usage of Spring/Spring Boot Experience developing distributed, real-time applications with Kafka and the JMS (or related MQ technologies e.g. RabbitMQ, ACtiveMQ etc.) with an appreciation of multithreading, concurrency etc. Understanding of Reactive Programming Techniques with Akka, Spring Webflux, RxJava Practical experience of MongoDB and AWS Industry experience within Financial Services, preferably within the Payments arena. If you More ❯
SQL Server). Experience with unit testing tools like JUnit and integrations/continuous deployment pipelines. Solid knowledge of SQL queries, optimization techniques, and database configuration. Proficient knowledge of Multithreading and Concurrency in Java. Knowledge of ORM frameworks such as Hibernate or JPA. Proven record of providing end-user support with excellent problem-solving abilities. Strong infrastructure knowledge required including More ❯
SQL Server). Experience with unit testing tools like JUnit and integrations/continuous deployment pipelines. Solid knowledge of SQL queries, optimization techniques, and database configuration. Proficient knowledge of Multithreading and Concurrency in Java. Knowledge of ORM frameworks such as Hibernate or JPA. Proven record of providing end-user support with excellent problem-solving abilities. Strong infrastructure knowledge required including More ❯
CloudWatch, DynamoDb, EKS Knowledge and experience on Kubernetes is advantageous Experience in building scalable, distributed REST/HTTP-based microservices on hybrid cloud environments Experience with high concurrency applications, multithreading, low-latency, servers architectures Hands-on experience with Jenkins and establishing robust CI/CD pipelines Experience in Agile environment using approaches such as Scrum Experience in both relational and More ❯
ElastiCache, IAM, CloudWatch, DynamoDb, EKS Knowledge and experience on Kubernetes is advantageous Experience in building scalable, distributed REST/microservices on hybrid cloud environments Experience with high concurrency applications, multithreading, low-latency, servers architectures Hands-on experience with Jenkins and establishing robust CI/CD pipelines Experience in Agile environment using approaches such as Scrum Experience in both relational and More ❯
Crawley, West Sussex, England, United Kingdom Hybrid / WFH Options
James Chase
end, product, and DevOps teams. Conduct code reviews & mentor junior developers. Requirements: 5+ years Java development experience. Strong expertise in Spring Boot, REST APIs, SQL/NoSQL. Experience with multithreading, Docker, Kubernetes. Familiarity with OAuth, JWT, Agile workflows. Preferred: Cloud (AWS, Azure, GCP), CI/CD, Kafka. Interested? Apply now or send your CV to and take the next step More ❯
usage of Spring/Spring Boot Experience developing distributed, real-time applications with Kafka and the JMS (or related MQ technologies e.g. RabbitMQ, ACtiveMQ etc.) with an appreciation of multithreading, concurrency etc. Understanding of Reactive Programming Techniques with Akka, Spring Webflux, RxJava Practical experience of MongoDB and AWS Industry experience within Financial Services, preferably within the Payments arena. If you More ❯
collaborative and innovative team environment Required Skills: Advanced knowledge and experience of C# development in an event-driven architecture. Equivalent experience using Java would also be considered Proficient in multithreading, concurrency and performance tuning Solid understanding of inter-application communication using REST, WebSocket or middleware like Solace/Kafka/Tibco Proficiency in CI/CD, application resiliency, testing, profiling More ❯
pipelines and Terraform. Experience with containerization technologies such as Docker and Kubernetes. Proficient in AWS services. Proven ability to build high-volume, scalable, distributed back-end services. Proficient in multithreaded software engineering, with expertise in designing, implementing, and troubleshooting concurrent systems to optimize performance and resource utilization Proficient in leveraging AI tools, such as Cursor, to enhance software engineering practices More ❯
pipelines and Terraform. Experience with containerization technologies such as Docker and Kubernetes. Proficient in AWS services. Proven ability to build high-volume, scalable, distributed back-end services. Proficient in multithreaded software engineering, with expertise in designing, implementing, and troubleshooting concurrent systems to optimize performance and resource utilization Proficient in leveraging AI tools, such as Cursor, to enhance software engineering practices More ❯
event-driven architecture; at-least-once messaging; CAP Theorem; horizontal and vertical scaling strategies; massively distributed architectures Expert knowledge of Java, JVM, memory management, garbage collection Thorough understanding of multithreaded environment challenges Expert knowledge of Spring, SpringBoot framework and associated technologies Expert knowledge of test frameworks, such as Junit, Mockito, writing easily-testable code Expertise in Java debugging, including remote More ❯
developments, you will be involved in developing solutions to integrate legacy systems. Skills key for this role: Phyton, Rust, Java System architecture design for high-performance, scalable integration (microservices) Multithreading & performance, Observability & Monitoring tools Enterprise Service Bus (WSO2, JCAPs, Fiorano, Biztalk, IBM Websphere) messaging Queues (Rabbit MQ, Active MQ, etc) Web Services, API, XML, XSLT, .Net, SQL, SOAP, REST Networking More ❯
SQL Server). Experience with unit testing tools like JUnit and integrations/continuous deployment pipelines. Solid knowledge of SQL queries, optimization techniques, and database configuration. Proficient knowledge of Multithreading and Concurrency in Java. Knowledge of ORM frameworks such as Hibernate or JPA. Proven record of providing end-user support with excellent problem-solving abilities. Strong infrastructure knowledge required including More ❯
cloud ecosystems : Azure , AWS , or GCP . Hands-on experience with Docker, Kubernetes , or othercontainerization technologies. Deep understanding of object-oriented programming principles andarchitectural design patterns. Strong grasp of multithreading, asynchronous programming ,and cloud programming . Familiar with modern engineering practices, including agile development, CI/CD , and DevOps . Proven ability to work effectively with globally distributedteams. Strong teamwork More ❯
development and improve productivity where appropriate. Requirements 5+ years of Java backend development experience, preferably in a trading or real-time system environment. Deep understanding of Java core internals, multithreading, memory models, and garbage collection. Proven experience in GC-free or low-GC programming, including use of sun.misc.Unsafe , direct buffers, and memory-mapped files. Familiarity with Aeron, SBE, or other More ❯
Manchester, North West, United Kingdom Hybrid / WFH Options
KRATOS ANALYTICAL LTD
software, systems integration w/hardware, image processing, automation, safety critical, C#, C/C++, numerical methods, data analysis, control systems, mathematical models, multi threaded systems ,audio/video multithreaded streaming. As world leaders in X-ray Photoelectron Spectrometers and producers of MALDI ToF Mass Spectrometers for Shimadzu Corporation, we at Kratos Analytical aim to support our customers in making More ❯
Cambridge, Cambridgeshire, United Kingdom Hybrid / WFH Options
Ecm Selection
skills for elegant, high performance, easy to maintain code Extensive knowledge of data structures, algorithms, complexity and concurrency Strong C++ language knowledge and coding skills Relevant technical knowledge: Concurrency (multithreading, synchronisation and alternatives, parallel hardware) CPU architecture (CPI, dynamic execution, caching levels, cache misses, pipeline stalls) Data structures (linear, tree, hash and graph), algorithm selection and complexity (big O) Networking More ❯
/CD pipelines and development processes Support production environments (Level 3 support) What You Bring: Strong Java (streams, lambdas, concurrency) and front-end skills with React.js Deep knowledge of multithreaded, distributed systems and asynchronous architecture Experience with JVM tuning and observability tools (Prometheus, Elastic, etc.) TDD, CI/CD, and agile delivery experience Ability to deliver from design to deployment More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Pontoon
/CD pipelines and development processes Support production environments (Level 3 support) What You Bring: Strong Java (streams, lambdas, concurrency) and front-end skills with React.js Deep knowledge of multithreaded, distributed systems and asynchronous architecture Experience with JVM tuning and observability tools (Prometheus, Elastic, etc.) TDD, CI/CD, and agile delivery experience Ability to deliver from design to deployment More ❯
and overall engineering processes Provide level 3 support and contribute to operational excellence Essential Skills: Strong core Java development (streams, lambdas, concurrency APIs) Deep understanding of distributed systems and multithreaded architectures Proficiency in TDD, agile delivery, and CI/CD for complex enterprise systems Experience with performance tuning and monitoring tools (JVisualVM, Prometheus, Elastic Stack) Solid Computer Science foundation (algorithms More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Pontoon
and overall engineering processes Provide level 3 support and contribute to operational excellence Essential Skills: Strong core Java development (streams, lambdas, concurrency APIs) Deep understanding of distributed systems and multithreaded architectures Proficiency in TDD, agile delivery, and CI/CD for complex enterprise systems Experience with performance tuning and monitoring tools (JVisualVM, Prometheus, Elastic Stack) Solid Computer Science foundation (algorithms More ❯
workflows. Experience promoting a shift-left approach - embedding testing, security, and code quality earlier in the development process to accelerate delivery and reduce defects. Solid understanding of core Java, multithreading, system integration, and enterprise architecture best practices in high-throughput environments. Skills/Must have: 5+ years experience working with core Java and distributed systems, ideally in high-performance or More ❯
of IR and FX pricing models and the fixed income markets. Comfortable working in both Linux and Windows environments Experience building Excel add-ins. Experience working on high performance multithreaded systems Strong communication skills A passion for crafting quality applications A demonstrated interest in financial products and trading A commitment to the highest ethical standards We take care of our More ❯
