City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
C++ Developer/Engineer (C++ Mac Extensions) WFH/London to £80k Do you have C++ coding skills combined with experience of developing Mac Extensions? You could be progressing your career at a rapidly expanding scale-up software house that is developing a highly complex network cyber security platform; the platform monitors network protocols in real-time, parses the commands … data structures to extract key metadata which is then analysed by in-house algorithms and allows customers to detect hackers, malware, data leakage and other malicious activity. As a C++ Developer you will focus on enabling the core product, written in C/C++ for Windows and Linux to run on Apple Mac software, using the latest Extensions, tools and …/WFH: You can work from home most of the time, meeting up with colleagues in the London office once or twice a month. About you: You have strong C++ development skills You have experience of integrating software with Apple Mac Extensions and APIs You have a good knowledge of Network Security You have VPN client or security experience You More ❯
C++ Software Engineer London | Hybrid (2-3 days per week) | Competitive salary + bonus Ncounter is partnering with a leading trading technology group to hire an exceptional C++ Software Engineer to build and evolve high-performance order gateway systems used in fast-moving fixed income markets. This is a hands-on role developing ultra-low-latency services that handle order … validation, routing and exchange connectivity - the backbone of real-time trading. Youll join a collaborative team of developers, quants and platform engineers, working across a high-availability C++ codebase to deliver fast, resilient and observable services. Youll be empowered to design, implement and test software that directly impacts trading performance, scalability and reliability. Key Responsibilities: Design and develop high-throughput … order gateway components in modern C++ Implement robust connectivity, order validation and routing logic for fixed income markets Profile and optimise multi-threaded code paths, eliminating performance bottlenecks Apply concurrency, lock-free and memory-efficient techniques to maximise throughput Collaborate with quantitative researchers, traders and SRE teams to deliver reliable releases Contribute to automated testing, verification and CI/CD More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Areti Group | B Corp™
quality through testing, reviews, and best practices Collaborate with cross-functional teams to deliver project goals Stay current with emerging technologies and development methodologies Tech Stack & Tools Programming Languages: C++, C#, Python, JavaScript, TypeScript, Java Frameworks & Libraries: .NET, Node.js, React, Angular, Spring Boot, Django (depending on role) Cloud Platforms: AWS, Azure, GCP DevOps & CI/CD: Docker, Kubernetes, Git, Jenkins More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Areti Group | B Corp™
quality through testing, reviews, and best practices Collaborate with cross-functional teams to deliver project goals Stay current with emerging technologies and development methodologies Tech Stack & Tools Programming Languages: C++, C#, Python, JavaScript, TypeScript, Java Frameworks & Libraries: .NET, Node.js, React, Angular, Spring Boot, Django (depending on role) Cloud Platforms: AWS, Azure, GCP DevOps & CI/CD: Docker, Kubernetes, Git, Jenkins More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Client Server
solving skills You're comfortable taking ownership of projects and mentoring more junior team members You have strong TypeScript skills, combined with any backend programming language (e.g. Python, Java, C++, C#) You're happy to work with the following tech stack (you don't need experience with all): Elixir, Ember, Elm, Phoenix, LiveView, Python, PostgreSQL, AWS, Docker You have an More ❯
City of London, London, United Kingdom Hybrid / WFH Options
TreasurySpring
APIs written in Python3. What we’re looking for... Essential skills and experience: 5+ years experience of developing complex applications using an OO language (ideally Python, but experience in C++/C#/Java/etc would also be considered) Experience working on mission-critical applications, following a robust SDLC Excellent communication and problem-solving skills; and a strong aptitude More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
TreasurySpring
APIs written in Python3. What we’re looking for... Essential skills and experience: 5+ years experience of developing complex applications using an OO language (ideally Python, but experience in C++/C#/Java/etc would also be considered) Experience working on mission-critical applications, following a robust SDLC Excellent communication and problem-solving skills; and a strong aptitude More ❯
Solvency II, FATCA, EMIR, MiFID), Pricing & Valuation, Organizational Transformation & Process Improvement. IT & Information systems consulting: Business Analysis, Project Management, Change management, Front Office Support (functional and technical), Development (e.g C++, Python, C#, Java, VBA), Financial Software (e.g. Sophis, Murex, Summit, Calypso), IT Transformation & Innovation. As part of Quanteam Group, Quanteam UK & PL has today more than 80 consultants, working for More ❯
london (city of london), south east england, united kingdom
Quanteam UK
Solvency II, FATCA, EMIR, MiFID), Pricing & Valuation, Organizational Transformation & Process Improvement. IT & Information systems consulting: Business Analysis, Project Management, Change management, Front Office Support (functional and technical), Development (e.g C++, Python, C#, Java, VBA), Financial Software (e.g. Sophis, Murex, Summit, Calypso), IT Transformation & Innovation. As part of Quanteam Group, Quanteam UK & PL has today more than 80 consultants, working for More ❯
towards the customers' mission. The technology experience you bring will likely cover a couple of the following: Java Microservices - Spring boot Javascript/React/Node/Typescript Python C++/Rust Kubernetes/Openshift/Docker AWS IaC - Terraform Agile What's in it for you?: 💰 Salary to £90,000 dependent on experience. 💸 Company/Individual Bonus schemes 🔒 Clearance More ❯
london (city of london), south east england, united kingdom
Fortice
towards the customers' mission. The technology experience you bring will likely cover a couple of the following: Java Microservices - Spring boot Javascript/React/Node/Typescript Python C++/Rust Kubernetes/Openshift/Docker AWS IaC - Terraform Agile What's in it for you?: 💰 Salary to £90,000 dependent on experience. 💸 Company/Individual Bonus schemes 🔒 Clearance More ❯
delivery, including infrastructure (deployments, observability, CI/CD) Must-Have Qualifications 5+ years in software engineering (flexible if skills and impact are strong) Strong foundations in typed languages (e.g., C++, Scala, Rust, Java, C#, Swift) Strong understanding of core programming concepts, including variable assignments and memory allocation (stack vs. heap) Proven track record of recent impact: delivering features, improving systems More ❯
london (city of london), south east england, united kingdom
Heart Mind Talent
delivery, including infrastructure (deployments, observability, CI/CD) Must-Have Qualifications 5+ years in software engineering (flexible if skills and impact are strong) Strong foundations in typed languages (e.g., C++, Scala, Rust, Java, C#, Swift) Strong understanding of core programming concepts, including variable assignments and memory allocation (stack vs. heap) Proven track record of recent impact: delivering features, improving systems More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Ventula Consulting
finance, Market data experience working as a software engineer. Linux experience Understanding of concepts in distributed systems. Excellent communicator with a strong desire to learn and solve problems. Desirable: C++, C, Java and Snowflake, Databricks This opportunity provides a base salary of up to £60,000 plus an excellent benefits package. In terms of working structure, this is hybrid with More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Ventula Consulting
finance, Market data experience working as a software engineer. Linux experience Understanding of concepts in distributed systems. Excellent communicator with a strong desire to learn and solve problems. Desirable: C++, C, Java and Snowflake, Databricks This opportunity provides a base salary of up to £60,000 plus an excellent benefits package. In terms of working structure, this is hybrid with More ❯
an excellent working environment. Previous experience within the sports trading industry would be beneficial. Skills required: PhD in STEM related subject Proficient in several of the following: Python, C#, C++, Java Mathematical Modelling Mathematical skills, particularly a keen understanding of probabilities and statistics Analytic mindset Strong communication skills Accuracy and attention to detail Experience in data science (big data, deep More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Oho Group Ltd
with teams across AI/ML, networking, and robotics. Promote a culture of engineering excellence. Requirements: Degree or equivalent in Computer Science, Engineering, or related fields. Strong skills in C++, Java, Rust, or Python. Frontend experience with TypeScript/JavaScript and React or Angular. Eagerness to learn new tech. Bonus: Embedded systems, Docker/Kubernetes, PostgreSQL, or ML experience. Additional More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Oho Group Ltd
with teams across AI/ML, networking, and robotics. Promote a culture of engineering excellence. Requirements: Degree or equivalent in Computer Science, Engineering, or related fields. Strong skills in C++, Java, Rust, or Python. Frontend experience with TypeScript/JavaScript and React or Angular. Eagerness to learn new tech. Bonus: Embedded systems, Docker/Kubernetes, PostgreSQL, or ML experience. Additional More ❯
City of London, London, United Kingdom Hybrid / WFH Options
G.Digital
technical challenges and build secure, scalable systems that really make an impact . 💻 What you’ll be doing: ✅ Designing and building mission-critical software solutions ✅ Coding in Python, Java, C++, Rust, or Go ✅ Using tools like pytest, OpenAPI, and Docker ✅ Working in Agile teams - delivering real value, fast ✅ Building on cloud platforms like AWS, Azure, or GCP ✅ Applying modern DevOps More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
G.Digital
complex technical challenges and build secure, scalable systems that really make an impact. 💻 What you’ll be doing: ✅ Designing and building mission-critical software solutions ✅ Coding in Python, Java, C++, Rust, or Go ✅ Using tools like pytest, OpenAPI, and Docker ✅ Working in Agile teams - delivering real value, fast ✅ Building on cloud platforms like AWS, Azure, or GCP ✅ Applying modern DevOps More ❯
Experience with large-scale data integration and processing • Excellent problem-solving and communication skills • 2+ years of post-university experience • Ability to translate business needs into technical solutions Desirable • C++ experience • Background in supply chain, logistics, or operations research • Simulation/modeling tools experience • Fintech or quantitative experience • Previous consulting or client-facing engineering roles More ❯
london (city of london), south east england, united kingdom
TrueNorth®
Experience with large-scale data integration and processing • Excellent problem-solving and communication skills • 2+ years of post-university experience • Ability to translate business needs into technical solutions Desirable • C++ experience • Background in supply chain, logistics, or operations research • Simulation/modeling tools experience • Fintech or quantitative experience • Previous consulting or client-facing engineering roles More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Techfellow Limited
building distributed or performance-sensitive systems, ideally with microsecond-level latency or high-throughput requirements Proven coding ability in Kotlin, or another object-oriented language such as Java (preferred), C++ or C# Familiarity with Linux APIs and comfort developing in a Linux-based environment Strong computer science fundamentals with several years’ experience in professional software development Experience applying modern testing More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Techfellow Limited
building distributed or performance-sensitive systems, ideally with microsecond-level latency or high-throughput requirements Proven coding ability in Kotlin, or another object-oriented language such as Java (preferred), C++ or C# Familiarity with Linux APIs and comfort developing in a Linux-based environment Strong computer science fundamentals with several years’ experience in professional software development Experience applying modern testing More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Morris Sinclair Recruitment
skills Structured approach to quantitative challenges Comfort working in a dynamic startup environment Qualifications Microsoft Azure experience, particularly R integration Application containerization knowledge (Docker, etc.) Familiarity with Python, JavaScript, C++, bash, or other languages Web application development experience (React, .NET) Background in data security and IP protection workflows Knowledge of environmental sustainability concepts (carbon footprinting, lifecycle analysis, environmental modeling) Experience More ❯