Senior JavaDeveloper - Java, Kotlin, Concurrency, Kafka, RDBMS, Unix, Linux, Front Office, Multi-threading Role Overview: I am seeking a Senior JavaDeveloper 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 system that … 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 ❯
Senior JavaDeveloper - Java, Kotlin, Concurrency, Kafka, RDBMS, Unix, Linux, Front Office, Multi-threading Role Overview: I am seeking a Senior JavaDeveloper 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 system that … 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 ❯
Senior JavaDeveloper - Java, Kotlin, Concurrency, Kafka, RDBMS, Unix, Linux, Front Office, Multi-threading Role Overview: I am seeking a Senior JavaDeveloper 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 system that … 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
Senior JavaDeveloper - Java, Kotlin, Concurrency, Kafka, RDBMS, Unix, Linux, Front Office, Multi-threading Role Overview: I am seeking a Senior JavaDeveloper 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 system that … 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 ❯
Senior JavaDeveloper - Java, Kotlin, Concurrency, Kafka, RDBMS, Unix, Linux, Front Office, Multi-threading Role Overview: I am seeking a Senior JavaDeveloper 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 system that … 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 ❯
Cloud-Native JavaDeveloper Career Opportunity Our client is seeking a dynamic individual with high energy and drive to join their Work Force Management (WFM) software development team as a Software Engineer. This engineer will primarily focus on the development of cloud native applications with server-side design, development, implementation, and testing. This engineer will work in an … Agile development environment and follow Agile processes and practices. Cloud-Native JavaDeveloper Role and Responsibilities Design and develop quality, proficient and well documented technical solutions that satisfy business requirements and meets corporate architectural standards. Develop solid unit, integration, and automation tests according to organizational standards. Assist in troubleshooting and maintenance of existing software applications; identify and implement … organizational project or product teams. Contributes to the advancement and improvement of Agile practices within the organization. Functions as a subject matter expert in multiple product components. Cloud-Native JavaDeveloper Required Technical Skills and Experience Minimum 3 years of professional Java application development experience. 1+ years of experience in AWS Cloud with Lambda, batch, SNS, Aurora More ❯
Vacaturebeschrijving You ensure that our back-end systems are a bit better every day! How do I become a Medior JavaDeveloper Coolblue Energy at Coolblue? Coolblue energy is an energy company for anybody who wants to save energy. Besides providing our customers with green energy, we also give them insight into how to reduce energy usage. As … a Javadeveloper you'll work together with other development teams to make our back-end systems work optimally and give our customers the best insight and advice to reduce their energy consumption. In this way you contribute to the green energy transition. Would you also like to become a Javadeveloper at Coolblue Energy? Read … below if the job suits you. You enjoy doing this Writing excellent Java code. Coaching and mentoring your medior/junior colleagues. Working with the Customer Journey Specialist to make our customers even happier. Helping colleagues and yourself by reviewing pull requests and programming in pairs. Working in a team that takes full ownership for their systems. Besides improving More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
JavaDeveloper/Backend Software Engineer (Java AWS) London/WFH to £100k Opportunity to progress your career in a senior, hands-on JavaDeveloper role at a global FinTech/CFD trading company that has been consistently voted as one of the UKs top employers. W hat's in it for you: Salary to … Carers networks with an annual budget for organising events and projects that foster an open, diverse and inclusive culture Plus a range of other perks Your role: As a JavaDeveloper you will join a fairly new team working on a new crypto offering to design, develop and implement high performance cloud-native backend services including owning DevOps … processes to ensure systems are robust, secure and observable. You'll be working with a modern tech stack using Java, Spring Boot, CI/CD, Kubernetes, AWS, EKS and Grafana/Splunk. About you: You have advanced backend software engineering experience with Java, Spring Boot, REST, Postgres, Redis You have experience of running production workloads on Kubernetes (Amazon More ❯
We have a new Contract Senior JavaDeveloper position available with a European Investment Bank, to work on e-FX Front-Office Algo Trading projects. This is a Low Latency, Java, Algo, FX, multithreading developer role (not really web). London based, Hybrid working. 12 months initial assignment. The job: IT Low Latency e-FX 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 an e-FX IT Low Latency JavaDeveloper position working for the e-FX Desk where the team develops the … an appreciation of hardware the software runs as well. We need someone who can show optimizing and tuning on Low Latency. What you will need: Tenure as a Senior JavaDeveloper Significant e-FX Trading projects experience Front office experience Being able to pick up ad learn new tech and bring new ideas. Algo trading Worked with Connectivity More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Hawksworth
We have a new Contract Senior JavaDeveloper position available with a European Investment Bank, to work on e-FX Front-Office Algo Trading projects. This is a Low Latency, Java, Algo, FX, multithreading developer role (not really web). London based, Hybrid working. 12 months initial assignment. The job: IT Low Latency e-FX 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 an e-FX IT Low Latency JavaDeveloper position working for the e-FX Desk where the team develops the … an appreciation of hardware the software runs as well. We need someone who can show optimizing and tuning on Low Latency. What you will need: Tenure as a Senior JavaDeveloper Significant e-FX Trading projects experience Front office experience Being able to pick up ad learn new tech and bring new ideas. Algo trading Worked with Connectivity More ❯
london, south east england, united kingdom Hybrid / WFH Options
Hawksworth
We have a new Contract Senior JavaDeveloper position available with a European Investment Bank, to work on e-FX Front-Office Algo Trading projects. This is a Low Latency, Java, Algo, FX, multithreading developer role (not really web). London based, Hybrid working. 12 months initial assignment. The job: IT Low Latency e-FX 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 an e-FX IT Low Latency JavaDeveloper position working for the e-FX Desk where the team develops the … an appreciation of hardware the software runs as well. We need someone who can show optimizing and tuning on Low Latency. What you will need: Tenure as a Senior JavaDeveloper Significant e-FX Trading projects experience Front office experience Being able to pick up ad learn new tech and bring new ideas. Algo trading Worked with Connectivity More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Hawksworth
We have a new Contract Senior JavaDeveloper position available with a European Investment Bank, to work on e-FX Front-Office Algo Trading projects. This is a Low Latency, Java, Algo, FX, multithreading developer role (not really web). London based, Hybrid working. 12 months initial assignment. The job: IT Low Latency e-FX 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 an e-FX IT Low Latency JavaDeveloper position working for the e-FX Desk where the team develops the … an appreciation of hardware the software runs as well. We need someone who can show optimizing and tuning on Low Latency. What you will need: Tenure as a Senior JavaDeveloper Significant e-FX Trading projects experience Front office experience Being able to pick up ad learn new tech and bring new ideas. Algo trading Worked with Connectivity More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Hawksworth
We have a new Contract Senior JavaDeveloper position available with a European Investment Bank, to work on e-FX Front-Office Algo Trading projects. This is a Low Latency, Java, Algo, FX, multithreading developer role (not really web). London based, Hybrid working. 12 months initial assignment. The job: IT Low Latency e-FX 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 an e-FX IT Low Latency JavaDeveloper position working for the e-FX Desk where the team develops the … an appreciation of hardware the software runs as well. We need someone who can show optimizing and tuning on Low Latency. What you will need: Tenure as a Senior JavaDeveloper Significant e-FX Trading projects experience Front office experience Being able to pick up ad learn new tech and bring new ideas. Algo trading Worked with Connectivity More ❯
Senior Full Stack JavaDeveloper Role - Leading SaaS Based Automation Company - Berkshire - Hybrid/Once a Fortnight onsite in Berkshire based office (Moving to new offices in Reading in March 2026 - 2 days onsite from March 2026) - Up to £80,000 + 10% Bonus + Benefits Are you a Senior Full Stack JavaDeveloper looking for … a new challenge? Do you enjoy working across the full stack with Java and ReactJS? Would you like to work on hugely impactful business/mission critical automation platforms for iconic world brands? G.R.E. Recruitment is delighted to partner with a leading SaaS based Automation Company who are looking to add a Senior Full Stack JavaDeveloper … to new offices in Reading - then it will be twice per week in the office from March 2026. For this role I am looking for a Senior Full Stack JavaDeveloper with 5yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure with strong experience of working across the More ❯
Manchester, Lancashire, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
JavaDeveloper/Team Lead Manchester/WFH to £80k Are you a hands-on technical leader with strong Java skills? You could be working on complex and interesting systems using the latest technology within a diverse, supportive environment whilst enjoying a range of perks and continual learning opportunities at a global games software house. As a … JavaDeveloper/Team Lead you will play a key role in guiding and inspiring a small, high-performing development team, working on real-time in sports betting applications. This is an excellent opportunity for a hands-on leader who enjoys balancing technical delivery with team development and collaboration, with approximately a 50/50 split between hands … You'll promote engineering excellence, encouraging best practices and contributing to continuous improvement across both team and wider organisation. A central part of this role will be creating a developer-friendly environment that allows individuals to focus, innovate and perform at their best. Location/WFH: You'll join the team in Central Manchester three days a week with More ❯
South West London, London, United Kingdom Hybrid / WFH Options
Lynx Recruitment Limited
Senior JavaDeveloper - Remote Working Lynx are currently working with a large IT consultancy to help them source a Senior JavaDeveloper . 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 requirements and … 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 ❯
Mid-Level JavaDeveloper Role - Leading SaaS Based Automation Company - Berkshire - Hybrid/Once a Fortnight onsite in Berkshire based office (Moving to new offices in Reading in March 2026 - 2 days onsite from March 2026) - Up to £52,000 + 10% Bonus + Benefits Are you a Mid-Level Full Stack JavaDeveloper looking for … mission critical automation platforms for iconic world brands? G.R.E. Recruitment is delighted to partner with a leading SaaS based Automation Company who are looking to add a Mid-Level JavaDeveloper to their dynamic scaling development team. This role will initially be once a fortnight in the Berkshire based office as they plan to move to new offices … in Reading - then it will be twice per week in the office from March 2026. For this role I am looking for a Mid-Level JavaDeveloper with 3yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure with some commercial experience of working with ReactJS. Skills nice to More ❯
Principal Full Stack JavaDeveloper Role - Leading SaaS Based Automation Company - Berkshire - Hybrid/Once a Fortnight onsite in Berkshire based office (Moving to new offices in Reading in March 2026 - 2 days onsite from March 2026) - Up to £100,000 + 10% Bonus + Benefits Are you an experienced Principal/Tech Lead JavaDeveloper … critical automation platforms for iconic world brands? G.R.E. Recruitment is delighted to partner with a leading SaaS based Automation Company who are looking to add a Principal Full Stack JavaDeveloper to their dynamic scaling development team. This role will initially be once a fortnight in the Berkshire based office as they plan to move to new offices … in Reading - then it will be twice per week in the office from March 2026. For this role I am looking for a Principal/Tech Lead Full Stack JavaDeveloper with 8yrs+ exp with Java 11/17, Spring MVC, REST API's, Microservices, AWS/GCP/Azure with leadership experience of driving high impact More ❯
london, south east england, united kingdom Hybrid / WFH Options
Client Server
Fidessa Developer (Java Spring Boot API) London to £135k Are you an experienced JavaDeveloper with a strong knowledge of Fidessa and an interest in Capital Markets? Join the Investment Management division of a global bank, where you'll play a key role in shaping their trading technology by enhancing and evolving the Fidessa Order Management … You'll work on high-impact projects, collaborating with regional and global stakeholders to deliver robust, scalable solutions in a fast-paced financial environment. Your Role As a Fidessa Developer, you will: Design and implement new features and enhancements on the Fidessa platform Build high-performance services using Java, Spring Boot and RESTful APIs Collaborate closely with stakeholders … Location/WFH: You'll be based in the London office and have flexibility to work from home once a week. About you: You have a deep knowledge of Java including Spring Boot and APIs You have strong experience of developing on Fidessa OMS You have an understanding of Capital Markets You have excellent communication and collaboration skills You More ❯
Belfast, County Antrim, Northern Ireland, United Kingdom Hybrid / WFH Options
VANLOQ LIMITED
JavaDeveloper Hybrid (Belfast) | 6-Month Contract | Inside IR35 Our client, a leading organisation within the financial services sector, is seeking an experienced JavaDeveloper to join their Belfast-based technology team on an initial 6-month contract (Inside IR35). This is an excellent opportunity to work on high-performance, data-driven applications within a … fast-paced enterprise environment. The successful candidate will play a key role in developing and optimising complex batch processing and integration systems using Java 17, Spring Batch, Spring Integration, and GridGain Database. Key Responsibilities Design, develop, and maintain scalable Java 17 applications for enterprise data processing. Build and optimise batch processing solutions using Spring Batch. Design and implement … deployment and operational tasks in Unix/Linux environments. Collaborate with cross-functional technical and business teams to deliver high-quality, reliable solutions. Skills & Experience Required Strong proficiency in Java 17, including modern Java features and best practices. Proven experience with Spring Batch and Spring Integration. Solid understanding of Unix/Linux scripting and SQL. Hands-on experience More ❯
JavaDeveloper Investment Banking Client Location: Glasgow (Hybrid, 3 days per week on-site) Contract: 6-Month Initial Contract (Inside IR35) Overview: Our leading investment banking client is seeking an experienced JavaDeveloper to join their high-performing engineering team in Glasgow. This is a fantastic opportunity to work within a global financial environment, contributing to … operations. Youll collaborate with global teams to deliver scalable, reliable, and secure software solutions while ensuring alignment with architectural and regulatory standards. Key Responsibilities: Design, develop, and maintain robust Java-based applications used across trading and risk management platforms. Work with cross-functional teams to deliver efficient, maintainable, and well-tested code. Optimise application performance and ensure adherence to … reviews, architecture discussions, and continuous improvement initiatives. Support integration with databases, APIs, and internal systems. Troubleshoot production issues and provide timely resolutions. Key Skills & Experience: Strong commercial experience in Java 11 or above (Java 17 preferred). Proficiency with Spring Framework (Spring Boot, Spring Batch, Spring Integration). Experience with microservices, RESTful APIs, and event-driven architectures. Good More ❯
Glasgow, Scotland, United Kingdom Hybrid / WFH Options
Vanloq - Workforce Solutions
JavaDeveloper – Investment Banking Client Location: Glasgow (Hybrid, 3 days per week on-site) Contract: 6-Month Initial Contract (Inside IR35) Overview: Our leading investment banking client is seeking an experienced JavaDeveloper to join their high-performing engineering team in Glasgow. This is a fantastic opportunity to work within a global financial environment, contributing to … You’ll collaborate with global teams to deliver scalable, reliable, and secure software solutions while ensuring alignment with architectural and regulatory standards. Key Responsibilities: Design, develop, and maintain robust Java-based applications used across trading and risk management platforms. Work with cross-functional teams to deliver efficient, maintainable, and well-tested code. Optimise application performance and ensure adherence to … reviews, architecture discussions, and continuous improvement initiatives. Support integration with databases, APIs, and internal systems. Troubleshoot production issues and provide timely resolutions. Key Skills & Experience: Strong commercial experience in Java 11 or above (Java 17 preferred). Proficiency with Spring Framework (Spring Boot, Spring Batch, Spring Integration). Experience with microservices, RESTful APIs, and event-driven architectures. Good More ❯
paisley, central scotland, united kingdom Hybrid / WFH Options
Vanloq - Workforce Solutions
JavaDeveloper – Investment Banking Client Location: Glasgow (Hybrid, 3 days per week on-site) Contract: 6-Month Initial Contract (Inside IR35) Overview: Our leading investment banking client is seeking an experienced JavaDeveloper to join their high-performing engineering team in Glasgow. This is a fantastic opportunity to work within a global financial environment, contributing to … You’ll collaborate with global teams to deliver scalable, reliable, and secure software solutions while ensuring alignment with architectural and regulatory standards. Key Responsibilities: Design, develop, and maintain robust Java-based applications used across trading and risk management platforms. Work with cross-functional teams to deliver efficient, maintainable, and well-tested code. Optimise application performance and ensure adherence to … reviews, architecture discussions, and continuous improvement initiatives. Support integration with databases, APIs, and internal systems. Troubleshoot production issues and provide timely resolutions. Key Skills & Experience: Strong commercial experience in Java 11 or above (Java 17 preferred). Proficiency with Spring Framework (Spring Boot, Spring Batch, Spring Integration). Experience with microservices, RESTful APIs, and event-driven architectures. Good More ❯
milton, central scotland, united kingdom Hybrid / WFH Options
Vanloq - Workforce Solutions
JavaDeveloper – Investment Banking Client Location: Glasgow (Hybrid, 3 days per week on-site) Contract: 6-Month Initial Contract (Inside IR35) Overview: Our leading investment banking client is seeking an experienced JavaDeveloper to join their high-performing engineering team in Glasgow. This is a fantastic opportunity to work within a global financial environment, contributing to … You’ll collaborate with global teams to deliver scalable, reliable, and secure software solutions while ensuring alignment with architectural and regulatory standards. Key Responsibilities: Design, develop, and maintain robust Java-based applications used across trading and risk management platforms. Work with cross-functional teams to deliver efficient, maintainable, and well-tested code. Optimise application performance and ensure adherence to … reviews, architecture discussions, and continuous improvement initiatives. Support integration with databases, APIs, and internal systems. Troubleshoot production issues and provide timely resolutions. Key Skills & Experience: Strong commercial experience in Java 11 or above (Java 17 preferred). Proficiency with Spring Framework (Spring Boot, Spring Batch, Spring Integration). Experience with microservices, RESTful APIs, and event-driven architectures. Good More ❯
London, England, United Kingdom Hybrid / WFH Options
Client Server
JavaDeveloper/Technical Lead London/WFH to £115k Are you a hands-on JavaDeveloper with technical leadership skills? You could be progressing your career in a hands-on leadership role at a global FinTech/CFD trading company that has been consistently voted as one of the UKs top employers. What's in … Carers networks with an annual budget for organising events and projects that foster an open, diverse and inclusive culture Plus a range of other perks Your role: As a JavaDeveloper/Technical Lead you'll join a fairly new team working on a new crypto offering and split your time between hands-on development with people management … engineers and ensure code quality, observability, scalability and security are embedded into high-quality, high-impact releases. You'll be working with a modern, cloud native tech stack using Java, Spring Boot, AWS, Kafka and CI/CD to build highly scalable, distributed systems with 24/7 availability. Location/WFH: There's a hybrid model with two More ❯
