1 to 25 of 31 Python Software Engineer Jobs in London

Lead Python Software Engineer - SC Cleared (12 Month Contract) - £700/day (Inside IR35) Location: London or Leatherhead ( 3 days onsite per week ) Rate: Up to £700 per day (PAYE/Inside IR35) Duration: 12 Month Contract Start: ASAP SC Cleared Python Engineer - Immediate Requirement … recruiting a Lead Python Software Engineer (SC Cleared) to join a high-profile national security programme . Active SC clearance is mandatory - candidates without current, transferable SC clearance cannot be considered . This is an exciting opportunity to work on cutting-edge, mission-critical systems ...

looking for a Lead Software Engineer for a public sector organisation based in London, Manchester, Birmingham, Cardiff or the North East (hybrid) on an initial 12-month contract, paying up to £750 per day (Inside IR35, Umbrella). There is an expectation to attend the office … week across one of the listed locations. The successful Lead Software Engineer will lead the design, development, and delivery of scalable, secure software solutions within a government-focused environment, contributing to services that support the regulation of controlled goods and exports. Working across four Agile squads ...

Principal Software Engineer/Developer (Python AWS) London/WFH to £150k Join a high-growth, VC-backed Fintech building a market-leading analytics platform used by Hedge Funds, Asset Managers and global financial institutions. As a Principal Software Engineer, you will play a pivotal … role in shaping the technical direction of a large scale cloud-native platform, combining hands-on software development with architectural leadership and technical strategy. Working across multiple engineering teams, you will define architectural standards, review solution designs, tackle complex technical challenges and ensure that performance, scalability, security and reliability ...

Senior Software Engineer/Principal Software Engineer- C++, Python - Financial/Banking. Candidates will have a minimum 8+ years C++ experience and excellent knowledge of Python -coming from a Financial/Banking background with knowledge of Equities, Futures & Options and Fixed Income and Exchange … work with the Product, Infrastructure and QA teams, to produce high performance, low latency and highly reliable code. Your goal will be to develop software which handle large amount of TPS to drive a highly efficient technology used by several markets around the world. To be successful in this ...

Backend Software Engineer/Developer (Python FastAPI SQL Databricks) London to £95k Are you a data centric Backend Software Engineer with strong Python, SQL and FastAPI skills? You could be progressing your career in a senior, hands-on role at a fast growing, global … Insurance Underwriting technology provider that focusses on developing a complex SaaS calculation platform for rapidly growing Cyber Security insurance markets. As a Backend Software Engineer you will design and develop data centric backend services for the core platform with a focus on Python coding and building FastAPIs ...

Senior Level Python Engineer is required to join a Fintech company developing next generation tools for how companies get funding and optimise their working capital. Our client aims to change how corporate finance works, by replacing static, limited and often stale financial metrics with live data-driven insights … sourced from direct connections to their clients systems. You will be joining a strong team of Python Engineers, Data Scientists, and financial experts, who are building the next generation of financial toolsscalable, secure, and smart. If you're an experience Software Engineer whose passionate about Python ...

Lead Software Engineer - Python (Django) - SC Cleared - Contract Rate : Up to £750 per day (Umbrella) Duration : 12 months Location : 40% office based (London, Manchester, Birmingham, Cardiff, North East) IR35 : Inside Security Clearance : SC (essential) The role :A government organisation is seeking a Senior/Lead Software Engineer to design, develop and support secure, scalable digital services within a regulated export control environment. You will provide technical leadership across agile squads, contributing to resilient, user-centred services aligned to GDS standards and national security requirements. Key responsibilities : Lead design and delivery of scalable Python ...

Description Lead Software Engineer - Python (Django) - SC Cleared - ContractRate: Up to £750 per day (Umbrella)Duration: 12 monthsLocation: 40% office based (London, Manchester, Birmingham, Cardiff, North East)IR35: InsideSecurity Clearance: SC (essential)The role:A government organisation is seeking a Senior/Lead Software Engineer … across agile squads, contributing to resilient, user-centred services aligned to GDS standards and national security requirements.Key responsibilities: Lead design and delivery of scalable Python/Django-based services Translate user needs into robust technical solutions Build secure, test-driven, high-quality code across multiple workstreams Support and maintain ...

SOFTWARE ENGINEER ( DJANGO/PYTHON ) - SECURITY UK FULLY REMOTE Up to £80,000 + Bonus + Share Scheme + Staff Benefits SECURE has Strategically Partnered with a multi-award-winning, Software-Based Organisation at the forefront of Pre-Emptive Exposure Management. As a market leader backed … Vulnerability Research & Automated Red Teaming. Role Overview: Step in as the engine behind their Intelligence Operations. You will build and scale the high-throughput Python ( Django ) Backend that Collects, Processes & Analyses Large Volumes of Threat Telemetry. By operationalising Complex Data Pipelines & Integrating LLM Workflows, you will directly fuel ...

Principal Software Engineer/Developer (Python AWS) London/WFH to £150k Join a high-growth, VC-backed Fintech building a market-leading analytics platform used by Hedge Funds, Asset Managers and global financial institutions. As a Principal Software Engineer, you will play a pivotal … role in shaping the technical direction of a large scale cloud-native platform, combining hands-on software develop... CRWG1_UKTJ ...

Principal Software Engineer/Developer (Python AWS) London/WFH to £150k Join a high-growth, VC-backed Fintech building a market-leading analytics platform used by Hedge Funds, Asset Managers and global financial institutions. As a Principal Software Engineer, you will play a pivotal … role in shaping the technical direction xxuwjjq of a large scale cloud-native platform, combining hands-on software develop... While professional experience and qualifications are key for this role, make sure to check you have the preferable soft skills before applying if required. ...

Principal Software Engineer/Developer (Python AWS) London/WFH to £150k Join a high-growth, VC-backed Fintech building a market-leading analytics platform used by Hedge Funds, Asset Managers and global financial institutions. As a Principal Software Engineer, you will play a pivotal … role in shaping the technical direction of a large scale cloud-native platform, xkybehq combining hands-on software develop Are you the right applicant for this opportunity Find out by reading through the role overview below. Please click on the apply button to read the full job description ...

Backend Software Engineer - Python Location: London (in-office 4 days per week, non-negotiable) Type: Full-time Reports to: Head of Engineering Salary: £90,000-£105,000 + benefits Are you a Senior Backend Engineer who thrives on designing and scaling complex systems? Do you enjoy … from architecture through to production, while contributing to the overall technical direction. Key Responsibilities Design, build, and own backend services and data pipelines in Python Develop and operate streaming systems using Kafka or similar technologies Work with graph-based data structures and algorithms to support analytics and decision-making ...

Founding AI Engineer | Python, Async, LLMs, TypeScript, Cloud | £100k-£160k + Equity | London (Onsite) Build AI products from scratch as part of a founding team. Great opportunity to join a YC-backed AI startup building autonomous voice agents that automate customer interactions, scheduling, and operations for real-world … company is building production AI systems that directly impact how businesses operate, focusing on real-world execution, not experimentation. As a Founding AI Engineer, you'll build and ship core product features across Python, TypeScript, cloud infrastructure, and event-driven systems, taking ownership from idea to production. This ...

Title: Senior/Lead Software Engineer (Python, Django) Location: London, Manchester, Birmingham, Cardiff, North East, UK Job Type: Full-time contract, 12 months Work Model: Hybrid Summary: This role is responsible for the design, development, delivery, and ongoing improvement of soft-ware solutions within a secure, government … technical leadership, collaboration within multidisciplinary teams, and ownership of both development and live service performance. Key Responsibilities: Lead the design and delivery of scalable software solutions Translate user needs into technical outcomes Build secure, test-driven, high-quality code Support and maintain live services (performance & stability) Collaborate with multidisciplinary ...

Java Script Works in London is seeking a Senior Software Engineer to design, develop, and maintain robust software solutions using Python and TypeScript. The role involves optimizing existing systems through performance tuning and code refactoring. This full-time position offers competitive compensation and requires expertise … software engineering. The ideal candidate will have a strong technical background and a passion for modernizing legacy systems. #J-18808-Ljbffr ...

Title: Lead Software Engineer Location: Hybrid 40% onsite in London, Manchester, Birmingham, Cardiff or Northeast Duration: 12 months IR35: Inside IR35 Overview Our client is seeking experienced Lead Software Engineers to design, build and support secure, scalable digital services within a government environment. The role will focus … delivering resilient software solutions that support export control and regulatory systems, while providing technical leadership across agile delivery teams. Essential Skills & Experience Strong commercial experience with Python and Django Proven ability to design and deliver complex systems end-to-end Experience leading engineering delivery within agile teams Strong ...

Senior Software Engineer is required by this B2B Fintech business as they look to improve their product platform offering and build on their client success. You'll be expected to drive technology improvements, and play a pivotal role in a small software engineering team. This … based reporting platform written in Python and Django, and your input on the technical direction will be critical in the future success of the business and how they continue to deliver to their clients. If the opportunity to take responsibility for new projects, from research through to deployment, excites ...

that’s making a real difference. The role What you’d be doing? You’ll collaborate with cross-functional teams to design and implement software solutions that address complex sustainability challenges. Your focus will be on building internal tooling that consultants use to deliver these insights to clients. … span ETL pipelines, data backends, and web applications, ensuring their technology can handle the complex modelling requirements of their sustainability analyses. As a Senior Engineer, you’ll also play a crucial role in establishing and evolving the standards and practices of the new Engineering Team, mentoring less experienced engineers ...

Role Overview We are looking for a Backend Senior Software Engineer to help design, build, and operate backend systems. Reporting into our Engineering Director, you will work on production software used by customers and partners, and your work will have an impact on the reliability, usability … evolution of our platform. Responsibilities You will own the full Software Development Lifecycle, from understanding requirements and contributing to design decisions through to implementation, testing, deployment, monitoring, and production support. Design, build, and operate backend services, including APIs, integrations, reporting, and data-focused systems. Collaborate closely with Engineers, Product ...

Senior Level Python Engineer is required to join a Fintech company developing next generation tools for how companies get funding and optimise their working capital. Our client aims to change how corporate finance works, by replacing static, limited and often stale financial metrics with live data-driven insights ...

Senior Software Engineer (Remote/iGaming) - Python Location: Remote-first, UK-based Salary: £90,000-110,000 Heavily Funded: Series C-funded, fast-scaling consumer tech Technical Environment: Python, API Development, Distributed Systems, AWS We're partnered with a fast-growing, heavily funded iGaming platform … involved from problem statement through to release, and play a direct role in shaping how the domain evolves as they migrate from a Python monolith into isolated, resilient services. There's an exciting launch on the horizon in a brand new region. The systems challenge is real: high-throughput ...

Help us use technology to make a big green dent in the universe! We’re looking for a talented software engineer to solve exciting challenges for our sustainability‐focused energy retailer client. Our team members are passionate about technology and making a positive impact on the planet. They … transparency, taking ownership and iterating on processes if something isn’t working—always aiming to deliver quality and value. What you’ll need Python – experience with at least one web framework (Django, Flask, etc.) Domain modelling HTTP and REST APIs Writing robust and error‐resistant code Celery and async ...

developing an award-winning SaaS analytics platform used to assess over £200bn of non-life insurance business? This is a mid to senior level software engineering role focused heavily on production-grade Python development. This is not a web-facing CRUD or API-endpoint development role. The core … . The role: Technical Challenge: Take ownership of performance bottlenecks involving 4GB+ datasets. Architectural Input: Taking new features from conception to deployment Production-Grade Python: Apply software engineering best practices including OOP, unit testing, and CI/CD. Mathematical/Financial Logic: Translating complex analytical, mathematical, or financial ...

Java Script Works is seeking a Senior Software Engineer for a contract role in London. The ideal candidate should demonstrate strong written and verbal communication skills and effectively collaborate across diverse functional teams. Experience with Python, Django, and React is a plus. This position offers competitive compensation ...