15 python developer jobs found in London

Outside IR35 - 6 month Contract - Rates Negotiable - Active SC Clearance required Our client is looking for a Python/Platform Engineer to build secure, reliable and easy-to-use platform capabilities for development teams. Youll focus on Python package management, CI/CD, artefact repositories, automation and developer self-service, helping teams adopt secure golden paths and reduce reliance on manu click apply for full job details

Outside IR35 - 6 month Contract - Rates Negotiable - Active SC Clearance required  Our client is looking for a Python / Platform Engineer to build secure, reliable and easy-to-use platform capabilities for development teams. You’ll focus on Python package management, CI/CD, artefact repositories, automation and developer self-service, helping teams adopt secure golden paths and reduce reliance on manual workarounds.   What You’ll Do Build and maintain secure Python and package-management golden paths. Develop curated package repositories and controlled publishing workflows. Build reusable CI/CD pipelines, repository templates and automation. Integrate platform services with SSO, RBAC, security and runtime environments. Support reproducible environments across Windows, WSL and Linux. Implement automated onboarding and self-service capabilities. Support vulnerability scanning, SBOMs, provenance and policy-as-code....

Robotics Software Engineer Contract Details Status : Outside IR35 Location : Hybrid in London   In this role, you will take ownership of features across the full robotics stack, working directly with ROS 2 Jazzy, writing clean Python and C++ services, and diagnosing complex real world edge cases directly on physical production machinery.   Key Deliverables Build modular, testable, and well documented subsystems across the full robotics stack in ROS 2 Jazzy. Diagnose system issues, replicate bugs, and test features hands on directly with microfactory hardware and physics based simulations. Implement targeted, production grade solutions to resolve edge cases in autonomous cell operations. Participate in code and design reviews, improving developer tooling and automated testing practices.   Required Experience Demonstrable track record shipping and maintaining production software in commercial...

PRINCIPAL SECURITY ENGINEER UP TO £900 Day Rate ( Outside IR35 ) - 6 Month Renewable ( 2 Year Projected Contract ) Hybrid Working  SECURE has Strategically Partnered with a leading consultancy to support a Global  FinTech Leader operating under strict Regulatory Frameworks They are  looking for an experienced  P rincipal Security Engineer  to provide Credible, Hands-On Technical Leadership to a Team of Engineers for the Design, Engineering, Implementation of their Network & Infrastructure  Security Capabilities  with Architecture, Automation, Operational Ownership & Stakeholder Engagement.  Their current Strategic Technologies include  Imperva WAF  & DDoS , ExtraHop NDR  & Illumio Micro - Segmentation . Experience across these technologies is highly desirable, although they'll value genuine Hands-On Depth & Successful Operational Ownership more...

Senior Python Engineer - AI & Microservices £450 PD (Outside IR35) | 3-to-6-month Contract | 2 days onsite in London (Hybrid) | ASAP Start Our trusted technology partner is developing innovative products and is looking for an experienced Senior Python Engineer/Back End Developer to join a fast-moving team. You will develop Python microservices, scalable services, voice chat, and data pipelines, using AI technologies including ASR, TTS, and LLMs. The ideal candidate will have strong Python skills, a pragmatic delivery-focused approach, and the ability to take ownership in a fast-paced, evolving environment. Key Responsibilities: Develop and maintain scalable Python services, microservices, voice chat, and data pipelines. Work with the Tech Lead and wider team on architecture, technical decisions, and solution design. Collaborate with product, data science, QA, design, and subject matter experts to deliver new features. Ensure applications meet high standards for...

Senior Python Engineer - AI & Microservices £450 PD (Outside IR35) | 3-to-6-month Contract | 2 days onsite in London (Hybrid) | ASAP Start Our trusted technology partner is developing innovative products and is looking for an experienced Senior Python Engineer / Back End Developer to join a fast-moving team. You will develop Python microservices, scalable services, voice chat, and data pipelines, using AI technologies including ASR, TTS, and LLMs. The ideal candidate will have strong Python skills, a pragmatic delivery-focused approach, and the ability to take ownership in a fast-paced, evolving environment. Key Responsibilities: Develop and maintain scalable Python services, microservices, voice chat, and data pipelines. Work with the Tech Lead and wider team on architecture, technical decisions, and solution design. Collaborate with product, data science, QA, design, and subject matter experts to deliver new features. Ensure...

Senior Cloud / DevOps Engineer – Azure & Python - Remote - Outside IR35 We’re looking for a Cloud / DevOps Engineer with strong Azure and Python skills to join our team and help develop, support and scale our B2B Energy platform. The role combines cloud infrastructure, DevOps and Python development/debugging, supporting a range of cloud-hosted products for our clients. You’ll respond to proactive support requirements, troubleshoot and resolve Python backend issues, and provide scaling and reliability support across our platforms. A key part of the role will be helping us mature our cloud offering through the development of Dev Experience tools, reusable cloud modules and improved security controls. You’ll also contribute to areas including: 10+ years commercial IT Engineering/Development experience Azure cloud infrastructure and DevOps Python backend debugging and development CI/CD and automation Disaster Recovery infrastructure patterns Networking modernisation...

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 underpin software quality across the organisation -...

Senior Python Engineer – AI & Microservices £450 PD (Outside IR35) | 3-to-6-month Contract | 2 days onsite in London (Hybrid) | ASAP Start Our trusted technology partner is developing innovative products and is looking for an experienced Senior Python Engineer / Back End Developer to join a fast-moving team. You will develop Python microservices, scalable services, voice chat, and data pipelines, using AI technologies including ASR, TTS, and LLMs. The ideal candidate will have strong Python skills, a pragmatic delivery-focused approach, and the ability to take ownership in a fast-paced, evolving environment. Key Responsibilities: Develop and maintain scalable Python services, microservices, voice chat, and data pipelines. Work with the Tech Lead and wider team on architecture, technical decisions, and solution design. Collaborate with product, data science, QA, design, and subject matter experts to deliver new features. Ensure applications meet...

QA Engineer - Automation (API Testing) Location: London (100% Remote) Our Client is hiring for a reputed client. If you enjoy building reliable automation, tightening quality feedback loops and helping teams ship with confidence, this is a great opportunity to make quality part of everyday engineering. What you'll be doing: * Design and evolve an automation approach across your product area (API, UI, contract, component and more) * Build, develop and maintain test automation frameworks and scripts * Integrate automation deeply into CI/CD pipelines, optimising parallel runs for deterministic, stable outputs * Investigate flaky tests, identify root causes, and drive reliability standards * Troubleshoot complex automation failures and recommend corrective actions * Provide meaningful reporting that highlights real risks, not just raw numbers * Review automation code and mentor junior/mid-level automation engineers * Create reusable components, utilities and libraries to...

DevOps/Cloud Engineer (AWS) | Active SC Clearance Essential Day Rate: £600 per day (Outside IR35) Location: Hybrid, London (1 day per week onsite) Contract Length: Initial 6 months Start Date: Immediate/ASAP Security Clearance: Active SC Clearance required We are partnering with a leading government programme to recruit an experienced DevOps/Cloud Engineer to join a highly skilled cloud engineering function. This is an excellent opportunity to contribute to a large-scale digital transformation programme, helping to design, automate and support secure cloud environments that underpin critical public sector services. Working closely with architects, developers and security specialists, you will play a key role in building scalable cloud platforms, enhancing deployment capabilities and driving DevOps best practices across the organisation. Key Responsibilities Design, implement and maintain secure AWS cloud infrastructure. Develop and manage Infrastructure as...

Senior Full Stack Data Quality Engineer Assignment type: Outside IR35 The supplier will be engaged to provide specialist hands-on data quality engineering services to the Finance & Data Reporting Product Team across TMHCC’s modern data platform testing, data quality engineering, and test automation. The engagement is focused on delivering agreed testing and automation outcomes across defined operational assurance priorities and initiative delivery outcomes. The supplier will validate data across the full data lifecycle, including ingestion, transformation, data lake, data warehouse, reporting and BI, APIs, metadata, lineage, and reconciliation. Assignment Tasks / Deliverables Full Stack Data Quality Engineering Design and execute data quality testing across ingestion, transformation, warehouse, reporting/BI, APIs, metadata, lineage, and reconciliation layers. Validate Snowflake data lake and data warehouse outputs against source systems, business...

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...

DevOps / Cloud Engineer (AWS) | Active SC Clearance Essential Day Rate: £600 per day (Outside IR35) Location: Hybrid, London (1 day per week onsite) Contract Length: Initial 6 months Start Date: Immediate / ASAP Security Clearance: Active SC Clearance required We are partnering with a leading government programme to recruit an experienced DevOps / Cloud Engineer to join a highly skilled cloud engineering function. This is an excellent opportunity to contribute to a large-scale digital transformation programme, helping to design, automate and support secure cloud environments that underpin critical public sector services. Working closely with architects, developers and security specialists, you will play a key role in building scalable cloud platforms, enhancing deployment capabilities and driving DevOps best practices across the organisation. Key Responsibilities Design, implement and maintain secure AWS cloud infrastructure. Develop and manage Infrastructure as Code (IaC)...

Senior Applied AI Engineer – Private Sector Location: Harwell, Oxfordshire – Hybrid (2 days per week on site, remainder remote) Contract: 6 months initially, with strong potential for extension Day Rate: £700–£900 per day, depending on experience IR35: Outside IR35 Start Date: Immediate About the Role We are working with a fast-growing UK frontier technology company developing advanced AI systems for organisations operating in complex, high-stakes environments. The business is looking for a Senior Applied AI Engineer to take genuine technical ownership of the design and delivery of production-grade agentic AI systems. This is a builder's role rather than an integration role . You will design and implement sophisticated AI systems from the ground up, make architecture-level decisions, write production-quality software and own features through to deployment. The focus is on turning rapidly evolving AI capabilities into reliable, scalable systems that deliver...