london, south east england, united kingdom Hybrid / WFH Options
Radley James
Join a Tier 1 Investment bank in their leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading teams. Key Responsibilities … to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar with modern SDLC tools and CI/CD workflows Competitive compensation More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Radley James
Join a Tier 1 Investment bank in their leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading teams. Key Responsibilities … to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar with modern SDLC tools and CI/CD workflows Competitive compensation More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Radley James
Join a Tier 1 Investment bank in their leading global FX trading platform as a Java Engineer, contributing to the backbone of ultra-low latency systems powering high-volume electronic trading. This role focuses on building high-performance, globally distributed Java services that enable real-time transaction processing, configuration management, and support for quantitative research and trading teams. Key Responsibilities … to deliver platform enhancements Drive performance tuning and solve low-level technical bottlenecks Maintain high standards in testing, documentation, and code quality Tech Stack & Skills: Strong proficiency in core Java Exposure to JavaScript/TypeScript & HTML5 is a plus Deep understanding of data structures, algorithms, and performance optimization Familiar with modern SDLC tools and CI/CD workflows Competitive compensation More ❯
the design of large kdb+ systems. Strong understanding of computer science fundamentals and modern software development practices. Experience with development in a Unix and/or Linux environment. Core Java development experience is often required. Experience with low-latency systems development and tick data capture. Knowledge of market data and algorithmic trading data is highly beneficial. Experience with various financial More ❯
the design of large kdb+ systems. Strong understanding of computer science fundamentals and modern software development practices. Experience with development in a Unix and/or Linux environment. Core Java development experience is often required. Experience with low-latency systems development and tick data capture. Knowledge of market data and algorithmic trading data is highly beneficial. Experience with various financial More ❯
london (city of london), south east england, united kingdom
Vallum Associates
the design of large kdb+ systems. Strong understanding of computer science fundamentals and modern software development practices. Experience with development in a Unix and/or Linux environment. Core Java development experience is often required. Experience with low-latency systems development and tick data capture. Knowledge of market data and algorithmic trading data is highly beneficial. Experience with various financial More ❯
london, south east england, united kingdom Hybrid / WFH Options
Understanding Recruitment
Have you got a strong educational background from a Russell Group University? Do you have experience working in the financial industry? 💸 Java Software Engineer – FinTech Scaleup 💸 📍 Location: Hybrid working in Central London 💰 Salary: £80,000-100,000 + bonus We are very excited to once again be partnered exclusively with London’s leading investment management firm’s latest spinout company. … scalable high-throughput software that is used by hedge funds and asset managements around the world. Due to an exciting pipeline of upcoming projects, they are looking for Core Java Software Engineers to join their team. You will be an excellent fit for this Core Java Engineer position if you: Have built scalable software from scratch Use Core Java concepts … a fast-paced environment Work in the financial industry e.g. Bank, Hedge Fund/Asset Management, FinTech Have clear experience with optimisation, efficiency and performance improvement As a Core Java Engineer, you will enjoy a wide array of benefits: Flexible working from home 3 days a week BUPA Healthcare Bonus Clear career progression and professional development If you have several More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Understanding Recruitment
Have you got a strong educational background from a Russell Group University? Do you have experience working in the financial industry? 💸 Java Software Engineer – FinTech Scaleup 💸 📍 Location: Hybrid working in Central London 💰 Salary: £80,000-100,000 + bonus We are very excited to once again be partnered exclusively with London’s leading investment management firm’s latest spinout company. … scalable high-throughput software that is used by hedge funds and asset managements around the world. Due to an exciting pipeline of upcoming projects, they are looking for Core Java Software Engineers to join their team. You will be an excellent fit for this Core Java Engineer position if you: Have built scalable software from scratch Use Core Java concepts … a fast-paced environment Work in the financial industry e.g. Bank, Hedge Fund/Asset Management, FinTech Have clear experience with optimisation, efficiency and performance improvement As a Core Java Engineer, you will enjoy a wide array of benefits: Flexible working from home 3 days a week BUPA Healthcare Bonus Clear career progression and professional development If you have several More ❯
Java Developer with experience of the ION Marketview product set required by a global banking organisation seeking to increase their footprint in London. We are supporting the programme to grow our client's UK business, which currently utilises the ION suite for fixed income trading. This role will be part of an effort to modernise all aspects of the stack More ❯
Java Developer with experience of the ION Marketview product set required by a global banking organisation seeking to increase their footprint in London. We are supporting the programme to grow our client's UK business, which currently utilises the ION suite for fixed income trading. This role will be part of an effort to modernise all aspects of the stack More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Hirexa Solutions UK
Role Title: Big Data with Java Location: London, UK(Hybrid) Employment Type: Contract Job Description: Java - Must have Big Data – must have Interview includes coding test. Job Description: Scala/Spark • Good Big Data resource with the below Skillset: Java Big data technologies. • Linux Based Hadoop Ecosystem (HDFS, Impala, Hive, HBase, etc.) • Experience in Big data technologies, real time data More ❯
london, south east england, united kingdom Hybrid / WFH Options
Hawksworth
Hawksworth are now recruiting for a Senior Java Developer with extensive experience with Front Office Algo Trading projects. The job: IT Low Latency Java Developer 1 year contract with potential for extensions Inside IR35 Rate £920 per day to the Umbrella Company London Liverpool St location Hybrid working (x3 days on site x2 days working from home pw) This is … a IT Low-Latency, Java Developer position working for the e-FX Desk where the team develops the pricing, hedging and low-latency order and price distribution team systems. We need someone for this role role that has strong low latency , Java , Algo development experience. Someone who can show optimizing/low latency tuning and someone who has achieved low … latency in the microseconds. EFX would be nice but we can accept other other asset classes experience. What you will need: Tenure as a Senior Java Developer Significant Trading projects experience/Front office experience Algo trading Worked with Connectivity, Market Data, Core Pricing and Hedging strategy. Multithreading/FIX/Performance monitoring Significant low latency (Optimizing & tuning ) If you More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Hawksworth
Hawksworth are now recruiting for a Senior Java Developer with extensive experience with Front Office Algo Trading projects. The job: IT Low Latency Java Developer 1 year contract with potential for extensions Inside IR35 Rate £920 per day to the Umbrella Company London Liverpool St location Hybrid working (x3 days on site x2 days working from home pw) This is … a IT Low-Latency, Java Developer position working for the e-FX Desk where the team develops the pricing, hedging and low-latency order and price distribution team systems. We need someone for this role role that has strong low latency , Java , Algo development experience. Someone who can show optimizing/low latency tuning and someone who has achieved low … latency in the microseconds. EFX would be nice but we can accept other other asset classes experience. What you will need: Tenure as a Senior Java Developer Significant Trading projects experience/Front office experience Algo trading Worked with Connectivity, Market Data, Core Pricing and Hedging strategy. Multithreading/FIX/Performance monitoring Significant low latency (Optimizing & tuning ) If you More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Hawksworth
Hawksworth are now recruiting for a Senior Java Developer with extensive experience with Front Office Algo Trading projects. The job: IT Low Latency Java Developer 1 year contract with potential for extensions Inside IR35 Rate £920 per day to the Umbrella Company London Liverpool St location Hybrid working (x3 days on site x2 days working from home pw) This is … a IT Low-Latency, Java Developer position working for the e-FX Desk where the team develops the pricing, hedging and low-latency order and price distribution team systems. We need someone for this role role that has strong low latency , Java , Algo development experience. Someone who can show optimizing/low latency tuning and someone who has achieved low … latency in the microseconds. EFX would be nice but we can accept other other asset classes experience. What you will need: Tenure as a Senior Java Developer Significant Trading projects experience/Front office experience Algo trading Worked with Connectivity, Market Data, Core Pricing and Hedging strategy. Multithreading/FIX/Performance monitoring Significant low latency (Optimizing & tuning ) If you More ❯
Experience in Maximo Application Suite, Maximo Manage 8.x Mandatory Java, Javascript, Jython, SQL knowledge Strong experience in Maximo Manage configuration and customization Strong experience in complex customizations using Maximo MBOs, Java, and automation scripts. Strong experience in integrating external systems like Salesforce Strong experience in integrations using REST APIs, JSON, and MIF (Maximo Integration Framework). DevOps practitioner with Bitbucket More ❯
Engineer in Test with a strong background in software testing, automation development, and DevOps. The ideal candidate will have hands-on experience across a wide range of technologies including Java, Node.js, CI/CD, Terraform, Azure, Docker, and service virtualisation. This role also involves working with cutting-edge AI technologies and infrastructure as code (IaC) implementations. Key Responsibilities: Design and … implement scalable automated test frameworks using Java and Node.js. Develop and execute automated test suites for functional, regression, and non-functional testing (e.g., performance, scalability, reliability). Perform API testing and ensure robust validation of service integrations. Build and maintain CI/CD pipelines using GitHub Actions, Maven, and other DevOps tools. Implement Infrastructure as Code (IaC) using Terraform for … of Agenti AI solutions using various LLM models hosted on Azure Foundry. Apply service virtualisation techniques to simulate unavailable or third-party services during testing. Debug complex issues in Java and Node.js applications, providing detailed root cause analysis and resolution. Ensure test environments are secure, scalable, and aligned with production configurations. Document test strategies, plans, and results clearly and concisely. More ❯
Engineer in Test with a strong background in software testing, automation development, and DevOps. The ideal candidate will have hands-on experience across a wide range of technologies including Java, Node.js, CI/CD, Terraform, Azure, Docker, and service virtualisation. This role also involves working with cutting-edge AI technologies and infrastructure as code (IaC) implementations. Key Responsibilities: Design and … implement scalable automated test frameworks using Java and Node.js. Develop and execute automated test suites for functional, regression, and non-functional testing (e.g., performance, scalability, reliability). Perform API testing and ensure robust validation of service integrations. Build and maintain CI/CD pipelines using GitHub Actions, Maven, and other DevOps tools. Implement Infrastructure as Code (IaC) using Terraform for … of Agenti AI solutions using various LLM models hosted on Azure Foundry. Apply service virtualisation techniques to simulate unavailable or third-party services during testing. Debug complex issues in Java and Node.js applications, providing detailed root cause analysis and resolution. Ensure test environments are secure, scalable, and aligned with production configurations. Document test strategies, plans, and results clearly and concisely. More ❯
london (city of london), south east england, united kingdom
Cognizant
Engineer in Test with a strong background in software testing, automation development, and DevOps. The ideal candidate will have hands-on experience across a wide range of technologies including Java, Node.js, CI/CD, Terraform, Azure, Docker, and service virtualisation. This role also involves working with cutting-edge AI technologies and infrastructure as code (IaC) implementations. Key Responsibilities: Design and … implement scalable automated test frameworks using Java and Node.js. Develop and execute automated test suites for functional, regression, and non-functional testing (e.g., performance, scalability, reliability). Perform API testing and ensure robust validation of service integrations. Build and maintain CI/CD pipelines using GitHub Actions, Maven, and other DevOps tools. Implement Infrastructure as Code (IaC) using Terraform for … of Agenti AI solutions using various LLM models hosted on Azure Foundry. Apply service virtualisation techniques to simulate unavailable or third-party services during testing. Debug complex issues in Java and Node.js applications, providing detailed root cause analysis and resolution. Ensure test environments are secure, scalable, and aligned with production configurations. Document test strategies, plans, and results clearly and concisely. More ❯
to join their elite team in London. Role Overview This is a client-facing, technical position where you’ll take end-to-end ownership of building and deploying custom Java-based simulation solutions. You’ll work directly with clients – from technical teams to C-level executives – to understand their needs and deliver high-impact solutions. Expect autonomy, complex problems, and … a fast-paced, product-driven environment. Key Responsibilities • Build and deploy bespoke simulation solutions for clients • Develop and maintain Java applications • Work across the full delivery lifecycle – from requirements to production • Integrate large-scale data into advanced simulation and AI frameworks • Collaborate on platform architecture with the internal engineering team • Rapidly prototype and iterate based on client feedback • Travel to … client sites (10–20% as needed) Essential Requirements • MSc or PhD in Computer Science, AI, or related from a top-tier university • Strong Java skills; working knowledge of Python • Experience with large-scale data integration and processing • Excellent problem-solving and communication skills • 2+ years of post-university experience • Ability to translate business needs into technical solutions Desirable • C++ experience More ❯
to join their elite team in London. Role Overview This is a client-facing, technical position where you’ll take end-to-end ownership of building and deploying custom Java-based simulation solutions. You’ll work directly with clients – from technical teams to C-level executives – to understand their needs and deliver high-impact solutions. Expect autonomy, complex problems, and … a fast-paced, product-driven environment. Key Responsibilities • Build and deploy bespoke simulation solutions for clients • Develop and maintain Java applications • Work across the full delivery lifecycle – from requirements to production • Integrate large-scale data into advanced simulation and AI frameworks • Collaborate on platform architecture with the internal engineering team • Rapidly prototype and iterate based on client feedback • Travel to … client sites (10–20% as needed) Essential Requirements • MSc or PhD in Computer Science, AI, or related from a top-tier university • Strong Java skills; working knowledge of Python • Experience with large-scale data integration and processing • Excellent problem-solving and communication skills • 2+ years of post-university experience • Ability to translate business needs into technical solutions Desirable • C++ experience More ❯
london (city of london), south east england, united kingdom
TrueNorth®
to join their elite team in London. Role Overview This is a client-facing, technical position where you’ll take end-to-end ownership of building and deploying custom Java-based simulation solutions. You’ll work directly with clients – from technical teams to C-level executives – to understand their needs and deliver high-impact solutions. Expect autonomy, complex problems, and … a fast-paced, product-driven environment. Key Responsibilities • Build and deploy bespoke simulation solutions for clients • Develop and maintain Java applications • Work across the full delivery lifecycle – from requirements to production • Integrate large-scale data into advanced simulation and AI frameworks • Collaborate on platform architecture with the internal engineering team • Rapidly prototype and iterate based on client feedback • Travel to … client sites (10–20% as needed) Essential Requirements • MSc or PhD in Computer Science, AI, or related from a top-tier university • Strong Java skills; working knowledge of Python • Experience with large-scale data integration and processing • Excellent problem-solving and communication skills • 2+ years of post-university experience • Ability to translate business needs into technical solutions Desirable • C++ experience More ❯
guildford, south east england, united kingdom Hybrid / WFH Options
Spectrum IT Recruitment
three days per week in the office. The Senior Software Engineer will focus on developing and maintaining SDKs for for four key products spanning JavaScript (TypeScript), Roku (BrightScript), Android (Java) and iOS (Objective-C). The Senior Software Engineer will be the "code owner" for JavaScript and Roku SDKs. Key Responsibilities Being "code owner" for JavaScript and Roku SDKs Analysing … CD Ensuring feature parity and API alignment between different platforms SDK improvements where possible Helping define software development practices, policies & tooling Key Experience Strong JavaScript knowledge Commercial experience with Java and/or Objective-C Version control and other core software engineering skills Experience in any of the following areas would be advantageous but is not a prerequisite Python or More ❯
Staines-Upon-Thames, England, United Kingdom Hybrid / WFH Options
Spectrum IT Recruitment
three days per week in the office. The Senior Software Engineer will focus on developing and maintaining SDKs for for four key products spanning JavaScript (TypeScript), Roku (BrightScript), Android (Java) and iOS (Objective-C). The Senior Software Engineer will be the "code owner" for JavaScript and Roku SDKs. Key Responsibilities Being "code owner" for JavaScript and Roku SDKs Analysing … CD Ensuring feature parity and API alignment between different platforms SDK improvements where possible Helping define software development practices, policies & tooling Key Experience Strong JavaScript knowledge Commercial experience with Java and/or Objective-C Version control and other core software engineering skills Experience in any of the following areas would be advantageous but is not a prerequisite Python or More ❯
real-time applications that support trading workflows. Key Responsibilities Design and develop real-time, high-performance microservices to support Rates and Credit trading workflows Deliver full-stack solutions across Java, React, and TypeScript Collaborate with business stakeholders to understand trading needs and deliver impactful features Contribute to the design of scalable, event-driven, microservices-based architecture Work closely with other … engineers to ensure operational efficiency, maintainability, and performance Key Requirements Strong core Java skills, including OOP, concurrency, and collections Experience with distributed systems and event-driven architectures Background in designing and building RESTful and event-driven APIs Familiarity with SQL databases and containerisation tools such as Docker and Kubernetes Awareness of front-end technologies; experience with React and TypeScript is More ❯
Role OverviewThe client is seeking a mid-to-senior level contractor with strong backend and infrastructure development experience. The successful candidate will work on maintaining and upgrading a legacy Java/Oracle system, collaborating with existing developers to gain domain knowledge and contribute to modernisation efforts using cloud-based technologies. Key Responsibilities* Maintain and enhance a monolithic Java application with More ❯