end java developer jobs in Islington

You will help design and enhance a high‑performance used across trading, structuring, and quantitative research. This is a hands-on engineering role where you will work on scalable services, real-time risk calculations, and complex data pipelines that support high-volume trading activity.

Java Developer - Active SC, Java, REST Up to £420 per day (Inside IR35) London / Remote 6 months My client is an instantly recognisable Consultancy who are hiring a Java Developer with Active SC Clearance (Security Cleared), Java, ReactJS and NodeJS skills to work with a high profile end client. Key Requirements: Must have Active SC Clearance Strong experience in Java 1.8+ application...

Lead Java Developer - £140k, Equity, Sign-on Bonus Java25, Springboot, Microservices, AWS, TDD, React I am working with a high‑growth FinTech that’s about to enter a huge new chapter. They are a fast‑scaling FinTech that’s in the middle of a major rebrand, new name, new logo, and a shift to a truly global financial platform. The full reveal is coming in this quarter, and the energy inside the...

The Race to Zero: Senior Java Low-Latency Engineer (Fixed Income) 6 Months Contract London Hybrid Role Competitive daily rate. Our client "A premier global electronic trading powerhouse" is looking for a Java Specialist to lead a mission-critical shift in their E-Fixed Income (eFI) architecture. They aren't just looking for a "developer"-we need a systems artist who understands that in this...

You will also be assigned an expert tutor and a support mentor who will work with you 1-2-1 or in group sessions to provide additional training and support. Once the HTML & CSS courses are complete, your trainer will move you forward to the next stage. Stage 2 – Additional Online Training (*up to 12 weeks)

Contracts Manager / Business Development Manager High-End Fit-Out | Residential, Hotels & Prime Retail Location: London (Belgravia, Bond Street & Prime Central London) Type: Permanent, Long-Term Opportunity About the Company We are an established European general contractor delivering exceptional high-end fit-out and turnkey construction projects across luxury residential, five-star hotels,...

Front-End Developer - React, Typescript Location: Ipswich (Onsite, 5 days per week) Contract Duration: 7 months IR35 Status: Inside IR35 About the Role My client, a leading global tech company, is looking for an experienced Front-End Developer. This role involves rewriting existing in-house applications using TypeScript and React, ensuring they meet modern standards and deliver exceptional...

I'm looking for a Contract Java Software Engineer to join my client in their FinTech Business Unit. 6 month | Inside IR35 | Hybrid (1x week London) | £550 per day What you'll do: Develop scalable, high-performance systems and microservices Solve complex technical challenges and advocate best practices Support compliance processes with advanced tooling and analyticsRequirements: - Java + least...

Architect job now available in Chelsea, London. Join a collaborative studio offering strong work-life balance and the chance to work on super-prime residential projects in London and Italy. Established in 2009, this seven-strong practice is seeking an Architect or Architectural Designer to support its growing workload. The studio has a supportive culture where ideas are encouraged, and long-term...

Senior Java Developer | Backend | Microservices | FinTech | London | Hybrid | £120k I'm proud to partner with a global financial organisation, creating an app that allows people in countries like Mexico, Argentina, Colombia, and Brazil manage money in digital dollars and digital euros and it’s designed to protect users from local currency devaluation and make international spending easier. The...

Job Title: Senior Java Engineer (Smart Contract) Location: London Contract: 12 Months Are you a passionate Senior Java Developer looking to make a significant impact in an innovative environment? Our client is seeking a talented individual to join their dynamic team in London, where you'll design and develop cutting-edge microservices for a next-generation loans processing application. If you...

You will help design and enhance a high‑performance used across trading, structuring, and quantitative research. This is a hands-on engineering role where you will work on scalable services, real-time risk calculations, and complex data pipelines that support high-volume trading activity.

Job Title Commercial Manager / Senior Quantity Surveyor (High-End Residential) Location Mayfair / Knightsbridge, London Salary £70,000 - £75,000 per annum ASAP start available Overview We are working with a well-established construction consultancy specialising in high-end residential projects for private clients across prime central London. Due to continued growth, the Director is...

I am currently working with a London-based Commodities client who are actively seeking a Senior Java Developer to work on the development of a business-critical pre-trade platform. What you'll need to succeed: Extensive Java development experience within investment banking - Must have. Extensive Kafka experience. Strong experience with data streaming standards and design patterns. Strong...

Candidate Requirements We’re looking for someone who brings commitment, competence and a desire to grow. Ideal candidates will have:  Minimum 2 years’ experience in construction, interiors or specialist trades an advantage, but not essential  Strong commercial awareness  Good IT skills, particularly in Excel  Excellent communication skills — clear, professional and client friendly  A...

Full Stack Developer - Active SC, NPPV3, Java Up to £550 per day - Inside IR35 Remote 6 months My client is an instantly recognisable consultancy who require a Full Stack Developer with Active SC and NPPV3 clearance for a client within the public sector. Key Requirements: Proven commercial experience working as a Full Stack Developer within the Public Sector. Active SC and NPPV3...

Senior Backend Engineer (Java) London (Hybrid – 1 day a week in the office) Salary up to £85,000 I’m partnering with a well‑established product‑led technology company that builds high‑traffic backend platforms used by large organisations operating in highly regulated markets across the UK, North America and South America. The business has been around for many years and has grown its backend...

Platform Engineer - Active SC, Oracle, Nginx Up to £550 per day - Inside IR35 Hybrid 6 months My client is an instantly recognisable consultancy who urgently require a Platform Engineer with Active SC Clearance for an end client within the public sector. Key Requirements: Proven commercial experience working as a Platform Engineer within the public sector. Active SC Clearance. Experience...

Senior Full Stack Developer – Java & React Build Products That Shape High‑Stakes Decision‑Making I have partnered with a fast-growing tech firm who are building AI powered tools used by Fortune 500 business leaders. They are enabling them to make critical decisions across the business and have reportedly been ranked as #1 in their field! They’re scaling quickly, backed by major investment, and...

I am currently working with a London-based Commodities client who are actively seeking a Senior Java Developer to work on the development of a business-critical pre-trade platform. What you'll need to succeed: Extensive Java development experience within investment banking or commodities - must have. Extensive Kafka experience. Working knowledge of Python frameworks, e.g. Django, Flask, Pandas...