Senior Java Developer jobs in St Albans

Senior Java EFX Platform Developer Location: Fully Remote (UK-based) Contract: 12 Months (likely extension) Industry: Investment Banking / FX E-Trading The Opportunity We're partnering with a leading investment bank on a major greenfield build - a brand-new, in-house FX E-Trading platform. This multi-year programme is at an early stage, offering the chance to help shape architecture,...

About Apexon: Apexon brings together distinct core competencies – in AI, analytics, app development, cloud, commerce, CX, data, DevOps, IoT, mobile, quality engineering and UX, and our deep expertise in BFSI, healthcare, and life sciences – to help businesses capitalize on the unlimited opportunities digital offers. Our reputation is built on a comprehensive suite of engineering services, a...

Senior Software Developer - Java / Python with Delphi We’re looking for an experienced Software Engineer (Java/Python) to join a high-profile government project focused on modernising and integrating complex systems within a secure environment. You’ll work across backend development, integration and automation – with occasional support for legacy Delphi components as part of wider platform...

My client is a global leading Digital Consultancy specialising in Cloud Adoption, Digital Architecture/Transformation & NextGen AI Solutions, with offices in London, Manchester, Newcastle and Glasgow, providing flexi working model (option of remote or hybrid with ad hoc client site travel). They are looking for a Senior Java Full Stack Engineer's (Jnr-Mid level) to join a rapidly growing team,...

Our client provide domestic and International cross border e-commerce and mail solutions to businesses worldwide. As an autonomous broker, they handle domestic and international deliveries and European returns across their postal and commercial networks. By working with local home delivery specialists, they also provide the best last-mile experience available. Due to expansion they are now...

Insight Global is looking for a Salesforce Developer that will be responsible for designing, developing, testing, and deploying custom Salesforce solutions, with a focus on Salesforce Experience Cloud, Sales Cloud, and Service Cloud. This role will work closely with cross-functional teams to understand business needs and deliver technical solutions that drive efficiency and growth. Leads...

Interested in building software that powers real-time robotics systems? I’m partnered with a fast-growing defense tech startup that’s redefining how robotics and autonomy perform in the field. They’re looking for a Senior Full Stack Developer to design, build, and deploy scalable software that drives real-time control, telemetry, and analytics for advanced robotic platforms. This is your...

Java Developer – Product Engineering £60,000 – £90,000 | Remote-first (monthly meet-up in Midlands office) We’re working with a fast-growing software company that’s transforming how businesses manage complex financial workflows. Their AI-first platform helps customers simplify operations, increase transparency, and make smarter decisions — and they’re scaling quickly as demand grows. They’re...

Role: Senior Java Software Engineer (Back-end) Salary: £85,000–£100,000 + equity + bens Location: UK Remote Sector: FinTech Start-Up About the Company Wedo are collaborating with a FinTech start-up. The founders have an unrivalled track-record of scaling successful businesses, largely across the FinTech sector. This product, focusing on Wealth Management, is set to disrupt the sector and is...

🚀 Senior Java Engineer (Kafka, Spring Boot, Microservices) We’re hiring a Senior Java Engineer to build secure, real-time systems using Java, Spring Boot, and Apache Kafka. You’ll design scalable event-driven microservices, collaborate across the stack, and shape a platform used in mission-critical environments. If you’re a hands-on backend engineer passionate about distributed systems,...

Senior Java Developer - FinTech Start-up (Remote, UK) Salary: £50,000–£80,000 + EMI Stock Options Location: Fully Remote (UK or Europe-based preferred) Company: High-Growth FinTech Start-up Join a Fast-Growing FinTech Revolutionising Payments We’re partnering with a venture-backed FinTech start-up that’s redefining how businesses manage international payments and currency conversion. Their...

Senior Java Developer required for a well-funded and ambitious tech business entering its next scale-up phase. This is a fully remote position paying up to £65K + benefits, with meaningful technical ownership, visibility, and genuine opportunity to grow into Tech Lead as the team expands. This is a CTO whose serverless architecture has previously been recognised by AWS; driving proven,...

You will mentor a small team of 3 talented developers while remaining hands-on with coding and solution design. You’ll help define how software is built, scale systems, and influence the technical direction of a globally used SaaS product. You’ll be supported by a collaborative leadership team that values technical excellence, autonomy, and personal growth.

Join Our ScriptRunner Platform Team as a Senior Software Engineer! Are you passionate about developing innovative solutions that enhance user experiences for millions? Do you have a knack for leading and mentoring teams to success? If so, ScriptRunner is looking for a dynamic Senior Software Engineer to join our talented ScriptRunner Cloud team. About us: ScriptRunner is committed to...

Senior Java Software Engineer 📍Remote UK | 🌍 Global Fintech | 💳 Merchant-First Payments Ecosystem A high-growth global fintech, renowned for delivering world-class payments-related software and technology, is looking to expand its engineering team. As the company continues to scale its platform to meet growing demand, they’re seeking experienced engineers to join their collaborative,...

Principal Java Developer – Fully Remote The Opportunity Ocho is partnering with a fast-growing, product-led fintech that’s building out a brand-new Development Centre from the ground up to deliver an innovative Greenfield payments platform. As a Principal Java Developer, you’ll be hands-on in designing and developing backend, service, and portal systems that power secure, scalable payment...

Job Description Job Title: Senior Full Stack Systems Developer (Environment) Ref. No.: CJD131125A Location: St. Albans Salary: £80,000 - £85,000 This is a fantastic opportunity to join my client, an industry-leading, eco-conscious Technology Company renowned for lending their expertise to providing monitoring systems to the environmental sector. They are on the lookout for a talented,...

Role: Tech Lead (Java) Location: London once a month Salary: Open depending on experience + generous tailored benefits A great opportunity to join a global SaaS company with an international footprint and enterprise-scale clients. Their partnership with Google gives them access to forward-leaning AI work and regular opportunities to attend industry events and meet-ups. You'll get a genuinely...

My client is a global leading Digital Consultancy specialising in Cloud Adoption, Digital Architecture/Transformation & NextGen AI Solutions, with offices in London, Manchester, Newcastle and Glasgow, providing flexi working model (option of remote or hybrid with ad hoc client site travel). They are looking for two Java Full Stack Engineer's (Jnr-Mid level) to join a rapidly growing team,...

A leading FinTech innovator is shaping the future of financial markets - across traditional finance and crypto - with cutting-edge trade surveillance technology. Their mission is to protect investors, enhance transparency, and ensure compliance in some of the world's most dynamic markets. Trusted by regulators and institutions worldwide, their systems monitor over a trillion events every single...