Python Software Developer jobs in London

A leading company in the construction sector is seeking a Graduate Software Developer to support the design and development of internal applications. You will work on modern web-based tools across operations, collaborating closely with engineers while gaining exposure to cutting-edge technologies. C

Citigroup Inc.

Citigroup Inc. is seeking a Counterparty Credit Risk Senior Application Developer in Greater London. This senior role involves integrating pricing models and enhancing workflows within the Analytical Calculation Engine application. Responsibilities include maintaining applications, optimizing perfor

Xact Placements Limited

£60,000 - £70,000 /year

Job Description Python Developer – Cyber £60,000 – £70,000 | Fully Remote (UK based) We’re working with a cutting-edge cybersecurity company looking to hire a Python Developer to join their team. This is a highly technical role focused on building tools and systems that detect and analyse

Graduate Software Developer (Visa Sponsorship Available) | Graduate IT Jobs UK 2026 – High Paying Opportunity Apply Now Graduate Software Developer (Visa Sponsorship Available). Explore graduate IT jobs UK 2026 with £50K salary, SaaS roles, and visa sponsorship opportunities. Apply today.About the p

A technology company in the United Kingdom is offering an entry-level position as an Apprentice Developer. This role is perfect for individuals looking to start a career in technology. Candidates will receive structured training in programming, application, and web development while working alongsid

Embark on a transformative journey as a Software Engineer/Python Developer. At Barclays, our vision is clear – To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues. Require

About PassionfruitPassionfruit is on a mission to reshape how marketing teams work - empowering them to move faster, work smarter, and grow revenue with cutting‐edge AI tools. We're a hybrid, global team building products that help marketers unlock insights, reduce busy work, and enable strategic, r

SGI

Principal Software Engineer | Python | Global Investment Firm | London, Hybrid We're working with a leading global investment firm operating across public and private markets, supporting a broad institutional and wealth client base. The business combines deep financial markets expertise with a stron

Optamor is seeking a Software Engineer with strong C++, Java, and Python programming skills to join Lockheed Martin in Ampthill, Bedfordshire. This position offers hybrid working, a flexible 4-day work week, and opportunities for development on impactful projects. Candidates should demonstrate prove

Consortium for Clinical Research and Innovation Singapore

Job SummaryThe C++ Developer will maintain and innovate trading and research systems in global markets, handling requirements gathering, development, testing, performance monitoring, and release management to enhance trading capabilities. Responsibilities Optimize performance of trading system compo

Crisil

Python Full Stack Developer Requirements Develop highly scalable applications in Core Python. Hands-on with Python web frameworks such as Django, Flask, or FastAPI. Experience working on SQL with ability to run various data analytics tasks and queries. Exposure to Java script technologies (preferabl

Marex Group

Software Developer - Equity Market Making Trading PlatformLondon, GB Full-Time Information Technology About MarexMarex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commod

Cisco Systems

Cisco Systems is looking for a Senior Software Engineer to join the Isovalent team. The ideal candidate will have over six years of experience in architecture, operations, and CI/CD implementation. You will architect AI-assisted tools, collaborate on coding, and streamline operations. This role is a

DXC Technology

Overview Java Platform DeveloperLocation: On site in Gloucester or Central London 5 days a week.Due to security vetting requirements candidates must be UK nationals or sole British citizens with no dual nationality and resided in the UK 10 years or over.DXC Technology is committed to building divers

Senior Software Developer with solid technology skills, but who is also passionate about improving outcomes and the user experience. You'll be reliable in your own deliverables but also curious about and offer innovative ideas to others in a mutli-disciplinary team.Our work culture is inclusive, mod

Dyad

OverviewDyad is hiring a senior software developer to work in an up-and-coming healthtech startup with a strong emphasis on quality and collaboration. We are easy on Elixir-specific experience and care more for familiarity with language-agnostic technical practices that allow fast iteration while pr

IBM

At IBM Consulting UK FutureNow, you'll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors. You'll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver solutions that c

Marex

A financial services company in Greater London is seeking a Software Developer to join its Risk Engines team. The role entails enhancing key Risk Engines and integrating applications while utilizing full-stack Python development and cloud technologies such as AWS. Candidates should possess strong sk

Forwardrole

Cloud Developer / Engineer National Security BusinessBe part of a growing and highly trusted supplier into the NS domain working to deliver mission critical solutions helping to keep the nation safe, secure and prosperous.Working on leading edge technology solutions including AI/DS, Cyber, Cloud, De

Randox Laboratories

Randox Laboratories continues to develop disruptive innovations in Diagnostics and Healthcare globally. We are proud to have been named the Number 1 company in Northern Ireland for the second consecutive year. We have an exciting new career opportunity for an IT Software Developer within our Softwar