8 of 8 Java Jobs in Watford

Proven hands-on software-engineering experience at senior or technical-lead level, delivering and supporting large-scale, mission-critical systems. Proficiency in one or more modern programming languages (Python, Java, C# or Scala) with the ability to write, review and optimise production-grade code. Strong experience in API design and integration (REST, GraphQL, Kafka/event-driven architectures). In More ❯

Looking For: • Strong technical background in software design and architecture. • Experience with model-based engineering and software design patterns. • Proficiency in one or more programming languages (e.g. C++, C#, Java, Python). • Knowledge of modern engineering practices such as continuous integration and automated testing. • Ability to explain complex architectural concepts clearly and mentor development teams. • Skilled communicator with the ability More ❯

Qualifications: * Fluency in English (native or bilingual level). * Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, Kotlin, or Swift. * Excellent writing and grammar skills. * A bachelor’s degree (completed or in progress). * Previous experience as a Software Developer, Coder, Software Engineer, or Programmer is preferred. More ❯

career in coding? Apply now and one of our friendly advisors will be in touch. Keywords:Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer More ❯

internal teams to deliver solutions. To be considered for this Senior Full Stack Systems Developer role you must have: Strong background in Full Software System Lifecycles and enterprise systems Java enterprise middleware experience is essential Preferably, have previously worked in software development within the environmental monitoring field Expertise in system design, development, testing, and deployment Deep understanding of security, databases More ❯

internal teams to deliver solutions. To be considered for this Senior Full Stack Systems Developer role you must have: Strong background in Full Software System Lifecycles and enterprise systems Java enterprise middleware experience is essential Preferably, have previously worked in software development within the environmental monitoring field Expertise in system design, development, testing, and deployment Deep understanding of security, databases More ❯

Software System Lifecycle, including front-end and back-end aspects Experience of working with software systems/programmes specifically within an environmental setting Demonstrable experience in the use of Java Middleware, API, Docker, and MQ software Outstanding knowledge of performance and security in Enterprise Systems Experience of working with networks: LAN & WAN/Internet and Security Prior experience of Database More ❯

Senior Java Software Engineer Watford/Hybrid Salary - £70,000 - £80,000 + Excellent benefits We’re looking for a talented Senior Java Engineer with a passion for clean code, elegant architecture, and efficient delivery. This is a hands-on role focused on developing a cloud-native platform and its foundational services—mission-critical components that support a modern workforce … management software stack. You’ll work primarily with Java, building robust, secure, and scalable applications. As part of a small, elite team, you’ll have the freedom and responsibility to shape the future of the platform. 🔧 Key Responsibilities • Deliver best-in-class Java platform code with a strong focus on architecture and design. • Build robust, scalable applications using industry-standard … current with industry trends in software development, infrastructure, architecture, and security. 🧠 Skills & Experience • Proven experience delivering complex software solutions (HR software experience is a plus). • Deep expertise in Java, object-oriented design patterns, multi-threading, and asynchronous paradigms. • Familiarity with Spring, Git, Postgres, MongoDB, and JavaScript. • Comfortable designing APIs and working within cloud-native architectures. • Experience writing performant Rust More ❯