Senior Java Developer jobs in Wales

Senior Java Developer £65,000 (DOE) North East Wales (hybrid) Hyperloop Recruitment are working with a fast-growth tech firm based in North East Wales, looking to bring a Senior Java Developer into their team. Working in a team of specialists, the successful candidate will be responsible for creating new solutions to business problems, creating new products whilst helping build and support our...

Senior Java Developer Permanent | Full‐Time Our client is expanding their engineering team and we're supporting them in the search for a Senior Java Developer with strong experience in distributed systems, large‐scale data processing, and high‐performance microservices. This is an opportunity to join a highly technical environment working on an event‐driven platform that handles high‐volume,...

Java Software Engineer Bristol (Hybrid – 3 days per week) Up to £50,000 ClimateTech Want to grow your backend skills while working on meaningful climate tech? At Bohr, the software you build helps reduce methane emissions across Europe's gas networks. This is an opportunity for a high-potential junior or early mid-level Java engineer to work on real-world systems that directly support...

Role Overview We are seeking a Java Software Engineer to join a small, technically rigorous founding team building complex, data-intensive engineering systems. The role is remote-first, with periodic in-person collaboration in Oxford or San Francisco. The position involves close collaboration with the Founding Engineer on backend infrastructure, internal platforms, and system architecture. In...

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 the increasingly...

Job Title: Senior Developer Salary: £50,000- £55,000 dependent upon experience Location: Bristol/ Glasgow/ Portsmouth We currently have a vacancy to join one of the world's leading, global defence, security and aerospace companies as a Senior Developer. The role can be based from sites in Bristol, Glasgow or Portsmouth and will largely be a remote working role with the successful candidate...

Senior Full Stack Developer | Oracle PL/SQL | ColdFusion | Digital Transformation | 1 day every 2 week into Cardiff | £50,000-£55,000 + benefits Method Resourcing have partnered exclusively with a fantastic global organisation who are looking to hire a Senior Full Stack Developer into a global team delivering truly innovative technology. The role: We're seeking a versatile and proactive Senior...

Job Description About Us: We’re an established and growing digital agency situated in the heart of Cardiff Bay looking to add a new Senior Laravel developer to our brilliant team. (UK based – Location Flexible) Whilst we are well known for our design skills and producing engaging commercial websites, we also spend a lot of our time building and maintaining bespoke online systems for some of...

INTERNAL APPLICANTS MUST APPLY VIA MYSELF This vacancy is internal and open to applications from employees of North Lanarkshire Council and Associated Employers* only. The "Apply now" button is not activated for this role. Please log into your MySelf account for further instructions on how to apply as an internal candidate. *Fusion Assets, NLP LLP NLC11 £45882 - £50487 35 hours per week...

Job Title: Senior Business Development Manager – Sponsorship Sales (B2B Tech Events) Location: Remote (UK-based) with occasional team meet-ups Salary: £60,000 - £70,000 base DOE + uncapped commission (OTE £155k–£205k+) Job Type: Full-time, Permanent About Rela8 Group At Rela8 Group, we connect the world’s leading tech vendors with senior IT, Security, and Data decision-makers through...

Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet runs...

TimeXtender delivers secure, trusted, AI-ready data for every decision. Our metadata-first platform enables mid-sized enterprises to build future-proof data infrastructure 10x faster than traditional methods. By automating the complex layers of data ingestion, preparation, and delivery, TimeXtender provides a secure foundation for analytics and AI across cloud, hybrid, or on-prem environments....

Description Complexio is Foundational AI. This works to automate business activities by ingesting whole company data – both structured and unstructured – and making sense of it. Using proprietary models and algorithms Complexio forms a deep understanding of how humans are interacting and using it. Automation can then replicate and improve these actions independently. Complexio is a joint...

Senior Development Manager - Onshore Wind, Solar, Battery Storage Salary & Package - up to £80,000 DOE + annual bonus, car allowance, healthcare Remote Working Piper Maddox are partnering with a leader the UK renewable energy industry to hire a key addition to their project development function in 2026. This company are an IPP with a demonstrable track record in successful development,...

🚀 About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‑first, often highly complex software. Our engineers pair forward‑thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. Alongside a handful of long‑standing third‑party clients, we’re scaling our own SaaS...

Role Overview We are seeking a Java Software Engineer to join a small, technically rigorous founding team building complex, data-intensive engineering systems. The role is remote-first, with periodic in-person collaboration in Oxford or San Francisco. The position involves close collaboration with the Founding Engineer on backend infrastructure, internal platforms, and system architecture. In...

Senior Backend Developer (.NET | AI-First SaaS Platform) Compensation: Competitive, based on location and experience Location: UK or Turkey (Hybrid – Office & Remote) Keepnet is an AI-driven SaaS platform experiencing strong, sustained growth in the UK with growing global momentum, helping organisations manage human cyber risk at scale. With Agentic AI live in production, Keepnet runs...

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 the increasingly...

TimeXtender delivers secure, trusted, AI-ready data for every decision. Our metadata-first platform enables mid-sized enterprises to build future-proof data infrastructure 10x faster than traditional methods. By automating the complex layers of data ingestion, preparation, and delivery, TimeXtender provides a secure foundation for analytics and AI across cloud, hybrid, or on-prem environments....

Job Title: Senior Business Development Manager – Sponsorship Sales (B2B Tech Events) Location: Remote (UK-based) with occasional team meet-ups Salary: £60,000 - £70,000 base DOE + uncapped commission (OTE £155k–£205k+) Job Type: Full-time, Permanent About Rela8 Group At Rela8 Group, we connect the world’s leading tech vendors with senior IT, Security, and Data decision-makers through...