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
Hunter Bond
in a culture that rewards initiative What You’ll Bring 🎓 Degree in Mathematics, Computer Science, Physics, Engineering, or related STEM field 💻 Proficiency in at least one programming language (Python, C++, Java, C#, KDB+/Q, etc.) 🔍 Strong analytical mindset and passion for solving complex challenges ⚡ High motivation, curiosity, and eagerness to thrive in a fast-paced setting Why Join? 🌍 Work More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Hunter Bond
in a culture that rewards initiative What You’ll Bring 🎓 Degree in Mathematics, Computer Science, Physics, Engineering, or related STEM field 💻 Proficiency in at least one programming language (Python, C++, Java, C#, KDB+/Q, etc.) 🔍 Strong analytical mindset and passion for solving complex challenges ⚡ High motivation, curiosity, and eagerness to thrive in a fast-paced setting Why Join? 🌍 Work 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 ❯
City of London, London, United Kingdom Hybrid / WFH Options
Client Server
C++ Software Engineer/Developer (C++ Mac Extensions API) WFH/London to £80k Are you a C++ Software Engineer with experience of developing and integrating Apple Mac Extensions and APIs? 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 … 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++ Software Engineer 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 …/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 and EDR/EDTR You have VPN client More ❯
to be part of thriving teams and communities Must-haves: Minimum 2-3 years’ experience in a widely used programming language such as Java, JavaScript/TypeScript, Python or C++ Experience taking ownership and responsibility over areas of software, design, or engineering teams Ability to hold and maintain a DV clearance Ability to work at least part-time in a More ❯
london (city of london), south east england, united kingdom
Fat Potato
to be part of thriving teams and communities Must-haves: Minimum 2-3 years’ experience in a widely used programming language such as Java, JavaScript/TypeScript, Python or C++ Experience taking ownership and responsibility over areas of software, design, or engineering teams Ability to hold and maintain a DV clearance Ability to work at least part-time in a 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 ❯
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
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
Crossing Hurdles
architecture, debugging, and code quality assessment . Proven ability to review code diffs and evaluate correctness, maintainability, and efficiency . Proficiency in backend languages (Java, Rust, Go, Node, Python, C++) and frontend frameworks (Typescript, JavaScript, React, Vue, Angular, jQuery). Excellent oral and written communication skills . P.S. After applying, within 1–2 days, you will hear from us via More ❯
City of London, London, England, United Kingdom Hybrid / WFH Options
Client Server Ltd
two days. About you: You're a data centric, Senior Software Engineer with a strong knowledge of modern software engineering best practices You have strong development experience with C#, C++ or Python You have advanced SQL database knowledge (they use Oracle), experience with data transformation technologies such as Databricks or Snowflake and data streaming technologies such as Kafka You have More ❯
messaging layer. Ensure compliance with security policies and participate in audits and vulnerability remediation. Maintain accurate documentation, including topology diagrams, runbooks, and configuration baselines. Support proprietary messaging APIs using C++, Java, Python, and C# programming languages. Provide support for proprietary cache and gateways that integrate applications with the messaging service. Required Skills & Qualifications: 3+ years of experience administering Solace PubSub+ More ❯
london (city of london), south east england, united kingdom
BGC Group
messaging layer. Ensure compliance with security policies and participate in audits and vulnerability remediation. Maintain accurate documentation, including topology diagrams, runbooks, and configuration baselines. Support proprietary messaging APIs using C++, Java, Python, and C# programming languages. Provide support for proprietary cache and gateways that integrate applications with the messaging service. Required Skills & Qualifications: 3+ years of experience administering Solace PubSub+ More ❯
City of London, London, United Kingdom Hybrid / WFH Options
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 ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
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 ❯
is an office-based role and as well as very competitive salaries, our client offers an excellent working environment. Skills required: 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 An interest in More ❯
needed for a Desk Quant Analyst Bachelors degree in engineering, computer science or another technical related subject. programming proficiency with at least one major programming or scripting language (e.g. C++, Java, Python) high level of communication skills and ability to work efficiently with colleagues across multiple areas Additional desirable Qualifications for desk quant analyst Knowledge of Q/KDB+ Knowledge More ❯
the worlds most accountable and sustainable cloud provider🌳 What they're looking for in a Senior Software Engineer: Tech agnostic but preferable experience working with Golang, Rust, C/C++ or Java. In-depth knowledge of distributed systems, building solutions at scale where performance, reliability and availability are key considerations. Experience working on software infrastructure or building Cloud native software More ❯
london (city of london), south east england, united kingdom
Burns Sheehan
the worlds most accountable and sustainable cloud provider🌳 What they're looking for in a Senior Software Engineer: Tech agnostic but preferable experience working with Golang, Rust, C/C++ or Java. In-depth knowledge of distributed systems, building solutions at scale where performance, reliability and availability are key considerations. Experience working on software infrastructure or building Cloud native software More ❯
Engineer to join their team on a permanent basis. In order to be successful, you will have the following experience: Experienced Software Developer/Engineer Strong background within Python, C++, C#, SQL, TypeScript Experience of Palantir technology is a bonus DV or SC Clearance is essential Within this role, you will be responsible for: Delivering strategic advisory, engineering delivery, and More ❯
that matter most — sometimes in live environments alongside real systems. Required Skills Degree in Computer Science, Engineering, or a related technical field (or equivalent experience) Strong programming skills in C++, Rust, Java 8+ years of professional software engineering experience Preferred Skills Experience with autonomous systems and robotics Benefits Mission & impact: Build software directly supporting defence and humanitarian operations Ownership: Shape More ❯