SeniorJavaDeveloper - Java, Kotlin, Concurrency, Kafka, RDBMS, Unix, Linux, Front Office, Multi-threading Role Overview: I am seeking a SeniorJavaDeveloper to join a leading Investment Bank as part of their global front-office technology team. This is a hands-on position focused on working with a real-time, event-driven … components, ensuring the platform can scale to meet the growing demands of business event processing and data management. Key Responsibilities: Develop, implement, and maintain highly performant, secure, and scalable Java applications. Java Server Side Concurrent Programming with Spring Boot (Core Spring) Leverage Kafka or other message queue systems to handle asynchronous processing. Design, optimize, and maintain MongoDB (NoSQL … JUnit and other relevant frameworks. Take full ownership of feature development from design through to production deployment. Collaborate effectively with cross-functional teams, balancing independence and teamwork. Key Skills: Java Kotlin Concurrency Message-driven architectures - Kafka, MQ SQL Queries Unix/Linux scripting Multithreading This is a full time role offering a salary of up to £130k. You will More ❯
SeniorJavaDeveloper - Java, Kotlin, Concurrency, Kafka, RDBMS, Unix, Linux, Front Office, Multi-threading Role Overview: I am seeking a SeniorJavaDeveloper to join a leading Investment Bank as part of their global front-office technology team. This is a hands-on position focused on working with a real-time, event-driven … components, ensuring the platform can scale to meet the growing demands of business event processing and data management. Key Responsibilities: Develop, implement, and maintain highly performant, secure, and scalable Java applications. Java Server Side Concurrent Programming with Spring Boot (Core Spring) Leverage Kafka or other message queue systems to handle asynchronous processing. Design, optimize, and maintain MongoDB (NoSQL … JUnit and other relevant frameworks. Take full ownership of feature development from design through to production deployment. Collaborate effectively with cross-functional teams, balancing independence and teamwork. Key Skills: Java Kotlin Concurrency Message-driven architectures - Kafka, MQ SQL Queries Unix/Linux scripting Multithreading This is a full time role offering a salary of up to £130k. You will More ❯
SeniorJavaDeveloper - Java, Kotlin, Concurrency, Kafka, RDBMS, Unix, Linux, Front Office, Multi-threading Role Overview: I am seeking a SeniorJavaDeveloper to join a leading Investment Bank as part of their global front-office technology team. This is a hands-on position focused on working with a real-time, event-driven … components, ensuring the platform can scale to meet the growing demands of business event processing and data management. Key Responsibilities: Develop, implement, and maintain highly performant, secure, and scalable Java applications. Java Server Side Concurrent Programming with Spring Boot (Core Spring) Leverage Kafka or other message queue systems to handle asynchronous processing. Design, optimize, and maintain MongoDB (NoSQL … JUnit and other relevant frameworks. Take full ownership of feature development from design through to production deployment. Collaborate effectively with cross-functional teams, balancing independence and teamwork. Key Skills: Java Kotlin Concurrency Message-driven architectures - Kafka, MQ SQL Queries Unix/Linux scripting Multithreading This is a full time role offering a salary of up to £130k. You will More ❯
SeniorJavaDeveloper - Java, Kotlin, Concurrency, Kafka, RDBMS, Unix, Linux, Front Office, Multi-threading Role Overview: I am seeking a SeniorJavaDeveloper to join a leading Investment Bank as part of their global front-office technology team. This is a hands-on position focused on working with a real-time, event-driven … components, ensuring the platform can scale to meet the growing demands of business event processing and data management. Key Responsibilities: Develop, implement, and maintain highly performant, secure, and scalable Java applications. Java Server Side Concurrent Programming with Spring Boot (Core Spring) Leverage Kafka or other message queue systems to handle asynchronous processing. Design, optimize, and maintain MongoDB (NoSQL … JUnit and other relevant frameworks. Take full ownership of feature development from design through to production deployment. Collaborate effectively with cross-functional teams, balancing independence and teamwork. Key Skills: Java Kotlin Concurrency Message-driven architectures - Kafka, MQ SQL Queries Unix/Linux scripting Multithreading This is a full time role offering a salary of up to £130k. You will More ❯
london (city of london), south east england, united kingdom
Nicoll Curtin
SeniorJavaDeveloper - Java, Kotlin, Concurrency, Kafka, RDBMS, Unix, Linux, Front Office, Multi-threading Role Overview: I am seeking a SeniorJavaDeveloper to join a leading Investment Bank as part of their global front-office technology team. This is a hands-on position focused on working with a real-time, event-driven … components, ensuring the platform can scale to meet the growing demands of business event processing and data management. Key Responsibilities: Develop, implement, and maintain highly performant, secure, and scalable Java applications. Java Server Side Concurrent Programming with Spring Boot (Core Spring) Leverage Kafka or other message queue systems to handle asynchronous processing. Design, optimize, and maintain MongoDB (NoSQL … JUnit and other relevant frameworks. Take full ownership of feature development from design through to production deployment. Collaborate effectively with cross-functional teams, balancing independence and teamwork. Key Skills: Java Kotlin Concurrency Message-driven architectures - Kafka, MQ SQL Queries Unix/Linux scripting Multithreading This is a full time role offering a salary of up to £130k. You will More ❯
SeniorJavaDeveloper | SC Clearance Required | Up to £650 per day (Inside IR35) | Remote with Monthly Visits to London | 6 Month Contract MERITUS are working with a large consulting organisation looking for a SeniorJavaDeveloper on a project working into a UK Central Government client. You'll play a key role in designing … coding, reviewing, and testing solutions within the Java stack , collaborating with developers, testers, and DevOps engineers. The position also involves working on automated tests, infrastructure updates, and maintaining high-quality standards across all stages of development. The role is remote with monthly visits into the London office on an initial 6 Month contract. Main Responsibilities: Design, code, review, and … unit test applications using the Java stack. Collaborate with cross-functional teams, including developers, testers, and DevOps engineers. Support and enhance legacy systems currently in maintenance mode. Contribute to automated testing (C#) and infrastructure improvements (Docker, Ansible, Python, Linux). Required Skills: Proven experience with Java, Spring, Maven, Git, JUnit, and Web APIs (REST/JSON, XML/ More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Lynx Recruitment Ltd
SeniorJavaDeveloper - Remote Working Lynx are currently working with a large IT consultancy to help them source a SeniorJavaDeveloper . Our client is large global Consultancy who work with enterprise clients, solving their business and technology problems using cutting edge Solutions. Responsibilities: Engaging in the entire software development lifecycle, from gathering … Advocating for and contributing to best practices in software engineering across teams and projects Key skills and experience: Must be either SC cleared or eligible Experience working as a JavaDeveloperJava development experience Experience working within cloud environments If this role sounds of interest, then please apply with your updated CV. More ❯
South West London, London, United Kingdom Hybrid / WFH Options
Lynx Recruitment Limited
SeniorJavaDeveloper - Remote Working Lynx are currently working with a large IT consultancy to help them source a SeniorJavaDeveloper . Our client is large global Consultancy who work with enterprise clients, solving their business and technology problems using cutting edge Solutions. Responsibilities: Engaging in the entire software development lifecycle, from gathering … projects Key skills and experience: Previous experience working within a consulting organisation or the public sector is essentail Must be either SC cleared or eligible Experience working as a JavaDeveloperJava development experience Experience working within cloud environments If this role sounds of interest, then please apply with your updated CV. More ❯
x SeniorJava Developers Front Office Banking London I have 3 new exclusive opportunities for Front Office Java developers to join a thriving bank as they are building out their Front Office Java development team- 3 headcount- as part of growth and development. The bank area is Front Office pricing and risk, and we can look … at any front office Java developers Role details Role title: SeniorJavadeveloper/Java software engineer Employer: investment bank Front Office banking: Platform pricing and risk Location: London City (Liverpool Street station) and home working hybrid 50%/50% Permanent roles- 3 roles £90,000- £130,000 plus bonus Requirements: excellent javadeveloper … with pricing, and risk especially beneficial These new hires are a part of a growth plan for the front office area of this investment bank as they expand their java development skills. As the seniorjavadeveloper, you will be hands on with Java 21 working with front office risk teams, trading desk, quants and More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Huxley
x SeniorJava Developers Front Office Banking London I have 3 new exclusive opportunities for Front Office Java developers to join a thriving bank as they are building out their Front Office Java development team- 3 headcount- as part of growth and development. The bank area is Front Office pricing and risk, and we can look … at any front office Java developers Role details Role title: SeniorJavadeveloper/Java software engineer Employer: investment bank Front Office banking: Platform pricing and risk Location: London City (Liverpool Street station) and home working hybrid 50%/50% Permanent roles- 3 roles £90,000- £130,000 plus bonus Requirements: excellent javadeveloper … with pricing, and risk especially beneficial These new hires are a part of a growth plan for the front office area of this investment bank as they expand their java development skills. As the seniorjavadeveloper, you will be hands on with Java 21 working with front office risk teams, trading desk, quants and More ❯
working week. Find out more about our flexible work culture at computershare.com/flex. We give you a world of potential Computershare have a very exciting opportunity for a SeniorJavaDeveloper to join our team in Edinburgh. Why is this role exciting when there are so many other SeniorJavaDeveloper positions in … be doing, and the type of person that we’re looking for. A role you will love Based at Edinburgh office, Computershare Technology Services (CTS) is seeking talented a SeniorJavaDeveloper to join our Employee Share Plans organisation. You will work collaboratively within our cross-functional teams to deliver high quality, maintainable software solutions across a … will be a curios individual who is keen to investigate new ways of working and grasp new concepts. Technology; Here’s what we’re looking for: Excellent experience in Java Programming, preferably within a high complex environment. Experience or good knowledge of Agile development practices and working environments. Knowledge and/or experience with Oracle. An excellent understanding of More ❯
Leeds, West Yorkshire, England, United Kingdom Hybrid / WFH Options
InvitISE Ltd
We’re looking for a SeniorJavaDeveloper for our public sector client based in Leeds on an initial 12-month contract paying up to £700 per day Inside IR35. This role allows hybrid working with an expectation to attend the office 3 days per week. You will need to either hold current BPSS clearance or have … the ability to pass it, and be eligible for SC clearance. The successful SeniorJavaDeveloper will possess proven skills working with the following – Java 21 (or later) Test Driven Development (TDD) and Behaviour Driven Development (BDD) Large microservice architectures Agile environments and pair programming Implementing APIs for internal and external use Building automated test suites … have: Jackson, JAX-RS, Mockito ActiveMQ or Kafka MongoDB or other NoSQL/document databases Experience scaling high-traffic websites and handling large data sets Interested? Please apply below. Java Software Engineer, Java, Java 21, Microservices, TDD, BDD, Agile, APIs, CI/CD, Leeds, Government, Public Sector, Developer, Contract, Inside IR35 More ❯
Hawksworth are now recruiting for a SeniorJavaDeveloper with extensive experience with Front Office Algo Trading projects. The job: IT Low Latency JavaDeveloper 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, JavaDeveloper 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 … 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 SeniorJavaDeveloper Significant Trading projects experience/Front office experience Algo trading Worked with Connectivity, Market Data, Core Pricing and Hedging strategy. Multithreading/FIX/Performance More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hawksworth
Hawksworth are now recruiting for a SeniorJavaDeveloper with extensive experience with Front Office Algo Trading projects. The job: IT Low Latency JavaDeveloper 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, JavaDeveloper 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 … 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 SeniorJavaDeveloper Significant Trading projects experience/Front office experience Algo trading Worked with Connectivity, Market Data, Core Pricing and Hedging strategy. Multithreading/FIX/Performance More ❯
london, south east england, united kingdom Hybrid / WFH Options
Hawksworth
Hawksworth are now recruiting for a SeniorJavaDeveloper with extensive experience with Front Office Algo Trading projects. The job: IT Low Latency JavaDeveloper 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, JavaDeveloper 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 … 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 SeniorJavaDeveloper Significant Trading projects experience/Front office experience Algo trading Worked with Connectivity, Market Data, Core Pricing and Hedging strategy. Multithreading/FIX/Performance More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Hawksworth
Hawksworth are now recruiting for a SeniorJavaDeveloper with extensive experience with Front Office Algo Trading projects. The job: IT Low Latency JavaDeveloper 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, JavaDeveloper 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 … 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 SeniorJavaDeveloper Significant Trading projects experience/Front office experience Algo trading Worked with Connectivity, Market Data, Core Pricing and Hedging strategy. Multithreading/FIX/Performance More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Hawksworth
Hawksworth are now recruiting for a SeniorJavaDeveloper with extensive experience with Front Office Algo Trading projects. The job: IT Low Latency JavaDeveloper 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, JavaDeveloper 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 … 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 SeniorJavaDeveloper Significant Trading projects experience/Front office experience Algo trading Worked with Connectivity, Market Data, Core Pricing and Hedging strategy. Multithreading/FIX/Performance More ❯
SeniorJavaDeveloper Contract Dublin 6-18 Months. My client a leading global name is in urgent need of a talented and experienced SeniorJavaDeveloper to join their team on a contract basis 6 months initially rolling up to potentiality 18-20 months. My client is looking for a seniordeveloper … and knowledge sharing activities and grow your network of top-notch people who are best at what they do. Successful candidates will have 10+years of commercial experience in core Java/J2EE application development and object-oriented design. Strong skills in multi-threading, collections framework, JDBC and knowledge of Java profiling tools. Proficiency with frameworks just as Spring More ❯
Leeds, West Yorkshire, England, United Kingdom Hybrid / WFH Options
Oscar Technology
SeniorJavaDeveloper - Leeds City Centre (Hybrid) Up to £60,000 | 4 Days in Office, Friday WFH | AI & Machine Learning I'm recruiting for a forward-thinking tech company based in Leeds City Centre that's transforming how retailers harness AI and machine learning to boost profitability and stay competitive in a rapidly evolving market. They're … looking for an experienced SeniorJavaDeveloper to join their talented team of 7 engineers, reporting directly to the Engineering Manager. You'll play a pivotal role in developing intelligent, data-driven software used by major retail clients across the UK, Europe, North America, and Australia. The Opportunity This is a hands-on senior role - ideal … data scientists and product specialists to deliver scalable, high-performance software solutions that integrate the latest AI and ML technologies. Tech Stack & Tools Essential Skills: 8+ years' experience in Java development (commercial) Strong expertise in Spring/Spring Boot Solid experience with Hibernate Desirable Skills: Python or R - exposure to data or ML integration SQL - for data management and More ❯
SeniorJavaDeveloper (Must have exposure to Azure and prior government experience) 12 month fixed term contract The Company At Amber Labs, we are a cutting-edge UK and European technology consultancy that prioritises empowering autonomy, promoting experimentation, and facilitating rapid learning to provide exceptional value to our clients. Our company culture is centred around collaboration, where … minimise risk and shorten delivery times. Our team consists of highly-skilled cross-functional consultants, analysts, and support staff. Your Role We’re looking for a talented and driven SeniorJavaDeveloper to join our growing team. You’ll be instrumental in building robust, scalable backend systems using modern technologies and cloud platforms. If you’re passionate … about clean code, distributed systems, and continuous delivery, we want to hear from you. What You’ll Do Design and build scalable backend services using Java and Spring Boot, with a strong focus on performance, reliability, and maintainability Develop and deploy cloud-native applications on Microsoft Azure, leveraging best practices in distributed systems and microservices architecture I mplement asynchronous More ❯
Dublin, Ireland, City of Dublin, Republic of Ireland Hybrid / WFH Options
The Recruitment Company
JavaDeveloper Location: Dublin, hybrid working model Term: 12 months, excellent day rate JavaDeveloper wanted to help design and build high-throughput systems for a well-known name in Dublin’s tech scene. You’ll be part of a modern engineering environment offering excellent hybrid flexibility (with some on-site collaboration) and the freedom to … deliver clean, scalable services. This is a great opportunity for a Javadeveloper seeking a long-term contracting role within an organisation that’s heavily investing in modern technologies and innovative approaches. What you’ll bring: 5+ years Java development experience, comfortable working across Spring/Spring Boot microservices etc. Decent hands on skills with Angular, at More ❯
Galway, Galway County, Republic of Ireland Hybrid / WFH Options
The Recruitment Company
SeniorJavaDeveloper Location: Galway Model: Hybrid Term: 12+ months | Rate: Top-tier day rate SeniorJava required for a great long term contracting role. You’ll work in modern technology department focussing on a small number of enterprise projects. There’ scope and variety in the role with a range of modern tools, tech and … Even as a contractor there’s a strong chance you’ll get to work on tools and tech that are new to you. Desired Skills/Experience 5+ years Java development experience Strong experience across Spring/Spring boot building out microservices Ideally some exposure to modern JavaScript/TypeScript frameworks, not essential but would be nice. An interest More ❯
Sr Lead JavaDeveloper - FX Options - Inside IR35 Central London - Hybrid - 3 days on site, 2 days remote 12 months Brief My client is looking for an experienced Lead JavaDeveloper with hands-on experience integrating Quant libraries to join their FX Options technology team. In this contract, you'll take a hands-on leadership role … and delivering solutions for the front office. Key Responsibilities Lead the design and re-engineering of a core FX Options trading platform. Integrate Quant libraries (typically C++) into a Java-based system - focusing on integration, not C++ development. Deliver high-quality Java UI (Swing) components for front-office users. Work closely with Quants, Traders, and Risk teams to … Provide technical leadership , oversee solution design, and drive best coding practices. Be hands-on in development, debugging, and platform optimisation. Required Skills 5-10 year's experience as a JavaDeveloper within front-office or trading environments. Strong Java Core and Swing Proven experience integrating Quant or pricing libraries . Solid business knowledge of FX Options and More ❯
Sr Lead JavaDeveloper - FX Options - Inside IR35 Central London - Hybrid - 3 days on site, 2 days remote 12 months Brief My client is looking for an experienced Lead JavaDeveloper with hands-on experience integrating Quant libraries to join their FX Options technology team. In this contract, you'll take a hands-on leadership role … and delivering solutions for the front office. Key Responsibilities Lead the design and re-engineering of a core FX Options trading platform. Integrate Quant libraries (typically C++) into a Java-based system - focusing on integration, not C++ development. Deliver high-quality Java UI (Swing) components for front-office users. Work closely with Quants, Traders, and Risk teams to … Provide technical leadership , oversee solution design, and drive best coding practices. Be hands-on in development, debugging, and platform optimisation. Required Skills 5-10 year's experience as a JavaDeveloper within front-office or trading environments. Strong Java Core and Swing Proven experience integrating Quant or pricing libraries . Solid business knowledge of FX Options and More ❯
SeniorJavaDeveloper - Market Data - FX Options Technology - VP - London About Citi As the world's most global bank, Citi gives you the tools to be a trailblazer. We're not just building technology; we're building the future of banking. With thousands of employees located around the globe, we are an international team encompassing a broad … more important than experience in the financial sector. We welcome applications from any industry and should you wish to apply your application will be reviewed for a multitude of Developer positions at varying levels. About FX Tech Citi FX has a physical presence in 83 countries with 1,400 dedicated staff giving us the largest FX presence of any … our FX business. Role Overview/What will you do The FX Options Market Data System is going through significant reengineering and modernisation. We are looking for an experienced Javadeveloper and technologist to take a hands on role and contribute to the design and delivery of the system. Deliver features and enhancements to the new strategic platform More ❯
