embedded Software Engineer (Contract/Flexible) – Outside IR35 We are a small but established engineering firm looking to engage an experienced Embedded Software Engineer on a flexible, non-committed, Outside IR35 basis. Our existing embedded software contact is no longer available … seeking a trusted, go-to embedded engineer to support our products and future developments on an ongoing basis. This role is ideal for an experienced contractor or freelancer who values autonomy, flexibility, and long-term collaboration without fixed hours or guaranteed workload. The Role Act as the primary embedded ...

Title: Senior Java Software EngineerSalary: £60,000 - £80,000 + packageLocation: Cardiff (onsite circa 2 days every other week)Clearance: Must be SC eligibleCPS Group are looking for a Senior Java Software Engineer to join a highly skilled engineering team delivering enterprise-scale solutions … agile, collaborative environment based in Cardiff. You'll be working across the full software development lifecycle, applying a DevOps mindset and contributing to the design and delivery of high-quality, secure, and scalable applications.This is a hands-on role where you'll apply strong technical expertise in Java ...

Senior Full Stack Engineer Remote (UK) | Full time London office available for optional in person collaboration We're looking for an experienced Senior Full Stack Engineer to join a small, highly skilled team building a next generation Financial Services Regulatory Compliance platform. This is a hands … Redis, and cloud platforms such as Azure, GCP, or AWS Experience working with data heavy or AI driven products is a bonus A proactive engineer who enjoys working in a small, fast moving team Tech stack Frontend: React, Next.js, TypeScript, Tailwind CSS Backend: Python (FastAPI) Database: MongoDB Caching & queueing ...

Senior Full Stack Engineer Remote (UK) | Full time London office available for optional in person collaboration We're looking for an experienced Senior Full Stack Engineer to join a small, highly skilled team building a next generation Financial Services Regulatory Compliance platform. This is a hands … Redis, and cloud platforms such as Azure, GCP, or AWS Experience working with data heavy or AI driven products is a bonus A proactive engineer who enjoys working in a small, fast moving team Tech stack Frontend: React, Next.js, TypeScript, Tailwind CSS Backend: Python (FastAPI) Database: MongoDB Caching & queueing ...

looking for an experienced Senior Python Software Engineer to take ownership of an established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This ...

looking for an experienced Senior Python Software Engineer to take ownership of an established trading-related application and drive its ongoing development. You will manage and enhance the existing codebase, deliver new features, ensure reliability and performance, and help evolve the system as the business grows. This ...

Senior Java Engineer – Actuarial Data Squad – Outside IR35 - Contract We're looking for a Senior Java Engineer to join a high-profile project focused on backend systems that automate complex financial and actuarial processes. This is a hands-on role delivering backend solutions under tight deadlines ...

Senior Java Engineer – Actuarial Data Squad – Outside IR35 - Contract We're looking for a Senior Java Engineer to join a high-profile project focused on backend systems that automate complex financial and actuarial processes. This is a hands-on role delivering backend solutions under tight deadlines ...

technology. If you love untangling hard problems, improving legacy systems, and shipping clean, tested code, you'll fit right in. Your role as a Senior PHP Software Engineer at True9: Lead the back-end - write clean, maintainable, and scalable code using PHP and frameworks like Symfony across ...