London, South East, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
Backend Software Engineer/Developer (Windows C/C++, C#) London to £70k FTC Are you a skilled Backend Software Engineer with strong C++ skills? You could be progressing your career in a senior, hands-on role at a global More ❯
Senior Java Software Engineer - Java 11+, Spring, Spring Boot, Microservices, Kafka, Akka, Docker/Kubernetes, Real-time, TDD/BDD, Payments - London A Senior Java Engineer with a background in finance/payments and experience working on distributed real-time More ❯
Surrey, England, United Kingdom Hybrid / WFH Options
Christy Media Solutions
Junior C++ Developer to join a forward-thinking team building next-gen audio solutions for Embedded Linux, macOS, and iOS platforms. If you're eager to learn, excited by multithreading, and keen to apply your skills in a real-world environment — this one's for you. 🔧 What You’ll Work On : Develop high-performance audio software in C++ Work with … cross-platform tools (Linux/macOS/iOS) Build slick user interfaces using Qt/QtQuick Explore multithreaded and TCP/IP-based communications Collaborate within an Agile/CI/CD environment Get exposure to C#, Flutter , and even Delphi Contribute to front-end, back-end, and full-stack projects Be part of live streaming and real-time audio … systems 🌱 What You Bring : Solid grasp of C++ and other Object-Oriented Programming languages Some exposure to multithreading & cross-platform development Basic understanding of networking (TCP/IP) Enthusiasm for audio, technology, or both! Willingness to learn and grow in a collaborative team ✨ Nice to Have : Experience with C#, Python or JavaScript Interest in audio software, FPGA, or embedded systems More ❯
Think speed, resilience, and smart engineering, all in a modern DevOps environment. A great Java Software Engineer will have: 3+ years of commercial Core Java experience Strong background in multithreading , concurrency , and high-throughput systems A passion for TDD , pair programming , and continuous delivery Computer Science degree from a Russel Group University 💻 Tech Stack: Java , AWS , React, Multithreading , Kafka , ActiveMQ More ❯
Think speed, resilience, and smart engineering, all in a modern DevOps environment. A great Java Software Engineer will have: 3+ years of commercial Core Java experience Strong background in multithreading , concurrency , and high-throughput systems A passion for TDD , pair programming , and continuous delivery Computer Science degree from a Russel Group University 💻 Tech Stack: Java , AWS , React, Multithreading , Kafka , ActiveMQ More ❯
a high-performing team building distributed, low-latency systems designed for speed, scale, and resilience. 🧠 What They’re Looking For: 2+ years’ commercial experience with Java Solid grasp of multithreading, concurrency , and high-throughput system design A passion for TDD, pair programming , and continuous delivery practices Computer Science degree from a Russell Group university 💻 Tech Stack: Java | AWS | Multithreading | Kafka More ❯
a high-performing team building distributed, low-latency systems designed for speed, scale, and resilience. 🧠 What They’re Looking For: 2+ years’ commercial experience with Java Solid grasp of multithreading, concurrency , and high-throughput system design A passion for TDD, pair programming , and continuous delivery practices Computer Science degree from a Russell Group university 💻 Tech Stack: Java | AWS | Multithreading | Kafka More ❯
to understand requirements and develop technical solutions whilst working in the firms prop trading team. The successful candidate will have the following: Strong proficiency in Java, including concurrency and multithreading Strong knowledge and experience working on low latency trading systems Strong knowledge of financial markets Strong problem solving skills Strong communication skills A degree from a leading university in computer More ❯
a high-performing team building distributed, low-latency systems designed for speed, scale, and resilience. What They’re Looking For: 2+ years’ commercial experience with Java Solid grasp of multithreading, concurrency , and high-throughput system design A passion for TDD, pair programming , and continuous delivery practices Computer Science degree from a Russell Group university Java | AWS | Multithreading | Kafka | ActiveMQ | MongoDB More ❯
cloud with Azure. Collaborate closely with engineers, QA, analysts, and product teams Provide technical leadership and code mentorship to junior developers Solve performance, concurrency, and scalability challenges in a multithreaded environment Help drive the move to Linux and containerised workloads using Docker, AKS Support modernisation efforts including GPU computation and observability Tech Stack C#/.NET Azure : Batch, Blob/… programming DevOps and CI/CD Requirements 7+ years’ experience in commercial software engineering Deep experience with backend development in .NET and C# Solid understanding of distributed systems and multithreaded programming Strong debugging, problem-solving, and logging/tracing skills Cloud experience (Azure) Collaborative mindset with experience mentoring others Why Join £70,000–£90,000 base salary Performance based bonus More ❯
London, England, United Kingdom Hybrid / WFH Options
Oxford Knight
degree in Computer Science, Engineering, or related field 5+ years of C++ experience, emphasizing low-level programming and metaprogramming for high-performance applications Expertise in CPU architecture, memory management, multithreading, and Linux systems Experience with high-frequency trading or market order execution systems Strong analytical, problem-solving, and testing skills Excellent interpersonal skills and a collaborative mindset What's On More ❯
and will have a strong understanding of the pricing and risk functionalities of a trading system. Skills and Experience Required: Minimum 5+ years’ Java backend programming experience, including concurrent, multithreaded application development Deep expertise in OO design, design patterns, Unit & Integration testing Experience in a Unix/Linux environment (must-have) Knowledge of Agile/Scrum development methodologies Degree in More ❯
London, England, United Kingdom Hybrid / WFH Options
Oxford Knight
Computer Science, Engineering, or a related field 5+ years of C++ experience, focusing on low-level C++ and metaprogramming for high-performance applications Expertise in CPU architecture, memory management, multithreading, and Linux systems Prior experience with high-frequency trading or market order execution systems Excellent analytical and problem-solving skills, with an eye for precision and testing Strong interpersonal skills 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 ❯
London, England, United Kingdom Hybrid / WFH Options
Oxford Knight
Computer Science, Engineering, or a related field 5+ years of C++ experience, focusing on low-level C++ and metaprogramming for high-performance applications Expertise in CPU architecture, memory management, multithreading, and Linux systems Prior experience with high-frequency trading or market order execution systems Excellent analytical and problem-solving skills, with an eye for precision and testing Strong interpersonal skills More ❯
some direct reports and will be responsible for mentoring and supporting them. Key Skills & Experience Must-Have: Expert-level Java experience (Java 17+ preferred) - deep understanding of core Java, multithreading, concurrency, and performance tuning Strong experience with Spring Boot, RESTful APIs, and Microservices Deep knowledge of software architecture and ability to design scalable, high-performance systems Experience with relational databases More ❯
Python development. Strong knowledge of IR and FX pricing models and fixed income markets. Proficiency in Linux and Windows environments. Experience developing Excel add-ins. Experience with high-performance, multithreaded systems. Excellent communication skills. A passion for creating quality applications. Interest in financial products and trading. Commitment to high ethical standards. We support our people through various benefits, including: Private More ❯
from single Linux servers right up to the largest supercomputers in the world. Our tools span a wide range of use cases: from C/C Python developers writing multithreaded server applications, through ML and data analysis, to HPC developers scaling programs to millions of cores. To learn more about Linaro Forge please visit . Main Duties Develop quality functionality 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 ❯
peers within the test group. Participate actively in agile ceremonies, providing input during planning, refinement, and daily stand-ups. Qualifications Significant experience developing with Python, especially in high-performance, multithreaded applications using Flask, SQL, and databases. Experience using Linux as a development platform. Hands-on experience with REST, HTTP, JSON, and Docker. Excellent communication skills, with the ability to provide More ❯
automate day-to-day development and testing tasks. Excellent understanding of software and hardware interaction. Expertise in application, data, and infrastructure architecture disciplines. Strong computer science fundamentals such as multithreading, object-oriented development. Ability to work closely with various teams including Application Development, Business Analyst & Operations. Preferred qualifications, capabilities, and skills: BS degree, preferably in Computer Science/Engineering or More ❯
London, England, United Kingdom Hybrid / WFH Options
Entain
with: C#, .NET 4.0 or higher ASP.NET/ASP.NET MVC, WCF, Web API LINQ, Reflection, ADO.NET MS Visual Studio 2017, MS SQL Server, IIS Thorough understanding of concurrency and multithreading, ability to write scalable, reliable, testable and reusable code Strong knowledge of design patterns and .NET Class Library Experience with Git, NuGet, NCover/dotCover, nUnit Ideally experience with SignalR More ❯
problem-solving skills, with a desire to own issues and see them through to resolution. What We’re Looking For: Excellent core Java skills Exceptional knowledge of concurrency and multithreaded programming Experience of developing low latency pricing and trading systems in a Linux environment Application performance profiling and optimization Bonus Points: eFX development experience in a low latency, zero GC More ❯
Skills and Experience In depth commercial development experience with dominant experience on Client and Server side applications. Proven experience in writing and supporting high performing applications with expertise in Multithreading, Async communication, Reactive Extensions. Extensive hands-on experience in web technologies and development with experience in HTML 5, CSS, React, ES6+, Typescript and Backend using Java technologies. Experience with desktop 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 ❯