backend java developer jobs in County of Cardiff

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...

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...

We are a dynamic technology company in the Earth Observation (EO) industry with a mission to make EO data more accessible to business consumers. Our clientele spans across the globe, encompassing diverse industries such as insurance, energy, and environmental organizations. Following a successful seed round, we are transforming our company around a new SaaS business model. We are seeking a Full...

Job Summary Aviation. It connects our world, brings people together, provides opportunities, accelerates economic growth, and is just so very cool! Come work for NAVBLUE, a leading services company owned by Airbus, dedicated to Flight Operations, Air Traffic Management solutions and services for airlines, airports, and Air Navigation Service Providers. We combine aircraft manufacturer expertise,...

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...

A leading recruitment company is seeking a Senior Software Engineer with a strong Angular focus to join their team in Cardiff. This full-stack position involves designing and maintaining frontend applications while collaborating with backend engineers. Candidates should have substantial experience in Angular and backend development in Java or a similar language. The role requires participation in...

Senior Backend Engineer – High-Scale Systems | Python & FastAPI | Security SaaS - Salary: £75k - £85k plus bonus - Location: Fully remote, (UK-based) - Sponsorship is not available for this role Prism Digital have partnered with a super interesting and niche VC-backed client specialising in attack surface management and automated red teaming. Their platform provides organisations with real-time...

Team: Backend Location: UK Remote Employment Type: Full-time and Permanent Remuneration (UK – Remote): £81–108k Base Salary + Discretionary Bonus + Equity We are a stealth-mode AI laboratory researching and developing Machine Learning models. The founding team consists of Cambridge graduates and former engineers at Google, Meta, Bloomberg, Microsoft and Amazon. We are backed by prominent...

Global Risk & Brand Protection protects, preserves and enhances the Deloitte brand. We navigate the dynamic risk landscape across the areas of risk management, confidentiality & privacy, cyber security oversight, regulatory, independence & conflicts, and Anti-Corruption/financial crimes. We foster trusting relationships across the Deloitte network through collaboration, facilitation and...

Role Overview We are seeking an experienced Scala Developer to join a dynamic team working on high-impact projects. The ideal candidate will have strong expertise in Scala and Play Framework, with a passion for building robust, scalable backend services and APIs. This is a fully remote contract role with an immediate start. Key Responsibilities - Design, develop, and maintain backend services...

About us Founded in 2008, CitNOW is an innovative, enterprise-level software product suite that allows automotive dealerships globally to sell more vehicles and parts more profitably. CitNOW’s app-based platform provides a secure, brand-compliant solution – for dealers to build trust, transparency and long-lasting relationships. CitNOW Group was formed in 2021 to unite a portfolio of 12 global...

Job Types: Full-time, Permanent Work Location: Remote (UK-based only) Salary: £50,000–£60,000 depending on experience About Us Asseticom is a dynamic software company specialising in asset management data capture solutions for the built environment. Our platform empowers global engineering consultancies, central government, and facilities management firms to optimise asset information through...

Job Spec - Backend Engineer About Beacon Beacon is building the AI Supply Chain workspace that customers really want. We're building end-to-end visibility, automated workflows, and effortless collaboration that create material savings and unlock new value for our customers. Backed by leading venture investors we’re a team passionate about product and solving the most complex day-to-day...

Full Stack Engineer (Java, React, AI/ML/LLM/SDK) – Cutting-Edge Series B scale up Location: Remote EU - Spain Salary: £70K - £110K About: We are seeking a Full Stack Engineer with a proven track record in building and scaling applications powered by Large Language Models (LLMs). This role requires deep expertise in Java, React, and modern AI/ML development, including LLM frameworks, SDKs, and...

Company Description Imaginaire is a boutique ecommerce agency based in Nottingham, specialising in ecommerce design and development, SEO, and PPC services. Focused on Shopify and Shopify Plus platforms, we help brands across the UK create tailored, high-quality headless ecommerce solutions. The Role We’re looking for a mid-level/senior frontend developer to join our ecommerce delivery team...

.Net / Blazor Developer, Fully Remote, £60,000 - £85,000 per annum About the Role: Our client, a leading AI solutions consultancy are seeking a highly skilled Blazor Developer to join their team. As a Blazor Developer, you will play a critical role in creating and optimising web applications built on the Blazor framework. Your expertise in development will help their clients bring their...

🚀 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...

About Aero A digital experience company, we sit at the intersection of insights, creativity and technology, crafting digital experiences that transform business performance. We’re a small, fully remote team with big ambitions. We work hands-on with our clients, giving our teams genuine ownership of their work. Every project you touch will be seen by thousands of people and will directly...

A global consultancy in Cardiff is hiring a developer skilled in SQL database management and T-SQL programming. You will design, develop, and maintain SQL databases and reports, involved in the entire Software Development Life Cycle. Ideal candidates hold a relevant degree and have expert knowledge in performance optimization and strong analytical skills. This role offers hybrid working options,...

Senior Backend Engineer – High-Scale Systems | Python & FastAPI | Security SaaS - Salary: £75k - £85k plus bonus - Location: Fully remote, (UK-based) - Sponsorship is not available for this role Prism Digital have partnered with a super interesting and niche VC-backed client specialising in attack surface management and automated red teaming. Their platform provides organisations with real-time...