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 ❯
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 ❯
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 ❯
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 ❯
in financial markets and blockchain technologies You own your deliverables reliability, scalability, and maintainability You love to analyse and tackle complex problems with elegant solutions You have exposure in multithreading, web protocol (e.g. websocket, RESTful), or high throughput/low latency design is a plus More ❯
championing best practices in across the technology stack Driving performance, scalability, and resilience across the tech environments What We’re Looking For Proven experience in Java (Spring Boot, microservices, multithreading) Strong cloud infrastructure knowledge (AWS,GCP,Azure) Solid understanding of CI/CD, containerisation (Docker/Kubernetes), and infrastructure-as-code Experience in financial services or investment platforms is a More ❯
championing best practices in across the technology stack Driving performance, scalability, and resilience across the tech environments What We’re Looking For Proven experience in Java (Spring Boot, microservices, multithreading) Strong cloud infrastructure knowledge (AWS,GCP,Azure) Solid understanding of CI/CD, containerisation (Docker/Kubernetes), and infrastructure-as-code Experience in financial services or investment platforms is a 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 ❯
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 ❯
Greater London, England, United Kingdom Hybrid/Remote Options
Hunter Bond
year of professional experience , ideally in FinTech, banking, or another high-performance domain. Experience in complex systems or mission-critical environments is a big plus. Solid understanding of multithreading , async programming, and system optimization is advantageous. Comfort working in a fast-paced, test-driven, agile development environment. 💰 Compensation & Perks Base Salary : Up to £120,000 Bonus : Exceptional performance-based bonuses 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 ❯
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 ❯
and financial markets, collaborating with experts across the region to deliver impactful solutions. Key skills required for this role include: Advanced experience in Core Java – Hands-on expertise in multithreaded programming and zero garbage collection (GC) principles. Proven track record in building distributed systems, specifically for trading or risk management applications. Deep understanding of equity derivatives products and order/ 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 ❯
Requirements 4+ years in a front- or middle-office engineering environment. Deep expertise in advanced C++ (including STL) and low-latency, high-performance Linux development. Strong background in building multithreaded, distributed, and high-availability systems. Experience integrating or supporting pricing models within trading or risk infrastructure. Solid understanding of major asset classes — Equities, Futures, Options, Swaps. Knowledge of full trade More ❯
Requirements 4+ years in a front- or middle-office engineering environment. Deep expertise in advanced C++ (including STL) and low-latency, high-performance Linux development. Strong background in building multithreaded, distributed, and high-availability systems. Experience integrating or supporting pricing models within trading or risk infrastructure. Solid understanding of major asset classes — Equities, Futures, Options, Swaps. Knowledge of full trade More ❯
City of London, London, United Kingdom Hybrid/Remote Options
Understanding Recruitment
to rapidly progress into a senior position. Experience they are looking for in Mid Java Developers: Core Java Developing software from scratch WITHOUT the use of frameworks e.g. Spring Multithreading TDD, CI/CD, Paired-programming environment Data structures, algorithms, threads Working in a modern FinTech environment e.g. startup is a plus An interest in the financial sector, FX and More ❯
to rapidly progress into a senior position. Experience they are looking for in Mid Java Developers: Core Java Developing software from scratch WITHOUT the use of frameworks e.g. Spring Multithreading TDD, CI/CD, Paired-programming environment Data structures, algorithms, threads Working in a modern FinTech environment e.g. startup is a plus An interest in the financial sector, FX and More ❯
enhance our communication capabilities. Participate in end-to-end system design, from architecture to deployment. Experience and Qualifications: Degree in Software Engineering or related discipline. C#.NET Core Experience in multithreaded applications - Task Parallel Library specifically Test driven development TDD Git Strong communication skills both with the team and externally SIP signalling/RTP Realtime Transport Protocol BDD (SpecFlow) SQL Docker More ❯
enhance our communication capabilities. Participate in end-to-end system design, from architecture to deployment. Experience and Qualifications: Degree in Software Engineering or related discipline. C#.NET Core Experience in multithreaded applications - Task Parallel Library specifically Test driven development TDD Git Strong communication skills both with the team and externally SIP signalling/RTP Realtime Transport Protocol BDD (SpecFlow) SQL Docker More ❯
