python developer qa tester jobs in London

LMAX is renowned for its high-performance, ultra-low latency (we measure in microseconds) exchange written in core Java. We constantly push technology further than most, especially in our greenfield projects, driving the financial industry in new directions. Developers are encouraged to constantly develop and learn new skills. Pair programming supports...

Location: London - Hybrid, 2 days/week on-site Contract: Initial 6 months (view to extend) Overview A global data-driven technology company is looking for a Python Engineer to join their technology team on an initial 6-month contract. This is a hands-on role building and maintaining customer-facing and backend platforms, working across the full stack with a...

Valarian Technologies is a dual-use technology company building critical tools to safeguard the future in an era of evolving global security challenges. We're rethinking security beyond traditional military domains, addressing asymmetric threats that impact our technological advantage, economic strength, and democratic institutions. We build Acra – the...

About Arc: Arc is a leading IT Managed Services Provider (MSP) based in the UK, delivering innovative and reliable IT solutions to businesses across various industries. With a strong reputation for excellence, we offer a range of services, including IT support, hybrid cloud solutions, cybersecurity, infrastructure management, PowerApps and AI. Our team is...

Join us at Barclays as an AVP in our Market Platform Solutions (MPS) team supporting the Equity Derivatives business. Barclays is investing in the next generation of its Quantitative Investment Strategies (QIS) platform, with a focus on digital client engagement, strategic client reporting and a scalable index infrastructure. We are looking for a hands-on...

Virgin Active is recruiting a QA Tester to join the Digital & Technology Transformation Team. This permanent, full-time role involves testing mobile, web and backend platforms, building automated tests, and ensuring quality across API and UI workflows.You’ll collaborate withProduct Managers, Engineers and Designers to guarantee reliable experiences for...

**Studio Overview** We are Sports Interactive 🎮 The studio behind: ⚽ Football Manager. Founded in 1994, Sports Interactive became a wholly owned subsidiary of SEGA Europe in 2006. Based at the Here East technology hub in Stratford, East London, the SI team continues to expand as we bring our titles to an ever-growing audience across an...

Bristol or London | Hybrid, 2 to 3 days in the office |Most AI coding tools stop at generating snippets and leave you with a tangle of code nobody wants to maintain.This company has taken on a harder problem. Their platform works more like an architect than an autocomplete. It orchestrates proven, enterprise-grade components across the frontend, backend and...

Project description We are looking for a senior Python developer to join our client's team and lead the build of a new data and application platform. The team focuses on clean code, agile methodologies, and high-quality delivery. The client is from the investment banking industry. Responsibilities Design, develop, and maintain scalable back-end services and...

About the company: Hive Science is a tech start-up whose technologies are in use by many of the world’s largest brands including Land Rover, Edward Jones & numerous other fortune 500 brands. The Hive platform is delivering novel intelligence at the intersection of quantitative social psychology, behavioral science & AI/ML to accelerate & transform how work...

You will: Advanced Analytics: Develop innovative measurement and analytical approaches that build an understanding of performance and customers, embedding these learnings into day-to-day decision-making across the organisation. Quantitative Analysis: Answer complex business questions through detailed quantitative analysis and experimentation, extracting...

Intec Select Limited is seeking a Python Engineer to join the tech team on an initial 6-month contract, with hybrid working in London (2 days on-site per week). You will develop backend services, RESTful APIs, and microservices using Python, collaborating across product, architecture and QA teams.The role requires strong Python/Django REST Framework...

**Venture outside the ordinary - TMX Careers** The TMX group of companies includes leading global exchanges such as the Toronto Stock Exchange, Montreal Exchange, and numerous innovative organizations enhancing capital markets. United as a global team, we’re connecting cross-functionally, traversing industries and geographies, moving opportunity into...

About Scrumconnect Consulting Scrumconnect Consulting is a UK-based, award-winning digital consultancy delivering high-quality digital products and services for major public sector clients, including DWP, MoJ, NHS and HMRC. With a team of over 300 consultants, we specialise in building secure, user-centred and scalable digital solutions that serve millions...

Backend Software Engineer (Python/Django) x4 | Contract | £450 to £475 per day Outside IR35 | Bath, Hybrid or Remote Bright Purple is partnering with a well-established B2B software business to bring in a contract Backend Software Engineers. You will join the team redesigning their client portal. This is a hands-on role for an experienced mid-level or...

**Ready to make magic? We’re hiring for our 12-month undergraduate placement schemes.** By undertaking an internship in one of our Technology and IT teams, you will be fully integrated into the day-to-day activities, monitoring the performance of our technology stack and providing solutions to any issues or queries. These internships will strengthen your...

**About InvestEngine -** We’re a ~200-person, AI-first fintech. We move fast, we expect people to own things end to end, and we don’t have a lot of specialist support infrastructure to hide behind — if you spot a gap, you’re expected to close it, not escalate it and wait. **About the role** **-** We’re hiring our *first dedicated Analytics...

Are you looking for a new challenge? Fancy helping us shape the future of motor insurance? Prima could be the place for you.  Since 2015, we’ve been using our love of data and tech to rethink motor insurance and bring drivers a great experience at a great price. Our story began in Italy, where we’ve quickly become the number one online motor insurance...

SEO Manager (Technical) - Ralph Lauren As our new SEO Manager, you'll come from an SEO background but have solid strategy and reporting skills. You’ll predominantly be working on the Ralph Lauren account. Working both with your Account Director and the wider SEO team, as well as collaborating with the wider business, you'll be responsible for delivering a...

About Scale Factory We are an AI enablement consultancy. Delivering quality-led AI-first foundations, embedding capability and excellence into the foundational fabric of the companies we work with. We give leaders the confidence to move faster, take smarter risks and pursue transformation. Formerly Ten10, we have deep roots in Quality which means we don’t...