City of London, London, United Kingdom Hybrid/Remote Options
Quanteam UK
may be performed out of hours/weekends. Participate in sprint planning and estimation and provide regular status updates to project managers. Essential experience and skill set required JAVA: Multithreading, Low latency & Garbage collection-aware techniques. Performance monitoring including designing appropriate metrics Front Office facing experience High-level of technical ability. Experience of development methodologies such as Agile etc. Clear More ❯
may be performed out of hours/weekends. Participate in sprint planning and estimation and provide regular status updates to project managers. Essential experience and skill set required JAVA: Multithreading, Low latency & Garbage collection-aware techniques. Performance monitoring including designing appropriate metrics Front Office facing experience High-level of technical ability. Experience of development methodologies such as Agile etc. Clear More ❯
performance tuning, code reviews, and troubleshooting production issues Document system architecture, design decisions, and development processes What we want from you Strong hands-on experience with Core Java and multithreading in high load system Practice with JVM performance optimization and memory profiling Familiarity with distributed systems architecture and in-memory computing concepts Proven experience with in-memory caching solution Apache More ❯
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 required to attend the office in London 3 times per week. If you are More ❯
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 required to attend the office in London 3 times per week. If you are More ❯
Wimbledon, England, United Kingdom Hybrid/Remote Options
Morson Edge (Financial Services)
Good understanding of Reactive Programming concepts with Akka, WebFlux, RxJava etc. Experience working with microservices and distributed systems Background with Kafka and JMS related messaging tools Knowledge of multithreading, concurrency, and performance tuning Familiarity with AWS and MongoDB Previous experience in financial services, ideally within payments Why join Work on systems used by major global banks Be part of a More ❯
.NET (Core/5+) Strong background in scalable, distributed systems (microservices) Experience with messaging and data technologies (Kafka, RabbitMQ, gRPC, TCP/IP) Skilled in performance tuning, concurrency and multithreading Solid understanding of security for critical systems Confident technical leadership and problem-solving skills Familiar with UI frameworks such as WPF and patterns like MVVM, MVP or MVC Desirable Experience More ❯
projects. SKILL REQUIREMENTS - Bachelor's degree in Computer Science, Engineering, or a related field. - Proven experience in Java development, with a focus on low-latency systems. - Strong understanding of multithreading, concurrency, and performance optimization. - Experience with frameworks and libraries such as Spring, Hibernate, and Netty. - Familiarity with distributed systems and network protocols. - Excellent problem-solving skills and attention to detail. More ❯
projects. SKILL REQUIREMENTS - Bachelor's degree in Computer Science, Engineering, or a related field. - Proven experience in Java development, with a focus on low-latency systems. - Strong understanding of multithreading, concurrency, and performance optimization. - Experience with frameworks and libraries such as Spring, Hibernate, and Netty. - Familiarity with distributed systems and network protocols. - Excellent problem-solving skills and attention to detail. More ❯
Nashville, Tennessee, United States Hybrid/Remote Options
Accord Tecnologies.Inc
Lambda, EC2, ECS, Route53, Elasticsearch, and IAM. Hands-on experience with Continuous Integration and Delivery (CI/CD) using tools like Jenkins. Expertise in performance optimization and building scalable, multithreaded web applications. Extensive experience with modern JavaScript frameworks and libraries including React, Redux, ES6, TypeScript, Babel, and Webpack. Knowledge of reactive programming paradigms and responsive web application design. Familiarity with More ❯
new features into the microservices ecosystem What they’re looking for: 5+ years experience writing production-grade code. 3+ years with Go A solid level of understanding of async, multithreading & concurrency/parallelism Have a solid understanding of gRPC and building code for microservices-based architectures Familiarity with building and maintaining REST APIs Proficient in using non-relational databases (ideally More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Few&Far
new features into the microservices ecosystem What they’re looking for: 5+ years experience writing production-grade code. 3+ years with Go A solid level of understanding of async, multithreading & concurrency/parallelism Have a solid understanding of gRPC and building code for microservices-based architectures Familiarity with building and maintaining REST APIs Proficient in using non-relational databases (ideally More ❯
to support production stability. Key Skills & Experience 7+ years’ professional experience in C++ (C++17/20 preferred) within low-latency, real-time, or high-frequency environments. Strong knowledge of multithreading, concurrency, memory management, and lock-free data structures. Proven experience optimising network I/O, kernel bypass, and performance tuning (e.g. DPDK, RDMA, kernel tuning). Solid understanding of Linux More ❯
to support production stability. Key Skills & Experience 7+ years’ professional experience in C++ (C++17/20 preferred) within low-latency, real-time, or high-frequency environments. Strong knowledge of multithreading, concurrency, memory management, and lock-free data structures. Proven experience optimising network I/O, kernel bypass, and performance tuning (e.g. DPDK, RDMA, kernel tuning). Solid understanding of Linux More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Understanding Recruitment
fulfil a hands-on Senior/Lead role leading the next generation of Java Developers. They are looking for the following experience in Senior Java Developers: Core Java development Multithreading, concurrency, low latency Working in the financial sector e.g. FX, trading Building microservices in the cloud (GCP, AWS) with Kubernetes Product-led development – architecting, building and delivering Technical leadership: architectural More ❯
fulfil a hands-on Senior/Lead role leading the next generation of Java Developers. They are looking for the following experience in Senior Java Developers: Core Java development Multithreading, concurrency, low latency Working in the financial sector e.g. FX, trading Building microservices in the cloud (GCP, AWS) with Kubernetes Product-led development – architecting, building and delivering Technical leadership: architectural More ❯
improvements for throughput, resilience, and scalability Participate in peer reviews, mentoring, and agile ceremonies Required Skills & Experience Expert-level Core Java (collections, concurrency, NIO, memory management) Strong understanding of multithreaded systems and low-latency I/O Deep familiarity with design patterns (Observer, Factory, Singleton, etc.) Experience with TDD , GIT , Maven/Gradle , and continuous integration tools Confident communicator with More ❯
improvements for throughput, resilience, and scalability Participate in peer reviews, mentoring, and agile ceremonies Required Skills & Experience Expert-level Core Java (collections, concurrency, NIO, memory management) Strong understanding of multithreaded systems and low-latency I/O Deep familiarity with design patterns (Observer, Factory, Singleton, etc.) Experience with TDD , GIT , Maven/Gradle , and continuous integration tools Confident communicator with More ❯
documentation. Collaborate with cross-functional teams and external partners. Skills & Experience: 5+ years’ backend Python development with API integration expertise ideally in the B2B iGaming sector. Strong Python (asyncio, multithreading, multiprocessing) and frameworks such as FastAPI, Flask, or Django. Proficiency with relational and NoSQL databases (PostgreSQL, Redis, MongoDB). Experience building RESTful APIs and working with WebSockets. RGS or casino More ❯
systems meet production quality standards and are adequately documented. Follow coding standards and defined development processes. Resolve third-line support issues in a professional and timely manner. Qualifications: Java, Multithreaded Experience with Python and React nice to have. Understanding of Pricing and Risk, or solid experience working in banking Strong multi-threading experience Cloud technology experience, ideally with AWS Knowledge More ❯
and AWS-based teams on cross-system integrations Tech snapshot C#/.NET Core | SQL Server | RabbitMQ/Azure Service Bus | React | Azure + AWS | DDD | Microservices | Async/Multithreading What they’re looking for 5+ years in C#/.NET software engineering Experience with asynchronous, event-driven microservice architectures Confident with queues, concurrency, and threading concepts SQL Server expertise More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Quantifi
FinTech, capital markets, or trading/risk platforms. Familiarity with Git, Azure DevOps, and CI/CD pipelines. Experience optimizing performance in large, complex codebases. Exposure to distributed systems, multithreading, or high-frequency data processing. Compensation & Benefits Competitive compensation, bonus, and benefits package. Hybrid work model with flexible arrangements and work-life balance What we offer Work on cutting-edge More ❯
FinTech, capital markets, or trading/risk platforms. Familiarity with Git, Azure DevOps, and CI/CD pipelines. Experience optimizing performance in large, complex codebases. Exposure to distributed systems, multithreading, or high-frequency data processing. Compensation & Benefits Competitive compensation, bonus, and benefits package. Hybrid work model with flexible arrangements and work-life balance What we offer Work on cutting-edge More ❯
FinTech, capital markets, or trading/risk platforms. Familiarity with Git, Azure DevOps, and CI/CD pipelines. Experience optimizing performance in large, complex codebases. Exposure to distributed systems, multithreading, or high-frequency data processing. Compensation & Benefits Competitive compensation, bonus, and benefits package. Hybrid work model with flexible arrangements and work-life balance What we offer Work on cutting-edge More ❯
of the Menlo Security platform to keep end users safe. Responsibilities Evaluate and implement the latest development and deployment technologies for API design, highly available and scalable distributed systems, multithreaded/asynchronous applications with performance and security in mind Technically lead large scale projects, and participate in building, deploying and operating the Menlo Security platform Architect, design, develop and own More ❯