15 python developer jobs found

A contract opportunity Outside IR35 On-site/hybrid working in Cambridgeshire Must be UK Eyes only (British Born National) - Ideally hold SC or be clearable. Our client is seeking a Python Developer for a contract opportunity. The role will focus on developing software for integration with a defence cloud environment, supporting projects across data and artificial intelligence, automation and tooling, and DevOps and infrastructure. Familiarity with D2S (Defence Developer Services) would be a major advantage Key Responsibilities: Develop, test and maintain Python software for defence cloud integration Contribute to data and AI, automation and tooling, and DevOps and infrastructure projects Design and support modern DevOps tooling, automated workflows and software delivery pipelines Work with Red Hat OpenShift, Red Hat Quay, HashiCorp Vault and Tekton Pipelines Support continuous integration and deployment using GitHub, ArgoCD and SonarQube Collaborate with engineering...

Staff Full Stack Engineer (Contract) | Rust & Java (Primary) | React & Python (Secondary) | Fully Remote (UK-based) | £500-600+/day | Outside IR35 | 12-Month Contract We’re partnering with a fast-scaling, globally distributed tech business that’s investing heavily in the evolution of its platform – modernising backend services, improving frontend experiences, and setting long-term architectural direction. They’re looking for a Staff Full Stack Engineer (Contract) with strong commercial experience in Rust and Java, alongside hands-on experience building production-grade applications with React and Python. This is a high-impact, long-term contract within an experienced, product-focused engineering team, where you'll play a key role in developing scalable backend systems, delivering modern frontend experiences, and influencing architectural decisions. It’s well suited to an experienced contractor who enjoys owning complex technical challenges, working...

Staff Full Stack Engineer (Contract) | Rust & Java (Primary) | React & Python (Secondary) | Fully Remote (UK-based) | £500-600+/day | Outside IR35 | 12-Month Contract We’re partnering with a fast-scaling, globally distributed tech business that’s investing heavily in the evolution of its platform – modernising backend services, improving frontend experiences, and setting long-term architectural direction. They’re looking for a Staff Full Stack Engineer (Contract) with strong commercial experience in Rust and Java, alongside hands-on experience building production-grade applications with React and Python. This is a high-impact, long-term contract within an experienced, product-focused engineering team, where you'll play a key role in developing scalable backend systems, delivering modern frontend experiences, and influencing architectural decisions. It’s well suited to an experienced contractor who enjoys owning complex technical challenges, working...

Senior Developer – Front Office RAD / Trader Tools £700 p/day | Outside IR35 | Largely remote | 12-month contract We are hiring a hands-on Senior Developer for a prestigious investment banking client, delivering tactical fixes and enhancements directly for front-office traders. This role suits someone who thrives in a RAD/tactival environment : quick to understand a problem, comfortable with changing priorities and able to deliver practical, reliable solutions at pace. The focus is on short development cycles, immediate business needs and improving existing trading tools , rather than a long-term strategic programme. Initial work will support Securities Lending , with opportunities to work across other trading desks. What we’re looking for: Strong development experience in C#, Python and Excel Proven experience in front-office RAD or tactical development A quick-thinking, pragmatic problem solver who can work independently Confidence working...

Staff Full Stack Engineer (Contract) | Rust & Java (Primary) | React & Python (Secondary) | Fully Remote (UK-based) | £500-600+/day | Outside IR35 | 12-Month Contract We’re partnering with a fast-scaling, globally distributed tech business that’s investing heavily in the evolution of its platform – modernising backend services, improving frontend experiences, and setting long-term architectural direction. They’re looking for a Staff Full Stack Engineer (Contract) with strong commercial experience in Rust and Java, alongside hands-on experience building production-grade applications with React and Python. This is a high-impact, long-term contract within an experienced, product-focused engineering team, where you'll play a key role in developing scalable backend systems, delivering modern frontend experiences, and influencing architectural decisions. It’s well suited to an experienced contractor who enjoys owning complex technical challenges, working...

Senior Developer - Front Office RAD/Trader Tools £700 p/day | Outside IR35 | Largely remote | 12-month contract We are hiring a hands-on Senior Developer for a prestigious investment banking client, delivering tactical fixes and enhancements directly for Front Office traders. This role suits someone who thrives in a RAD/tactival environment: quick to understand a problem, comfortable with changing priorities and able to deliver practical, reliable solutions at pace. The focus is on short development cycles, immediate business needs and improving existing trading tools, rather than a long-term strategic programme. Initial work will support Securities Lending, with opportunities to work across other trading desks. What we're looking for: Strong development experience in C#, Python and Excel Proven experience in Front Office RAD or tactical development A quick-thinking, pragmatic problem solver who can work independently Confidence working directly with traders to...

Staff Full Stack Engineer (Contract) | Rust & Java (Primary) | React & Python (Secondary) | Fully Remote (UK-based) | £500-600+/day | Outside IR35 | 12-Month Contract We’re partnering with a fast-scaling, globally distributed tech business that’s investing heavily in the evolution of its platform – modernising backend services, improving frontend experiences, and setting long-term architectural direction. They’re looking for a Staff Full Stack Engineer (Contract) with strong commercial experience in Rust and Java, alongside hands-on experience building production-grade applications with React and Python. This is a high-impact, long-term contract within an experienced, product-focused engineering team, where you'll play a key role in developing scalable backend systems, delivering modern frontend experiences, and influencing architectural decisions. It’s well suited to an experienced contractor who enjoys owning complex technical challenges, working...

Staff Full Stack Engineer (Contract) | Rust & Java (Primary) | React & Python (Secondary) | Fully Remote (UK-based) | £500-600+/day | Outside IR35 | 12-Month Contract   We’re partnering with a fast-scaling, globally distributed tech business that’s investing heavily in the evolution of its platform – modernising backend services, improving frontend experiences, and setting long-term architectural direction.   They’re looking for a Staff Full Stack Engineer (Contract) with strong commercial experience in Rust and Java, alongside hands-on experience building production-grade applications with React and Python.   This is a high-impact, long-term contract within an experienced, product-focused engineering team, where you'll play a key role in developing scalable backend systems, delivering modern frontend experiences, and influencing architectural decisions.   It’s well suited to an experienced...

Contract DevOps Engineer Rate: £600 per day IR35: Outside IR35 Location: Remote, with 1 day per month onsite in Romsey Clearance: Active SC Clearance required Contract Length: Initially until the end of June 2027 Overview We are seeking an experienced DevOps Engineer to join a high-performing engineering team delivering cloud-native platforms and modern deployment capabilities within a secure environment. This role requires a strong technical background across AWS, Kubernetes, Infrastructure as Code and CI/CD automation. The successful candidate will be responsible for building and maintaining scalable, automated environments while driving best practices across the software delivery life cycle. Key Responsibilities Design, build and support AWS-based infrastructure and platform services. Develop and maintain Infrastructure as Code solutions using Terraform and Packer. Build, optimise and maintain GitLab CI/CD pipelines. Deploy and manage containerised...

Join a growing software team developing technology that supports cutting-edge scientific innovation. We 're looking for a Senior Software Test Engineer (not a QA Tester) 6 month contract (outside IR35) with strong experience in test automation, software engineering and CI/CD environments. As Senior Software Test Engineer Experience Reuired: Experience as a Software Test Engineer, SDET or Automation Test Engineer Strong Python, C# or Java skills Experience building and maintaining automated test frameworks Integration, system and regression testing experience Experience working closely with software developers in Agile teams CI/CD, Git, Azure DevOps, Jenkins or similar tools Ideal backgrounds: Scientific instrumentation, biotech, medtech, robotics, aerospace, defence, telecoms or software product companies. This is a hands-on engineering role focused on automating quality, not a traditional manual QA position. Permanent and contract...

Platform Engineer (DV Cleared) | Contract £650-£750 per day | Outside IR35 | Corsham | 6-12 Months Ncounter is recruiting an experienced DV Cleared Platform Engineer to support a major cloud transformation programme within Defence. This is an opportunity to contribute to the development and delivery of secure, modern cloud infrastructure supporting critical government services. Working within a highly skilled engineering team, you'll take a hands-on role in building, automating and improving cloud platforms, with a particular focus on Google Cloud Platform (GCP) and Kubernetes . The programme offers technically challenging work, exposure to modern cloud technologies and the opportunity to make a meaningful contribution to services operating within a highly secure environment. The Role: Design, build and maintain secure, scalable cloud infrastructure using GCP and Kubernetes. Develop and improve automation, infrastructure provisioning and deployment...

Platform Engineer (DV Cleared) | Contract £650-£750 per day | Outside IR35 | Corsham | 6-12 Months Ncounter is recruiting an experienced DV Cleared Platform Engineer to support a major cloud transformation programme within Defence. This is an opportunity to contribute to the development and delivery of secure, modern cloud infrastructure supporting critical government services. Working within a highly skilled engineering team, you'll take a hands-on role in building, automating and improving cloud platforms, with a particular focus on Google Cloud Platform (GCP) and Kubernetes. The programme offers technically challenging work, exposure to modern cloud technologies and the opportunity to make a meaningful contribution to services operating within a highly secure environment. The Role: Design, build and maintain secure, scalable cloud infrastructure using GCP and Kubernetes. Develop and improve automation, infrastructure provisioning and deployment processes. Implement...

Platform Engineer (DV Cleared) | Contract £650- £750 per day | Outside IR35 | Corsham | 6-12 Months Ncounter is recruiting an experienced DV Cleared Platform Engineer to support a major cloud transformation programme within Defence. This is an opportunity to contribute to the development and delivery of secure, modern cloud infrastructure supporting critical government services. Working within a highly skilled engineering team, you 'll take a hands-on role in building, automating and improving cloud platforms, with a particular focus on Google Cloud Platform (GCP) and Kubernetes . The programme offers technically challenging work, exposure to modern cloud technologies and the opportunity to make a meaningful contribution to services operating within a highly secure environment. The Role: Design, build and maintain secure, scalable cloud infrastructure using GCP and Kubernetes. Develop and improve automation, infrastructure...

CONTRACT AI SOFTWARE ENGINEER - OUTSIDE IR35 - SC Cleared NEW CONTRACT OPPORTUNITY AVAILABLE Rate: Up to £600 per day Location: London / Remote-first Working Pattern: Part-time, 2-3 days per week; predominantly remote with occasional London workshops Contract Length: 3 months initially, with extension likely IR35 Status: Outside IR35 Start Date: 19th October 2026 (subject to availability) I 'm currently working with an organisation delivering innovative AI and data solutions within the UK public sector, who are looking for an experienced AI Software Engineer to join an initial 3-month engagement on a part-time basis. This is an opportunity to help shape how a new public sector organisation operates using AI from the outset, combining hands-on engineering with the design of AI-enabled workflows, governance and operating models. THE ROLE You 'll work as part of a collaborative engineering team, helping design and build...

Contract Test Engineer - Windows Applications / WPF / Networking Location: Derbyshire - Fully Onsite Contract: Initial 6-12 Months (likely extensions) Day Rate: £400-800 p/d IR35: Outside IR35 Security Clearance: Current SC/DV clearance is preferred. Candidates whose SC/DV clearance has been placed on hold within the last 12 months may also be considered, subject to eligibility for transfer/reactivation. We're supporting a specialist SME technology and engineering business in Derbyshire with the appointment of an experienced Applications Test Engineer for an initial 6-12 month contract. You'll be testing Windows-based applications used within complex networking and communications environments. This is a hands-on testing role covering everything from application functionality and usability through to integration with network-connected devices. You'll work alongside software and systems engineers within an established technical team, helping...