develop Jobs in Belsize Park

We're Hiring: Senior Python & LLM Developer (10+ Years Experience)Are you passionate about building intelligent systems powered by Large Language Models (LLMs), Agentic AI, RAG Architectures, and Conversational AI?We are looking for a highly skilled Senior Python & LLM Developer to join our AI engineering team and help shape the next generation of ...

Title: Python DeveloperClient: Elite Multi-Strat FundLocation: London (hybrid)£££: Up to £160,000 Starting Base + Bonus + BenefitsThe Opportunity:We're looking to add a high-impact engineer to a small, specialised team responsible for the real-time risk and trading data platform that powers systematic strategies across the firm.You’ll operate at th...

iOS DeveloperHybrid Working - LondonMobile BankingLorien's leading banking client is looking for a number of experienced iOS Developers with strong experience of working in Mobile Development in Swift UI, alongside testing teams.This role is based in London.This role will be Inside IR35 Via UmbrellaWorking in a Hybrid Model of 2 days a week on site...

Join a leading quantitative trading firm where technology is at the heart of every trading decision. My client is looking for a highly skilled C++ Engineer to work directly with Quant Traders and Quant Researchers, building and optimising the systems that power a global market-making business.What you'll do:Develop and enhance ultra-low-latency tra...

Join a leading quantitative trading firm where technology is at the heart of every trading decision. My client is looking for a highly skilled C++ Engineer to work directly with Quant Traders and Quant Researchers, building and optimising the systems that power a global market-making business.What you'll do:Develop and enhance ultra-low-latency tra...

SQL Developer – Insurance | 6-Month Contract | Up to £625/dayAlso permanent role available £50,000 - £60,000 We’re looking for an experienced SQL Developer to join an established team working on an existing Data Warehouse within the insurance sector.This is a hands-on contract role focused on accelerating the delivery of management information and ...

SQL Developer – Insurance | 6-Month Contract | Up to £625/dayAlso permanent role available £50,000 - £60,000 We’re looking for an experienced SQL Developer to join an established team working on an existing Data Warehouse within the insurance sector.This is a hands-on contract role focused on accelerating the delivery of management information and ...

We are seeking a highly experienced Low Latency Java Developer to join our dynamic team. The ideal candidate will have a proven track record of developing low latency trading systems within the Capital Markets domain. This role requires extensive experience in building scalable, high-performance trading infrastructure, with an emphasis on minimizin...

Our client is a leading multi-strategy hedge fund with a strong focus on systematic trading and technology-driven investment strategies.OverviewThis role focuses on designing and building scalable systems that support the full lifecycle of systematic trading strategies, including data processing, model deployment, portfolio optimisation, and execut...

We are partnering with one of London’s most selective and highest-performing quantitative investment funds to appoint a Senior Quant Software Developer to their core systematic trading group. This is a confidential mandate for a team renowned for world-class engineering standards, scientific rigour, and a culture built around high impact and low eg...