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 fixedincome 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 … 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 fixedincome 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 … serialization and distributed architectures Strong analytical and debugging skills, using profiling tools to measure performance Exposure to Python, Bash, or similar for automation and testing is advantageous Knowledge of fixedincome products (corporate bonds, treasuries, IRS, CDS) is helpful This is an opportunity to work at the heart of a global trading platform, building technology that traders and More ❯
City of London, London, United Kingdom Hybrid / WFH Options
SGI
Machine learning Quantitative Engineer London - Hybrid working Rate - £1,200 Key Responsibilities Research, design, and implement machine learning and quantitative models for pricing, trading signals, and risk management across FixedIncome products (rates, credit, FX, mortgages). Apply advanced statistical learning methods (time-series, NLP, deep learning, reinforcement learning, graph-based models) to large-scale, high-frequency, and … numerical methods with practical applications. Proficiency in Python (NumPy, Pandas, scikit-learn, PyTorch/TensorFlow) and experience with C++ or Java for high-performance model integration. Solid understanding of FixedIncome products, yield curve modelling, and financial mathematics. Experience building production-level ML systems in low-latency or large-scale environments. Strong communication skills with the ability to More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
SGI
Machine learning Quantitative Engineer London - Hybrid working Rate - £1,200 Key Responsibilities Research, design, and implement machine learning and quantitative models for pricing, trading signals, and risk management across FixedIncome products (rates, credit, FX, mortgages). Apply advanced statistical learning methods (time-series, NLP, deep learning, reinforcement learning, graph-based models) to large-scale, high-frequency, and … numerical methods with practical applications. Proficiency in Python (NumPy, Pandas, scikit-learn, PyTorch/TensorFlow) and experience with C++ or Java for high-performance model integration. Solid understanding of FixedIncome products, yield curve modelling, and financial mathematics. Experience building production-level ML systems in low-latency or large-scale environments. Strong communication skills with the ability to More ❯
agility to act decisively when opportunity arises. With a presence across New York, London, Greenwich, and Dublin, the firm invests across asset classes — including public and private equity, credit, fixedincome, FX, and alternatives — through a flexible, unconstrained mandate. Its professionals are united by an entrepreneurial culture that values intellectual rigor, collaboration, and innovation. The firm emphasizes ownership … Effective communicator capable of working directly with business users and senior stakeholders. Adaptable and collaborative mindset, thriving in a fast-paced, agile environment. Familiarity with multi-asset trading (Equities, FixedIncome, Options, Futures) preferred. Interest in leveraging AI-assisted tools to enhance the development lifecycle. Why This Role Be part of a high-caliber engineering team powering a More ❯
london (city of london), south east england, united kingdom
Mondrian Alpha
agility to act decisively when opportunity arises. With a presence across New York, London, Greenwich, and Dublin, the firm invests across asset classes — including public and private equity, credit, fixedincome, FX, and alternatives — through a flexible, unconstrained mandate. Its professionals are united by an entrepreneurial culture that values intellectual rigor, collaboration, and innovation. The firm emphasizes ownership … Effective communicator capable of working directly with business users and senior stakeholders. Adaptable and collaborative mindset, thriving in a fast-paced, agile environment. Familiarity with multi-asset trading (Equities, FixedIncome, Options, Futures) preferred. Interest in leveraging AI-assisted tools to enhance the development lifecycle. Why This Role Be part of a high-caliber engineering team powering a More ❯
or identify likely problem areas. Experience with monitoring systems (Grafana, Prometheus, Splunk, etc.). Familiarity with message buses (TIBCO RV, Kafka) or distributed applications. Understanding of financial systems or FixedIncome products. More ❯
london (city of london), south east england, united kingdom
Venture Search
or identify likely problem areas. Experience with monitoring systems (Grafana, Prometheus, Splunk, etc.). Familiarity with message buses (TIBCO RV, Kafka) or distributed applications. Understanding of financial systems or FixedIncome products. More ❯
DO NOT apply. You’ll have a mix of Manual and Automated Testing with a minimum 3+ years’ experience and some business knowledge of Equites, Foreign Exchange, Futures & Options, FixedIncome ... a minimum of 1 year must have been in a Banking/Financial environment. You’ll be working in a fast paced and pressurised environment where More ❯
C# Developer – Front Office Trading Overview Our client is a global quantitative trading firm that brings together exceptional talent in technology, trading, and quantitative research to compete in dynamic financial markets. Specializing in derivatives trading, market making, and systematic strategies More ❯
london (city of london), south east england, united kingdom
Venture Search
C# Developer – Front Office Trading Overview Our client is a global quantitative trading firm that brings together exceptional talent in technology, trading, and quantitative research to compete in dynamic financial markets. Specializing in derivatives trading, market making, and systematic strategies More ❯
Engineer in Test role for another Asset Manager, will have a passion for delivering innovative technical solutions and will have a broad knowledge of Asset Management, including Equities, Cash, FixedIncome and complex Swap instruments. Specific Aladdin or Charles River experience is highly desirable. Minorities, women, LGBTQ+ candidates, and individuals with disabilities are encouraged to apply. Interviews will More ❯
london (city of london), south east england, united kingdom
Bangura Solutions
Engineer in Test role for another Asset Manager, will have a passion for delivering innovative technical solutions and will have a broad knowledge of Asset Management, including Equities, Cash, FixedIncome and complex Swap instruments. Specific Aladdin or Charles River experience is highly desirable. Minorities, women, LGBTQ+ candidates, and individuals with disabilities are encouraged to apply. Interviews will More ❯
in TypeScript/React and at least one backend language, ideally Python. Proven ability to deliver high-quality UX/UI experiences. Passion for engaging with all aspects of fixedincome and macro trading. Proficiency in Linux environments and cloud technologies. Excellent communication skills, both written and verbal. More ❯
london (city of london), south east england, united kingdom
Selby Jennings
in TypeScript/React and at least one backend language, ideally Python. Proven ability to deliver high-quality UX/UI experiences. Passion for engaging with all aspects of fixedincome and macro trading. Proficiency in Linux environments and cloud technologies. Excellent communication skills, both written and verbal. More ❯
City of London, Greater London, UK Hybrid / WFH Options
Mondrian Alpha
is seeking a Senior Software Engineer to join the systematic crypto arm of its high-frequency trading business. The firm operates across a broad spectrum of asset classes, including fixedincome, equities, FX, commodities, and digital assets, designing and deploying sophisticated strategies with speed, scale, and precision. The Systematic Crypto Trading team runs fully automated, mid- and high More ❯
Understanding of/experience dealing with major financial institutions including Asset Managers, Hedge Funds, Broker Dealers, Pension Plans, and/or Consultants; Strong understanding of the global equity and fixedincome markets; A self-starter and highly motivated; ability to work individually and within a team; Thorough understanding of the investment management process; Someone who enjoys intellectual and More ❯
UDP, multicast) and low latency data distribution. Ideally these skills will have been gained in a Low Latency Financial/Banking/Trading arena with some business knowledge (Equities, FixedIncome, Futures & Options) but candidates from other domains such as Streaming, Telecoms, Defence and Gaming where latency is a priority will also be considered. Responsibilities and Duties Requirements More ❯
detail Highly Desirable Experience with fund accounting/administration systems (Geneva, Charles River, SimCorp, etc.) Knowledge of portfolio accounting concepts and post-trade lifecycle Familiarity with financial instruments (equities, fixedincome, derivatives) Understanding of hedge fund operations This is a leading multi-strategy hedge fund managing billions in assets across global markets. Offering a collaborative environment with cutting More ❯
london (city of london), south east england, united kingdom
Cross Atlantic Partners
detail Highly Desirable Experience with fund accounting/administration systems (Geneva, Charles River, SimCorp, etc.) Knowledge of portfolio accounting concepts and post-trade lifecycle Familiarity with financial instruments (equities, fixedincome, derivatives) Understanding of hedge fund operations This is a leading multi-strategy hedge fund managing billions in assets across global markets. Offering a collaborative environment with cutting More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Trevose Partners
Python (essential). Familiarity with market participants and their roles (brokers/market makers, custodians, prime brokers, fund services, vendors). Experience working with multi-asset data feeds (Equities, FixedIncome, ETDs, OTCs, Alternatives). Nice-to-have Experience delivering SaaS implementations to buy-side clients. Knowledge of API integrations and data models in investment platforms. Comfort working More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Trevose Partners
Python (essential). Familiarity with market participants and their roles (brokers/market makers, custodians, prime brokers, fund services, vendors). Experience working with multi-asset data feeds (Equities, FixedIncome, ETDs, OTCs, Alternatives). Nice-to-have Experience delivering SaaS implementations to buy-side clients. Knowledge of API integrations and data models in investment platforms. Comfort working More ❯
Senior Sales Executive Fintech – FixedIncome Data London, Hybrid £80k–£120k base + uncapped commission + benefits This high growth fintech is hiring a senior salesperson to drive new logo acquisition and expand strategic accounts across banks, asset managers, trading firms and venues. The role Own the full enterprise sales cycle: prospecting, qualification, discovery, demo/POC, commercial More ❯
london (city of london), south east england, united kingdom
Harrington Starr
Senior Sales Executive Fintech – FixedIncome Data London, Hybrid £80k–£120k base + uncapped commission + benefits This high growth fintech is hiring a senior salesperson to drive new logo acquisition and expand strategic accounts across banks, asset managers, trading firms and venues. The role Own the full enterprise sales cycle: prospecting, qualification, discovery, demo/POC, commercial More ❯