1 to 25 of 61 Permanent Software Engineering Jobs in Cardiff

Lead Software Engineer

Hiring Organisation
TPXImpact Holdings Plc
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent
Salary
£75,000
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 are followed … 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 to take ...

VP DevOps

Hiring Organisation
Primis
Location
Cardiff, UK
Employment Type
Full-time
brand-new leadership role with the opportunity to shape strategy, delivery practices, and culture across a distributed team. If you combine deep software engineering roots with proven DevOps leadership experience and thrive in complex, outcome-driven environments, this could be the perfect fit. Key Responsibilities Own DevOps strategy … enable high-velocity, high-quality software delivery. Design and evolve scalable CI/CD, infrastructure, and deployment practices. Provide hands-on architectural leadership where needed. Lead and develop a global DevOps team. Partner with engineering and product leadership to ensure DevOps accelerates delivery. Key Skills Senior leadership experience ...

Embedded Software Engineer

Hiring Organisation
IntaPeople
Location
Cardiff, Llanedeyrn Village, South Glamorgan, United Kingdom
Employment Type
Permanent
Salary
£40000 - £50000/annum
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 ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
Cardiff, UK
Employment Type
Full-time
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 ...

Principal Software Engineer

Hiring Organisation
TPXImpact Holdings Plc
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent
Salary
£85,000
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 a difference … users and organisations. We believe great engineering happens when teams collaborate, learn, and build with purpose. Youll provide hands-on technical leadership, 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 ...

Senior Embedded Software Engineer

Hiring Organisation
Platform Recruitment
Location
Cardiff, UK
Employment Type
Full-time
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 fault finding ...

Senior Engineer - Developer Experience (DevEx)

Hiring Organisation
Complexio
Location
Cardiff, UK
Employment Type
Full-time
Símbolo We are looking for a Senior Engineer to establish and lead our new Developer Experience team. This team's mission is to improve engineering productivity, consistency, and satisfaction by building and maintaining the systems, processes, and tooling that underpin our Software Development Lifecycle (SDLC). You will … shape how our engineers build, test, release, and monitor software, ensuring frictionless workflows while keeping ownership of business logic, test quality, and development practices firmly with the product engineering teams. This is a hands-on role with significant influence: you will design systems, implement tooling, measure productivity gaps ...

Senior Java Software Engineer

Hiring Organisation
CPS Group
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum, Inc benefits
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 ...

Senior Java Software Engineer

Hiring Organisation
CPS Group (UK) Limited
Location
Cardiff, South Glamorgan, United Kingdom
Employment Type
Permanent
Salary
£60000 - £80000/annum
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 … 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 ...

Director of Engineering

Hiring Organisation
CyberForce Global
Location
Cardiff, UK
Employment Type
Full-time
Director of Engineering, UK (London) We are hiring on behalf of our client, an early-stage risk and intelligence technology company, for a Director of Engineering. This is a hands-on leadership role responsible for driving the next stage of technical and organisational growth, scaling the platform, and building … high-performing engineering team. About the Role You will take full ownership of the platform architecture, data pipelines, integrations, and multi-tenant SaaS infrastructure. This is a highly visible, strategic role where you will work closely with the founder and early customers, ensuring the platform is scalable, secure, reliable ...

Senior Software Engineer Full Stack

Hiring Organisation
TPXImpact Holdings Plc
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent
Salary
£60,000
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 project ...

Senior Software Engineer (.NET, Azure) - Contract

Hiring Organisation
Curated
Location
Cardiff, UK
Employment Type
Full-time
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 ...

AI Engineering Lead

Hiring Organisation
Akixi
Location
Cardiff, UK
Employment Type
Full-time
expanding our platform to include advanced AI capabilities — voice and chat assistants, intelligent analytics, and predictive insights — and are seeking an AI Engineering Lead to define and deliver this vision. Job Summary & Purpose Own and drive Akixi's AI and ML strategy — from concept and architecture through hands … prototyping and deployment — to embed intelligence into Akixi's products and analytics platforms. As the AI Engineering Lead, you will define and execute Akixi's AI roadmap, combining leadership of architecture and engineering practice with hands-on development of prototypes and production features. You'll partner with Product ...

Principal Software Engineer

Hiring Organisation
OpenSolar
Location
Cardiff, UK
Employment Type
Full-time
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 have ...

Senior Software Engineer

Hiring Organisation
Intellect Group
Location
Cardiff, UK
Employment Type
Full-time
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 ...

Principal Software Engineer (Software Team Lead)

Hiring Organisation
Touchstone Advisory Limited
Location
Cardiff, UK
Employment Type
Full-time
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 … 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-on technical ...

Software Engineer .Net/ C#

Hiring Organisation
CPS Group
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
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. This role … sits within a highly collaborative engineering function and reports directly into the Director of Development, who manages teams across both the UK and the 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 ...

Software Testing Intern

Hiring Organisation
London Success Academy
Location
Cardiff, UK
Employment Type
Full-time
Launch Your QA Career: Software Testing Internship at London Success Academy (Remote + Live Finale) (10 Positions) Location: Remote + In-Person Finale | Duration: 4 Weeks | Dates: Feb 2026 Limited Spots – Apply Now to Secure Your Place! Are you passionate about delivering flawless software experiences? LSA, in collaboration … master the art of quality assurance. Gain hands-on experience in test automation, defect tracking, and agile testing processes while contributing to real-world software projects. London Success Academy (LSA) offers a 4-week Unpaid Work Experience Internship designed to equip aspiring testers with cutting-edge skills in test ...

Lead AI Engineer

Hiring Organisation
OutSystems
Location
Cardiff, UK
Employment Type
Full-time
will be to design and bring to life AI products and features applied to the problem of Enterprise Vibe Coding (vibe coding for "serious software"), covering the full Software Development Lifecycle. To do this, you will work alongside the rest of the group to push the state … Intelligence and Machine Learning, and apply it to the problem of Enterprise Vibe Coding; Make use of techniques such as In-Context Learning (Prompt Engineering & Retrieval Augmented Generation) and Tool Calling to guide Agents to perform as intended; Work in an "eval-driven development" methodology, applying evaluation techniques such ...

Full Stack Engineer (Angular +

Hiring Organisation
MYT Shutters
Location
Cardiff, UK
Employment Type
Full-time
English (fluent) · Salary: starting from £45,000 depending on experience Overview At MYT Shutters, we are on a mission to expand and strengthen our software engineering team. Our company develops in-house advanced online ordering and automated production systems that are essential for our day-to-day business … system components - encompassing business logic, data modelling, and database design - to ensure our systems remain robust, consistent, and maintainable. This is a hands-on engineering position suited to someone who understands how data and logic flow through a system, writes clean and well-structured code, and enjoys solving complex ...

Senior Python Developer AWS - Front Office

Hiring Organisation
Client Server
Location
Cardiff, UK
Employment Type
Full-time
front, middle and back office teams to discover requirements and deliver technical solutions that drive business growth. You will lead and deliver high profile software projects and champion best practices in software engineering, DevOps and cloud architecture across the wider technology team. Location/… DevOps practices, CI/CD, Containerisation You're comfortable with occasional front end work You have experience of owning the end-to-end software delivery lifecycle, are proactive in bringing solutions problems identified You have experience of working in Front Office trading environments You're pragmatic with great communication ...

Senior Software Engineer (Golang + Remote)

Hiring Organisation
IntaPeople
Location
Cardiff, Butetown Community, South Glamorgan, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum
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 … 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 ...

Machine Learning Engineer

Hiring Organisation
Edison Smart
Location
Cardiff, UK
Employment Type
Full-time
regulated, high-volume environments. This role is ideal for someone comfortable taking models from research through to deployment, with a strong appreciation for robust engineering, governance, and scalability. Responsibilities Design, build, and deploy machine learning models into production within a Financial Services environment Collaborate closely with Data Scientists, Software … experience with ML libraries (TensorFlow, PyTorch, scikit-learn) Experience deploying and supporting ML models in production Solid understanding of data pipelines, versioning, testing, and software engineering best practices Experience working with cloud platforms (AWS, GCP, or Azure) Nice to Have Experience with fraud, risk, credit, AML, pricing ...

Machine Learning Research Engineer - NLP / LLM

Hiring Organisation
RedTech Recruitment
Location
Cardiff, UK
Employment Type
Full-time
incredible opportunity for a Machine Learning Research Engineer to work on researching and investigating new concepts for an industry-leading, machine-learning software company in Cambridge, UK. This unique opportunity is ideally suited to those with a Ph.D. relating to classic Machine Learning and Natural Language Processing … very keen to hear from those with a Ph.D. directly related to NLP) Experience weighted more towards classic machine learning than AI Engineering Strong knowledge in LLMs, NLP and Machine Learning/AI Excellent academics throughout including a minimum of a 2.1 degree from a leading university ...

AI/ML Engineer

Hiring Organisation
Brio Digital
Location
Cardiff, UK
Employment Type
Full-time
lead the design and production of Generative AI and Large Language Model (LLM) applications. This role sits at the heart of an AI-focused engineering team, delivering scalable, production-grade systems using GCP and Google's AI ecosystem. You'll be a senior, hands-on engineer owning complex technical … usage, and content safety. Develop and deploy autonomous or semi-autonomous agents using modern agent frameworks and Google AI tooling. Collaborate with product and engineering teams to translate complex business requirements into ML-driven solutions. Monitor, optimise, and continuously improve models in live production environments. Contribute to the architecture ...