Senior Full Stack Java Developer jobs in Elstree

Full Stack Developer .Net Blazor | £50,000 - £75,000 We're working with a dynamic logistics and travel tech innovator on this exciting opportunity. Be one of the first engineers to join a newly established in-house team as they migrate a monolithic booking engine to a cutting-edge .NET 10 Azure-nati

Full Stack Developer - SC Cleared | £480 - £525 We're working with a leading specialist in secure public sector digital transformation on this exciting opportunity. Are you a security-cleared developer who thrives in fast-paced, high-impact environments? We are looking for a Python and React expert

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

Who We Are Galaxy is a global leader in digital assets and data center infrastructure, delivering solutions that accelerate progress in finance and artificial intelligence. We believe that blockchain and digital asset innovation will transform how value moves through the world – and we’re building t

Introduction At IBM CIC, we deliver deep technical and industry expertise to a wide range of public and private sector clients in the UK. A career in IBM CIC means you’ll have the opportunity to work with visionaries across multiple industries to improve the hybrid cloud and AI journey for the most

Position Description At CGI, you will turn emerging ideas into impactful, real-world solutions that shape how organisations innovate and operate. As a Full Stack Developer within our IP & Innovation team, you will design and deliver end-to-end products that move from concept to client deployment

Location: Peterborough or London (Hybrid) Reporting to: DevOps Manager We’re looking for a Senior Full‑Stack Developer to join a technology function that’s in the middle of an exciting modernisation journey. This is a hands‑on, senior individual contributor role where you’ll help modernise business‑

hackajob is collaborating with American Express to connect them with exceptional professionals for this role. You Lead the Way. We’ve Got Your Back. With the right backing, people and businesses have the power to progress in incredible ways. When you join Team Amex, you become part of a global and d

Company Description HireHop is a cloud-based SaaS equipment rental software built by rental professionals to simplify and enhance operations for businesses of all sizes. Trusted for its user-friendly interface, HireHop helps organizations manage bookings, inventory, and availability with greater eff

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

Full Stack Desk Developer – London - 140k RJC is working a Full Stack Desk developer role for a global energy trading company based in London. Working as part of the Cross Commodity Trading Desk, they are looking for a developer to work closely with traders in a quant/full stack capacity The role de

Senior Java/React Full Stack Developer - Appvia - Security Clearance eligibility required. Location: London, UK (Hybrid - ~1-2 days per month in office / onsite) Contract: Permanent, Full-time Package: £70,000-80,000 + 10% Bonus + 10% Shares + Benefits (see more below) About Appvia Appvia is a speci

Rapid Application Developer - JAVA London | Permanent Contract | Hybrid Margo is a Tech Native consultancy covering high value-added IT expertise for the market finance industry. We believe that the smart alliance between complex IT topics and the finance area brings the most challenging topics to o

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

I am hiring for Senior Android Developer - (Kotlin/Java/Performance Optimization) Location: London, UK (Hybrid) - weekly 2-3 Days in office Job Description: Designing and developing advanced mobile applications for the Android platform using Android SDK and Jetpack Compose Refactoring legacy C codeb

Job Req Id 26953948 Location(s) London, England, United Kingdom Job Type Hybrid Posted Apr. 16, 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

Citigroup

We’re looking for an expert level server side engineer, to join one our high-impact teams inside Citi’s CTO organisation. You’ll sit within Developer Enablement, a group focused on innovation, developer platforms and internal tools used across the bank, where we experiment and ship fast, like a star

Role Overview We are looking for experienced Java professionals to contribute to the development and ongoing support of large-scale, distributed systems. Must be Eligible for SC & have active SC Depending on your experience and interest, you will either focus on: Building new features and servic

I am hiring for Senior Android Developer - (Kotlin/Java/Performance Optimization) Location: London, UK (Hybrid) - weekly 2-3 Days in office Job Description: Designing and developing advanced mobile applications for the Android platform using Android SDK and Jetpack Compose Refactoring legacy C codeb

Job Description: Java Full Stack Developer Location: Reading or Croydon, UK (2 days onsite) Type: Permanent Role Overview We are looking for a Java Full Stack Developer to work on a large-scale government project. You will be involved in developing and supporting cloud-based applications and working