Fastapi Python Developer Jobs in UK

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Python Developer Backend or Full Stack London Hybrid

Our client is building AI products that automate complex, document-heavy workflows for financial services businesses - and they’re looking for ambitious Software Engineers to help scale the platform. This is the kind of environment where engineers ship fast, solve real problems, and see their work ...

Software Developer (Python) Up to £140,000 + Bonus + Package

Role: Software Developer (Python) - Up to £140,000 + Bonus + Package Salary: Up to £140,000 + Bonus + Package Location: London (Hybrid Working) Skills: Python as a main language This firm is an elite te ...

Python Software Developer — Build scalable APIs (Hybrid, London)

Corriculo Ltd is seeking a Software Developer with strong Python skills for a hybrid role based in London. In this position, you will design and maintain internal applications and automation tools to improve business efficiency. The ideal candidate will have experience in both front-end and back-end de ...

Hybrid/Remote Lead Python Full Stack Developer Vue.js

Syntax Consultancy Ltd is looking for a Python Full Stack Developer for a 6-month contract in Leeds. This role offers hybrid working, with 3-4 days remote and 1-2 days on-site. The ideal candidate will have strong expertise in Python and frontend technologies like Vue.js, and will lead design and devel ...

Python Counterparty Credit Risk Senior Developer, Vice President

## Python Counterparty Credit Risk Senior Developer, Vice PresidentApplyremote type: Hybridlocations: London United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: The Analytical Calculation Engine (ACE) Development Team is a group within Citi Financial Risk Technology, responsib ...

Senior Python Risk Developer, VP — Counterparty Credit (Hybrid)

Citibank (Switzerland) AG is looking for a Python Counterparty Credit Risk Senior Developer in London. This role focuses on the development and maintenance of applications for derivatives credit risk and exposure calculations. The successful candidate will interface with Quant and Front Office technolo ...

Full Stack React / Python Developer in London Student.com

Job Purpose We are looking for a talented Full Stack Next.js / Python Developer with expertise in Python, mySQL, React, React Native, and Next.js and Typescript to join our dynamic team. The ideal candidate should have a strong background in building... Requirements Proven ...

Python Developer for Finance Tools Full Time, London

Java Script Works is seeking a full-time Python Developer in London, United Kingdom. The role involves developing tools using a diverse technology stack including Python, React, SQL Server, and Kafka. Candidates should be skilled in Python and React, with additional knowledge of SQL Server and Java being preferr ...

Application python developer fund in London Oxford Knight

Application python developer - fund London, United Kingdom Technology Stack React SQL Server Kafka Java Python With a diverse technology stack, including Python , React, SQL Server, Snowflake, Java, and Kafka, ...

Python Developer for AI/ML in AIOps | Hybrid

CGI is looking for a Python Developer in Wideopen to contribute to its Emerging Technology Practice. In this role, you will advance CGI's AIOps platform by building secure, scalable Python services and enhancing observability with AI/ML components. The ideal candidate will have strong Python developmen ...

Lead Python Web Developer in London Quant Capital

Lead Python Web Developer London, United Kingdom Posted 11 months ago Tech stack Python Django Analyst web Investment Framework Derivatives C JavaScript Development Experience < ...

Python Developer Quant Trading in London Quant Capital

Python Developer Quant Trading London, United Kingdom Posted 11 months ago Quant Capital Quant Capital is urgently looking for a Python C# Developer to work for our high profile Hedge Fund. Tech Stack Python C# Quantitative </l ...

Senior Full Stack Python Developer — Django, AI & HealthTech

A professional services provider is looking for a Full-stack Python Web Developer to design, develop, and maintain their platform’s components. The ideal candidate will have over 7 years of experience in software development, with strong skills in Python (Django), MongoDB, and API integration. This full-time pos ...

Cloud First Full Stack Developer (AWS, .NET & Python)

A growing Lloyd’s Insurer in Greater London is seeking a Full-Stack Developer. The role involves building and maintaining AWS-based applications, developing cloud-native software solutions using Python and C#, and integrating systems with AWS tools. Ideal candidates will have strong experience in software develo ...

Python Developer (Mid) – AWS, CI/CD, UK Security

A growing software consultancy is seeking a Mid-Level Python Developer in Manchester. This role involves designing, developing, and testing software, primarily in Python, and engaging with AWS solutions while collaborating in an agile team. Ideal candidates will have over 4 years of experience with CI/CD methodo ...

API Developer: Go/Python in Finance — Hybrid (Sheffield)

Talent Smart Limited is seeking an experienced API Developer (Golang/Python) in Sheffield to work on high-performance APIs for a leading financial services organisation. You'll design and integrate robust APIs, collaborating with Front End teams and contributing to architecture decisions. Strong experience in AP ...

Senior Python Developer | Series B Fintech | Flexible Working |

Senior Backend Engineer (Python / Distributed Systems) London / Hybrid We’re partnering with a high-growth fintech building critical infrastructure for institutional financial markets. Their platform processes billions in daily tra ...

Lead Software Engineering Python Front Office Quant Developer

Join us and make a real impact in a high-energy front office role where your ideas shape the future of trading and investment strategies. You will collaborate with talented developers, quants, and traders, working on exciting projects that help clients implement their strategies. We value your expertise and o ...

Lead Software Engineering Python Front Office Quant Developer

Join us and make a real impact in a high-energy front office role where your ideas shape the future of trading and investment strategies. You will collaborate with talented developers, quants, and traders, working on exciting projects that help clients implement their strategies. We value your expertise and o ...

Python Counterparty Credit Risk Senior Developer, Vice President

The Analytical Calculation Engine (ACE) Development Team is a group within Citi Financial Risk Technology, responsible for developing and implementing the applications used for derivatives credit risk and exposure calculations Firm-wide.The team's primary focus is the development, testing, deployment, ...

Senior Full Stack Developer (Python) Networks, Vice President

Job Description Networks as a Service (NAAS) is seeking a highly skilled senior level developer with network infrastructure experience add to our development team. Your goal is to deliver products to our global network team which will assist with the transformation to an automated network ...

Graduate / Junior Developer, Python, Linux, C#, Java – London

Graduate / Junior Developer, Python, Linux, C#, Java – London(Teck stack: Graduate / Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate / Junior Developer)Since 2006 our client’s revolutionary marketing software platform has been helping business ...

Senior Python Engineer AI PropTech Backend (Hybrid)

An innovative property management firm is seeking a Senior Python Engineer to join their engineering team in London. You will design and build backend systems, integrating AI models into production. This role requires expertise in Python and frameworks like FastAPI or Flask, along with experience in cloud platfo ...

Software Engineer

I'm working on a genuinely interesting product focused engineering role with a fast growing AI driven data platform operating in one of the largest global financial markets. This is not a maintenance heavy environment. The team are building real systems from scratch APIs data pipelines automation an ...

Senior Backend Python Engineer & VP Level AI Risk Lead

Citi is seeking a Senior Python Software Engineer to architect and implement backend systems that power advanced AI tools. This role will involve automating data analysis and structuring knowledge in a Credit Risk Domain knowledge graph. Candidates should possess strong skills in Python and FastAPI, an ...

Senior Software Engineer (AI HealthTech) Up to £100k + Bonus + Equity FULLY REMOTE

Senior Software Engineer (AI HealthTech) - Up to £100k + Bonus + Equity - FULLY REMOTE Client: AI HealthTech Scale-Up – Backed by Top‑Tier Investors, Led by World‑Class Engineers Salary: Up to £100k + Bonus + Equity Location: Remote (UK‑based) with an optio ...

Python AI Engineer PropTech London (onsite)

Job Description Lead Python Engineer | AI, Python, FastAPI, Django, Microservices, APIs, Cloud | London | up to £130k + EquityBuild AI-powered systems that automate real-world workflows at scale.This is an opportunity to join a fast-growing AI startup building ...

Python AI Engineer PropTech London (onsite)

Job Description Lead Python Engineer | AI, Python, FastAPI, Django, Microservices, APIs, Cloud | London | up to £130k + EquityBuild AI-powered systems that automate real-world workflows at scale.This is an opportunity to join a fast-growing AI startup building ...

Senior Backend Engineer — AI Platform & Growth (London)

W Talent is seeking a Senior Backend Engineer in London to enhance our AI platform. In this role, you will design and develop scalable backend services using Python, FastAPI, and Django, while ensuring high performance and security practices. You will have significant autonomy and contribute to architectural dec ...

Senior Python Engineer AI Training & Code Review (Remote)

Prolific is seeking Senior Python Developers for their Expert Network to assist in training and evaluating cutting-edge AI models. This role offers an opportunity to collaborate on innovative projects and contribute to the advancement of AI capabilities. The ideal candidate should have a BSc in Compute ...

Senior Python & AI Backend Engineer — On‑Site London

SGI, a fast-growing AI startup in Central London, is seeking a Senior Backend Python & AI Engineer to build secure and high-performance backend systems for healthcare operations. This full-time role requires 5+ years in backend engineering and experience with Python frameworks such as FastAPI, Django, or Flask. ...

Back End Developer (DV Cleared)

DV Cleared Backend DeveloperLocation: UK WideClearance: DV clearance requiredSector: Defence & National SecurityRole SummaryOur client is seeking DV cleared Backend Developers to support high impact Defence and Security programmes. You will design, build and operate se ...

Software Engineer (Integrations)

Alpha is a leading language service provider (LSP), with a global presence and a commitment to delivering cutting-edge tech-driven solutions. We are seeking a highly skilled and motivated developer to join our team. This is an exciting opportunity to work on impactful projects, leveraging modern technologi ...

Software Engineer (Integrations)

Alpha is a leading language service provider (LSP), with a global presence and a commitment to delivering cutting‑edge tech‑driven solutions. We are seeking a highly skilled and motivated developer to join our team. This is an exciting opportunity to work on impactful projects, leveraging modern technologi ...

AWS/Python Software Engineer

We’re looking for a talented and proactive AWS/Python Software Engineer to join our data engineering team. You will be designing and building data systems, APIs, and event-driven services that power Citywire’s global products. We prototype fast, ship often, and iterate quickly, but we also know whe ...

AI‑First Product Engineer — Build Multimodal Agent Systems

A leading AI startup in London is seeking a Product Engineer to join a dynamic team focused on innovative AI solutions. This role involves building scalable systems using modern technologies like FastAPI and React, shaping user interfaces for agent collaboration, and defining technical strategies. The ideal cand ...

Remote Senior Python Engineer — Public API & AI Backend

Photoroom is seeking a Senior Python Engineer for its Public API team. The role involves designing and evolving our public API product, crucial for accessing Photoroom's AI capabilities. Candidates should have strong backend experience in Python and skills in API design, particularly with FastAPI. The position s ...

Backend Engineer (£100k £200k + Equity) at early stage AI EdTech startup

Job Title Backend Engineer Salary £100k-£200k + Equity Company Description Early-stage AI EdTech startup Job Description As the founding backend engineer, you will architect and build a mission‑critical platform from the ground up using Python ...

AI Engineer

Compensation: Competitive salary + meaningful equity Team: Working directly with founders and early engineering team Overview We’re building AI-powered products that solve complex real-world problems using large language models and modern machine le ...

Lead Python Engineer – Cloud Native Systems & Architecture

Velocity Tech is seeking a Lead Software Engineer based in Greater London to design and deliver scalable cloud-native systems. This hands-on leadership role involves shaping architecture, leading engineering efforts, and mentoring a talented team. The ideal candidate will have over 7 years of experience as a Sen ...

Full Stack Engineer

Full Stack Engineer Hybrid (London, Cambridge, or Bristol – 3 days per week) Up to £100,000 + 5% Bonus + Benefits Overview Are you a talented Full Stack Developer looking to work at the forefront of AI and software innovation? We’re partnering with a leading international la ...

Python Engineer

Role: Python EngineerLocation: Belfast, UK, Hybrid role but you must be available to work a minimum of 2 days per week in the Belfast office.The RoleYou will be key member for designing, developing, testing, and maintaining backend services and microservices that power enterprise applicat ...

Python Engineer

Join to apply for the Python Engineer role at LinkedTrade Join to apply for the Python Engineer role at LinkedTrade Are you a passionate Python developer looking for your next challenge? LinkedTrade Technologies Ltd, a leadi ...

Python Engineer

Role Highlights: Position: Python Engineer Location: Remote within the UK Employment Type: Permanent Compensation: Competitive market salary plus equity options Overview: An innovative EdTech start-up is seeking a skilled P ...

Python Engineer

Overview Role: Python Engineer Location: Belfast, UK Careers at TCS: It means more TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful diffe ...

Python Engineer

We have a fantastic new opportunity to join our team at Smartodds as a Python Engineer. Based in North London, Smartodds provides in-depth research and analysis on sporting events around the world, supported by world‑class, bespoke software platforms. We are proud of our collaborative and dynamic c ...

Python Engineer

We have a fantastic new opportunity to join our team at Smartodds as a Python Engineer. Based in North London, Smartodds provides in-depth research and analysis on sporting events around the world, supported by world-class, bespoke software platforms. We are proud of our collaborative and dynamic c ...

Python Engineer

About Lendable Lendable is on a mission to build the world's best technology to help people get credit and save money. We're building one of the world’s leading fintech companies and are off to a strong start: One of the UK’s newest unicorns with a team of just over 700 people ...

Python Engineer

Salary: up to £200k base + bonusSummaryMy client is a leading global quant firm looking for a no-nonsense technologist to join one of their growing quant trading teams based in London. This team is one of the most experienced and profitable at the company.Collabo ...

Python Engineer

We have a fantastic new opportunity to join our team at Smartodds as a Python Engineer.  Based in North London, Smartodds provides in-depth research and analysis on sporting events around the world, supported by world-class, bespoke software platforms.We are proud of our collaborative and dyna ...

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