Senior Java Developer - Java, Kotlin, Concurrency, Kafka, RDBMS, Unix, Linux, Front Office, Multi-threading Role Overview: I am seeking a Senior Java Developer 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 underpins our industry-leading platform. … 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) database schemas. … 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 be More ❯
london (city of london), south east england, united kingdom
Nicoll Curtin
Senior Java Developer - Java, Kotlin, Concurrency, Kafka, RDBMS, Unix, Linux, Front Office, Multi-threading Role Overview: I am seeking a Senior Java Developer 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 underpins our industry-leading platform. … 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) database schemas. … 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 be More ❯
Senior Java Developer - Java, Kotlin, Concurrency, Kafka, RDBMS, Unix, Linux, Front Office, Multi-threading Role Overview: I am seeking a Senior Java Developer 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 underpins our industry-leading platform. … 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) database schemas. … 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 be More ❯
Leeds, West Yorkshire, England, United Kingdom Hybrid / WFH Options
InvitISE Ltd
We’re looking for a Senior Java Developer 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 Senior Java Developer 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 in CI/CD environments Unix/… 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 ❯
london, south east england, united kingdom Hybrid / WFH Options
Stott and May
Job Title: Java Developer Location: London (Hybrid – 3 days in office per week) Salary: Up to £80,000 per annum About the Company: Join a leading travel company renowned for delivering exceptional customer experiences and innovative digital solutions. As part of a forward-thinking technology team, you’ll contribute to shaping the future of travel by building scalable, high-performance … applications used by millions of customers worldwide. The Role: We are looking for a skilled Java Developer to join our London-based technology team. You will work on designing, developing, and maintaining enterprise-level applications that support our digital platforms and customer-facing services. Key Responsibilities: Design, develop, and maintain high-quality Java applications and microservices. Collaborate with cross-functional … Ensure code quality through unit testing, code reviews, and adherence to best practices. Troubleshoot, debug, and optimize applications for performance and scalability. Stay up-to-date with the latest Java technologies and industry trends. Required Skills & Experience: Strong experience in Java (Java 8+) development. Solid understanding of object-oriented programming and design patterns. Experience with Spring Framework (Spring Boot, Spring More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Stott and May
Job Title: Java Developer Location: London (Hybrid – 3 days in office per week) Salary: Up to £80,000 per annum About the Company: Join a leading travel company renowned for delivering exceptional customer experiences and innovative digital solutions. As part of a forward-thinking technology team, you’ll contribute to shaping the future of travel by building scalable, high-performance … applications used by millions of customers worldwide. The Role: We are looking for a skilled Java Developer to join our London-based technology team. You will work on designing, developing, and maintaining enterprise-level applications that support our digital platforms and customer-facing services. Key Responsibilities: Design, develop, and maintain high-quality Java applications and microservices. Collaborate with cross-functional … Ensure code quality through unit testing, code reviews, and adherence to best practices. Troubleshoot, debug, and optimize applications for performance and scalability. Stay up-to-date with the latest Java technologies and industry trends. Required Skills & Experience: Strong experience in Java (Java 8+) development. Solid understanding of object-oriented programming and design patterns. Experience with Spring Framework (Spring Boot, Spring More ❯
Senior Java Developer - Java, Springboot & AWS – paying up to £600/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile, high-ownership engineering … culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture for a high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from discovery to production support Advocate for clean code, automated testing, and CI/CD best practices … with cross-functional teams including product, design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid SQL More ❯
Senior Java Developer - Java, Springboot & AWS – paying up to £600/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile, high-ownership engineering … culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture for a high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from discovery to production support Advocate for clean code, automated testing, and CI/CD best practices … with cross-functional teams including product, design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid SQL More ❯
london (city of london), south east england, united kingdom
Arrows
Senior Java Developer - Java, Springboot & AWS – paying up to £600/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a unique opportunity to work in an agile, high-ownership engineering … culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture for a high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from discovery to production support Advocate for clean code, automated testing, and CI/CD best practices … with cross-functional teams including product, design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid SQL More ❯
Cheltenham, England, United Kingdom Hybrid / WFH Options
Argo DevOps Solutions Ltd
technical expertise, collaborative mindset, and an ability to deliver innovative solutions that align with business objectives. Experience Requirements Software Development & Principles Programming Languages: Proficiency in one or more of: Java, Spring Boot, Python, JavaScript, TypeScript, ReactJS SOLID Principles: Familiarity with object-oriented and clean coding practices Testing & BDD Unit Testing Frameworks: Experience with Cypress, Cucumber, Behave, Selenium, or similar tools More ❯
gloucester, south west england, united kingdom Hybrid / WFH Options
Argo DevOps Solutions Ltd
technical expertise, collaborative mindset, and an ability to deliver innovative solutions that align with business objectives. Experience Requirements Software Development & Principles Programming Languages: Proficiency in one or more of: Java, Spring Boot, Python, JavaScript, TypeScript, ReactJS SOLID Principles: Familiarity with object-oriented and clean coding practices Testing & BDD Unit Testing Frameworks: Experience with Cypress, Cucumber, Behave, Selenium, or similar tools More ❯
bristol, south west england, united kingdom Hybrid / WFH Options
Lloyds Banking Group
streaming Agile Delivery: Significant experience in scoping and development of technical solutions in an Agile environment. Technical Proficiency: Deep technical expertise in software and data engineering, programming languages (python, java etc.). Understanding of orchestration (Composer, DAGs), data processing (Kafka, Flink, DataFlow, dbt), and database capabilities (e.g. BigQuery, CloudSQL, BigTable). Container technologies (Docker, Kubernetes), IaaC (Terraform) and experience with More ❯
Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid - 3 days a week in the office - Notting Hill) Description for the Java Software Engineer role:- You will be joining a fast-growing, research-driven company building an artificial intelligence using novel machine learning techniques. My client is revolutionising their industry with a track … record of building things that others have ruled out as impossible. The Java Software engineer will join a very bright, talented team of engineers with the guidance of technologists who have help build up some of the best known technology companies today. You will have a great opportunity to work with a variety of languages, frameworks and tools. Applicants will … need a background in Java and/or Python with a focus on Server side technologies. Core skills for the Java Software Engineer: 5yrs in a commercial Development role Solid experience of Java Good knowledge of Cloud Technologies (AWS) and Microservices Strong database knowledge (SQL and NoSQL) Degree in Computer Science, Engineering, or a related field, or equivalent hands-on More ❯
london (city of london), south east england, united kingdom
Bentley Whitaker Search and Selection
Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid - 3 days a week in the office - Notting Hill) Description for the Java Software Engineer role:- You will be joining a fast-growing, research-driven company building an artificial intelligence using novel machine learning techniques. My client is revolutionising their industry with a track … record of building things that others have ruled out as impossible. The Java Software engineer will join a very bright, talented team of engineers with the guidance of technologists who have help build up some of the best known technology companies today. You will have a great opportunity to work with a variety of languages, frameworks and tools. Applicants will … need a background in Java and/or Python with a focus on Server side technologies. Core skills for the Java Software Engineer: 5yrs in a commercial Development role Solid experience of Java Good knowledge of Cloud Technologies (AWS) and Microservices Strong database knowledge (SQL and NoSQL) Degree in Computer Science, Engineering, or a related field, or equivalent hands-on More ❯
Woking, Surrey, United Kingdom Hybrid / WFH Options
Arrow McLaren IndyCar
using agile/lean methodologies. A strong full stack software development background with an understanding of how to engineer quality software. Considerable commercial development experience with C#/.net, Java, Python, or other development languages. Web development experience using technologies such as JavaScript, TypeScript, and React. Proven experience delivering mission critical software into a demanding production environment. Deep experience using More ❯
guildford, south east england, united kingdom Hybrid / WFH Options
McLaren F1 Team
using agile/lean methodologies. A strong full stack software development background with an understanding of how to engineer quality software. Considerable commercial development experience with C#/.net, Java, Python, or other development languages. Web development experience using technologies such as JavaScript, TypeScript, and React. Proven experience delivering mission critical software into a demanding production environment. Deep experience using More ❯
driving change, code efficiency and enhancing functionality - confidently challenging and driving projects towards the clients' mission. The technology experience you bring will likely cover a couple of the following: Java Microservices - Spring boot Javascript/React/Node/Typescript Python C++/Rust Kubernetes/Openshift/Docker AWS IaC - Terraform Agile What's in it for you?: 💰 Salary More ❯
bolton, greater manchester, north west england, united kingdom
Fortice
driving change, code efficiency and enhancing functionality - confidently challenging and driving projects towards the clients' mission. The technology experience you bring will likely cover a couple of the following: Java Microservices - Spring boot Javascript/React/Node/Typescript Python C++/Rust Kubernetes/Openshift/Docker AWS IaC - Terraform Agile What's in it for you?: 💰 Salary More ❯
warrington, cheshire, north west england, united kingdom
Fortice
driving change, code efficiency and enhancing functionality - confidently challenging and driving projects towards the clients' mission. The technology experience you bring will likely cover a couple of the following: Java Microservices - Spring boot Javascript/React/Node/Typescript Python C++/Rust Kubernetes/Openshift/Docker AWS IaC - Terraform Agile What's in it for you?: 💰 Salary More ❯
driving change, code efficiency and enhancing functionality - confidently challenging and driving projects towards the customers' mission. The technology experience you bring will likely cover a couple of the following: Java Microservices - Spring boot Javascript/React/Node/Typescript Python C++/Rust Kubernetes/Openshift/Docker AWS IaC - Terraform Agile What's in it for you?: 💰 Salary More ❯
london (city of london), south east england, united kingdom
Fortice
driving change, code efficiency and enhancing functionality - confidently challenging and driving projects towards the customers' mission. The technology experience you bring will likely cover a couple of the following: Java Microservices - Spring boot Javascript/React/Node/Typescript Python C++/Rust Kubernetes/Openshift/Docker AWS IaC - Terraform Agile What's in it for you?: 💰 Salary More ❯
technical expertise, collaborative mindset, and an ability to deliver innovative solutions that align with business objectives. Experience Requirements Software Development & Principles Programming Languages: Proficiency in one or more of: Java, Spring Boot, Python, JavaScript, TypeScript, ReactJS SOLID Principles: Familiarity with object-oriented and clean coding practices Testing & BDD Unit Testing Frameworks: Experience with Cypress, Cucumber, Behave, Selenium, or similar tools More ❯
