python developer qa tester jobs in London

OverviewDatasets Software Engineer (Contractor) to support data calibration and standardization workflows for a cutting-edge AI and Robotics end customer. You will play a critical role in building robust pipelines that unify and align data from a variety of sensors, contributing directly to the performance and reproducibility of robotics perception...

POS Test Engineer Department: Quality & Operations Employment Type: Permanent - Full Time Location: Head Office, Chelsea House Reporting To: Sharmila Kunwar Description Quality Assurance holds a vital place in River Island Engineering Strategy and is an integral part of the development team. It is indeed an exciting time for RI Tech as we are transitioning...

Role will be part of our Quality Engineering & Assurance (QE&A) Practice. With more than 650 clients across industry verticals and a global footprint, Cognizant QE&A practice is a recognized thought leader in quality engineer and Assurance. As enterprises simplify, modernize and secure their legacy environments for the digital era, robust quality Engineering...

Fospha is dedicated to building the world's most powerful measurement solution for online retail. For over a decade, we've helped teams make smarter decisions with full-funnel marketing insights, forecasting, and optimisation.With Fospha, every team moves faster and grows smarter.About the roleWe're looking for a Data Scientist to join Fospha's Data Science...

Overview We are seeking an experienced Fidessa Developer to join a global Equities Cash Technology team supporting institutional and retail trading businesses. This is a hands- on development role focused on the customisation, enhancement, implementation and support of a highly tailored Fidessa environment. The successful candidate will have deep expertise...

We’re pioneering a new role focused exclusively on quality assurance for GenAI/Agentic systems. As our Senior SDET for AI, you’ll develop testing strategies, evaluation frameworks, and quality metrics specifically designed for LLM-powered applications. This role requires a unique blend of QA expertise, understanding of GenAI behaviour, and automation...

The Trading team develops and operates quantitative trading strategies across prediction markets, equity markets, and crypto markets, including spot and derivatives.We are looking for an experienced Systematic Trader to develop, operate, and continuously improve systematic strategies in fast-moving electronic markets.Responsibilities: Operate and manage...

The Trading team develops and operates quantitative trading strategies across prediction markets, equity markets, and crypto markets.We are looking for a Trading Operations & Support Analyst to support live systematic trading, ensure smooth day-to-day operations, and help improve the reliability and efficiency of our trading systems and...

Are you passionate about building modern, scalable software solutions that make a meaningful impact? Do you enjoy collaborating across global teams, solving complex technical challenges, and using emerging technologies to drive innovation? About the Business LexisNexis® Risk Solutions provides customers with solutions and decision tools that combine public...

OverviewJoin to apply for the Site Reliability Engineer role at Natobotics.Location: London. Work Mode: Hybrid. Contract Role.Experience Level: 15+ Years.A Site Reliability Engineer is responsible for transforming the SDLC environment with engineering-focused role that emphasizes system reliability, automation, and performance in a non-production...

## Senior EngineerApply: UK-London: Full time: Posted Today: R004453Senior Engineer**Shift Pattern:**Standard 40 Hour Week (United Kingdom)**Scheduled Weekly Hours:**40**Corporate Grade:**D - Assistant Vice President**Reporting Line:**(UK Division) Information Technology**Location:**UK-London**Worker Type:**Permanent**Responsibilities:*** Liaise with...

DNS Info Ltd is hiring a seasoned Full Stack Developer to design, develop, and maintain web applications using Python and React in a London-based onsite role. You will build scalable RESTful APIs and microservices, create responsive UIs, and collaborate across Product Owners, Architects, DevOps, and QA teams.The position emphasizes cloud platforms...

We are hiring a Technical Business Analyst who will serve as the key driver of the full project lifecycle. The role involves gathering and structuring business requirements, identifying gaps, evaluating project objectives, and ensuring successful end‑to‑end project delivery. The selected individual will take ownership of business objectives and play a...

Business Unit LIGHTSPEED STUDIOS is made up of passionate players who advance the art & science of game development through great stories, great gameplay, and advanced technology. We are focused on bringing next generation experiences to gamers who want to enjoy them anywhere, anytime, across multiple genres and devices.About the Hiring TeamLightspeed Tech...

About HyperlayerHyperlayer is the intelligent banking platform built for the agentic economy: the financial control layer that sits above banks' existing cores, enabling next-generation Smart Accounts, without ripping anything out. From a single integration, we give financial institutions a secure rules and orchestration engine that lets them design, launch...

We are looking for a senior hands-on software engineer within Risk technology, playing a key role in designing, building, and delivering robust, enterprise-grade platforms. This position combines deep technical contribution with engineering leadership, ensuring solutions are secure, scalable, and production-ready. Key Responsibilities Contribute directly to...

Job Description What if you could do the kind of work the world needs? At WSP, you can access our global scale, contribute to landmark projects and connect with the brightest minds in your field to do the best work of your life. You can embrace your curiosity in a culture that celebrates new ideas and diverse perspectives. You can experience a world of...

Solutions Engineers (SEs) at TransPerfect are passionate about product development, client requests for enhancements and the resolution of production issues. We expect our SEs to be AI-literate and to actively use AI tools in their day-to day workflow to work faster, smarter, and with higher quality. DESCRIPTION Work with Client Service Representative and...

Senior AI Engineer (NLP / LLM): Legal Tech SaaSLocation: UK, hybrid/remoteReports to: CTO (Permanent role - No Visa Sponsorship)The companyAn early-stage legal tech SaaS business building workflow automation for a specialist area of transactional law. Its platform streamlines the drafting and management of complex legal documentation for law firms and...

Fospha is the measurement system enterprise retail and ecommerce brands run their business on. We give marketing teams one clear, daily view of what's actually working — across every channel and everywhere they sell, from their website to Amazon and TikTok Shop — down to the level of a single ad or piece of creative. It replaces guesswork and gut feel...