Contract Java Developer jobs in City of London

Job Description Job Title: Java Developer (OMS Specialist) Location: London (Hybrid Working) Working Pattern: 2–3 days onsite per week Employment Type: Permanent Overview A London-based financial technology organisation is seeking an experienced Java Developer to join its engineering team. The successful candidate will play a key role in the design, development, and enhancement of a...

You will be working with the front office at all levels to ensure that the requirements, design and build are conducted accurately and efficiently. The most important responsibility, however is applying your etrading platform experience to a high quality development environment.

We are seeking a highly experienced Lead Java Developer to join our team on a contract basis (Inside IR35). Required experience: Technical Expertise: Expert-level proficiency in Java and Kotlin development, demonstrated within large-scale, production environments. Team Leadership: Strong team lead background with significant experience coaching, mentoring, and leading senior and junior...

You will work closely with traders, quants, financial engineers, and technology partners, contributing directly to the performance, resilience, and evolution of a mission-critical e-trading platform. What You’ll Be Doing - Design, build, and enhance a robust, ultra-low latency Fixed Income electronic trading platform

Job Title: Java Developer (Electronic Trading Platform - FIC) Contract Type: Outside IR35 Location: London Day Rate: Up to £950 per day Flexible Hybrid working: 1-2 days a week in London City offices Client: Prestigious Investment Bank Industry: Investment Banking Duration: 12 months +. Also open to contract to permanent conversions Overview: We are seeking an experienced Java Developer...

Mid-Level Software Engineer (Java / AWS) Contract | £350 per day Inside IR35 | Hybrid (1 day pw London) We’re supporting a large, well-established UK organisation on a key digital delivery programme and are looking for two mid-level Software Engineers to join an existing engineering team. This is a hands-on development role suited to engineers who enjoy writing clean, testable code, working...

Job Description Senior Java Developer - Java, Springboot & AWS – paying up to £650/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile, high-ownership engineering culture. What...

About Us: Solytics Partners is a Global Analytics firm, recognized with multiple industry awards for innovation and excellence. Our team comprises experts with deep domain knowledge in risk, analytics, AI/ML, AML/FCC, and fraud. By converging this expertise with cutting-edge technologies like AI, Machine Learning, Generative AI, and Large Language Models (LLMs), we deliver powerful automated...

ACBS Developer Location: Hybrid 2-3x per week Day rate: £400 - £500 Key Responsibilities Design, develop, and maintain solutions within FIS ACBS Customize and enhance ACBS Loan IQ / ACBS core modules (depending on platform scope) Develop and support Java / J2EE-based ACBS components Build and maintain interfaces between ACBS and upstream/downstream systems Perform batch processing, reporting,...

Job Description 🚀 Java Back-End Developer (Azure / AWS) – Contract | London (Hybrid) Contract: 12+ months IR35: Outside IR35 Location: London (Hybrid – 3 days onsite) We are supporting a consultancy delivering enterprise-scale technology programmes for a major client. They are seeking an experienced Java Back-End Developer with strong cloud (Azure/AWS) expertise to join a long-term...

Senior Software Engineer/ OutsideIR35 Contract/ Java/ AI / LLM Title: Senior Software Engineer (Java/ AI/ LLM) Contract: 6months OutsideIR35 Location: London (hybrid) Pay: £(Apply online only)p/d Looking for senior software developer, to join a 6month contract with our client an established brand in the financial services sector. You would be joining a small team pioneering AI in their...

Front Office FX Trading Technology - Global Banking & Markets A leading global investment bank is seeking a Python Developer to join its Front Office FX Options Technology team. This is a high-impact role where you’ll work closely with traders and developers to build cutting-edge, high-performance trading systems - leveraging big data and algorithmic models to analyse and predict market behaviour...

Europe or Remote (Permanent/Contract) Key Responsibilities - Serve as a technical subject matter expert on Endur, providing guidance and support throughout the project lifecycle. - Lead the technical implementation of Endur solutions, including enhancements, system configuration, data migration and version upgrades. - Design and architect object-oriented Endur-based solutions that meet client...

Open Stack, Salesforce & React Native Specialists - London Want to make an application Make sure your CV is up to date, then read the following job specs carefully before applying.Atrium EMEA are looking for several Open Stack / Salesforce & React Native Specialists to support the Development teams onsite with a client in London. 12+mths contract, 2 days onsite/3 days remote, PAYE/Umbrella...

You will collaborate closely with cross-functional partners to push technology forward, even in areas where solutions are still being defined. Key Responsibilities - Monitor industry and company-wide computing technology trends to evaluate and develop new capabilities aligned with the product roadmap.

Job Title: Java Developer (Electronic Trading Platform - FX) Contract Type: Outside IR35 Day Rate: Up to £950 per day Flexible Hybrid working: 1-2 days a week in London City offices Client: Prestigious Investment Bank Investment Banking Also open to contract to permanent conversions We are seeking an experienced Java Developer to join a high-profile investment banking client in London on a...

Senior Java Developer - Java, Springboot & AWS – paying up to £650/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile, high-ownership engineering culture. Build and scale backend...

We are seeking a highly experienced Lead Java Developer to join our team on a contract basis (Inside IR35). Required experience: Technical Expertise : Expert-level proficiency in Java and Kotlin development, demonstrated within large-scale, production environments. Team Leadership : Strong team lead background with significant experience coaching, mentoring, and leading senior and junior...

Mid-Level Software Engineer (Java / AWS) Contract | £350 per day Inside IR35 | Hybrid (1 day pw London) We’re supporting a large, well-established UK organisation on a key digital delivery programme and are looking for two mid-level Software Engineers to join an existing engineering team. This is a hands-on development role suited to engineers who enjoy writing clean, testable code, working...

Java Back-End Developer (Azure / AWS) – Contract | London (Hybrid) Contract: 12+ months Location: London (Hybrid – 3 days onsite) We are supporting a consultancy delivering enterprise-scale technology programmes for a major client. They are seeking an experienced Java Back-End Developer with strong cloud (Azure/AWS) expertise to join a long-term engagement working on modern, microservices-based...