Senior Java Engineer jobs in Watford

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...

Reports to: Technology Director / Executive Sponsor Location: Remote with occasional travel to London (2 times a month) Contract: Full-time, permanent Base Salary: £70,000 – £80,000 location and experience dependent + 10% company bonus scheme and sales commission scheme Why This Role Exists Serve Legal is entering a new chapter: evolving beyond compliance auditing into AI enabled,...

You will design and deploy robust frontend client, backend services, infrastructure automation, and cloud-native solutions by utilising your software development knowledge and your DevOps proficiency across AWS and GCP.

You will deliver industrialisation for new and modified products and manufacturing processes, ensuring readiness for production, process validation, and cost objectives are met.

You will champion effective process development, supporting efficiency and innovation across the entire process development lifecycle.

You will be responsible for the entirety of the back end features of the products.

You will be in charge of building scalable backend services and awesome messaging queues.

You will be responsible for developing a Python-based back end platform that's handling 100,000+s of interactions daily.

Senior Performance Engineer - UK Ready to Make a Real Impact? Join e-STORAGE! Who We Are Welcome to e-STORAGE, a proud member of the Canadian Solar Inc. (NASDAQ: CSIQ) family! We're leading the way in designing, building, and integrating advanced battery energy storage systems for utility-scale projects. Our mission? To accelerate the world's renewable energy transition and create a more...

Senior Data Engineer | Remote (UK or Europe) A leading prop trading firm is hiring a Senior Data Engineer to take ownership of their trading and market data infrastructure. Operating globally with connectivity to dozens of exchanges, the firm executes millions of trades daily with data playing a mission-critical role in every aspect of the business. This is a high-impact, high-autonomy role in...

Senior AI/ML Engineer Fully Remote £100,000–£120,000 + benefits About the Role Our client, a blockchain analytics scale-up, is looking for a Senior AI/ML Engineer to join their expanding team. They're scaling their AI capabilities and need someone passionate about applying cutting-edge machine learning and LLM techniques to real-world crypto data. You'll work directly with a Staff AI/ML...

Job Description You’ll take the technical lead on drainage and SuDS design for major highways and infrastructure projects, at a major Civil Engineering client in Watford, developing solutions that reduce flood risk and enhance sustainability. Working with multidisciplinary teams, you’ll deliver compliant, innovative, and cost-effective water management systems from concept to completion. What...

Senior Full-Stack Engineer – TypeScript / React / AWS Up to £80k | Fully Remote (UK) Tech Stack: TypeScript, Node.js, React.js, AWS Slight backend lean We're on the hunt for a hands-on Senior Engineer to join a fast-moving team delivering real, production grade systems. This isn't R&D or proof-of-concept work, they're shipping cloud-native, AI-enabled products that customers actually...

You will act as a Subject Matter Expert for enterprise directory services while supporting global business functions across multiple regions. You'll work within a collaborative, global team spanning the US regions and the UK, partnering closely with internal teams and outsourced support functions.

You will collaborate with renowned experts in the field and participate in all stages of the product lifecycle, from concept to production.

You will join a team of individuals who consistently demonstrate strong motivation and dedication in a friendly and encouraging environment, providing an excellent platform for personal development and career progression.

Job Description About The Role Right across infrastructure, theres a requirement to not only maintain, but also renew and reimagine. Whatever stage youre at in your career; with us youll have an opportunity to grow and develop. Delivering essential infrastructure services for life, while being safety first, and client and customer centric in afriendly, fun and respectful environment where you...

Senior/Lead Software Engineer – Fully Remote (UK) A global B2B SaaS technology business is building out its European engineering hub and is hiring multiple Senior / Lead Software Engineers (JavaScript) to develop and enhance a mission-critical platform used internationally. These are hands-on individual contributor role with strong ownership — ideal for engineers who enjoy building high-quality...

Senior Full Stack Engineer | Up to £110K | One of the UK's fastest growing AI platforms | UK Remote | React/Node/TypeScript I am currently working with one of the fastest-scaling platforms in the creator economy which is a creator-first, AI-powered product that enables creators around the world to directly monetise their audiences. Every system you build will operate at serious global...

Senior HV Plant Engineer Location: Remote, UK Wide Salary: up to £75,000 (based on experience) Position: Permanent Turner Lovell are working with a leading UK utility infrastructure contractor to find a Senior HV Plant Engineer who will play a role in delivering and overseeing primary plant designs for National Grid and other transmission and distribution substation projects across the UK...

Job Description Company description: Fantastic challenges. Amazing opportunities. GKN Aerospace is reimagining air travel: going further, faster and greener! Fuelled by great people whose expertise and creativity sets the standards in our industry, were inspired by the opportunities to innovate and break boundaries. Were proud to play a part in protecting the worlds democracies. And were...

Job Title: Senior Electrical Engineer Salary: £65,000 - £75,000 DOE Location: Hertfordshire, UK Job Type: Permanent I'm seeking an enthusiastic and motivated Senior Electrical Engineer to join a growing engineering team, working on complex and innovative projects across the pharmaceutical and life sciences sectors. Key Responsibilities: - Deliver electrical design solutions across RIBA...

Insight Global is looking for a Senior IAM Engineer to join one of our largest manufacturing clients. We are looking for a hands-on subject matter expert responsible for the design, operation, and security of our clients' enterprise identity platforms, including Microsoft Active Directory and Microsoft Entra ID (Azure AD). This role ensures the availability, performance, and integrity of hybrid...

Remote | Full-Time About Us Medify is a mission-driven EdTech company widening access to medicine and healthcare careers. Our platform supports thousands of learners preparing for high-stakes admissions exams, and our engineering team plays a critical role in delivering reliable, scalable, and high-quality learning experiences. Medify Engineering is a team of ten engineers across two teams,...