useful complement to the above. 2. Key technology used Primary: Java 8+ Secondary: Spring FIX Hibernate (Postgres) Sockets Linux Maven AWS/Cloud deployment SVN/GIT EPL (Esper) JMS (ActiveMQ) 3. Methodology Agile/Scrum Continuous integration Test automation TDD 4. Requirements Must have Core Java SE Desire to learn Passion for writing clean, re-usable code Understanding of More ❯
AWS. Ability to manage tasks independently without direct supervision and to deliver under pressure across multiple priorities. Requirements Essentials - Java 17 version preferred, Springboot, Microservices, AWS, Maven, Gradle, JPA, JMS, Junit, Bamboo, Stash, IntelliJ Good to have - ArgoCD, Kubernetes, Docker, Grafana, Splunk Nice to have - SonarQube Ability to work in small teams and strong communication skills Comm skills are very More ❯
record of collaborating with traders, product managers, and infrastructure teams in fast-paced environments. Nice to have skills: Strong background in API-based and message-driven architectures, including Kafka, JMS, or MQ-based Middleware. Proficiency with SQL for trade/order data analysis and reconciliation. Exposure to Java/Python for Scripting, debugging, or developing integration utilities. Familiarity with AWS More ❯
8+ years of software development experience with a strong focus on system integration. Proficiency in Java/J2EE, REST/JSON, XML, SQL, Spring, Hibernate, and messaging systems (e.g., JMS). Experience with integration platforms and middleware (e.g., MuleSoft, Apache Camel, Azure Integration Services, and AWS Integration Services). Experience with cloud platforms (Azure/AWS) and cloud-native integration More ❯
reliable performance Skills & Experience: Strong core Java (Java 8+) development experience Experience in financial services — ideally within middle office, risk, or post-trade systems Knowledge of messaging systems (Kafka, JMS) and relational databases (SQL) Exposure to icroservices, REST APIs, and CI/CD environments Excellent communication skills and a proactive approach to problem-solving Location & salary: Hybrid working — 3 days More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
reliable performance Skills & Experience: Strong core Java (Java 8+) development experience Experience in financial services — ideally within middle office, risk, or post-trade systems Knowledge of messaging systems (Kafka, JMS) and relational databases (SQL) Exposure to icroservices, REST APIs, and CI/CD environments Excellent communication skills and a proactive approach to problem-solving Location & salary: Hybrid working — 3 days More ❯
background to join their team, building highly available, scalable systems that power next-generation payments. Your Background/Tech Stack Java with Spring Reactive programming (AKKA etc) Kafka or JMS Solid understanding of CI/CD pipelines, automation, and Agile delivery practices. Experience working with MongoDB or other NoSQL databases. The Role Play a key role in developing real-time More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
background to join their team, building highly available, scalable systems that power next-generation payments. Your Background/Tech Stack Java with Spring Reactive programming (AKKA etc) Kafka or JMS Solid understanding of CI/CD pipelines, automation, and Agile delivery practices. Experience working with MongoDB or other NoSQL databases. The Role Play a key role in developing real-time More ❯
engineering the best possible Java code. Must Have Skills: Experience with Java 8, Java 11, Spring Framework, Spring Boot Experience of using JEE standards such as CDI, JPA and JMS Experience of building web applications Practical Microservices development experience on cloud platforms (AWS/Azure) and understanding of microservices design patterns Experience of Domain Driven Design Practical Relational Database development More ❯
Reading, England, United Kingdom Hybrid / WFH Options
Mastek
engineering the best possible Java code. Must Have Skills: Experience with Java 8, Java 11, Spring Framework, Spring Boot Experience of using JEE standards such as CDI, JPA and JMS Experience of building web applications Practical Microservices development experience on cloud platforms (AWS/Azure) and understanding of microservices design patterns Experience of Domain Driven Design Practical Relational Database development More ❯
engineering the best possible Java code. Must Have Skills: Experience with Java 8, Java 11, Spring Framework, Spring Boot Experience of using JEE standards such as CDI, JPA and JMS Experience of building web applications Practical Microservices development experience on cloud platforms (AWS/Azure) and understanding of microservices design patterns Experience of Domain Driven Design Practical Relational Database development More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Mastek
engineering the best possible Java code. Must Have Skills: Experience with Java 8, Java 11, Spring Framework, Spring Boot Experience of using JEE standards such as CDI, JPA and JMS Experience of building web applications Practical Microservices development experience on cloud platforms (AWS/Azure) and understanding of microservices design patterns Experience of Domain Driven Design Practical Relational Database development More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Fynity
Strong hands-on experience with Java 11+ (ideally Java 17) Solid knowledge of Reactive Programming (e.g., Spring WebFlux, AKKA) Experience with event-driven architecture, real-time messaging systems (Kafka, JMS) Familiarity with asynchronous request handling, scalability, and system resilience Agile mindset, with TDD/BDD and CI/CD experience Bonus: Background in Banking/Payments is helpful but not More ❯
Strong hands-on experience with Java 11+ (ideally Java 17) Solid knowledge of Reactive Programming (e.g., Spring WebFlux, AKKA) Experience with event-driven architecture, real-time messaging systems (Kafka, JMS) Familiarity with asynchronous request handling, scalability, and system resilience Agile mindset, with TDD/BDD and CI/CD experience Bonus: Background in Banking/Payments is helpful but not More ❯
london, south east england, united kingdom Hybrid / WFH Options
Fynity
Strong hands-on experience with Java 11+ (ideally Java 17) Solid knowledge of Reactive Programming (e.g., Spring WebFlux, AKKA) Experience with event-driven architecture, real-time messaging systems (Kafka, JMS) Familiarity with asynchronous request handling, scalability, and system resilience Agile mindset, with TDD/BDD and CI/CD experience Bonus: Background in Banking/Payments is helpful but not More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Fynity
Strong hands-on experience with Java 11+ (ideally Java 17) Solid knowledge of Reactive Programming (e.g., Spring WebFlux, AKKA) Experience with event-driven architecture, real-time messaging systems (Kafka, JMS) Familiarity with asynchronous request handling, scalability, and system resilience Agile mindset, with TDD/BDD and CI/CD experience Bonus: Background in Banking/Payments is helpful but not More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Fynity
Strong hands-on experience with Java 11+ (ideally Java 17) Solid knowledge of Reactive Programming (e.g., Spring WebFlux, AKKA) Experience with event-driven architecture, real-time messaging systems (Kafka, JMS) Familiarity with asynchronous request handling, scalability, and system resilience Agile mindset, with TDD/BDD and CI/CD experience Bonus: Background in Banking/Payments is helpful but not More ❯
releases and reliable performance Strong core Java (Java 8+) development experience Experience in financial services ideally within middle office, risk, or post-trade systems Knowledge of messaging systems (Kafka, JMS) and relational databases (SQL) Hybrid working 3 days per week in their London office, 2 days remote. Up to 120k base + bonus More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oliver Bernard
understanding of data structures, algorithms, and object-oriented design Experience in low-latency or high-performance systems (finance or similar domains a plus) Familiarity with messaging frameworks (e.g. Kafka, JMS, ZeroMQ) desirable What’s on Offer: Salary £120k-£130k + bonus Hybrid working model (3 days onsite in London) If you’re a Java Engineer who loves building high-performance More ❯
understanding of data structures, algorithms, and object-oriented design Experience in low-latency or high-performance systems (finance or similar domains a plus) Familiarity with messaging frameworks (e.g. Kafka, JMS, ZeroMQ) desirable What’s on Offer: Salary £120k-£130k + bonus Hybrid working model (3 days onsite in London) If you’re a Java Engineer who loves building high-performance More ❯
Extensive knowledge of Application servers - IBM Websphere, BEAs Web Logic, Sun One, Oc4j. Knowledge of Business Works Methodology, Business Events and Tibco ActiveSpaces. Extensive Administration experience in EMS/JMS - creating queues, topics, configuring various EMS options including implementation EMS Server LB/FT. Strong experience in TIBCO Administrator for User Management, Resource Management and Application Management. Proficiency in Hawk More ❯
vs. choreography). Proven experience building RESTful and SOAP APIs, including API security and governance. Proficiency in DataWeave transformations and Mule 4 development. Knowledge of common integration protocols (HTTP, JMS, FTP/SFTP, JDBC) and cloud connectors. Familiarity with CI/CD pipelines (e.g., Jenkins, Azure DevOps) and version control (Git). Experience with CloudHub deployments and monitoring tools. Solid More ❯
bradford, yorkshire and the humber, united kingdom
Alscient
vs. choreography). Proven experience building RESTful and SOAP APIs, including API security and governance. Proficiency in DataWeave transformations and Mule 4 development. Knowledge of common integration protocols (HTTP, JMS, FTP/SFTP, JDBC) and cloud connectors. Familiarity with CI/CD pipelines (e.g., Jenkins, Azure DevOps) and version control (Git). Experience with CloudHub deployments and monitoring tools. Solid More ❯
knowledge of Application servers - IBM Websphere, BEA’s Web Logic, Sun One, Oc4j. · Knowledge of Business Works Methodology, Business Events and Tibco ActiveSpaces. · Extensive Administration experience in EMS/JMS - creating queues, topic’s, configuring various EMS options including implementation EMS Server LB/FT. · Strong experience in TIBCO Administrator for User Management, Resource Management and Application Management. · Proficiency in More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Ubique Systems
knowledge of Application servers - IBM Websphere, BEA’s Web Logic, Sun One, Oc4j. · Knowledge of Business Works Methodology, Business Events and Tibco ActiveSpaces. · Extensive Administration experience in EMS/JMS - creating queues, topic’s, configuring various EMS options including implementation EMS Server LB/FT. · Strong experience in TIBCO Administrator for User Management, Resource Management and Application Management. · Proficiency in More ❯