21 python developer jobs found in London

SC Cleared Python Developer Remote (London once per every 4-6 weeks) SC Clearable, Lapsed or Active a HUGE Bonus £400 to £500 per day DOE Outside IR35 Initial 6 Months ASAP Start Are you an experienced Python Developer with a security clearance? Our Client, a leading organisation operating within the defence and security sector, is looking for a talented professional to join their team on a contract bas click apply for full job details

SC Cleared Python Developer Remote (London once per every 4-6 weeks) SC Clearable, Lapsed or Active a HUGE Bonus £400 to £500 per day DOE Outside IR35 Initial 6 months ASAP Start Are you an experienced Python Developer with a security clearance? Our Client, a leading organisation operating within the defence and security sector, is looking for a talented professional to join their team on a contract basis. This is an exciting opportunity to work on high-profile projects that have a significant impact, offering a chance to utilise your skills in a fast-paced, innovative environment. Role Overview As part of their strategic growth, Our Client is seeking an SC Cleared Python Developer to play a crucial role in delivering critical solutions. You will be instrumental in advancing cutting-edge systems that support national security initiatives. This role offers a unique chance to contribute to vital projects while developing your expertise within a renowned organisation committed...

Lead Python Engineer £450/day Outside IR35 3-Month Contract Hybrid Working Active SC Clearance Required An experienced Lead Python Engineer is required to join a data-focused programme aimed at improving the safe use of production data within development environments. The project is centred on data anonymisation, obfuscation and sanitisation, helping to establish the tooling, governance and te click apply for full job details

This is a fantastic opportinity to work as a AI Python Developer for a major pharmaceutical company on a remote contract, outside IR35. The key skills required for this AI Python Developer role are: Python AI LLM AWS Lab experience (desirable not essential) If you do have the relevant skills for this AI Python Developer contract, please do apply.

SC Cleared Python Developer Remote (London once per every 4-6 weeks) SC Clearable, Lapsed or Active a HUGE Bonus £400 to £500 per day DOE Outside IR35 Initial 6 Months ASAP Start Are you an experienced Python Developer with a security clearance? Our Client, a leading organisation operating within the defence and security sector, is looking for a talented professional to join their team on a contract basis. This is an exciting opportunity to work on high-profile projects that have a significant impact, offering a chance to utilise your skills in a fast-paced, innovative environment. Role Overview As part of their strategic growth, Our Client is seeking an SC Cleared Python Developer to play a crucial role in delivering critical solutions. You will be instrumental in advancing cutting-edge systems that support national security initiatives. This role offers a unique chance to contribute to vital projects while developing your expertise within a renowned organisation committed...

This is a fantastic opportinity to work as a AI Python Developer for a major pharmaceutical company on a remote contract, outside IR35. The key skills required for this AI Python Developer role are: Python AI LLM AWS Lab experience (desirable not essential) If you do have the relevant skills for this AI Python Developer contract, please do apply.

This is a fantastic opportunity to work a remote Senior Fullstack Developer for a major pharmaceutical company on a long term contract, outside IR35. The key skills required for this Senior Fullstack Developer are: Python React AWS If you do have the relevant experience for this remote, outside IR35 Senior Fullstack Developer role, please do send through your CV.

This is a fantastic opportunity to work a remote Senior Fullstack Developer for a major pharmaceutical company on a long term contract, outside IR35. The key skills required for this Senior Fullstack Developer are: Python React AWS If you do have the relevant experience for this remote, outside IR35 Senior Fullstack Developer role, please do send through your CV.

Principal Software Engineer – Testing Architecture & Engineering Quality 📍 London (1 day/week) | 💰 £750/day Outside IR35 (Flexible) | 📅 12-Month Initial Contract Shape the Future of Engineering Quality at a Leading Investment Bank   A leading investment bank is looking for an exceptional Principal Software Engineer to define and build the future testing architecture across its strategic Global Markets Front Office trading platform.   This is a highly technical Principal Software Engineering position - not a QA, Test Analyst or traditional SDET role.   The successful candidate will join a team with an exceptionally high technical bar. We're looking for someone who thinks like an architect, writes production-quality code, and enjoys solving complex engineering problems through frameworks, tooling and platform design rather than feature development alone.   You'll define the engineering foundations that...

Job Information Date Opened 26/08/2026 Job Type Contract Industry IT Services Work Experience 5+ years Salary £475 - £500 Outside IR35 City London Province Greater London Country United Kingdom Postal Code EC1A Job Description About Scrumconnect Consulting:   Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens. With a strong commitment to user-centred design and agile delivery, and more to deliver innovative digital services that matter   Preferred Tech Stack Expertise Cloud Infrastructure : AWS (EKS, RDS, Aurora, ElastiCache, Kafka, IAM) Secure Hosting : Experience working with air-gapped or government-secure environments Container & Cluster Management : Docker,...

If you are an experienced Data Engineer/GenAI Developer we have anew contract we would like to discuss with you. Please note this role falls outside IR35 and will require some occasional onsite attendance in London. We are seeking an experienced Data Engineer to design and build modern data solutions supporting enterprise AI and Generative AI use cases. This is a hands-on engineering position spanning trusted data pipelines, RAG and LLM services, APIs and production deployment. What you'll do: Design and optimise scalable ETL/ELT pipelines for structured, semi-structured and unstructured data. Build production-ready RAG pipelines covering ingestion, chunking, embeddings, vector search, retrieval and grounding. Integrate enterprise data with LLM and AI services through secure, reusable APIs and components. Take AI use cases from prototype through production, including testing, CI/CD, monitoring and troubleshooting. Work with data scientists, AI...

Role - Search Orchestration Developer - Agentic AI Platform Remote Role/London Rate - Upto £600/Day Outside IR35 Role & Responsibilities: Lead the design, development, and delivery of production-grade Search Orchestration services for Client Group's enterprise Agentic AI platform, leveraging hybrid retrieval, GraphRAG, reranking, and knowledge discovery. Build scalable, secure, and reusable search capabilities using Azure AI Search, Neo4j, Qdrant, BM25, Vector Search, Cross-Encoder Reranking, Python, and Azure AI Foundry. Design and implement cloud-native microservices, REST APIs, CI/CD pipelines, automated testing, monitoring, and Kubernetes-based deployments on Azure. Develop enterprise search solutions integrating Snowflake, SharePoint, Azure services, embeddings, LLMs, and hybrid search architectures to support multiple AI applications. Collaborate closely with Solution Architects, Product Owners, Data Engineers, and the Architecture Review Board to...

Cloud Engineer (AWS) | SC Cleared | Outside IR35 | £375/day We are looking for an experienced Cloud Engineer to join a large-scale cloud platform programme supporting the evolution and enhancement of an enterprise AWS platform. This is an excellent opportunity for a hands-on engineer with strong AWS infrastructure expertise who enjoys working closely with development teams and stakeholders to deliver scalable, secure cloud solutions. Contract Length: 6 months Day Rate: £375 per day IR35 Status: Outside IR35 Location: Hybrid working, with 2 days per week onsite Security Clearance: Active SC Clearance required and must be transferable prior to start The Role As a Cloud Engineer, you will work within a collaborative platform engineering team delivering cloud infrastructure improvements, platform enhancements and supporting service teams in the adoption of cloud-native technologies. You'll be joining one of several platform squads made up of experienced engineers,...

Job Information Date Opened 26/08/2026 Job Type Contract Industry IT Services Work Experience 5+ years Salary £475 - £500 Outside IR35 City London Province Greater London Country United Kingdom Postal Code EC1A Job Description About Scrumconnect Consulting: Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens. With a strong commitment to user-centred design and agile delivery, and more to deliver innovative digital services that matter Preferred Tech Stack Expertise Cloud Infrastructure : AWS (EKS, RDS, Aurora, ElastiCache, Kafka, IAM) Secure Hosting : Experience working with air-gapped or government-secure environments Container & Cluster Management : Docker, Kubernetes,...

DevOps Engineer - Contract – Consulting - AWS, Kubernetes, Terraform, Python / Go Oliver Bernard are currently working with a Consultancy client of ours who are looking for strong DevOps Contractors, from a Development background, for a large Cloud, Container and Software focused project. You’ll be expected to work in cross-functional teams, devised of DevOps Engineer, Architects and Developers, on a project to help scale the DevOps and Engineering practices for a key client of theirs. To be considered for this position you must have experience with the following: Strong experience with AWS and AWS Services Containerisation / Orchestration with Docker and Kubernetes History of IaC with Terraform, alongside CI/CD and Automation work Background in Software Engineering, comfortable coding with an OO language (ideally Python, Go or Java) Previous experience working in Finance or Regulated environments This position can offer £550-650 p/day, outside IR35,...

Technical Delivery Manager Location: Central London (4 days on-site/1 day remote) Rate: £500 - £550 per day - Outside IR35 Employment Type: Contract Clearance Requirement: Active DV Clearance (Sole UK Nationals only) About the Role We are seeking an experienced Technical Delivery Manager to join a pioneering team working on one of the UK's most significant AI initiatives within the Defence sector. In this role, you will be pivotal in driving the delivery of mission-critical systems built on a cutting-edge technical stack. Working closely with cross-functional engineering teams, product managers, and key stakeholders, you will ensure complex, high-stakes software solutions are delivered predictably, securely, and at pace. Key Responsibilities Technical Delivery & Agile Leadership: Lead agile delivery across multiple engineering workstreams, driving sprint planning, daily stand-ups, backlog refinement, and retrospectives. Architecture & Engineering...

Automation Test Engineer - eDV/UKIC Clearance Required If you do not know what eDV/UKIC is please do not apply. 12 month outside IR35 contract- 650-700 p/d. Based in London on site 5 days a week. SR2 is partnering with an exciting client looking for an Automation Test Engineer to play a key role in building quality, security and confidence into their software delivery life cycle. You'll work alongside Software Developers, DevSecOps Engineers and QA specialists to design and maintain automated testing that is Embedded directly into CI/CD pipelines. This is a hands-on role for someone who enjoys building robust automation frameworks, testing modern containerised applications and shifting quality and security left. What you'll be doing Design, build and maintain automated unit, API, integration, functional and end-to-end test suites Develop reusable and scalable test automation frameworks and libraries Test Python 3.13+ , microservices and containerised applications...

Contract Databricks Data Engineer Role - Remote - £400/pd Please note - this is an Outside IR35 contract role which will require occasional visits to offices in the South of England. To be eligible for this role you must be based in the UK with the unrestricted right to work in the UK. We 're partnering with a well-established financial services organisation that is seeking an experienced Databricks Data Engineer to join their growing data team on an initial 6-month contract. This is a predominantly remote role, with occasional visits to the client 's offices in the South of England. Candidates should be available to attend the office on their first day and subsequently as required for key meetings and collaboration sessions. The Role Working within a highly collaborative data environment, you 'll play a key role in supporting the organisation 's Decision Science Team, ensuring they have access to high-quality, reliable data to drive...

Contract Databricks Data Engineer (x2) Location: Primarily Remote (Occasional travel to Worthing, including first day) Contract Length: 6 months Rate: £400 per day IR35 Status: Outside IR35 The Opportunity We're supporting a major organisation that has invested heavily in a modern Databricks-powered data platform, transforming the way data is delivered across the business and enhancing the digital services available to its customers. The business has developed a sophisticated customer-facing portal that leverages high-quality, accessible data to improve user experiences and provide customers with greater visibility and control over their financial journeys. As demand for data services continues to grow, they are looking to bring in two Databricks Data Engineers to support the ongoing evolution and day-to-day operation of the platform. This is an excellent opportunity for engineers who enjoy working within established cloud data environments, contributing across data...

Cryptography Architect - Crypto & Post-Quantum 6-month contract September Start date Outside IR35 - Market rate Remote Working We are seeking an experienced Crypto & PQC Architect to lead a critical post-quantum cryptography readiness programme. This hands-on role will focus on deploying cryptographic inventory tools, discovering cryptographic assets and developing a comprehensive Crypto Bill of Materials (CBOM) across business-critical applications. This is a hands-on architecture role focused on assessing the organisation's existing cryptographic landscape and establishing a clear roadmap towards quantum-resistant security. The initial priority will be to deploy crypto-inventory tooling and develop a comprehensive Crypto Bill of Materials (CBOM) across business-critical applications. The role will involve working closely with application owners, security teams and developers to identify where cryptography is used, assess associated risks and recommend appropriate...