Lead Java Developer jobs in Cardiff

You will work across cutting‑edge platforms including Payment Networks, Digital Banking, Emerging Payments, and highly scalable data and analytics environments built on Google Cloud Platform, Data Lakes and Power BI. This role involves modern engineering, integration, testing, and hands‑on development within a high‑impact digital landscape.

Join Us at SRT Marine Systems as a Senior Java Developer Job Title: Senior Java Developer Location: 1 day / week in Cardiff office Job Type: Permanent, Full-Time SRT Marine Systems plc (SRT) are a market leader in its domain of international marine surveillance technology and systems. We are respected, established and an ambitious multi-national company headquartered in the UK with a global...

Our client is a mission-led consultancy delivering secure, modern software solutions that support the UK Government and Defence sector. They’re growing fast and looking for talented Java Developers who want to make an impact on projects that matter. You’ll work in a high-trust, agile environment, building scalable systems and progressive applications that directly contribute to national security...

Job Description Role: Lead Test Engineer Contract Length: 12 Months Location: Hybrid – 3 days per week in office (except London). So Birmingham, Blackpool, Leeds, Manchester or Newcastle Must haves: - Significant experience leading and testing micro services - Functional and non functional testing - Hands on experience in automation testing Leadership skills - Experience leading...

You will oversee 2–3 backend squads, shaping long-term microservices architecture using Java 21 and AWS. This role balances strategic technical leadership with hands-on mentorship to drive engineering excellence, security, and scalable system design. Why this role is remarkable:

Job Description About Prighter Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their digital business, our services and SaaS solutions guide our global clients through...

You will collaborate closely with cross-f...

You must speak, write and be able to understand fluent English. - Deep knowledge and regular usage of Firebase suite, especially Firestore. - Strong proficiency in TypeScript and modern JavaScript (ES6+).

You must enjoy constantly learning and researching to improve your level of expertise.

Job Description Lead Night Nurse - £43,0000 - £46,000 per annum - 37.5 hourse per week, full-time, permanent - Cardiff Neat Sourcing is looking for a Registered Mental Health or Learing Disabilities Nurse for a leading independent mental health provider is join their team. The role involves night shifts from 19:30 to 07:45, working 37.5 hours per week. This modern treatment facility offers a...

You will be an experienced Quality professional from a manufacturing or automotive supply-chain environment, confident working cross-functionally and dealing directly with customers. Essential Experience & Qualifications - HNC / HND qualified (or equivalent) - 5–7 years’ experience within certified management systems (ISO / IATF 16949)

Job Description A fantastic opportunity has arisen for a Systems Engineering Lead to join a specialist Systems Engineering function supporting complex, multi-national defence programmes. This role performs the duties of a senior technical lead position and works closely with programme leadership and engineering stakeholders across the wider organisation. Key Responsibilities: - Promote,...

Job Description Lead Platform Engineer London / WFH to £150k Are you a platform engineering technologist with start-up experience and a first class education looking for a new opportunity? You could be joining a small Fintech start-up run by small, successful and proven team of finance technology entrepreneurs, backed by Silicon Valley investors, as they build out the product, currently in...

Job Description Lead Developer London - Hybrid 1/2 days in office £85,000 - £100,000 About Simmer We’re Simmer Eats, one of Europe’s fastest-growing food brands. We’ve grown 10x in the last year, and we’re building the next phase of scale on a modern commerce and technology stack. Our mission is simple: make healthy eating effortless. High-protein, great-tasting meals delivered straight to...

Job Description Position Available: Lead Buyer - Indirects (IT & Software) Location: Greater Manchester OR Hertfordshire (Hybrid) Salary: £48,000 - £55,000 (DoE) + Bonus Experience needed: Proven experience purchasing within IT, software, SaaS, hardware or wider digital services in a complex organisation. About the role: You'll be responsible for leading end-to-end procurement activity...

Job Description Head/Lead Mechanical Engineer - London - Tech Innovation We're partnered with one of the most innovative tech communications organisations in London, who rarely hire at this senior level. They are expanding globally and are looking to bring in an elite Head/Lead Mechanical Engineer to take full ownership and authority of their designs from concept through to delivery. This is a...

You will get to work on varied projects alongside the opportunity to work on a range of the latest chips! Location - Bristol (Hybrid) Salary - £80-90k + great benefits! Visa Sponsorship: Available

You will be both the hands-on technical lead and the architect of our future technology direction, guiding our software team while setting the foundations for a scalable product and engineering organisation. Working closely with our valuation specialists and product team, you will design solutions that fundamentally transform how valuation advisory services are delivered.

Job Description Role overview: We are seeking a highly skilled and experienced Quality Assurance Lead to join our growing team on a permanent basis. The successful candidate will be responsible for leading the quality assurance efforts for Salesforce Service Cloud solutions throughout the development lifecycle. This role demands a strong background in software quality assurance, meticulous...

About The Role Job level: 10 Were looking for a Lead Data Engineer to join our Data Engineering and Analytics practice. In this role, you will: - Lead the design, development, management and optimisation of data pipelines to ensure efficient data flows, recognising and sharing opportunities to reuse data flows where possible. - Coordinate teams and set best practices and standards when it...

Our client, a mission-led consultancy, is looking for an experienced Principal Software Engineer (Java) to join their growing team. They deliver secure, modern software solutions to the UK Government and Defence sectors, enabling clients to build scalable systems and progressive web applications that drive real impact. This is a senior-level opportunity for a hands-on engineer who enjoys leading...