Fastapi Python Developer Jobs in UK

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Full Stack Engineer

Full Stack Engineer (Founding Team) We are representing an early-stage AI technology startup. After successfully validating their core technology with a high-performance prototype, they are looking for their first core engineering hire to lead the transition to a flagship SaaS platform. ...

Machine Learning Engineer

CONTRACT OPPORTUNITY – DATA SCIENTIST / MACHINE LEARNING SCIENTIST Location: Blackfriars, London (3 days onsite / 2 days remote) We’re looking for experienced Data Scientists / ML Scientists with strong hands-on experience building and deploying Agentic AI systems in production environments. </ ...

Machine Learning Engineer

CONTRACT OPPORTUNITY – DATA SCIENTIST / MACHINE LEARNING SCIENTIST Location: Blackfriars, London (3 days onsite / 2 days remote) We’re looking for experienced Data Scientists / ML Scientists with strong hands-on experience building and deploying Agentic AI systems in production environments. </ ...

Machine Learning Engineer Hybrid Remote

CONTRACT OPPORTUNITY – DATA SCIENTIST / MACHINE LEARNING SCIENTIST Location: Blackfriars, London (3 days onsite / 2 days remote)We’re looking for experienced Data Scientists / ML Scientists with strong hands-on experience building and deploying Agentic AI systems in production environments. ...

Machine Learning Engineer (hybrid or remote)

CONTRACT OPPORTUNITY – DATA SCIENTIST / MACHINE LEARNING SCIENTIST Location: Blackfriars, London (3 days onsite / 2 days remote)We’re looking for experienced Data Scientists / ML Scientists with strong hands-on experience building and deploying Agentic AI systems in production environments. ...

Machine Learning Engineer Fully Remote

CONTRACT OPPORTUNITY – DATA SCIENTIST / MACHINE LEARNING SCIENTIST Location: Blackfriars, London (3 days onsite / 2 days remote)We’re looking for experienced Data Scientists / ML Scientists with strong hands-on experience building and deploying Agentic AI systems in production environments. ...

Machine Learning Engineer (Remote)

CONTRACT OPPORTUNITY – DATA SCIENTIST / MACHINE LEARNING SCIENTIST Location: Blackfriars, London (3 days onsite / 2 days remote)We’re looking for experienced Data Scientists / ML Scientists with strong hands-on experience building and deploying Agentic AI systems in production environments. ...

Remote Machine Learning Engineer

CONTRACT OPPORTUNITY – DATA SCIENTIST / MACHINE LEARNING SCIENTIST Location: Blackfriars, London (3 days onsite / 2 days remote)We’re looking for experienced Data Scientists / ML Scientists with strong hands-on experience building and deploying Agentic AI systems in production environments. ...

Developer

Role Details Role / Job Title: Developer Work Location: Exeter Mode of Working: Hybrid Hybrid Requirement: 3 days a week The Role Delivering projects and support work for UK based Utility client with Oracle C2M technology. Knowledge in CC&B and MDM Solution Design will be good to have. Agile methodology knowledg ...

Developer

Role Details Role / Job Title: Developer Work Location: Exeter Mode of Working: Hybrid Hybrid Requirement: 3 days a week The Role Delivering projects and support work for UK based Utility client with Oracle C2M technology. Knowledge in CC&B and MDM Solution Design will be good to have. Agile methodology knowledg ...

Developer

Blackapple Solutions Ltd (BSL) was founded in 2004 with the mission to provide best-in-class technology consulting and services across the globe. BSL offers its services in Information Technology, Enterprise Resource Planning (ERP) and Engineering consulting, with the mission of becoming internationally re ...

Developer

Developer We are looking for aWCS/WMS Software Developer with strong experience in warehouse automation, logistics technology, and high-level software engineering. This is a hands-on role working across complex engineering projects, system integrations, and new product development within th ...

Developer

Developer Role:This is an exciting opportunity to join a small, diverse, and dynamic team with a start-up mindset in an established investment manager. We are looking for a keen developer who wants to help drive and shape the future technology direction and contribute to ...

Developer

We are growth consultants. We are obsessed with finding ways to help our customers grow sustainably whether that’s focused on their revenue, brands or impact on the world. Everything we do is driven by data and embraces technology. We employ close to 4,000 people globally ...

Developer

Sanctuary is one of the UK’s leading providers of housing, care and community services. With around 13,000 employees, we maintain a culture where diversity is valued and talent is nurtured and rewarded. <p style=mar ...

Developer

We are looking for aWCS/WMS Software Developer with strong experience in warehouse automation, logistics technology, and high-level software engineering. This is a hands-on role working across complex engineering projects, system integrations, and new product development within the intralogistics and ...

Developer

Annual salary: up to £45,000.00Integration Developer Location: Remote (UK Based)Contract: Full time, Permanent, 40 hours per week, 8:30am – 5pm, Monday to FridaySalary: Up to £45,000 plus benefits We are seeking a hands‑on Integration Developer with recent, pro ...

Developer .

Finalto is a global leader in liquidity provision and trading technology solutions, serving institutional and B2B clients across financial markets worldwide. With regulated entities in the UK, Singapore, Cyprus, Australia, and the UAE, and additional operational teams in Denmark and Bulgaria, we combine internat ...

Developer

Registered office address: 9 Appold Street, London, EC2A 2AP.Registered in England and Wales ICSG Ltd trading as Acacium GroupCompany registration number 7268397</ ...

Developer

We are growth consultants. We are obsessed with finding ways to help our customers grow sustainably whether that’s focused on their revenue, brands or impact on the world. Everything we do is driven by data and embraces technology. We employ close to 4,000 people globally ...

Developer

Sanctuary is one of the UK’s leading providers of housing, care and community services. With around 13,000 employees, we maintain a culture where diversity is valued and talent is nurtured and rewarded. <p style=mar ...

Developer

Annual salary: up to £45,000.00Integration Developer Location: Remote (UK Based)Contract: Full time, Permanent, 40 hours per week, 8:30am – 5pm, Monday to FridaySalary: Up to £45,000 plus benefits We are seeking a hands‑on Integration Developer with recent, pro ...

Developer

Developer Role:This is an exciting opportunity to join a small, diverse, and dynamic team with a start-up mindset in an established investment manager. We are looking for a keen developer who wants to help drive and shape the future technology direction and contribute to ...

Developer

Registered office address: 9 Appold Street, London, EC2A 2AP.Registered in England and Wales ICSG Ltd trading as Acacium GroupCompany registration number 7268397</ ...

Principal Engineer

Principal Engineer - Series A Scale Up - Up to £270,000 I'm currently looking for a Principal Engineer to join a high-growth, YC-backed AI startup based in London. It's a hands-on IC role focused primarily on scalable backend sys ...

Prinicpal Software Engineer

Principal Software Engineer London - Hybrid Up to £140k + bonus We're working with a profitable, engineering-led fintech that builds software used by investment firms to manage reporting, data, and client-facing outputs. Their platform ...

Back End Developer

Job Title: Senior Back End Developer (Python) Location: London | Hybrid (2–3 days office) This Senior Back End Developer role will shape a brand-new data platform designed to support complex decision-making for major global organisations. This is a greenfield data-driven pro ...

Back End Developer

• Job Title: Senior Back End Developer (Python)• Salary Range: £100,000 – £120,000 + Bonus • Location: London | Hybrid (2–3 days office) This Senior Back End Developer role will shape a brand-new data platform designed to support complex decision-mak ...

Back End Developer

• Job Title: Senior Back End Developer (Python)• Salary Range: £100,000 – £120,000 + Bonus • Location: London | Hybrid (2–3 days office) This Senior Back End Developer role will shape a brand-new data platform designed to support complex decision-mak ...

AI Driven Python Backend Engineer

Python Software Foundation is seeking a Back-end Python Developer (AI) for a remote role in the UK. This position offers an excellent opportunity to work with an innovative AI tech organization. The ideal candidate will have over 2 years of experience in Python coding, API development, and a good understanding o ...

Software Developer Commissioning Team

NuclearPermanent / DigitalBridgwaterUnited Kingdom13/05/26On siteABOUT ASSYSTEM️ About AssystemAt Assystem, our mission is to accelerate the energy transition worldwide. Our 8,000 Switchers blend historical engineering expertise with cutting-edge digital technologies to drive this change. Join us in revolutioniz ...

Senior Python Engineer Security & Full Stack, Remote

A dynamic startup is seeking a Senior Python Developer to design and develop security-focused products. You will work on full-stack applications, integrating APIs, and enhancing cloud security features. This role offers opportunities for professional growth, project leadership, and collaborative teamwork. Ideal ...

Developer Experience Engineer — Build DevTools & CI Speed

A technology firm specializing in AI systems seeks a skilled developer in London. You will enhance internal developer tools to boost productivity, requiring expertise in Python and experience with Docker and Kubernetes. The role allows for some work-from-home flexibility, but candidates must be adaptable for mee ...

Quantitative Developer Hybrid Working Up to £300,000 Base (+ Bonus)

Quantitative Developer - Hybrid Working - Up to £300,000 Base (+ Bonus) Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Hunter Bond Senior Quantitative Technology Consultant at Hunter Bond Quantitative Developer (C++ o ...

Software Developer (SFIA 5) SC / Newcastle CEA

Software Developer - SC cleared Permanent Hybrid (willing to travel to Newcastle) Python AI BPSS We are looking for Software Developers with strong Python and AI experience to work at an early stage alongside enterprise architects and senior engineers. You will help research, design and prototype the fou ...

Senior Python Engineer AI Model Training (Remote)

Prolific is seeking a Senior Python Developer in the City of Edinburgh to join our Expert Network. You will contribute to training and evaluating AI models while ensuring code accuracy and adherence to Python best practices. The position offers a competitive pay rate of up to $50/hr and flexible workin ...

Quantitative Developer Hybrid Working Up to £300,000 Base (+ Bonus)

Quantitative Developer (C++ and/or Python) Client: Elite Algorithmic Market Making Firm (HFT) Compensation: Up to £300,000 Base + Bonus Location: London (Hybrid) Overview An elite algorithmic market making firm is seeking a talented Quant ...

Quantitative Developer – Up to £200,000 + Bonus + Benefits

Python Quantitative Developer London (Hybrid) Up to £200,000 + Bonus + Full Benefits Below, you will find a complete breakdown of everything required of potential candidates, as well as how to apply Good luck. The Opportunity Jo ...

Remote Python Backend Engineer (Django)

A leading tech recruitment company in the UK is seeking a fully remote Python Developer. The role involves significant ownership of scalable backend applications. Ideal candidates will have over 4 years of development experience, strong skills in Python and Django, as well as familiarity with JavaScript, jQuery, ...

Senior II Engineer

About 9fin 9fin is the AI platform powering global debt markets — the world’s largest asset class at over $145 trillion. Debt markets are vast, global, and mission‑critical, yet still run on fragmented data, PDFs, and manual workflows. 9fin replaces this broken infrastructure with a singl ...

Developer Experience Engineer Bazel & Monorepo, Hybrid UK

A leading technology company in the UK is seeking a Software Engineer to join their Developer Experience team. The role involves enhancing developer workflows, optimizing Bazel builds, and managing CI/CD pipelines. Ideal candidates will have over 5 years of experience in Infrastructure Engineering, proficiency i ...

Developer Support Engineer: AI Tools & Observability

A leading AI observability platform is seeking a Developer Support Engineer to help developers overcome challenges in their projects. The position requires 3-8 years of experience supporting developer tools, strong coding skills in Python or TypeScript, and excellent communication. You will troubleshoot issues, ...

Backend Engineer, Developer Experience & Platform Tools

UserTesting is seeking an experienced backend engineer to join the Developer Experience team in Edinburgh. You'll build and maintain backend services while improving workflows and CI/CD processes to facilitate efficient software delivery for engineers. Ideal candidates will have solid backend development experie ...

React Django Developer Slough in London Quant Capital

Job Opportunity: React Django Developer Our client, a well-known global quantitative risk management and market data business, is seeking a React Django Developer to join their team. The ideal candidate will be responsible for contributing to the development of sound software development processes a ...

Senior Software Engineer

Overview Senior Software Engineer (React Native / Full Stack) — Up to £60,000 We’re working with a growing, product-led technology business that’s investing heavily in building a unified digital platform used across multiple services and customer touchpoints. They’re now looking for a Senio ...

Full Stack Engineer

Responsibilities Working in a team with technical and non-technical colleagues to design and build product features that add value to our customers Working across the stack (back-end focus) and writing clean, well-tested code Own significant parts of our product architecture ...

Full Stack Engineer (£70,000 + Equity) at Loxa

Job Title Full Stack Engineer Salary £70,000 + Equity Company Description Loxa - Fast-growing insurtech transforming retail product protection Job Description Join a high-growth startup as a defining member of the engineering team. You will bu ...

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    Fastapi Python Developer Jobs in United Kingdom Job Search Guide, Trends and Insights