python developer qa tester jobs in London

ABOUT US: LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable...

**ABOUT US:** LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we...

Join us at Barclays as a Quant Developer in Analytics Platform team within the wider Core Strats and Quantitative Analytics (QA) group. The Analytics Platform team oversees the development standards for QA, and drives the efficiency and simplification of the technological landscape. This includes providing the interface and orchestration layer to in-house...

Company DescriptionGenomics England is a global leader in enabling genomic medicine and research, focused on creating a world where everyone benefits from genomic healthcare. Building on the 100,000 Genomes Project, we support the NHS’s world-first national whole genome sequencing service and run the growing National Genomic Research Library, alongside...

London, United Kingdom | Posted on 22/10/2026Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful and innovative technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens.We are passionate about user-centred design, agile delivery,...

London Stock Exchange Group in London is seeking a Senior Analyst in Quantitative Research & Development to develop Python and SQL based research tools and analytics for index methodologies.You will work across datasets such as Worldscope, IBES, Lipper, Datastream and Refinitiv Workspace, applying automated QA, AI-enabled workflows and robust data validation...

Our client is seeking a Senior Software Developer – ETL PySpark (7+ years) to develop and maintain data platforms and pipelines using Python, PySpark, AWS EMR, and Oracle PL/SQLJoin a large-scale data platform initiative focused on delivering scalable public and private reporting products using modern technology stacks and Agile processes. This role...

**ABOUT US:** LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we...

Developer Relations Engineer, Android and Play, GamesShare Developer Relations Engineer, Android and Play, Gamescorporate_fare Google place London, UKX In most instances, this position requires in-person interviews as part of the hiring processBachelor's degree in Computer Science, Game Development, a related technical field, or equivalent practical...

Our client is seeking a Senior Maximo Systems Developer-Integrator (10+ years) to lead the implementation of MAS-Manage using IBM Maximo Application Suite, Red Hat OpenShift, and Oracle integrationsJoin a large-scale enterprise asset management modernization initiative supporting water distribution, wastewater collection, storm water management, structures,...

Software Tester (QA)London (Hybrid, 2 days per week in-office)£40,000 - £50,000 + Holiday + Hybrid Working + Career Development OpportunitiesAre you a detail-oriented Software Tester or QA professional looking to play a key role in delivering high-quality software products while working with cutting-edge technology across sports data, AI, machine learning...

Location: hybrid/remote Reports to: CTO (permanent role) - No Visa Sponsorship The company An early-stage legal tech SaaS business. Its platform automates document-heavy legal workflows for law firms and institutional clients. It has product-market fit, a growing customer base and a lean engineering team. The role You will lead the development of AI...

Build the software that validates Graphcore’s machine learning stack, from frameworks to AI accelerator hardware. You’ll design production-quality test infrastructure that engineers can extend, maintain and rely on as Graphcore’s ML software grows. Your work will help teams deliver reliable products, with clear evidence of numerical accuracy and...

Build the software that validates Graphcore’s machine learning stack, from frameworks to AI accelerator hardware. You’ll design production-quality test infrastructure that engineers can extend, maintain and rely on as Graphcore’s ML software grows. Your work will help teams deliver reliable products, with clear evidence of numerical accuracy and...

**Automation Tester - Java, Selenium, API - Banking** An exciting opportunity opens for an **Automation Tester** to join a leading international Bank to help shape their future of digital banking through modernisation and technology-led transformation. You’ll have the opportunity to drive a shift-left testing culture, build and optimise automation...

Software Engineer – Quality Assurance My client is a high-frequency proprietary trading firm seeks a Software Engineer to join the Engineering Productivity team. The Engineering Productivity team helps reduce the time from concept to deliverable by providing our development teams with the tools, practices and support to increase their productivity while...

**ABOUT US:** LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we...

Java Full Stack Developer – Broker Dealer Contract Anticipated Hours per Week: 40 Work Setup: Hybrid Compensation: up to GBP 237 - daily Who is HelloKindred? HelloKindred are specialists in staffing marketing, creative and technology roles, offering a range of talent solutions that can be delivered on-site, remotely or hybrid. Our vision is to make work...

Rise Technical Recruitment Ltd is seeking a meticulous Software Tester (QA) in London with a hybrid schedule (2 days in-office). The role focuses on designing and executing manual and automated tests for web and mobile platforms within the sports data/AI tech space, ensuring quality before releases.The ideal candidate will have QA experience, strong QA...

Job title: Lead DevSecOps Engineering Lead (MOD / MODCloud) Rate: £645 per day inside ir35 Location: Remote Contract 6 months+ Active SC security clearance is required for this role We're looking for a Lead DevSecOps Engineer to take a key role on a major UK MOD digital transformation programme, working with a leading technology partner delivering...