1 to 25 of 37 Permanent Software Engineer Jobs in Cardiff

Senior Embedded Software Engineer | £60-70k | Cambridge Are you a highly experienced Embedded Software Engineer with a passion for problem-solving across the full product lifecycle? My client developed highly precise scientific instruments & sensors, and has received several accolades for their work over their impressive … history that spans several decades. Responsibilities as a Senior Embedded Software Engineer: Design and develop bare metal, RTOS, and DSP algorithm embedded software using C/C++ on ARM Cortex MCUs Create production support software, like test jig interfaces and calibration tools Troubleshoot hardware issues, perform ...

C++ Software Engineer - Fully Remote - Up To £200k We're currently working with a global leader in software development, offering a fully remote position for a Senior Software Engineer specializing in C++. They are experiencing an exciting period of growth and are looking to bring … working independently Strong communicator If this does look like something that could be of interest please apply as interviews are being scheduled! C++ Software Engineer - Fully Remote - Up To £200k ...

Role: Software Engineer (.NET/C#) Working hours: 10am-6pm (aligned to US team)Fully Remote (UK-based)Salary: £50,000 - £60,000 p/annumCPS Group are partnering with a Data Consultancy to hire a Software Engineer to support their expanding US-facing development team. … US.This is a great opportunity to join a business that delivers complex data migration and transformation solutions for enterprise clients - combining modern software engineering with real-world data challenges.The Role:You'll work primarily on the backend, developing and enhancing a core enterprise migration platform built in .NET/ ...

About The Role Job Level: 10 UK Wide We are looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team of engineers on high-profile projects, ensuring best practices … followed, and driving continuous improvement in software development processes. You will collaborate closely with cross-functional teams, including product management and UX/UI, to ensure that our software solutions meet business and customer needs. You will be responsible for driving culture through your craft and be keen ...

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 ...

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, collaborative … 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 teams. ...

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 strong technical ...

Location: United Kingdom – Remote Touchstone Advisory, a leading UK independent valuation advisory firm, is seeking an exceptional Principal Software Engineer to lead the evolution of our proprietary valuation platform—from a proven proof of concept to a robust, market-ready product. This is a rare opportunity to take … ownership of a core product within a successful, fast-growing advisory business that prises innovation, autonomy, and impact. As the technical leader of our software function, you will shape the product, the engineering culture, and the long-term tech strategy. About the role: You will be both the hands ...

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 ...

Software Engineer Venture 2 Venture 2 is building the next generation of AI-enabled products. Our work spans one-to-many inference systems with applications in anti-piracy, heavy industry optimisation, and prediction markets. We operate as a hybrid venture studio: developing our own D2C and B2B products … skills in Python. · Basic understanding of AI/ML models and how they are trained, deployed, and run. · Familiarity/understanding with version control software (git). · Ability to work in a fast-moving environment with evolving priorities. · Curiosity, initiative, and willingness to learn new tools and frameworks rapidly. ...

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 Role Deadline for applications: 11:59pm on 31st October 2025 Were looking for a Principal Software Engineer to shape the technical direction of high-profile projects and lead the delivery of modern, scalable software. We use technology to create impactful, human-centred solutions that make … working closely with senior stakeholders, mentoring engineers across multiple teams, and line managing a small group of engineers while helping shape our approach to software delivery, architecture, and engineering culture. Responsibilities Lead the design and development of advanced software solutions, ensuring high standards of quality, security and scalability. ...

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 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 strong technical expertise in Java and Spring ...

Principal Software Engineer .NET £90,000-£110,000 Remote (UK) Do you thrive on building scalable solutions that power commerce worldwide? We're partnering with a rapidly expanding global payment platform fresh off a transformative acquisition. They're engineering a robust, merchant-centric ecosystem built on quality, resilience … scale - and they need exceptional .NET Software Engineers to drive this evolution. Your Impact: Design and develop mission-critical platform services, APIs, and merchant portals Drive performance optimisation and system reliability through intelligent engineering Champion engineering excellence in architecture, code quality, and delivery Partner with cross-functional teams ...

About Us: OpenSolar was founded in 2017 by global pioneers in solar software - Andrew Birch and Adam Pryor. OpenSolar exists to accelerate the adoption of solar and renewable energy globally. We provide the world's clean energy professionals with an end-to-end digital design, sales and management software … movement, creating a lasting impact on the world. All while being part of a passionate, fun, and highly collaborative team. The Role: The Principal Software Engineer (Full Stack) role is a full-time permanent position located in the United Kingdom and is a remote working role. You will ...

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 team ...

looking for a hands-on Embedded Software Engineer to design, develop, and test embedded hardware and firmware solutions across a range of products. This role is ideal for engineers who enjoy working on embedded systems from concept through to production, with the opportunity to contribute to innovative projects … collaborative engineering environment. The role may lead to quick progression with the opportunity for an experienced embedded engineer ready to take the next step into leadership, helping to guide a small team while remaining actively involved in the design and development process. Key Responsibilities Design, develop, and test embedded ...

lookout for a talented and experienced Senior Software Engineer to join our team. You'll play a pivotal role in solving technical challenges, developing new features, and ensuring the smooth operation of our platform. If you're looking for a role where you can leverage your technical skills … input, improved communication, and effective decision execution. Assist in project management activities, including estimation, scheduling, planning, and progress tracking. Play a key role in software deployment activities to our production data centre. Build a team player status, providing support to fellow team members and mentoring by setting an example. ...

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 ...

looking for a senior Front End Software Engineer who can be the technical go-to person in their area, offering guidance, mentorship, and hands-on expertise. You will be a proven senior who still loves to code, enjoys taking ownership of front-end decisions, and wants to play … practices and setting high technical standards. Working closely with product managers, QA, designers, and other engineers, taking on and integrating feedback. Delivering fully tested software iteratively and continuously. Creating beautiful, usable, user friendly solutions. Scoping projects, identifying opportunities, and delivering effective solutions. Prototyping new ideas and pushing boundaries ...

required or expected to have background in Machine Learning. This is an applied role, and we are looking to hire a software engineer with experience in cloud computing and distributed systems. In this role, you will: Design and develop highly-scalable, fault tolerant and event driven systems that … native technologies: Experience in architecting and deploying in cloud platforms (e.g., AWS, GCP or Azure), an understanding of containerisation (e.g., Docker), infrastructure-as-code software (e.g., Terraform), and observability platforms (e.g., Datadog or Grafana). Strong ownership mindset: You naturally take responsibility for outcomes, not just tasks, and care ...

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 a variety of projects. ...

About The Role Job Level: 10 UK Wide We are looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team of engineers on high-profile projects, ensuring best practices … followed, and driving continuous improvement in software development processes click apply for full job details ...

About The Role Job Level: 10 UK Wide We are looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions. This role involves leading a team of engineers on high-profile projects, ensuring best practices … followed, and driving continuous improvement in software development processes. You will collaborate closely with cross-f... ...