857,058+ Lead Python Developer Cloud Fastapi Data Platforms Jobs in UK — Top Companies Hiring June 2026

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Staff Platform Engineer – Platform Engineering (UK & Ireland)

Overview Fanatics Betting & Gaming (FBG) is seeking a Staff Platform Engineer to join our Platform Engineering team based in the UK or Ireland. This position plays a critical role within the EMEA Platform Engineering organization, partnering closely with teams across the UK, Ireland, and U ...

Python Software Engineer

Job title: Software Engineer Client: Not specified Salary: £120,000 per annum + Benefits Location: London (Hybrid / Flexible Working) The Role We’re supporting a rapidly growin ...

Senior Software Engineer 35501

We are seeking a Python Developer with strong expertise in FastAPI to join an exciting Reinforcement Learning (RL) Gym project . You will design, build, and optimize scalable APIs, collaborate with researchers and engineers, and deliver high-quality backend services to support reinfo ...

Python Software Developer Labman.One

Position: Python Software Developer – Labman.One Location: Labman HQ, Stokesley, North Yorkshire Salary: £40,000 - £55,000 (depending on experience) Employment Type: Full-time, Permanent This role is fully office based in Stokesley, North Yorkshire. We do not offer hybrid or r ...

Python Developer Fully Remote

Overview Python Developer — Fully Remote (UK based) / flexible working hours Salary: Circa 60K – 75K + Benefits This is a diverse, autonomous role where you’ll be responsible for taking ownership of a variety of scalable backend web applications. Responsibilities <li ...

Senior Software Developer (Python)

FTC or Permanent UK-wide, Remote About the role Olive Jar Digital is seeking a Senior Software Developer to help build, refine, and enhance high-fidelity AI prototypes and supporting services across several Discovery and Alpha initiatives.You will work closely with machine learning engineers, data ...

Senior Software Developer (Python)

FTC or Permanent UK-wide, Remote About the role Olive Jar Digital is seeking a Senior Software Developer to help build, refine, and enhance high-fidelity AI prototypes and supporting services across several Discovery and Alpha initiatives.You will work closely with machine learning engineers, data ...

Staff Platform Engineer – Platform Engineering (UK & Ireland)

Overview Fanatics Betting & Gaming (FBG) is seeking a Staff Platform Engineer – Platform Engineering (UK & Ireland) to join our Platform Engineering team based in the UK or Ireland. This position plays a critical role within the EMEA Platform Engineering organization, partnering closely w ...

Python Developer Fixed Income

Fixed Income Python Developer – Vertus Partners We are currently recruiting for an experienced Python developer to join the Fixed Income front office trading team at a leading investment bank. The work will focus on the Pricing & Risk areas of Fixed Income and will involve building out a ...

Quantitative Developer (C#/Python)

We are looking for a talented senior full stack developer with experience in building risk systems and databases. In this role, you will be responsible for the development, maintenance, and support of critical risk systems that calculate P&L, Value-at-Risk, Scenarios and Risk exposures across our portfolio ...

Full Stack Developer — Bioinformatics Platforms

European Bioinformatics Institute (EMBL-EBI) is looking for an experienced Full Stack Software Developer to join its BioSamples team in the UK. The role involves developing scalable systems for biological metadata management, creating user-facing web applications, and collaborating with diverse teams on scientif ...

Senior Python/GenAI Developer

Role: Senior Python/GenAI Developer Location: Dublin (OR) Belfast (Hybrid - 3 Days In-Office) Role Type: Permanent / Full-Time (FTE) Our client is looking for a Senior GenAI Application Developer/ Engineer to join their global technology hub in Dublin. This is a high-impact, permanent role designed for a Python ...

Full Stack Python Developer

Full Stack Python Engineer (Python, React, TypeScript & AWS)Contract: Until March 2027Rate: £500 per day (Inside IR35)Location: Hybrid with 1-2 days per month onsite in LeedsStart: ASAPWe're looking for a Senior Full Stack Python Engineer to join a major public sector ...

API Developer Golang/Python

API Developer (Golang/Python) – Financial Services * Inside IR35 * Sheffield (1–2 days/month onsite)A leading financial services organisation is seeking an experienced API Developer to join their team on a contract basis. This is a great opportunity to work on modern, scalable systems w ...

Senior Backend Python Developer

Leeds based – hybrid working – 3 days onsite Responsibilities Build and maintain backend services and APIs in line with existing architectural patterns and standards. Implement business logic, data access layers, and integrations with internal and external systems. ...

SC Cleared Python Developer

Citizen Event Analytics (CEA) is a cross‑benefit, cross‑channel event history compiled from citizens' interaction (telephony, face‑to‑face and digital), claim processing and support events. CEA uses a pipeline that extracts, transforms, and loads event data from different sources into the Uplifted ...

Angular developer with python

Role Overview Seeking a Specialist with 5 to 7 years of experience in Angular, Python and AWS to design and develop scalable, secure web applications and cloud‑native solutions leveraging AWS S3 and API Gateway. Skills And Experience Minimum three years as a Software Devel ...

QCA Senior Python Developer

About Us ClearRoute is an engineering consultancy bridging Quality Engineering, Cloud Platforms and Developer Experience. We help enterprises reliably bring high-impact digital products to market faster, cheaper, and safer, working with technology leaders facing complex business challenges. ...

Python Developer Hedge Fund

The Risk Engineering team at an award-winning hedge fund is looking for a new team member, following an internal promotion. They are designing and building a new real-time risk platform and tooling for both internal stakeholders and their external clients. This portfolio research and monitoring platform gi ...

Senior Backend Python Developer

Senior Backend Python Developer 6-Month contract - Inside IR35 - up to £450 per day Leeds based - hybrid working - 3 days onsite Responsibilities Build and maintain backend services and APIs in line with existing architectural patterns and standards. Impl ...

Python Developer (On Site)

Responsibilities Develop, audit, and maintain Python scripts for automation of deployment, configuration, monitoring and various tasks. Assist in documentation and help in understanding the functions of the currently deployed python scripts. Implement ...

Python Developer in Test

WHAT YOU DO AT AMD CHANGES EVERYTHING At AMD, our mission is to build great products that accelerate next-generation computing experiences—from AI and data centers, to PCs, gaming and embedded systems. Grounded in a culture of innovation and collaboration, we believe real progress comes from bold ...

Senior Software Developer (Python)

Join to apply for the Senior Software Developer (Python) role at Olive Jar Digital FTC or Permanent, UK-wide, Remote About the Role Olive Jar Digital is seeking a Senior Software Developer to help build, refine, and enhance high‑fidelity AI prototypes and supportin ...

Back End Developer Python

Senior Back end Python Developer – London (Hybrid) Python, AWS, React, Docker, Terraform Join a fast-growing startup redefining the future of education with ML-powered learning who are on a mission to make high-quality, personalised education accessible to everyone. Their flagship p ...

Python Front End Developer

Job Description We are looking for a Python Developer to join our engineering team and help us develop and maintain various software products. Python Developer responsibilities include writing and testing code, debugging programs and integrating applications with third‑party web services. T ...

Python Software Developer Backend

About us At Xelix, we work with some of the world’s largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate – moving from manual processes to automated, intelligent workflows. Xelix is a fast-paced scale‑up – thin ...

Senior Python Django Developer

Senior Python Django Developer - JP Morgan - Bournemouth We are seeking a Senior Python Django Developer to join JP Morgan in Bournemouth via the Robert Walters Consultancy on a permanent basis. You will be part of a team that manages database platforms, helping to develop new features and other ...

Python Software Developer Labman.One

Position: Python Software Developer – Labman.One Location: Labman HQ, Stokesley, North Yorkshire Salary: £40,000 - £55,000 (depending on experience) Employment Type: Full-time, Permanent This role is fully office based in Stokesley, North York ...

Python Developer – Insurance Analytics

We’re partnering with a highly regarded analytics and consulting business that sits at the intersection of insurance, data, and technology. They are looking for a Python Developer to join a growing engineering team working on a market-leading SaaS analytics platform used by major non-life in ...

Angular Developer with Python

Net2Source Inc. is one of the fastest growing diversities certified global workforce solutions companies with an unprecedented YoY growth of over 100% for last 6 years working with Fortune 1000/Global 2000 across 34 countries and 5 continents including North America, South America, Europe, Asia, Australia, ...

Mid Level Python Developer

Overview OB have partnered with a FinTech company, who are looking to bring on 2 x Mid-Level Python Developers to their highly skilled engineering team. You’ll have the opportunity to work closely with the CTO & Head of Engineering to have an impact from day one, and develop their systems. ...

Python Software Developer Labman.One

Position: Python Software Developer – Labman.One Location: Labman HQ, Stokesley, North Yorkshire Salary: £40,000 - £55,000 (depending on experience) Employment Type: Full-time, Permanent This role is fully office based in Stokesley, North York ...

Senior Python Developer (Networking)

Senior Python Developer (Networking) | Tech-Led Systematic Hedge Fund A leading, technology-driven systematic hedge fund is seeking a Senior Python or Go Developer to work within their Networking division. This is a highly technical role focused on building the automation, tooling, and guard ...

Python Developer Insurance Analytics

Overview Python Developer - Insurance Analytics – London with hybrid working as per departmental requirements (2 days per week in the office). In this role you will work on production-grade analytical and AI systems that shape real commercial decisions. You’ll work with some of the world’s ...

Python Developer Anaconda MedTech

This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Client Server Python Developer / Backend Software Engineer (Python Anaconda) Cambri ...

Python Developer Insurance analytics

Python Developer - Insurance analytics Location - London with hybrid working as per departmental requirements (currently a MINIMUM of 40% (2 days per week)). LCP is an award‑winning actuarial and analytics consultancy providing market‑leading capabilities and advice across pensions and fi ...

Back End Developer (Python)

Overview We're working with a fast-growing, profitable healthtech business that's using technology to deliver personalised healthcare products at scale. They're looking for a Backend Engineer to join their team, building the APIs, services and backend systems that power key customer journ ...

Python Developer Cyber Security

Python Developer / Backend Software Engineer Cambridge to £65k Are you a technologist Python Developer who enjoys problem solving and working on complex systems? You could be progressing your career at the world's most advanced cybersecurity technology business that uses AI technology to ...

Python Developer (Low Code)

Overview Low Code Software Engineer - Python | n8n | AI £65,000–75,000 base salary + comprehensive benefits Central London, 2 days a week I’m working with a leading European professional services firm that’s investing heavily in AI and automation, bringing more ...

Python Software Developer Algos

Founded in 1999 and premium listed on the Main Market of the London Stock Exchange, Playtech is a technology leader in the gambling industry with over 7,000 employees across 20 countries. Playtech is the gambling industry's leading technology company delivering business intelligence-driven gambling ...

Python Software Developer Algos

Job Description the company's GenBet unit is looking for a proactive, methodical Software Developer - Algos with excellent communication and problem solving skills to join our team. Your influential mission. You will... Develop our Sportsbook product and applications < ...

Senior API/Python developer

About the Job You Are Considering We are seeking a Senior Python Developer to join a collaborative Agile delivery team, contributing to the full software development lifecycle. You will be responsible for developing clean, efficient code, integrating internal and third‑party systems, supporting d ...

Full Stack Python Developer

Full Stack Python Engineer (Python, React, TypeScript & AWS) Contract: Until March 2027 Rate: 500 per day (Inside IR35) Location: Hybrid with 1-2 days per month onsite in Leeds Start: ASAP We're looking for a Senior Full Stack ...

Senior Python Fullstack Developer

Senior Full Stack Engineer / Developer (Python Django Flutter AWS) London to £120k Are you a full stack technologist who enjoys working on Greenfield apps?You could be progressing your career at a tech scale-up that are enjoying great success with their AI workforce optimisation software that connects f ...

Python Developer (Low Code)

Overview Low Code Software Engineer - Python | n8n | AI £65,000–75,000 base salary + comprehensive benefits Central London, 2 days a week I’m working with a leading European professional services firm that’s investing heavily in AI and automation, bringing more ...

Quantitative Developer (C#/Python)

We are looking for a talented senior full stack developer with experience in building risk systems and databases. In this role, you will be responsible for the development, maintenance, and support of critical risk systems that calculate P&L, Value-at-Risk, Scenarios and Risk exposures across our portfolio ...

Python Developer Insurance Analytics

Python Developer - Insurance Analytics Location - London with hybrid working as per departmental requirements (2 days per week in the office). In this role you willwork onproduction-grade analytical and AI systems that shape real commercial decisions. You’ll work with some o ...

Senior Fullstack Developer (Python)

Robert Half are currently working with an innovative client hiring a Senior Full Stack Developer to join a growing software business delivering automation solutions for public sector organisations, including councils, healthcare and emergency services.This is a hands-on role for a strong engineer ...

Senior Research Python Developer

I am currently working with a London-based financial-services client who are actively seeking a Senior Python Developer to work on the development of a business-critical research and analytics platform.What you'll need to succeed : Strong Python software engineering experience beyond exp ...

Python Full Stack Developer

Job Title: Python Full Stack Developer Location: London, UK (Hybrid) Job Type: Permanent Job Description: <strong style=color: i ...

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