senior python developer jobs in London

Salary: Market Rates - PAYE Senior Java Developer – JP Morgan – London – 10-month Contract – Onsite Description We are seeking a hands on Senior Java Developer to join J.P. Morgan in London on an initial 10 month contract. This is a hands on role where you will design, build, and maintain Java-based backend systems, working with microservices, cloud...

London (Hybrid – 1 day per month in the office) Basic salary £80k to £95k + strong package An exciting opportunity for a Senior Backend Developer to join a fast-growing, well-funded technology business that’s scaling rapidly and investing heavily in its engineering teams. This is a role for someone who enjoys building reliable, well-designed backend...

Waracle are looking for a Senior Developer for an exciting new role joining our world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation.We work with ambitious clients to help them solve their biggest business and customer challenges. We help our clients to...

SmartRecruiters, Inc. in the United Kingdom is seeking a Senior Python/Django Developer to join our engineering team. You will own key parts of the platform and help shape the architecture in a fast-growing, early-stage startup.You will design and build our marketplace features, ship high-impact improvements, and work with modern tools to deliver reliable...

Deloitte - Recruitment is seeking experienced AI Developers (Python) with hands-on experience across levels from junior to senior for Defence & Security projects. The role is hybrid with occasional visits to offices in London, Midlands, Bristol or Northwest; remote work the rest of the time.Start expected Spring 2027, initial 6-month contract inside IR35....

Location: London, UKEmployment Type: Permanent / Contract (depending on engagement)Company: TalanHybrid Working: 3 Days Per Week onsiteAbout the RoleTalan is seeking an experienced Senior KDB+ Developer to join a high-performing front-office technology team supporting Fixed Income electronic and algorithmic trading activities in London.You will work closely...

Senior Snowflake Developer Inside IR35 - 4 days onsite We are currently recruiting for an experiencedSnowflake Developer to join our banking client on a major data platform modernisation programme. The successful candidate will play a key role in migrating legacy Microsoft SQL Server workloads to Snowflake, developing and optimising cloud-based data...

Job Description: Senior ASP.NET Developer We are looking for Full Stack Software Developer to work in our development team. The role involves participation in the full Lifecycle of software development (SDLC) from conception to deployment. This is an excellent opportunity for an individual who is passionate about software development and enjoys working in a...

At Trustpilot, we're on an incredible journey. We're a profitable, high-growth FTSE-250 company with a big vision: to become the universal symbol of trust. We run the world's largest open customer review platform, and while we've come a long way, there's still so much exciting work to do. Come join us at the heart of trust! We are seeking a Senior Salesforce...

We are looking for a Senior Python/Django Developerto work with us to build our platform.You’ll have the opportunity to work in an exciting, early-stage startup in a senior role within our growing Engineering team and be supported in taking ownership of key parts of the product.RESPONSIBILITIESPlaying a crucial role in designing and building out our...

Sitecore .NET Developer | London | Hybrid | £500/day Outside IR35I’m currently looking for an experienced Sitecore .NET Developer to join a London-based digital team on an initial 3-month contractLondon, 2 days onsite per weekUp to £500/day, Outside IR35Start: within a 2-week notice periodWhat youll be doingYou’ll be joining a hands-on engineering team...

TAKE YOUR CAREER IN A NEW DIRECTION At Eurostar, we’re fuelling the future of rail travel – operating in five countries and sparking new opportunities for travellers. But our trains connect much more than just people and places. They’re helping us build a greener, more inclusive future for everyone. Join us and you’ll be part of a passionate team...

Job Description Join our team at the Guardian and be a part of a diverse and inclusive global organisation that delivers fearless, investigative journalism and holds power to account. Our team of award-winning journalists, cutting-edge commercial professionals and industry-leading digital experts are committed to making a difference and represent a wide...

AI is changing how websites & software is built - join a team leveraging its capabilities. Full Stack Developer - AI-first approach - This is an ON-SITE role in Southampton, Hampshire This is your opportunity to join a growing digital technology specialist as a Senior Developer using AI daily to improve speed, quality and customer outcomes. This role is...

A growing engineering team is looking for a Senior Python Backend Developer to join as the platform continues to scale following a number of new client wins.They’re looking for a strong software engineer first, someone who enjoys building backend applications and APIs, but is equally comfortable working with data-heavy systems, pipelines and calculation...

Location London Practice BFSI Shape the front end of a flagship asset-management platform Are you a senior front-end engineer who enjoys taking genuine ownership - not just delivering tickets, but shaping how a major customer-facing platform is built, performs and evolves? You'll join our BFSI practice working on a flagship digital platform for a leading...

JPMorganChase is seeking a Software Engineer III in London to join its Market Risk Technology team. You will be an experienced member of an agile squad, delivering secure, scalable software solutions across multiple tech areas to support critical business objectives.The role emphasizes AI-assisted development, robust testing, and architecture...

Lead Full Stack Developer (Python & Angular)Emergn is a technology and management consultancy with a mission to set our clients free. No dependency. No short-term fix. Just teaching them the real cure to their problems, so they can stay ahead of their competitors now and forever.A different kind of consultancy like this needs a different kind of team. One...

Are you passionate about building secure, scalable software and cloud infrastructure that supports critical services in production? Do you enjoy collaborating across teams, improving engineering practices, and helping others grow while delivering high-quality solutions?About our TeamWorking within Information Security & Data Protection division, the content...

Our client is a vibrant Guildford based company, building exciting and intelligent online software. The technology stack is Microsoft SQL Server and ASP.NET.The customer base is wide ranging and includes a number of Public Sector entities, Blue Chip financial product providers and insurance companies, as well as financial intermediaries and consultancies.The...