Fastapi Python Developer Jobs in UK

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Hybrid Data Scientist (Finance) — Python & ML

Stars Arena is looking for a Data Scientist to join their team in London. In this full-time, hybrid role, you will develop advanced statistical and machine learning models specifically tailored for the financial sector. A strong proficiency in Python and hands-on experience in model development are essential. Th ...

Client‑Facing Cloud Engineer (Go/Python)

Thought Machine is seeking a Forward Deployed Engineer to collaborate with client teams on implementing Vault products. This role involves writing production-level code primarily in Python/Go, overseeing technical project delivery, and serving as a trusted client contact. Essential qualifications include experie ...

Cyber Security Automation Engineer — Python & Cloud

Aviva is hiring a Cyber Security Specialist to join their Automation and Orchestration team. Based in the UK, the role involves leveraging Python development skills to enhance cyber security. Candidates should possess experience with API integration, SQL Server, and understanding of cloud platforms. The position ...

Healthcare AI Software Engineer (Python) Equity

A stealth healthcare AI startup in the United Kingdom is seeking a Software Engineer to deploy AI systems in healthcare, focusing on patient communication, triage, and secure data layers. The ideal candidate will have proven experience with Python and enterprise-grade systems. Responsibilities include integratin ...

Remote Python Code Annotator & Quality Analyst

A technology consulting firm is seeking an Exceptional SWE Annotator to evaluate and annotate code snippets for accuracy and quality. This role requires strong programming skills in multiple languages and analytical abilities. Work is fully remote with flexible hours. Ideal candidates should have a degree in Com ...

Senior Fullstack Python Engineer – Disrupting Utlilities

Job Description The Role As a senior python engineer you will join a start up where the culture of delivery, agile and accountability is second nature. You’ll join a small team where everyone in the business has an impact on a daily basis and you are given accountability for ...

Senior Python Data Scraping Engineer (Freelance)

Mindrift is looking for highly skilled Senior Python Data Scraping Engineers to join the Tendem project and drive specialized data scraping workflows within our hybrid AI + human system. In this role, as an AI Pilot – that’s how we refer to this role at Mindrift – you’ll collaborate wi ...

Physics & Python Expert Freelance AI Trainer

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not ...

Senior Fullstack Python Engineer – Disrupting Utlilities

Job Description The Role As a senior python engineer you will join a start up where the culture of delivery, agile and accountability is second nature. You’ll join a small team where everyone in the business has an impact on a daily basis and you are given accountability for ...

Senior Python Data Scraping Engineer (Freelance)

Mindrift is looking for highly skilled Senior Python Data Scraping Engineers to join the Tendem project and drive specialized data scraping workflows within our hybrid AI + human system. In this role, as an AI Pilot – that’s how we refer to this role at Mindrift – you’ll collaborate wi ...

Physics & Python Expert Freelance AI Trainer

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not ...

Python Engineer, Index Fixed Income, Associate

**About this role** **Job Purpose/Background:** The Index Fixed Income (IFI) team has responsibility for managing Blackrock’s Index Fixed Income portfolios, including Exchange Traded Funds (ETFs), mutual funds, & segregated mandates. The IFI team liaises closely with many areas of Fixed Income ...

Front Office Python Dev, Investment Banking

London | Investment Banking | Front Office | Hybrid Working Our leading Investment Banking client is looking for a Python Developer to join a front office technology team focused on delivering scalable solutions across Equity & Fund Structured Products. This is a hands-on role ...

Senior Software Engineer Python / hx Renew

**Who Are We?** Taking care of our customers, our communities and each other. That’s the Travelers Promise. By honoring this commitment, we have maintained our reputation as one of the best property casualty insurers in the industry for over 170 years. Join us to discover a culture that is rooted in inn ...

Senior Software Engineer Python / hx Renew

**Who Are We?** Taking care of our customers, our communities and each other. That’s the Travelers Promise. By honoring this commitment, we have maintained our reputation as one of the best property casualty insurers in the industry for over 170 years. Join us to discover a culture that is rooted in inn ...

Full Stack Engineer (£60k £80k + Equity) at Lichen AI

Job Title: Full Stack Engineer Salary: £60k-£80k + Equity Location: Cambridge, UK Company Description: Lichen AI - Early‑stage agentic platform for AI discovery Job Description: As the first full‑time engineer, you will transform a wor ...

Product Engineer (£60 90k + Equity) at Keith

Product Engineer Salary: £60-90k + Equity Company: Keith - AI-native legal tech startup backed by £2M seed funding Location: London, UK Job Description: Join the founding engineering team at Keith to disrupt the £19B legal services market. A ...

Founding Product Engineer (£80k £120k + Equity) at Fleetcraft

Job Title Founding Product Engineer Salary £80k-£120k + Equity Company Description Fleetcraft - Susa Ventures backed aerospace startup Job Description Join as the third founding engineer at a $3.2M seed-stage startup backed by Susa Ventures an ...

Full Stack Engineer

Full Stack Engineer – AI Startup – Up to 85k If you are considering sending an application, make sure to hit the apply button below after reading through the entire description. Salary: £60,000 - £85,000 + meaningful equity Location </ ...

Full Stack Engineer

About the Role We are looking for a full stack engineer who wants to help shape the future of private equity and our company. As an early stage engineer you will: Work directly with our founding team. Help design our application architecture. Ship features that o ...

Gen AI Engineer

Type : 1 year Fixed Term Contract (Chance for Extension) Location : London / Dublin / Belfast Core AI/ML Foundations: Strong foundational knowledge in GenAI , Machine Learning (ML modeling), Data Science, Statistics, and AI fundamentals, including Natural Lan ...

AI Engineer Financial Services

Brand new roleWork on groundbreaking AI projectsAbout Our ClientOur client is in the Financial Sector and is looking to grow their team with a new AI Engineer. The role is hybrid with 2 days in Central London, 3 days at home. This is a brand new role in the AI team of 20 ...

AI Engineer Financial Services

Brand new roleWork on groundbreaking AI projectsAbout Our ClientOur client is in the Financial Sector and is looking to grow their team with a new AI Engineer. The role is hybrid with 2 days in Central London, 3 days at home. This is a brand new role in the AI team of 20 ...

Quantitative Developer — Real Time P&L & Risk (London)

A global asset management firm is seeking a Quantitative Developer based in the UK to enhance our trading and risk management systems. The successful candidate will play a crucial role in developing real-time P&L and risk systems while collaborating with cross-functional teams. Ideal applicants will have over 5 ...

Staff Software Engineer Build Provenance & CI/CD Security

A tech company in the United Kingdom is seeking a backend developer to build infrastructure for software supply chain trust and provenance. This role involves designing and building systems that provide complete traceability from source code to deployment, with a focus on large-scale data challenges and ensuring ...

Senior Backend Engineer — Scalable AI Security Platform

A cutting-edge cybersecurity firm in London is seeking a Senior Software Engineer to lead complex projects focused on developing scalable backend systems and ML tools. The ideal candidate will possess at least 7 years of experience, particularly in Python and cloud services like AWS. Responsibilities include man ...

Software Engineer (Gloucester) – Python, APIs & Frontend

A small software company in Gloucester is seeking a Software Engineer to collaborate with cross-functional teams, develop software solutions, and contribute to API development. The ideal candidate has expertise in HTML, CSS, RESTful APIs, and backend technologies such as Python and MySQL. This full-time role off ...

MMM Data Scientist, Bayesian, Python, Pymc

Overview Leading pharmaceutical client now requires a Senior Data Scientist to drive marketing effectiveness via marketing mix modelling and other models. This role will oversee data collection, extraction, manipulation, analysis and validation ensuring data is ready for modelling. You will work c ...

Senior Python & AWS Engineer Microservices Lead

A leading recruitment agency is seeking a Senior Python Software Engineer with strong AWS experience to design and scale Ad-Tech systems. The role involves leading complex delivery of Python-based microservices, mentoring engineers, and improving production systems. Ideal candidates should have profound knowledg ...

Python ML Engineer — Automation & REST APIs

McGregor Recruitment seeks an experienced Python ML Engineer to join a global enterprise technology team in Glasgow. In this onsite role (3 days per week), you will focus on designing scalable automation solutions, collaborating with engineering teams to implement workload orchestration, and developing REST APIs ...

Senior Python Tech Lead Cloud & Microservices

Us3 Consulting is looking for a Senior Technical Lead to manage a technical team in the development of Python solutions on cloud platforms. The role involves leading innovation and ensuring technical feasibility while delivering high-quality software. Candidates should have a strong background in Python, cloud p ...

Hybrid Python Software Engineer – Cloud & Automation

A leading energy provider in the UK is seeking a skilled Python Software Engineer to design, build, and manage software platforms. You will work in a collaborative environment focusing on automation and system optimization. This role offers a competitive salary between £55,000 – £67,000 per annum along with nume ...

AI Azure Developer in Elland A SAFE GROUP

AI Azure Developer Elland, United Kingdom Posted 9 months ago Tech stack Azure GraphQL GitHub Artificial Intelligence REST Python C Java API Below is a snippet of the jo ...

Junior Trade Desk Developer in London Quant Capital

Junior Trade Desk Developer Quant Capital London, United Kingdom Posted about 1 year ago This is a job posted by our partner Jooble Tech stack Java Python STEM Below is a snippet of the job description. To read the fu ...

ML Ops Engineer

Job Title: ML Ops / LLM Ops EngineerLocation: Hybrid (potentially 1 day per week in east London)Contract: 6 month ContractDay Rate: £400 per day (Outside IR35) About the RoleWe are seeking an experienced ML Ops / LLM Ops Enginee ...

ML Ops Engineer

Job Title: ML Ops / LLM Ops EngineerLocation: Hybrid (potentially 1 day per week in east London)Contract: 6 month ContractDay Rate: £400 per day (Outside IR35) About the RoleWe are seeking an experienced ML Ops / LLM Ops Enginee ...

Machine Learning Engineer

This range is provided by TechShack. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from TechShack Recruitment Consultant at TechShack London. Machine Learning Engineer | ...

Full Stack Engineer

Full Stack Engineer This is a remote-first opportunity, but candidates must reside in the UK for at least 11 months of the year. Full Stack Engineer - AI & Data Integration Do you want to build data-powered software that delivers re ...

Node.js Backend Engineer Build Scalable, Secure APIs

A recruitment agency in the tech sector is seeking a Back End Developer (Node.js) for a leading cybersecurity client in the UK. In this role, you will design and maintain scalable APIs, enhance data feeds, and ensure secure integrations. The ideal candidate has a bachelor’s degree in Computer Science and over th ...

Senior Software Engineer

Overview Software Engineer (Python/Django) | up to £85,000 | Hybrid | HealthTech. An exciting AI HealthTech start-up, featured in the Sunday Times and BBC News, is rapidly growing across the UK, Europe and US. This role is key: you will own, improve and grow backend apps during a period of high sc ...

Blockchain Developer Ethereum/ TypeScript/ JavaScript/ Web3 Blockchain & AI Start up £100k

Opus Recruitment Solutions provided pay range This range is provided by Opus Recruitment Solutions. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Opus Recruitment Solutions <h ...

Front End Engineer AI

Job Title: Front End Engineer - AI Location: Remote / Onsite / Hybrid Job Type: Full-time / Contract About the Role We are seeking an experienced and forward-thinking Front ...

Quantitative Data Platform & Risk Analytics Engineer

A leading global hedge fund in London is seeking a quantitative developer to manage data platforms and risk analytics systems. The ideal candidate will have 3-7 years of experience in quantitative development, strong skills in Python and SQL, and proficiency in C#. You will be responsible for monitoring services ...

Quant Developer: Build Production Algos & Data Systems

A leading financial technology firm in Greater London is seeking an exceptional Quantitative Developer to design and implement proprietary systems that drive financial strategies. The ideal candidate will have 5+ years of software engineering experience, strong fundamentals in computer science, and proficiency i ...

Senior Backend Engineer – AI Powered SaaS, Scalable

A fast-growing AI company in Greater London seeks a Back-End Developer to collaborate with the Product team and Data Scientists. You will play a key role in designing and maintaining systems for AI-powered products. The ideal candidate has 3-5 years of back-end development experience, proficiency in programming ...

Full Stack Engineer — Client Facing & Growth Oriented

A software consultancy is looking for a developer in London to engage with clients and manage projects. You'll collaborate with experienced developers and have opportunities to mentor juniors. The role demands skills in React.js or React Native and Node.js or Python, alongside strong communication abilities. You ...

Platform Engineer: Build & Scale Developer Platform

A diversified trading firm in Greater London seeks an individual with extensive experience in CI/CD systems and software development to enhance the developer experience. The role focuses on implementing and maintaining tooling for development teams and requires proficiency in Python or similar languages, as well ...

Junior C# Developer: Build Trading Platforms with Quants

An established hedge fund in Greater London is looking for a developer to work closely with quants and traders. You will build systematic trading applications and actively engage in the development of new trading platforms. Candidates should have robust knowledge of C#/.NET frameworks and some exposure to Python ...

Node.js Automation Engineer for Data & Betting (London)

A data-driven technology startup in London seeks a developer to create solutions for betting and gaming. You will work closely with data scientists to build data processing and automation software, primarily using Node.js for automation and Python/SQL for reporting. Candidates should have 2–3 years of commercial ...

Full Stack GIS Developer — Impactful Public Sector Tech

A digital transformation consultancy in the UK is seeking a Full Stack GIS Developer to design and deliver innovative solutions that tackle complex public sector challenges. You will work with an experienced team, utilizing technologies such as .NET, Java, and Python in a supportive environment that fosters care ...

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