Developer Software Engineer jobs in Cardiff

Space Forge Ltd

Space Forge is a fast-growing advanced materials company. Our goal is to exploit the extreme temperature, microgravity and ultra-high vacuum conditions available in low earth orbit (LEO) to manufacture materials that cannot readily be grown terrestrially. Returning these materials to earth, we aim t

Space Forge

£45,000 - £60,000 /year

Space Forge is a fast-growing advanced materials company. Our goal is to exploit the extreme temperature, microgravity and ultra-high vacuum conditions available in low earth orbit (LEO) to manufacture materials that cannot readily be grown terrestrially. Returning these materials to earth, we aim t

Target Group

Senior Software Engineer (Java) Permanent | Cardiff/Hybrid | Up to 50,000 At Target Group , we’re passionate about using technology to improve financial services – but more importantly, we’re passionate about people, partnerships and progress . We’re entering an exciting phase of modernisation and t

Target

Senior Software Engineer (Java) Permanent | Cardiff/Hybrid | Up to 50,000 At Target Group , we’re passionate about using technology to improve financial services – but more importantly, we’re passionate about people, partnerships and progress . We’re entering an exciting phase of modernisation and t

Target Group

Senior Software Engineer (RPG / IBM i) Permanent | Cardiff/Hybrid | Up to 50,000 At Target Group , we don’t just build platforms – we build outcomes that matter . As part of our continued investment in modernising our core systems, we’re looking for a Senior RPG Software Engineer who enjoys solving

Target

Senior Software Engineer (RPG / IBM i) Permanent | Cardiff/Hybrid | Up to 50,000 At Target Group , we don’t just build platforms – we build outcomes that matter . As part of our continued investment in modernising our core systems, we’re looking for a Senior RPG Software Engineer who enjoys solving

Public Sector Resourcing

Apply before 11:55 pm on Sunday 31st May 2026Reference number: 456943A [1] Civil Service Pension with an employer contribution of 28.97%Job grade: Grade 7 Level DContract type: PermanentBusiness area: CPS - HQ Digital Information Directorate (DID)Type of role: DigitalWorking pattern: Flexible workin

83Zero Ltd

Job Description Full Stack Engineers (Java | ReactJS | AngularJS) Hybrid Working: 1 day per week onsite in Cardiff (non-negotiable) Eligibility: SC Eligible candidates only Salary: £60,000 - £80,000 DOE We're hiring 5 experienced Full Stack Engineers to join major enterprise banking projects foc

ITOL Recruit

Job Description Are you looking to benefit from a new career in Software Development? Skills shortages in the IT sector is driving the need for qualified, entry-level career seekers and career changers. We help place graduates from this programme in top UK companies and organisations needing to empl

Hays Technology

Hays are now looking for an SC Cleared Software Developer for one of our local clients: £600 p/d Inside IR35 1-2 Days onsite, rest is WFH Location is Cardiff Must hold current SC Clearance You'll join an Agile delivery team, building and supporting secure, high-quality software services used by inte

About the Project Outlier helps the world's most innovative companies improve their AI agents by providing human feedback. Do you want to shape the future of autonomous agents like OpenClaw? We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive,

CPS Group (UK) Limited

€50,000 - €50,000 /year

Software Engineer (Full Stack - Angular Focus) £55,000-£65,000 + package Remote - Cardiff office (On-site a couple times p/month) Eligible for Security Clearance (must have resided in the UK for the last 5 years) CPS Group are working with a Cardiff-based Tech organisation to recruit a Software Engi

CPS Group (UK) Limited

€50,000 - €50,000 /year

Software Engineer (Angular) £55,000-£65,000 + package Remote - South Wales office (On-site a couple times p/month) Eligible for Security Clearance (must have resided in the UK for the last 5 years) CPS Group are working with a South Wales-based Tech organisation to recruit a Software Engineer to joi

83Zero Ltd

Full Stack Engineers (Java | ReactJS | AngularJS)Hybrid Working: 1 day per week onsite in Cardiff (non‐negotiable)Eligibility: SC Eligible candidates onlySalary: £60,000 - £80,000 DOEWe're hiring 5 experienced Full Stack Engineers to join major enterprise banking projects focused on delivering secur

Space Forge is a fast-growing advanced materials company. Our goal is to exploit the extreme temperature, microgravity and ultra-high vacuum conditions available in low earth orbit (LEO) to manufacture materials that cannot readily be grown terrestrially. Returning these materials to earth, we aim t

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how

SRT Marine Systems PLC

€50,000 - €50,000 /year

SRT Marine Systems plc (SRT) is a market leader in the domain of international marine surveillance technology and systems. We are a respected, established, and an ambitious multi-national company headquartered in the UK with a global customer base. The company has a worldwide impact in the marine se

CV-Library

€50,000 - €70,000 /year

SRT Marine Systems plc (SRT) is a market leader in the domain of international marine surveillance technology and systems. We are a respected, established, and an ambitious multi-national company headquartered in the UK with a global customer base. The company has a worldwide impact in the marine se

IT Online Learning is hiring a Software Developer Placement Programme No experience needed based in Cardiff, South Glamorgan, Wales, UK . This is a Full time opportunity (£65,000). Software Developer Placement Programme No experience needed From £27,000 to £65,000 per annum Trainee Software Develope

Ofgem

Successful candidates may be based in any of our office locations – Cardiff, Glasgow or London. We especially welcome applicants from Cardiff and Glasgow. Job SummaryOfgem is working at the forefront of the fight to modernise and strengthen the UK's energy systems, driving digital innovation that wi