1 to 25 of 49 Python 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 in a highly ...

Lead Python Software Engineer Contract Type: Inside IR35 Rate: £650+ per day Location: Hybrid (3 days on site in London/Leatherhead) Duration: Long-term contract Clearance: Active and transferable SC clearance required About the Role Exalto Consulting is supporting a client delivering complex, business-critical technology solutions … seeking an experienced Lead Python Software Engineer to join a highly skilled engineering team. This is an opportunity to work on innovative and technically challenging projects where problem-solving, creativity, and engineering excellence are highly valued. You'll be contributing to the design, development, and evolution of bespoke ...

Staff Product Engineer | London Hybrid/Remote | AI x FinTech | Python, AI Workflows, Distributed Systems | £120k-£200k + Equity A VC-backed AI company is rebuilding how accounting work gets done, using agentic workflows and AI automation to eliminate the high-volume operational work that has resisted meaningful … platforms like SAP, NetSuite and Workday to automate complex financial workflows at scale. They are looking for a Staff Product Engineer to own meaningful product surface area end-to-end across backend systems, AI workflows, infrastructure, and frontend applications where required. This is a highly product-focused engineering role ...

Senior Python Engineer London (Hybrid/Flexible Working Available) Up to £80,000 + Benefits About the Role We are seeking an experienced Senior Python Engineer to join our growing engineering team in London. You'll play a key role in designing, building, and scaling high … influence architectural decisions, mentor developers, and help shape the future of our technology platform. What You'll Be Doing Designing, developing, and maintaining scalable Python applications and services Building robust APIs and microservices architectures Writing clean, maintainable, and well-tested code Collaborating closely with Product Managers, Designers, and Engineering ...

Engineer, Python, London, COR7586 Are you an AI-focused engineer who enjoys building real, production-grade systems rather than experimental prototypes? Do you want to work at the cutting edge of LLM-powered products in a fast-moving environment? This could be the role … Role As an AI Engineer, you’ll be responsible for developing and scaling intelligent AI-driven features within a high-growth product environment. You’ll work across backend systems to design and implement agent-based capabilities, enabling users to interact with complex data in powerful new ways. This role ...

Data Infrastructure Engineer/Python Developer, London, COR7590 Are you an experienced Data Infrastructure Engineer or Python Developer with a passion for building robust data systems and working with cutting-edge AI technologies? Looking for a role where you can take ownership of critical infrastructure within … fast-growing fintech startup? This could be the opportunity for you! The Role As a Data Infrastructure Engineer/Python Developer, you'll be responsible for designing, building and maintaining the systems that transform large volumes of complex data into reliable, high-quality datasets. You'll use Python ...

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 ...

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 in a multidisciplinary ...

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, excited ...

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 working … 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 ...

Senior Python Engineer (Django/DevOps/IaC) Retail Hybrid: either London or Welwyn Garden City (whichever is closest) 3 days per week 6 months £850 per day In short: Our Application Security team require a strong Python generalist to run, deploy and maintain purpose-built applications. … need solid experience across Python development, DevOps, Cloud and an awareness of security protocols. About The Role We are committed to align with the digital advancements of the business and secure new technologies that enable our business to have a superior focus on serving our customers, communities, and planet. ...

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 … 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 ...

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 Connectivity. … drive a highly efficient technology used by several markets around the world. To be successful in this role as a Principal Software Engineer - C++, you will be a proponent of agile methodology and modern software best practices. You can produce detailed technical work in OOP and work with other ...

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 by significant … 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 ...

/Customer Engineer | London (5 Days Onsite) | Conversational AI/Enterprise SaaS | Hypergrowth AI Startup | Python, APIs, Integrations, LLMs | £150k-£180k + Equity + Benefits A hypergrowth AI company is building enterprise-grade conversational AI agents used by some of the world's largest brands to automate … with enterprise stakeholders to ensure successful deployments. Required experience: 5+ years in Forward Deployed Engineering, Solutions Engineering, Technical Consulting, Implementation Engineering, or similar Strong Python skills with ability to write production-quality code Experience working with APIs, integrations, workflows, and enterprise systems Experience delivering technical customer solutions ...

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 ...

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 ...

Site Reliability Engineer with Python Our Client looking to bring on a site reliability engineer to help deploy, manage, troubleshoot, and enhance our complex cloud-based set of internal tools and externally managed services for a variety of users across our wide-ranging organization. You will have … system operations Experience debugging complex problems and implementing timely cost‐effective solutions Experience designing, building, and operating large‐scale production systems Deep knowledge of Python is preferred, though other languages like Java, Go, Rust, or similar will also be heavily considered Experience using source control (Git, GitHub) and feature ...

Lead Engineer, Back End, Agentic intelligence London, UnitedKingdom Posted 12 months ago Tech stack ecosystem Backend Python Job Opportunity at Choreograph: Back-End Engineer Choreograph is seeking an experienced and forward-thinking Back-End Engineer to lead the development of our ecosystem of (primarily) Python ...

great energy client based in London is looking for a Full Stack Python Engineer. Fantastic benefits, bonus, training, events, cycling scheme, pension, free breakfast and much more! If you’re looking for a genuinely exceptional tech environment in London, this is it. The team is highly collaborative, technically strong … Responsibilities Design, develop, and maintain scalable and reliable software solutions, ensuring alignment with Principals and Architects. You must have at least 4 years Python experience Experience with Typescript and a years Javascript Key Requirements Strong expertise in Python web development frameworks (e.g., Django) and JavaScript/TypeScript, with ...

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 on delivering … 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 stakeholder engagement, communication ...

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 … options scheme in the near future, allowing you to share in the company’s success. About you? You’ll be an established Senior Software Engineer with at least 7 years of experience in software development and systems engineering. You should be proficient in Python and have a track ...

enabling the society as a whole to use the natural resources of our planet to the benefit of all. You Are: Fluent in Python and software engineering fundamentals, and comfortable with highly scalable data processing libraries Strong expertise in distributed systems, micro-service architectures and scalable data processing pipelines ...

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 in software engineering. ...

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 ...