9 quality assurance analyst jobs in London

Overview LMAX is looking for a Python developer to join our middle-office team. This team works closely with the infrastructure, research and treasury teams. In this position you can expect to take a significant role in the development of our trade reconciliation, back-testing framework and trading monitoring. You will be working with the team to design and implement our trading system with a predominant focus on data engineering. We are looking for developers who are confident in their ability to develop software, both with others and on their own. A finance or trading background is not required. What You Will Be Working On Our infrastructure team works in C++ and our research team works in Python for analysis and automation. This role sits within the middle-office team, working primarily in Python. You'll be collaborating with both teams- supporting research with data analysis and working alongside the infrastructure team when needed. You'll be building Python tools and...

Compensation: Competitive (Financial Services) About TradingHub Founded in 2010, TradingHub delivers uniquely intelligent trade surveillance software to world leading financial institutions. Developed by market professionals, our solutions use sophisticated modelling techniques to detect single and cross-product market manipulation. With a team of over 150 experts worldwide, TradingHub combines global reach with deep markets expertise to help our customers mitigate financial, regulatory, and reputational risk. The Role We are seeking a Quantitative Developer to contribute in designing, building and validating our pricing models. This includes creating financial pricing libraries for multiple asset classes, calculators and risk algorithms. The successful candidate will combine excellent mathematical skills with proven experience in financial markets and the ability to productionise high-quality software. The capacity to put yourself in the eyes of a trader will be very...

About Us At Fenergo, we're not just building software—we're transforming how the world's leading financial institutions fight financial crime. Headquartered in Dublin and trusted by over 100 of the world's top financial institutions, we're on a mission to change the game.  We're more than a global leader in AI-powered client lifecycle management—we're reimagining how financial institutions tackle compliance. From Know Your Customer (KYC) and Anti-Money Laundering (AML) to rapidly evolving regulations, we turn complexity into clarity. Our FinCrime Operating System, powered by agentic AI and intelligent automation, helps financial institutions move faster, act smarter, and stay safer across 120+ countries.  But we don't stop there.  At Fenergo, we believe in a world where financial institutions aren't just compliant—they're confident. Where technology doesn't just meet regulations—it stays ahead of them. Our mission is to empower financial institutions to stop financial crime...

About Us We’re Littlepay - a growing fintech headquartered in Melbourne with operations in the UK, EU, LATAM, USA, and Australia. Our payments platform enables our customers to pay for public transport using any payment card, mobile wallet, or wearable device. Processing over USD 1 billion a year in 19 countries and continuing to expand globally, we’re proud to move more people through better payment experiences. About The Role As a Senior Technical Support Analyst, you’ll help keep Littlepay’s global platform reliable and performing well. Working closely with Engineering, Product and Customer Delivery, you’ll investigate complex issues, support customers and partners, and contribute to the smooth delivery of product changes and improvements. You’ll report to the Technical Support Manager, who leads the support strategy, operational rhythms and cross‑functional ways of working. In this role, you’ll help execute that strategy...

LMAX Group is looking for a highly skilled and passionate Data Operations Engineer/Developer to join our team and help build and scale our data processing infrastructure. In this role, you'll develop high-performance data pipelines, real-time streaming systems, and robust data architectures that power LMAX's growth and Business Intelligence initiatives. You will work with the wider technology and business teams to continuously improve the quality of data that drives our decision making within the Forex and digital currency trading and custody solutions. This role is ideally suited to a senior-level engineer, but we are more than willing to help a driven mid-level engineer grow into the position. About You You are comfortable architecting, building and supporting end-to-end solutions that are practical and performant. Throughout your career, you have developed a broad set of knowledge and skills and are comfortable wearing different hats. You have acquired the know-how around...

About The Business Quilter plc is a leading wealth management business, helping to enable brighter financial futures for every generation. Quilter oversees £141.9 billion in customer investments (as of March 2026). It has an adviser and customer offering spanning financial advice, investment platforms, multi-asset investment solutions, and discretionary fund management. The business is comprised of two segments: Affluent and High Net Worth. Affluent encompasses the financial planning business, Quilter Financial Planning, the Quilter Investment Platform and Quilter Investors, the multi-asset investment solutions business. High Net Worth includes the discretionary fund management business, Quilter Cheviot, together with Quilter Cheviot Financial Planning – offering a highly personalised service to private clients, charities, trustees, and professional partners. Quilter Cheviot has presence throughout the UK, Ireland and Channel Islands. At Quilter we never stand still. Our...

We’re on a mission to back the UK’s small businesses like no one else ? Small businesses are the backbone of the economy, and we’re here to help them win. We’ve built a platform that uses clever data to get them the funding they need in minutes, not weeks. At Funding Circle, we have the restless energy of a fintech start-up with the stability of a public company. It’s a unique mix that gives Circlers the autonomy to take ownership and the scale to make an impact that truly counts. We’re a high-performing team that chooses to lift each other up. We challenge, we champion, and we have each other’s backs - because we know that when we stand together, we move faster and build better. The impact is real: Last year alone, the businesses on our platform generated £7.2bn for the UK economy ? Come and join a mission that matters! [Read our Impact Report] | [See our Trustpilot] The role ⚡ ? London (Hybrid) | ? 2 days in the office | ? Competitive Salary + Benefits Data is core...

Thought Machine's mission is bold – to properly and permanently rid the world's banks of legacy technology. To achieve this, we have developed the foundations of modern banking through core and payments technology which run natively in the cloud. What we are attempting is hard and means we need great people working together to build great technology. We have grown rapidly in the past few years – growing our team to more than 550 individuals across offices in London, New York, Singapore, Sydney and our newly established Engineering Hub in Lisbon. We have raised more than £500m in funding and our investors include Molten Ventures, Eurazeo, Intesa Sanpaolo, Temasek, Nyca Partners, JPMorgan Chase Strategic Investments, Standard Chartered Ventures, and more. We have created a culture that enables our team to produce the best work in the industry while ensuring we have fun along the way. We're regularly cited as having a fantastic workplace culture and have been recognised by Sifted...

Overview LMAX is looking for a Python developer to join our middle-office team. This team works closely with the infrastructure, research and treasury teams. In this position you can expect to take a significant role in the development of our trade reconciliation, back-testing framework and trading monitoring. You will be working with the team to design and implement our trading system with a predominant focus on data engineering. We are looking for developers who are confident in their ability to develop software, both with others and on their own. A finance or trading background is not required.   What you will be working on Our infrastructure team works in C++ and our research team works in Python for analysis and automation. This role sits within the middle-office team, working primarily in Python. You'll be collaborating with both teams- supporting research with data analysis and working alongside the infrastructure team when needed. You'll be building Python tools...