Senior Full Stack Java Developer jobs in St Albans

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

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

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

Haystack

Senior Java Developer x 3 | £825 - £850 We're working with a prestigious Tier-1 Investment Banking powerhouse on this exciting opportunity. Step into a high-octane environment to spearhead the evolution of business-critical systems within the Equity Derivatives space. This is a rare chance for elite

Company Description Mohkam Media Ltd specializes in AI-powered systems that help businesses capture every customer inquiry, ensuring no opportunity is missed. Our innovative solutions, including AI voice reception systems, inquiry capture automation, AI chat assistants, and lead follow-up workflows,

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

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‑

Full Stack Developer - .Net React | £50,000 - £75,000 We're working with a dynamic logistics technology innovator on this exciting opportunity. They are launching a major digital transformation to bring their core engineering in-house, offering you the chance to be a founding member of a high-impact

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

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

Haystack

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

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

I’m working with a leading global hedge fund that is looking to hire a mid-level Full Stack Developer to join their London office and help modernise and build out core applications used across trading, treasury, risk, and middle-office functions. This is a hands-on engineering role where you’ll deve

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 opportunity to grow your career, give back to your community and make a real impact. Job Overview We'r

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

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

Java Developer {"description": " Job Introduction The IT team is responsible for the delivery, support and maintenance of Handelsbanken PLC's Core Banking systems encompassing Platforming, Risk, Payments, Lending and Customer Data. The team is currently in the process of expanding. We require an add

We are seeking a senior Java Backend Developer with expertise in complex projects with AWS infrastructure What difference will you make? You will help taking to the market a unique system to preserve information from biases What are we looking for? Qualifications Strong proficiency with application

Job Summary Seeking a Specialist with 5 to 7 years of experience in Java Frameworks and Kotlin to develop scalable and efficient backend solutions using Microservices Spring and Spring Boot. Job Description Develop and maintain robust Java applications using Spring and Spring Boot frameworks Design