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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 world, latency is the only metric that matters.The Tech Stack The Core: Low-latency Java (Mechanical Sympathy, Memory Tuning, GC Avoidance). The Connectivity: TransFICC specialization, TCP/UDP,... more ->
Must have Government experience My client are looking for an experienced Java Developer with strong expertise in AWS and Spring Boot to join our engineering team. You'll play a key role in designing, building, and maintaining scalable, secure, and high-performance applications within a cloud-native environment. Essential Skills & Experience: Java AWS Spring Boot more ->
Lead Java Developer | Backend | Microservices | FinTech | London | Hybrid | £140k 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 team consists of people with experience in leading companies such as Revolut, Goldman Sachs, Boston Consulting Group, McKinsey, UBS and more. They are backed by huge investors and work with partners such... more ->
Contract Java Developer (AI-Powered) Location: 5 Days p/w Onsite - Birmingham Duration: 12-Month Contract IR35: Outside IR35 Rate: £550p/d - £650p/d Opus is partnering with a financial services business to work on a new workflow reporting platform and data sourcing. They are looking for a Java Contractor that has commercial experience using AI Coding Tools. Required Skills & Qualifications Java AWS Commerical Experience using an AI Coding Tool such as (DevinAI, Cline, SWE-Agent, Devika, Cursor, Github Copilot, Windsurf) Interested? Click apply if you are interested in this position or email... 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 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 ->
Tecknuovo is a deliberately different digital consultancy, delivering secure, modern solutions while upskilling client teams to ensure zero long-term dependency. We are seeking an SC-cleared Java Developer to support a central government digital programme , working on Java and Spring Boot applications hosted on AWS.The role focuses on maintaining and enhancing production-grade services, embedding secure-by-design and zero-trust principles, and collaborating closely with DevOps, Application Support, and business stakeholders to ensure stability, resilience, and operational excellence within... more ->
Job Summary: Designs, runs and improves software that meets user needs. Competent Java developer with significant experience in AWS cloud services. Proficient in AngularJS, Jenkins, Karate, Gherkin and Cypress, Cloudformation, Jenkins, Groovy and deploying to native AWS services like ECS, S3, Lambda, SQS, Step Functions. Certification: Expected to have AWS Certified DevOps Engineer Professional accreditation or above Responsibilities: Write clean, secure code using test-driven approach. Create reusable and open code. Collaborate with other developers. Fix service faults and maintain... more ->
Job Title: Lead Java Developer Rate: £572 (Inside IR35) Duration: 6 months Location: Remote - One Day Onsite in Manchester per week Clearance: BPSS Stages: 1 Stage Must have hands-on experience with Azure , Java , API & system integrations , Back End development , and microservices architecture.Key Responsibilities Lead the design and development of scalable Java-based Back End services Provide technical leadership and guidance to development teams Design, build, and maintain microservices architectures on Microsoft Azure Develop and integrate RESTful APIs and support complex system... more ->
Senior Backend Developer (Java, Kotlin, AWS, Current SC Clearance) Initial 6-month contract - £700 per day (inside IR35) - Hybrid working arrangement, various UK offices available Clearance required SC is required for this role. Our government client has an immediate requirement for a Senior developer (Java, Kotlin, AWS, Current SC Clearance) to join a Security Cleared team to develop a new system enable to the automated triggering of algorithms, to identify trends and efficiently match relevant data sets for the organisation. This role will be key in building the Back End infrastructure.... more ->
Full Stack Developer - Java, React, Node.js, TypeScript, AWS Location: Manchester (Onsite) Duration: 5 months Hours: 37.5 hours/week.Urgent 5-Month Contract - Role hiring now!* This is a.Manchester* based role with an excellent immediate start within a Global T echnology Client that is working on.designing and delivering features that enhance content discovery, comparison experiences.* About the Role Our client is looking for a Senior Full Stack Developer to join their Cars Content Experience (CCX) team. This team focuses on improving how user-generated content and ratings build trust and... more ->
Job Description We are seeking a motivated and enthusiastic Junior Java Developers to join our software development team. As a Junior Java Developer, you will work closely with senior developers and team members to design, develop, and maintain Java-based applications. This is an excellent opportunity for someone looking to grow their career in software development and gain hands-on experience in a collaborative and supportive environment. The successful candidate must be eligible and willing to go through SC/DV clearance. Key Responsibilities Develop, test, and maintain Java-based... more ->
Inside IR35 £570 Hybrid - 1 day per week in Manchester Public Sector Project 6-12 Months Overview We're looking for an experienced Lead Java Developer to join a major public sector digital transformation programme. You'll lead technical delivery across complex Java-based services, guide engineering teams, and ensure best-practice development aligned with GDS standards. Key Responsibilities Lead end-to-end development of scalable, secure Java services within a multi-team environment. Provide technical leadership, mentoring and direction to Java engineers. Work closely with architects, product... more ->
I am working with a consultancy feeding into the public sector looking for 2x SC preferable Java developers. Inside IR35 £400 per day Start date - immediate End date - 29th April 2026 Active SC preferred TDD and BDD. Java 21 (or later). Microservice architectures. Agile environment activities Pair programming environment activities. Implementing APIs for internal and external use. Build a useful, robust automated test suite to support a continuous deployment environment. Communicate technical concepts to a non-technical audience. Using Unix-like operating systems such as Linux and/or Mac OS... more ->
Our client is in the Public Sector and they are looking to grow the team with an Application Developer. This role can be done mostly remote with odd travel to the head office in Manchester. Client Details Our client is in the Public Sector and they are looking to grow the team with an Application Developer. This role can be done mostly remote with odd travel to the head office in Manchester. Description Develop, test, and deploy software applications tailored to organisational needs. Collaborate with cross-functional teams to gather and analyse technical requirements. Ensure the maintenance... more ->
Java Engineer | Glasgow based | Must have Azure experience! | £550-£700 (Inside IR35) | 6 months initially (likely extension) We're looking for a Java Engineer, that has previous experience working with Azure, specifically Azure app services for a range of exciting projects. If you don't hold strong experience in this cloud, it will not be right for you. Rate: £550-£700 (Inside IR35) Length: 6-month initial contract, strong likelihood of extension Location: Scotland (fully on site) Key Skills & Experience: Strong core Java development background Experience with Spring Boot Exposure to Azure... more ->
Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Role: Senior Java Developer Duration: 12 Months Location: Welwyn Garden City (2 to 3 days in office) Rate: £700 inside umbrella As a Senior Java Developer, you will be a vital contributor to our... more ->
Full Stack Developer (80% React/20% Java) Location: Fully Remote (UK Based) Rate: £525 per day (Inside IR35) Clearance: Active SC Clearance (Essential) Contract Length: Initial 6 months We are looking for a Frontend-heavy Full Stack Developer to join a long-term digital transformation programme click apply for full job details 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 ->
I am currently working with a London-based investment bank who are actively seeking a Senior fullstack Java Developer to work on the development of a business-critical application within the FX space. What you'll need to succeed: Extensive fullstack Java and React experience within financial services - Mandatory click apply for full job details more ->