Full Stack Java Developer jobs in Hertfordshire

About this role Are you interested in building innovative technology that shapes the financial markets? Do you like working at the speed of a startup, and tackling some of the world’s most interesting challenges? Do you want to work with, and learn from, hands-on leaders in technology and finance? A

Role: Java Backend Developer Location: London, UK Permanent Full time employment SC Cleared/SC Eligible Job Summary: As a Specialist II in Backend Development, you will leverage your expertise in Java 17/21 and Java EE library migrations to enhance and upgrade middleware systems. Your role will invo

Senior Java Full Stack Engineer, Vice President {"description": " About this role Are you interested in building innovative technology that shapes the financial markets? Do you like working at the speed of a startup, but want to solve some of the world's most complex problems? Do you want to work wi

ECM Selection (Holdings) Limited

€45,000 - €70,000 /year

Requirements Must have: - A solid academic background with a degree in Computer Science or a similar subject. - Substantial commercial software engineering experience and familiarity with Agile development processes, CI/CD, and software testing strategies. - Strong coding skills, ideally in Java, a

At Broadridge, we've built a culture where the highest goal is to empower others to accomplish more. If you're passionate about developing your career, while helping others along the way, come join the Broadridge team. We are excited to announce an opportunity for a Senior Lead Developer to join our

This is one of the world's top algorithmic trading firms, looking for an experienced full stack developer to architect and design enhancements for global web-based systems using mainly Python and React. Working closely with teams across the firm - Algo, Business Development, Middle Office, Trading T

IDAM Back-end Java Developer - SC Cleared | £500 - £535 We're working with a global tech powerhouse delivering mission-critical digital transformation for the UK public sector on this exciting opportunity. We are seeking a high-caliber Senior Java Developer with deep IDAM expertise to spearhead a ma

INTEC SELECT LIMITED

Lead Full Stack Developer (Next.js / React) - Build Greenfield Platforms UK-Based | Hybrid | Up to £110,000 Overview: I’m working with a global brand that’s going through a major digital transformation and investing heavily in modern, cloud-native technology. They’re looking for a Lead Full Stack De

About this role Are you interested in building innovative technology that shapes the financial markets? Do you like working at the speed of a startup, but want to solve some of the world’s most complex problems? Do you want to work with, and learn from, hands-on leaders in technology and finance? At

VP, Senior Full-Stack Engineer (Java & Angular) {"description": " About this role Are you interested in building innovative technology that shapes the financial markets? Do you like working at the speed of a startup, and tackling some of the world's most interesting challenges? Do you want to wo

3rd Line Back End Developer Methods Business and Digital Technology Limited Methods is a £100M+ IT Services Consultancy who has partnered with a range of central government departments and agencies to transform the way the public sector operates in the UK. Established over 30 years ago and UK-based,

Data Idols

€36,000 - €42,000 /year

Requirements Must have: - Background working with PHP or WordPress - Strong experience working with React - Experience working with Javascript - Comfortable acting as the primary technical owner Responsibilities: - Lead a discovery and assessment phase across existing product platforms - Review curr

About this role If you are a seasoned Java Engineer passionate about building world-class trading systems, we would love to hear from you! You should be eager to collaborate with a team that values innovation and quality. In the role of Senior Java Developer at BlackRock's Aladdin core, you will dev

Job Req Id 26956115 Location(s) London, England, United Kingdom Job Type Hybrid Posted Apr. 17, 2026 Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the o

Introduction At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors. You’ll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver sol

Tracsis

Junior Java Developer Hybrid - London Our talented people are creating the technology of the future. From scheduling to maintenance to keeping people safe, 2.7 million people are helped by our software daily. Technology makes it possible; people make it happen and you could be part of that. The Trac

About Us: Founded on the grounds of innovation – iXceed Solutions is an ISO certified, leader in Talent and Digital recruitment solutions, serving Fortune 100 companies globally. About the Role We are seeking a Java with Kotlin Developer with 5–7 years of experience in backend development using mode

We are looking for an experienced Senior Java Developer to join an exciting opportunity in Ireland or the UK . If you are passionate about building scalable applications and working with modern technologies, this could be the perfect role for you! Position: Sr. Java Developer Location: Ireland / UK

Role: Java L3 Support Engineer Location: Croydon, UK (2 Days in a week Onsite is required) Type: Permanent SC Eligible Must have skills: Extensive server-side, hands-on Java 8+ development experience with strong Spring, Spring Boot & Hibernate Strong understanding of Microservice architecture Ex

Senior EFX Java Developer | £90,000 - £125,000 We're working with a leading global technology consultancy and FTSE-listed talent powerhouse on this exciting opportunity. Join a high-performance front-office team at a major financial institution to build the next generation of strategic EFX pricing a