9 of 9 Java Developer Jobs in Hertfordshire

the years, we have experienced explosive growth - which means we need more rock stars to join our quest for total world domination. We are looking for an awesome Senior Java Backend Developer to join our growing team. The role isa hybrid based one in the UK (St Albans), Malta, or Gibraltar, fullyremote from EU is an option too. … player with excellent communication and collaboration skills that demonstrates critical thinking and problem-solving abilities, and able to manage their time. 5+ years of in-depth practical experience with Java and Spring . Knowledge of other JVM-based languages, especially Kotlin is a plus. Solid understanding of web application architecture and microservices. Strong grasp and professional experience with concurrent More ❯

Social network you want to login/join with: Senior Java Developer (Trading Platform), Waltham Cross col-narrow-left Client: Crypto.com Location: Waltham Cross, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 3be38d86e9a2 Job Views: 3 Posted: 25.06.2025 Expiry Date: 09.08.2025 col-wide Job Description: The Trading Infrastructure team is building … execution algorithms, risk engines, UI dashboards, middle office reconciliation, and account infrastructure. We emphasize event-driven, deterministic system design, real-time observability, and strong security. Our tech stack includes Java (low-latency), Python, Web UI (React/Ag-Grid), Aeron, ClickHouse, Kubernetes, and modern CI/CD tooling, with a strong focus on automation, scalability, and performance. AI-assisted … to ensure high standards across the codebase. Use AI-driven coding tools (e.g., GitHub Copilot or similar) to accelerate development and improve productivity where appropriate. Requirements 5+ years of Java backend development experience, preferably in a trading or real-time system environment. Deep understanding of Java core internals, multithreading, memory models, and garbage collection. Proven experience in GC More ❯

Social network you want to login/join with: Senior Java Developer, watford, hertfordshire col-narrow-left Client: Accenture Location: watford, hertfordshire, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 3 Posted: 31.05.2025 Expiry Date: 15.07.2025 col-wide Job Description: Please Note: Any offer of employment is subject to satisfactory BPSS … cloud, utilising modern DevSecOps tooling and principles, and an automation-led testing approach. We are looking for experience in the following skills: Our core language for this role is Java (Spring/MVC), so experience is essential You have experience with Cloud Native technologies on at least one of the major cloud providers (AWS, Google Cloud, or Azure), with More ❯

Senior Java Developer - Remote - up to £95K, stevenage Client: Halian Location: Job Category: Other - EU work permit required: Yes Job Views: 4 Posted: 26.06.2025 Expiry Date: 10.08.2025 Job Description: Senior Java Developer - Remote - up to £95K Halian is currently supporting a multi-national and award-winning organisation who are looking for a talented and experienced Java Developer to join their dynamic team on a permanent basis. This is a great opportunity to create exceptional customer experiences and work on cutting-edge technology! As a Senior Engineer, you will be responsible for leading the design, development, and maintenance of high-performance core applications. Whilst overseeing multiple teams, you will play a pivotal role in shaping … quality solutions. Location: South East/Remote. Salary: up to £95,000 + + competitive benefits, depending on experience. Requirements: Experience building and shipping large scale applications Knowledge of Java AND OR Kotlin A solid understanding of AWS OR GCP Experience with TDD and pain programming. Experience with third-party libraries and APIs. Experience leading engineering decisions in a More ❯

the complete application lifecycle from requirements analysis, development, testing, to deployment (CI/CD). Participate in code reviews and provide feedback to team members. Mandatory skills (must-have): Java Full Stack Developer with excellent communication skills and stakeholder management experience. Proficient in developing and maintaining web applications using the Spring Boot framework. Experience in developing API specifications More ❯

Java Developer x 2 - St Albans - New! (REFGJ26) Location: St Albans (Hybrid) A market-leading software solution provider are looking for talented Java Developers to join their growing, autonomous team. You will be working on cutting-edge, end-to-end, AI-enabled solutions to create intricate & complex software platforms. Writing scalable code & helping in architecture design will … be a huge part of your day-to-day. Tech stack includes: Java Spring Rust (bonus) PostgreSQL/Relational DBs Git REST APIs If you are well-versed in Java with strong object-orientated design experience & a collaborative approach to solving problems, then please apply for more details More ❯

Java Developer x 2 - St Albans - New! (REFGJ26), Watford, Hertfordshire Client: RedRock Resourcing Location: Watford, Hertfordshire, United Kingdom Job Category: Other EU work permit required: Yes Job Views: 3 Posted: 27.06.2025 Expiry Date: 11.08.2025 Job Description: A market-leading software solution provider is looking for talented Java Developers to join their growing, autonomous team. You will be … end-to-end, AI-enabled solutions to create intricate & complex software platforms. Writing scalable code and assisting in architecture design will be a significant part of your daily tasks. Java Spring Rust (bonus) PostgreSQL/Relational Databases Git REST APIs If you are well-versed in Java with strong object-oriented design experience and a collaborative approach to More ❯

you want to login/join with: Location: Primarily Remote (with meet ups twice a month) Salary: £80,000 - £90,000 (Flexible based on experience) Are you an experienced Java developer looking for a new challenge? Do you thrive in an environment where you can take ownership of key areas and solve complex problems independently? Are you ready … be part of something exciting? Then this may be for you: Mostyn Chase are conducting an exclusive search for a well-established fintech in the payments space for Senior Java Developers to join this growing and dynamic team. The roles are designed to bring in developers who can work independently, solve complex problems, and eventually take ownership of key … full-stack development, focusing on building scalable and secure web applications, and participating in the entire software lifecycle—from gathering requirements to deploying solutions. If you are an experienced developer who enjoys working autonomously and is comfortable working in a flexible, remote-first environment, this could be the perfect opportunity for you. The ideal candidate will have the following More ❯

Location: Primarily Remote (with meet ups twice a month) Salary: £80,000 - £90,000 (Flexible based on experience) Are you an experienced Java developer looking for a new challenge? Do you thrive in an environment where you can take ownership of key areas and solve complex problems independently? Are you ready to join a growing team, contribute meaningfully … be part of something exciting? Then this may be for you: Mostyn Chase are conducting an exclusive search for a well-established fintech in the payments space for Senior Java Developers to join this growing and dynamic team. The roles are designed to bring in developers who can work independently, solve complex problems, and eventually take ownership of key … full-stack development, focusing on building scalable and secure web applications, and participating in the entire software lifecycle—from gathering requirements to deploying solutions. If you are an experienced developer who enjoys working autonomously and is comfortable working in a flexible, remote-first environment, this could be the perfect opportunity for you. The ideal candidate will have the following More ❯