backend java developer jobs in Farringdon

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...

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...

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...

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...

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...

Android Developer Location: Central London (Onsite) Employment Type: Permanent Salary: £50,000 - £70,000 (DOE) Visa Sponsorship: Not available We're working with a growing organisation based in Central London that's looking to hire a Native Android Developer to join their mobile engineering team. This is a onsite role, ideal for someone who enjoys close collaboration, hands-on development, and...

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.

You will take a lead role in building high-quality, accessible, and maintainable front-end solutions across a single-page admin platform and a progressive web application. Working closely with UX, design, and backend developers, you will help shape front-end architecture, improve performance, and mentor other engineers.

You will mainly work on the backend with Python (and ideally C# which is also used), developing new features in an Agile environment while also working extensively with AWS/Azure. You’ll work collaboratively with different teams across the business and also get the platform to progress and take more responsibility within the business – something they really encourage across their tech teams!

We’re looking for a Senior-level Software Engineer with strong JavaScript/TypeScript skills and experience across modern web stacks. You’ll be instrumental in our transition away from Drupal as we modernise and scale our platform. Tech Stack: At least 6-8 years commercial experience with JavaScript or TypeScript and Node Exposure of Laravel and/or Python (Django or Flask a...

Salesforce Developer Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices. Up to £65k plus excellent company benefits. Due to the nature of this position, you must be willing and eligible to achieve a minimum of SC clearance. To be eligible, you must have been a resident in the UK for a minimum of 5 years and have the right to work in the UK. About...

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...

You will play a key role in designing, developing, and maintaining applications built using Laravel, PHP, Vue, TypeScript, MySQL, and AWS services. The position combines hands-on development with technical leadership, contributing to architectural decisions, modernisation of legacy systems, and mentoring of other developers.

You will architect "Tier 0" services that filter and protect content across Who You Are * Expertise: Deep knowledge of Java and Python. The Stack: Experience with Ray, Apache Beam/Scio, dbt, and BigQuery. Mindset: Comfortable leading in ambiguous problem spaces and delivering end-to-end solutions at scale.

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...

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...

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...

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...

Senior Developer - Active SC, Java, Oracle Up to £550 per day (Inside IR35) London / Hybrid 6 months My client is an instantly recognisable consultancy who urgently require a Senior Developer with Active Security Clearance (SC), to join a business-critical programme. Key Requirements: Proven experience working as a Senior Developer within the public sector. Active Security Clearance...