Java Developer Freelance jobs in Westminster

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

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

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 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

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

Mindrift is looking for skilled Integration Developers (API Specialists) to join the Tendem project ( https://tendem.ai/ ) and build robust system integrations within our hybrid AI + human environment. In this role, as an AI Pilot - that's how we refer to this position at Mindrift - you'll collabora

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

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

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

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

Stirling Warrington

Title: CMM Programmer Location: Wellingborough Salary: £18.00 - £24.00 per hour Shift: Days Benefits: Overtime Availability (Up to 2x), Company Pension, Opportunities for Development A great opportunity to join a precision engineering business as a CMM Programmer. Working within the quality team, yo

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

Stirling Warrington

Title: CNC Milling Programmer Location: Wellingborough Salary: £18.00 - £22.00 per hour Shift: Days Benefits: Overtime Availability, Company Pension, Opportunities for Development, Days only A great opportunity to join a forward-thinking manufacturing team working across multiple sectors as a CNC Mi

Description Statistical Programmer About Astellas Astellas is a global life sciences company committed to turning innovative science into VALUE for patients. We provide transformative therapies in disease areas that include oncology, ophthalmology, urology, immunology and women's health. Through our

About Us:- Net2Source Inc. is one of the fastest growing diversities certified global workforce solutions companies with an unprecedented YoY growth of over 100% for last 6 years working with Fortune 1000/Global 2000 across 34 countries and 5 continents including North America, South America, Europe

Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global mark

Senior Java Developer - Contract - Kafka / AWS / Kubernetes 📍 Hybrid – 3 days onsite in London 💰 Up to £750 per day (Inside IR35) 📅 12-month contract (strong extension potential) We’re looking for a Senior Java Developer to join a high-performing team building large-scale, cloud-native platforms.