Senior C# Engineer C# Software Developer City of London, On-site Perm Role: £90,000 - £130,000 Harrington Starr has partnered with an innovative proprietary trading firm headquartered in the City of London. They are seeking to hire a Senior Software Engineer with extensive experience across the Microsoft technology stack. What you will get: A chance to work on the latest Microsoft technologies. To work in a friendly, non-corporate environment. Excellent benefits...
Full Stack Engineer Key Technologies: C#, .NET, SQL Server, JavaScript, React City of London Perm Role: £70,000 - £90,000 Harrington Starr has partnered with a proprietary trading firm headquartered in the City of London. They are seeking to hire a Software Engineer with expertise in the MS tech stack and JavaScript ecosystem. What you will get: A chance to work on the latest Microsoft technologies. Excellent benefits for you and...
Senior Software Engineer Key Technologies: C#, .NET, React, JavaScript, Typescript, AWS, Docker, NodeJS City of London, United Kingdom Perm Role: £80,000 - £100,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team This role provides the perfect opportunity to launch your career in a well-established, dynamic environment. Key responsibilities: Immediate contribution to design,...
Senior Full Stack Engineer Tech: JavaScript, TypeScript, Node.js, ReactJS, Kubernetes Perm Role - City of London Hybrid Working Structure - Minimum 1 day onsite Salary - £70,000 - £90,000 Harrington Starr has partnered with an innovative Crypto and Digital Asset house. They are seeking to hire an experienced Senior Full Stack Engineer with strong commercial experience across the JavaScript/ TypeScript technologies, with extensive commercial experience utilising Node.js and ReactJS framework....
Software Engineer Perm Role City of London, Hybrid Working Model £60,000 - £80,000 Harrington Starr has partnered with a financial services banking platform provider who are seeking to hire an experience Mid - Senior level Full Stack Engineer utilsing C#, .NET and Angular, familiar with CQRS design patterns and strong microservice development experience. Key responsibilities: C#, .NET / Angular development of existing applications and projects Development, design and maintenance of...
C# Software Developer - Reporting City of London Perm Role: £80,000 - £120,000 Harrington Starr has partnered with an innovative proprietary trading firm headquartered in the City of London. They are seeking to hire a Senior Software Engineer with extensive experience across the Microsoft technology stack for their analytics and reporting team. Key responsibilities: Individual contribution to backend development of key business products and applications (C#, .NET and SQL focus)....
Football Modeller Position Join a collaborative prediction team as a Football Modeller to enhance predictive models, explore new methodologies, and develop solutions in sports analytics. Requirements: 3 years in predictive modelling, machine learning, and probability theory (preferably in sports/gaming). Familiar with Monte Carlo simulation, Bayesian modelling, mixed effects models, Kalman filters, GLMs, and time series forecasting. Strong programming skills in Python. Experience with dataset exploration and handling data quality issues....
Pre-Sales Consultant Financial Technology City, London Circa £100,000 bonus benefits An established, fast-growing AI-powered fintech who specialise in credit risk and fraud detection, need to add additional presales consultants to support a growing pipeline of business across Europe, with a particular focus on France. Your role will be to work closely with sales teams to help identify prospects and remove any technical obstacles in the sales process – you will...
Senior Quantitative Researcher Location: London Competitive base salary extremally competitive bonus structure My client is a leading market maker with a global trading footprint. I am looking for a quantitative researcher to play an integral part in their team. You will be reporting to the global head of systematic trading and working alongside PMs. What you will need: experience working with HFT and/or MFT at least 3 years working on...
Portfolio Manager Extremely competitive salary My client is London based trading boutique, looking for an experienced portfolio manager to join its team. Backed by a well renowned hedge fund, my client is looking for PMs with experience running systematic equities and/or systematic futures that are live and portable. I am looking for candidates: with a strong track record in trading systematic equities and an active strategy with a Sharpe ratio...
C# Quantitative Developer Hybrid, London I am recruiting for a market leading sports trading organisation for an experienced C# quantitative developer to join their modelling team. This role sits in a world leading team of quantitative developers and analysts. Sports trading experience is beneficial but by no means required. I am looking for: demonstrated experience programming with C# a mathematical or analytical mindset, including a degree with at least a...
Sub PM role Extremally competitive salary Harrington Starr has partnered with a market-leading proprietary trading firm. I am looking for a systematic equities quant researcher who has experience in alpha generation, portfolio construction and portfolio optimisation. This opportunity will give you the chance to work alongside the PM of the systematic equities pod as a Sub PM. This role requires At least 4 years of experience working with systematic equities...
Senior Quantitative Researcher - London To be successful in this application you must have at least 4 years' experience in a systematic research role within equities. Exceptions may be made for candidates from a more junior background with standout experience. For further enquiries reach out to kate.jenkinsonharringtonstarr.com. I'm seeking candidates with a proven track record developing and implementing successful systematic equity strategies to join a global systematic fund under a...
I am working with a boutique cricket trading syndicate to build out their trading team. I am looking to speak to experienced cricket traders on the hunt for a better and more autonomous working environment alongside heavily performance based pay. Please reach out to kate.jenkinsonharringtonstarr.com or apply here to find out more. Only traders with demonstrated professional experience trading cricket will be considered.
Quantitative Crypto Trader Location: London A global quantitative investment firm is seeking a skilled researcher to join its crypto strategies team. The organisation specialises in systematic investing, driven by technology and data, operating across liquid asset classes globally. Role Highlights: Develop advanced crypto trading signals on multiple exchanges. Oversee trading strategies, performance, and associated risks. Utilise large-scale data sets to identify statistical trends and opportunities. Lead end-to-end strategy development, from...
Quantitative Researcher Alpha research, options market making My client is a medium sized options market maker looking to add a Senior Quant Researcher to their options market making research desk. This role will involve: Identifying alpha signals and enhance trading models across options, delta one and vol Working with quant PMs and traders in the development and backtesting of quantitative strategies using historical data, with a focus on alpha research...
Quantitative Researcher Pricing, options market making My client is a medium sized options market maker looking to add a Senior Quant Researcher to their options market making research desk. This role will involve: Develop and refine pricing models for options and derivatives, optimizing for market-making efficiency and profitability. Implement and test algorithms that adjust option prices dynamically based on market conditions. Apply advanced mathematical techniques, including stochastic processes, Monte Carlo...
Senior Quant Trader, cricket Onsite London I work with an elite systematic sports trading business looking to add to their cricket desk in London. This is a small but high performing prop trading firm that have excelled in the sports markets for over a decade. You will need demonstrated prior professional experience working in cricket modelling/cricket trading and a strong quantitative/mathematical mindset in order to excel in this role. If...
Hands-on Engineering Leader – Java – Financial Technology. About the Role We're seeking a passionate and experienced hands-on Engineering Leader. In this critical role, you will lead and inspire a high-performing team of engineers, directly contributing to the development and delivery of innovative customer-centric products. This is not just a management position; you'll be deeply involved in the technical aspects of the projects, mentoring engineers, and ensuring you are building...
This team is responsible for clearing Credit Default Swaps on European, US&Asian Indices, Single Names and Options for the members and clients of this firm. The role is for an experienced server-side developer in the team responsible for CDSClear’s pricing, risk and analytics solutions for credit derivative products. The risk platform facilitates margin calculations for both overnight and intraday collateral calls, the pricing of Credit Index Options and the external...
Lead Engineer Key Technologies: JavaScript, TypeScript, Node.js, Nest.js, React, Docker, Kubernetes City of London – hybrid model (2 days in the office) Perm Role: £70,000 – £100,000 Harrington Starr has partnered with a market leading global FinTech platform in quantitative technologies. They are seeking a hands-on Lead Engineer to join their rapidly growing team to make an impact from the get-go Key Responsibilities: Key involvement in developing essential projects, features...
Senior Scala Engineer - Hybrid - London Harrington Starr are proud to be partnered with a FinTech scale-up offering a fantastic opportunity to join their business as a Senior Scala Engineer. My client can offer close-knit mentorship within a small team ensuring that you become an expert in this space. You will also have the opportunity to take on full-stack duties, working with the frontend of their application. The successful...
Application Support Developer Contracting for a Hedge Fund / Asset Manager £700 - £1000 per day - OUTSIDE IR35 Initial 6 month contract with option to extend or convert to perm. Our client is looking for a technically adept contractor to join their company with the option of turning permanent with one of Europe's largest Hedge Fund / Asset Managers. We have a cutting edge OEMS (Order execution management system)...
Senior Software Engineer Key Technologies: C#, .NET, React, JavaScript, Typescript, AWS, Docker, NodeJS City of London, United Kingdom Perm Role: £80,000 - £100,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team This role provides the perfect opportunity to launch your career in a well-established, dynamic environment. Key responsibilities: Immediate contribution to design,...
Head of Sales (IC moving into Leadership) Payments Infrastructure / BaaS City, London £120,000 - £150,000 double OTE uncapped benefits A small but perfectly formed and highly profitable payments infrastructure / BaaS fintech are continuing to grow their market share and want an experienced sales professional to help drive revenues. The target market for the solution is broad, including financial institutions, gaming, gambling as well as digital / crypto transactions,...
C# Software Developer - Reporting City of London Perm Role: £80,000 - £120,000 Harrington Starr has partnered with an innovative proprietary trading firm headquartered in the City of London. They are seeking to hire a Senior Software Engineer with extensive experience across the Microsoft technology stack for their analytics and reporting team. Key responsibilities: Individual contribution to backend development of key business products and applications (C#, .NET and SQL focus)....
Capital Markets Technology Sales (French/English) SaaS London (hybrid) £120,000 - £150,000 commission This is a well-established, global brand that provides a SaaS platform for the global capital markets, connecting clients to major international exchanges and liquidity venues, supporting a wide range of asset classes, including: listed derivatives, fixed income, and cryptocurrencies. The current client base includes tier 1 banks, brokers, hedge funds, asset managers, proprietary traders, and risk managers This...
Want to be a part of building high-performance foreign exchange trading systems? Contribute to all aspects of application development including functional and technical specifications, design, development and production support. Key Duties&Responsibilities . Systems development on a mature, modern codebase written in C++ Test, evaluate and recommend technologies to improve overall solutions Constantly improving the development life cycle and code quality Communicate and collaborate with the research and trading teams to...
Senior Sales Manager Fintech – Payments City, London £80,000 - £110,000 bonus benefits A small but perfectly formed and highly profitable payments infrastructure / BaaS fintech are continuing to grow their market share and want an experienced sales professional to help drive revenues. The target market for the solution is broad, including financial institutions, gaming, gambling as well as digital / crypto transactions, with some instantly recognisable brands already on...
Explore the forefront of financial technology with a leader in AI-driven quantitative backtesting software. You’ll join a team dedicated to pushing the boundaries of what’s possible in the trading world, using innovation to drive real results. Python AI/API Engineer – London What you will do Maintain and develop the AI offering, pioneering innovative approaches to achieve the company's vision. For example, integrating cutting-edge AI models or developing new analytical tools....
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