1 to 25 of 50 Software Engineering Jobs in South Wales

Software Security Engineer

Hiring Organisation
Matchtech
Location
Newport, UK
Employment Type
Full-time
exposure of work. Key Responsibilities Guide security across the full product lifecycle, from concept to in-service support. Provide technical expertise to software and project teams, advising on security requirements, techniques, architecture, design patterns, coding standards, and best practices. Evaluate and recommend appropriate technologies and frameworks for software … generate reports to track security activities and remediation efforts. In this sector you will... Develop your leadership skills while gaining insight into complex software systems. Work as part of a multi-disciplinary, supportive software engineering team. Grow your career while contributing to challenging and innovative projects. What ...

Software Engineer

Hiring Organisation
TRX
Location
Cardiff, UK
Employment Type
Full-time
Responsibilities Design, implement, and maintain software for nuclear systems, ensuring compliance with safety and regulatory standards. Develop software for reactor control, monitoring systems, data acquisition, simulation, and predictive analytics. Collaborate with multidisciplinary teams including nuclear engineers, electrical engineers, and safety specialists. Apply best practices for software reliability … maintainability, and cybersecurity. Participate in code reviews, testing, and verification processes aligned with industry standards (e.g., NQA-1, IEC 61513). Document software design, architecture, and operational procedures. Troubleshoot and resolve software issues in mission-critical environments. Stay updated on emerging software technologies and nuclear industry trends. ...

Software Engineer

Hiring Organisation
TRX
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
Responsibilities Design, implement, and maintain software for nuclear systems, ensuring compliance with safety and regulatory standards. Develop software for reactor control, monitoring systems, data acquisition, simulation, and predictive analytics. Collaborate with multidisciplinary teams including nuclear engineers, electrical engineers, and safety specialists. Apply best practices for software reliability … maintainability, and cybersecurity. Participate in code reviews, testing, and verification processes aligned with industry standards (e.g., NQA-1, IEC 61513). Document software design, architecture, and operational procedures. Troubleshoot and resolve software issues in mission-critical environments. Stay updated on emerging software technologies and nuclear industry trends. ...

Head of Engineering (AI-First SaaS Platform)

Hiring Organisation
Keepnet
Location
Cardiff, UK
Employment Type
Full-time
Head of Engineering (AI-First SaaS Platform) £95,000 – £130,000 base + equity (EMI) + benefits Location: UK (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet operates … human risk workflows, supported by strong guardrails, deep observability, and human-in-the-loop controls where required. We are looking for a Head of Engineering to scale these production-grade agentic systems, strengthen platform reliability, and lead global engineering teams to deliver a secure, highly reliable, and operationally ...

Head of Engineering (AI-First SaaS Platform)

Hiring Organisation
Keepnet
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
Head of Engineering (AI-First SaaS Platform) £95,000 – £130,000 base + equity (EMI) + benefits Location: UK (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet operates … human risk workflows, supported by strong guardrails, deep observability, and human-in-the-loop controls where required. We are looking for a Head of Engineering to scale these production-grade agentic systems, strengthen platform reliability, and lead global engineering teams to deliver a secure, highly reliable, and operationally ...

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 Engineer - Developer Experience (DevEx)

Hiring Organisation
Complexio
Location
Newport, Isle of Wight, 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 ...

Senior and Lead Software Engineers

Hiring Organisation
Thor Companies
Location
Cardiff, UK
Employment Type
Full-time
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-on 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-heavy ...

Senior and Lead Software Engineers

Hiring Organisation
Thor Companies
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
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-on 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-heavy ...

Software Engineer

Hiring Organisation
Scot Lewis Associates
Location
Newport, UK
Employment Type
Full-time
Scot Lewis is working with a brilliant and growing, Bristol based technology company, helping them as they look to expand their talented software engineering team. The company uses a very broad range of tech, across several greenfield projects and R&D environments, encompassing everything from full stack … embedded development, AI and Machine Learning tools and AWS/Azure cloud services to provide bespoke, secure software solutions to Government and Defence customers. We're looking for several hands-on Software Engineers, from a variety of technical backgrounds, with proficiency in multiple programming languages. The ideal candidates ...

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 ...

Senior Software Engineer (.NET, Azure) - Contract

Hiring Organisation
Curated
Location
Newport, Isle of Wight, 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 ...

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 ...

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 ...

Senior Software Engineer

Hiring Organisation
Intellect Group
Location
Newport, Isle of Wight, 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 ...

Senior Site Reliability Engineer

Hiring Organisation
Ensono
Location
Cardiff, UK
Employment Type
Full-time
leading organisations to tackle their most complex digital transformation projects. We help our clients think and do, delivering strategy and software engineering that gives them the confidence to take on their toughest challenges and improve the lives of their people and customers. We have worked on a variety … Cloud Awards. About The Role And What You Will Be Doing We're looking for someone like you to join our growing Site Reliability Engineering (SRE) team. We support a variety of data solutions that we've developed, and we are seeking individuals with data expertise to enhance ...

Senior Site Reliability Engineer

Hiring Organisation
Ensono
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
leading organisations to tackle their most complex digital transformation projects. We help our clients think and do, delivering strategy and software engineering that gives them the confidence to take on their toughest challenges and improve the lives of their people and customers. We have worked on a variety … Cloud Awards. About The Role And What You Will Be Doing We're looking for someone like you to join our growing Site Reliability Engineering (SRE) team. We support a variety of data solutions that we've developed, and we are seeking individuals with data expertise to enhance ...

Senior Full Stack Engineer

Hiring Organisation
Altech Group Ltd
Location
Cardiff, UK
Employment Type
Full-time
Software Engineering role Paying between £80-100k, with a 10% bonus (performance related) Remote but occasional offsites in LDN/worldwide A SaaS platform that provides businesses and researchers with high-quality, vetted human data for studies, surveys, and AI research are looking for 2 excellent Product ...

Senior Full Stack Engineer

Hiring Organisation
Altech Group Ltd
Location
Newport, Isle of Wight, UK
Employment Type
Full-time
Software Engineering role Paying between £80-100k, with a 10% bonus (performance related) Remote but occasional offsites in LDN/worldwide A SaaS platform that provides businesses and researchers with high-quality, vetted human data for studies, surveys, and AI research are looking for 2 excellent Product ...

Principal Machine Learning Engineer - Production Systems

Hiring Organisation
SoftInWay UK Ltd
Location
Newport, UK
Employment Type
Full-time
GitHub Actions, Docker, Kubernetes. Monitoring: Prometheus, Grafana, OpenTelemetry. Security: HashiCorp Vault, Sigstore. Why Join Us? Work on cutting-edge ML solutions integrated into commercial engineering software. Define architecture that scales across global deployments. Collaborate with a team of experts in ML, software engineering, and UI development. Competitive ...

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 Engineer

Hiring Organisation
Edison Smart
Location
Newport, Isle of Wight, 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 ...

Senior Machine Learning Engineer

Hiring Organisation
Quantiphi
Location
Cardiff, UK
Employment Type
Full-time
About Quantiphi: Quantiphi is an award-winning Applied AI and Big Data software and services company, driven by a deep desire to solve transformational problems at the heart of businesses. Our signature approach combines groundbreaking machine-learning research with disciplined cloud and data-engineering practices to create breakthrough … deploy traditional machine learning models and solutions to solve real-world business problems. You'll work closely with cross-functional teams including Data Science, Software Engineering, and Product to translate analytical insights into scalable production systems. This is an exciting opportunity for a data-savvy individual with ...