Contract Java Developer jobs in City of London

We have a new Contract Senior Java Developer position available with a European Investment Bank, to work on e-FX Front-Office Algo Trading projects. This is a Low Latency, Java, Algo, FX, multithreading developer role (not really web). London based, Hybrid working. 12 months initial assignment. Apply fast, check the full description by scrolling below to find out the full requirements for this...

About Us: Make sure to apply with all the requested information, as laid out in the job overview below. Solytics Partners provide products and services to BFSI and Healthcare firms. We use AI/ML& cutting-edge technology to develop next generation solutions or provide efficient services. We have strong team of PHDs in AI/ML and experts in BFSI, and healthcare industry. Our regulatory...

Senior Java Developer – FX Algorithmic Trading | £825/day Inside IR35 | London | 3 Days Onsite If you think you are the right match for the following opportunity, apply after reading the complete description. Our client, a global leader in the financial services industry, is seeking a highly skilled Senior Java Developer to join their FX Automated Client Execution team. This is a 6-month...

Lead Engineer – Investment Finance (Java & Cloud) City of London | £145,000–£155,000 | 4 Days in the office Maximise your chances of a successful application to this job by ensuring your CV and skills are a good match. We’re working with a prestigious investment finance organisation in the heart of the City of London, seeking a dynamic and technically astute Lead Engineer to drive innovation...

Contract Java SDET – Hybrid (Swindon/London) | Inside IR35 | £400 - £425 per day A leading technology company is seeking a skilled Java SDET to join their dynamic team on a contract basis. You’ll play a key role in shaping, planning, and delivering high-quality testing across functional and non-functional areas, ensuring releases exceed customer expectations. What You’ll Do: - Execute testing...

Java / Python Derivatives RegTech Developer - Contract role Banking Regulatory Technology Consulting Outside IR35 London Below covers everything you need to know about what this opportunity entails, as well as what is expected from applicants. Working as part of the Technology Solutions team you will be responsible for code development projects to map / analyse proprietary data models and...

Java Developer – Contract – Remote – £500/pd Outside IR35 – 6 months (likely 12 months) I’m working with a consultancy who are looking to hire a Java Developer (SC Cleared) on a contract basis for an initial 6-month assignment, expected to extend to 12 months. The role is fully remote, supporting a major central government project. Skills required: Strong Java and Spring Boot development...

Java Engineer – 6-Month Contract – Hybrid (2 days on site, London) - Day Rate: Up to £700 (Inside IR35) Join a high-performing engineering team working on large-scale, high-availability systems used by millions. This role offers the chance to build and enhance complex backend services in a modern, cloud-native environment. What you’ll be doing: - Designing and developing performant, scalable...

Job Title: Software Tester Location: London, UK (Remote) Job Type: Full-time contract, 12 Months Role’s Responsibilities: • Own and drive the end-to-end QA strategy for an asset or product, working closely with a team of 3–5 developers. • Design comprehensive test plans, test cases, and test data covering both functional and non-functional requirements. • Perform manual testing to validate user...

Paladign/Mainframe Developer Duration: initial 1 year contract Workload: Full time hours Setup: Contractor inside IR35 Location: Hybrid – 3 days/week onsite, 2 days remote The information below covers the role requirements, expected candidate experience, and accompanying qualifications. We’re urgently seeking a seasoned Paladign/Mainframe Developer to support and enhance a core wealth...

Quantitative Developer – Contract | London To be considered for an interview, please make sure your application is full in line with the job specs as found below. We’re looking for a Quantitative Developer to join a global investment management firm at the forefront of a major data and AI transformation. This is a London-based contract role working with senior technologists, AI engineers, and...

Working with a Global Energy Trader who is looking for a Senior Endur Developer to join their team on a Contract Basis Outside IR35 for 12 months Minimum. Are you the right applicant for this opportunity Find out by reading through the role overview below. The ideal candidate will: - Have a strong development background with hands-on experience across Openlink technologies and financial...

Senior Java Developer – FX Algorithmic Trading | £825/day Inside IR35 | London | 3 Days Onsite Our client, a global leader in the financial services industry, is seeking a highly skilled Senior Java Developer to join their FX Automated Client Execution team. This is a 6-month contract based in London , requiring 3 days per week onsite . You’ll work directly on the trading floor alongside quants...

Java Developer – Contract – Remote – £500/pd Outside IR35 – 6 months (likely 12 months) Find out more about this role by reading the information below, then apply to be considered. I’m working with a consultancy who are looking to hire a Java Developer (SC Cleared) on a contract basis for an initial 6-month assignment, expected to extend to 12 months. The role is fully remote, supporting a...

Senior Java Developer - Java, Springboot & AWS – paying up to £600/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...

Lead Engineer – Investment Finance (Java & Cloud) City of London | 💼 £145,000–£155,000 | 🏢 4 Days in the office We’re working with a prestigious investment finance organisation in the heart of the City of London, seeking a dynamic and technically astute Lead Engineer to drive innovation across both cloud infrastructure and application engineering. This is a hands-on leadership role for someone...

Job Description 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...

Hawksworth are now recruiting for a Senior Java Developer with extensive experience with Front Office Algo Trading projects. Want to make an application Make sure your CV is up to date, then read the following job specs carefully before applying. The job: - IT Low Latency Java Developer - 1 year contract with potential for extensions - Inside IR35 Rate £920 per day to the Umbrella Company -...

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...

We have a new Contract Senior Java Developer position available with a European Investment Bank, to work on e-FX Front-Office Algo Trading projects. This is a Low Latency, Java, Algo, FX, multithreading developer role (not really web). London based, Hybrid working. IT Low Latency e-FX Java Developer ~1 year contract with potential for extensions ~ Hybrid working (x3 days on site x2 days working...