Jobs for backend developer - python at London

Principal Software Developer in Test (SDET) Location: London (Hybrid) | Practice Area: Technology & Engineering | Type: Permanent Drive test automation innovation and engineering excellence in financial technology The Role As a Principal Software Developer in Test (SDET) at Capco, you'll lead the strategy, architecture, and implementation of robust test...

Senior AI Engineer Location: London (Hybrid - 1 day per week in the office) Salary: £65,000 - £75,000 + Excellent Benefits Job Type: Permanent Please note: Applicants must have the right to work in the UK. Unfortunately, visa sponsorship is not available for this position. The Opportunity An exciting opportunity has arisen for an experienced Senior...

Junior Quant Developer 50,000-60,000 + bonusOur client is a well known Algo Order Management and Execution Business. This role sits in the Algo development team who work on perfecting and improving clients Algorithms. My client has a flat hierarchy and this is a small team of 10.This role will give you massive exposure to Algorithm development as well as all...

Job Title: Back End Software Engineer Location: Remote (Quarterly Planning Sessions Required) Remuneration: £600 per day via Umbrella Company Contract Details: Fixed Term Contract, 6 Months (Scope for Extension) Overview Our client is seeking a senior Back End Software Engineer to take the reins in designing, building, and supporting scalable cloud and...

Senior AI Engineer Location: Remote (UK) or Hybrid - London (2 days per week in the office if London-based) Salary: £65,000 - £80,000 + Excellent Benefits Job Type: Permanent Please note: Applicants must have the right to work in the UK. Unfortunately, visa sponsorship is not available for this position. The Opportunity We're looking for a Senior AI...

Lead Python Engineer / Developer (API LLM Python) to £115kIf you want to know about the requirements for this role, read on for all the relevant information.Do you have advanced Python skills combined with tech start-up experience?You could be joining a fast growing AI start-up as one of its founding engineers, helping to build technology that is...

Permanent - AI Full Stack Product Engineer (Agentic AI) Location: London (Hybrid - 3 days per week) Permanent Build AI Products. Not Just Software. We're looking for a hands-on AI Full Stack Product Engineer to help build the next generation of AI-powered products for a fast-growing technology business. Working directly with an innovative CTO, you'll...

Senior Frontend Developer Up to £80,000 Central London - Flexible Hybrid Options Health-Tech A start-up within the health space are seeking a Senior Frontend Developer to join a high performing squad of engineers building a unique SAAS platform which is radically streamlining an existing complex process. You'd join as a Senior Frontend Developer and...

Lead Python Engineer / Developer (API LLM Python) to £115kDo you have advanced Python skills combined with tech start-up experience?You could be joining a fast growing AI start-up as one of its founding engineers, helping to build technology that is transforming compliance and operational efficiency across the NHS and wider regulated industries. With strong...

Role: DV Cleared Software Engineer Location: London (Leicester Square) - 3 days per week on-site Salary: £44,000 - £66,000 + bonus + benefits DV Cleared Software Engineer needed to join our client, an established defence engineering firm based in London. As a Senior Engineer you play a pivotal role in designing, developing and maintaining the critical...

RoleSenior Software Back End DeveloperFTC - 6 MonthsManagerLead Development ManagerLocationUK Remote (must live in UK)Role OverviewWe are looking for an experiencedSenior Back-End Developerto join an innovative and collaborative environment. In this role were building a next generation data and integration platform using Python, TypeScript and GoLang that...

NCC's Threat Intelligence engineering team is looking for a Developer to support analysts and engineers in delivering a world-class cyber threat intelligence capability.To be considered for an interview, please make sure your application is full in line with the job specs as found below.This role will do so by building, deploying, securing, monitoring, and...

This role will focus on implementing APIs and backend systems for new features to the platform.What this role will do:• Build, enhance, and scale the core application using Django and Django REST Framework, while developing and maintaining microservices with FastAPI and Pydantic to support new features and APIs.• Create robust, high-performance APIs to...

Senior Full Stack Software Engineer React | TypeScript | Python | AWS Belfast / Remote Senior-level full-stack role within a rapidly scaling US technology business Genuine end-to-end ownership across React, TypeScript, Python and AWS Cloud-native, event-driven distributed systems operating at meaningful scale Fully remote, UK-based £80,000 to £100,000 plus...

At Stint, we’re using AI tools to transform how hospitality businesses operate. We started by building the UK’s largest flexible workforce of hyper-local students available for short 2–3 hour shifts, working with brands like PizzaExpress, Pret a Manger, Gails, and many more. Now, we’re combining that workforce with an AI tool – creating a platform...

Software Engineer – Mid-Level or SeniorA fantastic opportunity for experienced Software Engineers to join a highly innovative technology company at the forefront of advanced AI research and development. Working as part of a world-class engineering team, you will help design and develop cutting-edge software solutions that tackle complex real-world...

Principal Software Engineer (London) Title of Role: Principal Software Engineer (London) Location: UK, hybrid Company Stage of Funding: Venture-Backed — AI, B2B, Software Development Office Type: Hybrid Salary: $170K–$170K Company Description We're representing a dynamic AI product incubator that is part of one of Europe's leading software investment...

We are looking for a Python Developer with strong experience in trading and risk management systems within investment banking. The role involves building backend applications and data processing logic supporting risk calculations, trade workflows and reporting. Key Responsibilities Develop and enhance Python-based applications for trading and risk use...

Senior Software Engineer (Platform & DevOps) About the Role We are looking for a pragmatic Software Engineer to help build and scale our computational drug discovery platform. You will develop the core platform, automate infrastructure, and ensure our workflows are reproducible, reliable, and production-ready. This is a hands-on engineering role that spans...

Software Engineer - SC - Cheltenham(Hybrid) - £75,000 Are you a Software Engineer who enjoys solving complex technical challenges? Do you want to work on cutting-edge technology that supports critical national missions in a highly secure environment? We're looking for an experienced Software Engineer to join a growing engineering team delivering secure,...