Java Developer Hybrid - 2 Days/Week in London (Victoria) | £60,000-£80,000 + Benefits | Permanent We re seeking a talented Java Developer with strong Spring Framework experience to join a high-performing team delivering large-scale, enterprise-grade applications. Key Focus Areas: Design, develop, and maintain Java-based solutions using the Spring Framework Collaborate with cross-functional teams to deliver high-quality software Contribute to solution design, performance tuning, and code reviews Requirements: Proven experience as a Java Developer (Spring Boot/Spring Framework) Degree in IT or...  more ->

Java Developer - Equity Derivatives, Delta One, Java Client is looking for an experienced algorithmic trading Java developer with experience working with supporting Delta one trading. Experience in equities is preferable. Skills: - Equities derivatives exp - Core Java - Developed algo/trading systems - Developed low-latency frameworks - KDB (Bonus) Permanent/London/Hybrid By applying to this job you are sending us your CV, which may contain personal information. Please refer to our Privacy Notice to understand how we process this information. In short, in order to supply you with work finding...  more ->

Java Developer - Inside IR35 - Fully Remote My client are seeking an experienced Java Developer to join their tight-knit team developing and supporting a major change project. You will be contributing to the development of a number of different systems. You'll need a passion for cutting-edge technology and will provide technical input and innovation to ensure appropriate solutions are in place to meet business requirements. You'll also need to have an aptitude to pick up new skills quickly and work with other developers within the team and other areas of the organization. Candidates must...  more ->

Description Java Developer Primary Objective: Implement a reliable data pipeline written in Java: Consumes existing messages from the AMP bus (AMPS is a product from 60East) containing Json messages. Transforms and Routes messages to Dynatrace ingest endpoints. Publishes metrics/dimensions via Dynatrace v2 APIs. Enriches records with required Dynatrace metadata (eg, dt.entity.host) to correctly bind data to hosts/entities-method for building/maintaining the metadata mapping table to be agreed during design. Key Responsibilities Design and implement the message consumer and Router for...  more ->

We are Looking for Java Full Stack Developer with AWS Experience in Reading, UK Job Description:- Java/AWS developer will be responsible for developing solutions and simulators as part of the end to end solution. The role requires in-depth understanding of the software development life cycle and strong technical experience with an open-minded attitude and ability to rapidly adapt and learn. Requirements Hands on experience with Java 8 or above Hands on experience on writing Junits Hands on experience on Spring Framework, SpringBoot Hands on experience with relational database (eg PostgreSQL)...  more ->

Senior Java Developer Hybrid - 2 days onsite Our client, a leading enterprise organisation undergoing significant digital transformation, is seeking an experienced Senior Java Developer to join their high-performing engineering team. This is an excellent opportunity for a seasoned professional who thrives in complex environments and enjoys working with modern Java technologies at scale. What you'll bring: Proven experience in software design and development with Java-based technologies Experience in a senior developer or technical leadership role Strong, hands-on expertise with Java , Spring...  more ->

Senior Java Developer Hybrid - 2 days onsite Our client, a leading enterprise organisation undergoing significant digital transformation, is seeking an experienced Senior Java Developer to join their high-performing engineering team. This is an excellent opportunity for a seasoned professional who thrives in complex environments and enjoys working with modern Java technologies at scale. What you'll bring: Proven experience in software design and development with Java-based technologies Experience in a senior developer or technical leadership role Strong, hands-on expertise with Java , Spring...  more ->

Senior Java Developer Whitehall resources are looking for a Senior Java Developer. This role is hybrid working with 2 days per week onsite in London, and the remainder remote working, for an initial 6-month contract..Inside IR35* Job Description: This role will have a significant impact on delivering innovative solutions for one of the leading retailers in the UK, driving digital transformation and enhancing customer experiences. You'll work on projects that leverage cutting-edge technologies such as microservices, event-driven architectures, and cloud platforms, contributing to scalable,...  more ->

Senior Java Developer Contract - Analytics/Risk/PnL/Caching/AWS/PostgreSQL/Kafka/TDD Our leading investment banking client is looking for a Senior Java Developer to join them on an initial 12 month contract. Skills Required Derivatives, risk management and trading, market risk Market Data Financial Market exp Investment Banking development experience Java 17+ dev experience Apache Kafka Postgre SQL Contract - Central London based - flexible working - paying market leading rates By applying to this job you are sending us your CV, which may contain personal information. Please refer to our...  more ->

Description Summary This is a high profile role working on the eFX Algo IT team. The team develops the pricing, hedging and low latency order and price distribution team systems for the eFX desk. The team consists of Java and C# developers, developing Server Side and UI components respectively. This role is specifically a Java role, encompassing low latency market connectivity work and associated services around that. It is a hands on development role. As a team member, you would also be expected to contribute towards estimation and the ability to work with functions such as Business...  more ->

Contract Algo Trading Java Developer - eTrading, low latency, Java APIs, Multithreading, FIX Our Investment Banking client is looking for an Algo trading Java developer to join the team to work on new initiatives and support for business critical algorithmic trading engines. The team provides innovative solutions for low touch, low latency trading, which includes FIX connectivity, low latency market connectivity, smart order routing, algorithmic trading and internal crossing. The requirement is for a core Java developer. The team is working on a number of algorithmic engines that support...  more ->

We are seeking a Full Stack Developer to join the Credit & Rates Trading team at a leading investment bank. This role will be central to the re-engineering of several Legacy trading applications, contributing to the design and delivery of modern, Real Time trading systems. Key Requirements Candidates must demonstrate strong technical expertise in Real Time systems design and development, with advanced proficiency in React/TypeScript and solid Java skills. Experience & Skills Proven full stack development experience (React 70%/Java 30%) Advanced React and TypeScript skills, with experience in...  more ->

Senior Java Developer | Fullstack | Microservices | HealthTech | Wokingham | £85k I'm proud to partner with the UK's largest and fastest-growing EPR business, driving digital healthcare transformation with pioneering cloud and SaaS technologies. They have become a critical platform in hospitals around the UK and is one of the most widely used clinical applications by doctors. They are looking for an experienced Senior Java Developer to help develop their rapidly growing application. This isn't just another coding job, it's an opportunity to build technology that directly impacts lives and...  more ->

A leading global investment bank is seeking a Java Developer/eTrading Strategist to join its London Rates eTrading team. This Front Office role sits at the intersection of quantitative research, trading, and technology, focused on delivering high-performance Java systems for pricing and electronic execution across the bank's global Rates business. The Role You will design, build, and optimise low-latency Java components supporting Real Time pricing, algorithmic execution, and market connectivity.Working closely with quants and traders , you'll transform quantitative models and execution logic...  more ->

Senior Java Low Latency Algo SME - Java, Low Latency, Equity, London This role requires a very Tech focussed Java Low Latency/Algo Developer who: Has been involved with all aspects of the development life cycle (gathering requirements, developing code, writing unit tests, reviewing patches, performing 2nd level support etc.) Excellent communication skills In depth understanding of core Java API s (collections, concurrency, NIO etc.) An understanding of and experience with multithreaded systems, working knowledge of the Java garbage collector, familiar with low latency I/O. Pease refer to our...  more ->

Senior Developer - Healthcare Projects Location: UK Remote Rate: £300-350 Inside IR35 Duration: 6 months Start: January (BPSS clearance required before start; SC likely to follow) Fully Remote Need NHS Experience We're seeking Senior Developers to join a high-profile healthcare programme delivering modern, secure, and scalable digital services. Key Responsibilities & Tech Stack: Work with the Healthcare Frontend Toolkit and Design System to build accessible, user-focused interfaces. Develop Back End services primarily in Python , while supporting existing systems in Java and .NET.Maintain and...  more ->

Full-Stack Developer - HIRING ASAP - BPSS Clearance Start date: ASAP Duration: 2.5-week contract - Possibility of extension Location: Based in the London office Rate: £700 - £748 per day outside IR35 Key Skills Experience in a SOLAS (Safety of Life at Sea) environment This could include commercial shipping, government agencies (eg Maritime and coastguard agency) or an adjacent area. Familiarity with hydrography and navigational charts Ideally S-100 but S-57 at a minimum. Cloud & Legacy Migration Successfully contributed to the migration of critical Legacy systems to cloud-based...  more ->

Senior Developer - £400PD - Remote We are seeking a skilled and collaborative Senior Developer to join our engineering team. In this role, you will contribute to the design, development, and maintenance of high-quality Back End services and infrastructure platforms. You will work across a modern technology stack and help shape best practices for delivery, automation, and open ways of working. Key Responsibilities Backend Development: Develop and maintain Back End services, with Python as the preferred language for new systems. Provide support for services built in Java and .NET, ensuring...  more ->

Quantitative Developer - (Python | Equities | Backtesting) Key Skills: Python, Equities, Backtesting, Data Analysis, Systematic Trading A leading financial organisation is seeking a Quantitative Developer with strong Python expertise and solid equities knowledge. You will contribute to the design, development, and optimisation of systematic trading models, backtesting frameworks, and analytical tools. (Client name intentionally omitted) Role Overview Build and enhance Python-based tools, analytics, and trading model components Develop and refine backtesting frameworks to support systematic...  more ->

Senior Developer - AWS Cloud Full-Stack Day Rate: Up to £440 per day (inside IR35) Location: London/Remote Contract Length: 12 January 2026 - 31 January 2027 Clearance: BPSS eligibility required A major digital transformation programme is seeking an experienced Senior Full-Stack Developer with strong AWS engineering skills, deep TDD experience, and the ability to work across modern cloud-native and data-driven systems. You will be joining a high-performing Agile delivery team responsible for building, supporting and iterating secure, scalable services used across a large national...  more ->