python developer qa tester jobs in London

Role overview The Senior Data Scientist will lead the development of advanced analytical and machine learning solutions, guiding others in data science methods and ensuring outputs are robust, ethical and useful. The role combines technical delivery, stakeholder collaboration and product-minded thinking. You will work with multidisciplinary teams across...

Software Engineer in TestA fantastic opportunity for a Software Engineer in Test to join an established software company in Cambridge. Working closely with developers and product teams, you will build automated testing frameworks and tools that improve software quality and streamline releases. This role would suit someone who enjoys coding, solving complex...

Virgin Active is seeking a QA Tester for their Digital & Technology Transformation Team. This role involves testing digital products and services to ensure reliable, high-quality experiences for members.The successful candidate will work closely with Engineers and Product Managers, creating automated tests, identifying defects, and contributing to product...

Our client is a defence technology company. We're building the UK's next generation engineering powerhouse, providing critical technology that strengthens national security and resilience. We specialise in turning advances in sensing, AI, and communications into operational capability for the edge, where connectivity may be degraded or denied. Our work...

Liaise with business analysts, review and comprehend complex business requirements. Create application design to meet these requirements. Work with product owners and architects to review and suggest solution design. Compose high quality documentation and specifications. Work alongside project stockholders to help ensure successful project delivery by...

At DraftKings, AI is becoming an integral part of both our present and future, powering how work gets done today, guiding smarter decisions, and sparking bold ideas. It’s transforming how we enhance customer experiences, streamline operations, and unlock new possibilities. Our teams are energized by innovation and readily embrace emerging technology....

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...

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...

Who are we?Tripledot Studios is one of the largest independent mobile games companies in the world.We are a multi-award-winning organisation, with a global 2,500+ strong team across 12 studios.Our expanded portfolio includes some of the biggest titles in mobile gaming, collectively reaching top chart positions around the world and engaging over 25 million...

Note: This position does not offer any visa sponsorship. We are only looking for applicants who are either local to London, UK, or ready to relocate to the employer's location. Job Summary Our client is looking to hire 4 talented DevOps Engineers to join their dynamic team. The ideal candidate will be responsible for developing and maintaining the...

Salary: £45,000 - 75,000 per year Requirements Proficient in designing and executing test cases across various test phases Strong understanding of transaction flows, compliance logic, and reporting standards Experience with test automation tools and automation frameworks, performance and load testing tools, and defect reporting and management tools Skilled...

About The Role We are looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions. You will collaborate closely with cross-functional teams, including product management and UX/UI, to ensure that our software solutions meet business and customer needs.Ensure all your application...

About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions.A variety of soft skills and experience may be required for the following role Please ensure you check the overview below carefully.You will work on complex software projects,...

Summary Posted: 22 Jul 2026 Weekly Hours: 35 Role Number: 200673335-2114 Apple Services sits at the heart of Apple's most beloved experiences, a place where the culture of curiosity, creativity, and relentless attention to detail that defines Apple is channelled into shipping features that reach hundreds of millions of people every day. We're looking for a...

Location: DMGT HQ - High Street Kensington, LondonPosition: PermanentMail Technology is the IT service provider for the dmg media group of companies owned by DMGT (Daily Mail & General Trust). These include many well-known and widely loved brands such as Daily Mail, Mail Online, The Mail on Sunday, Metro, and The i Paper. Through our national newspapers,...

Reply specialises in designing and implementing solutions based on new communication channels and digital media. Structured as a network of highly specialised companies, Reply supports leading European industrial groups in sectors such as Telco & Media, Industry and Services, Banking and Insurance, and Public Administration, helping define and develop...

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...

Senior Consultant If you have experience in penetration testing and are seeking to enhance your skills to become a subject matter expert, consider exploring what we have to offer! This is a hybrid role with the flexibility to work both virtually and from our London office. Aon is in the business of better decisions At Aon, we shape decisions for the better...

Sr. Engineer - Testing & Quality Assurance P Ready to turn bold ideas into real-world impact?At Genpact, we don’t just adapt to change, we lead it. AI and digital innovation are transforming the way businesses work, and we’re at the forefront of it. Genpact’s AI Gigafactory , our industry-first accelerator, exemplifies how we scale advanced technology...

Reply specialises in designing and implementing solutions based on new communication channels and digital media. Structured as a network of highly specialised companies, Reply supports leading European industrial groups in sectors such as Telco & Media, Industry and Services, Banking and Insurance, and Public Administration, helping define and develop...