Senior Python Engineer Fastapi Python Jobs in UK

Professional job seekers finding United Kingdom jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Lead Python Engineer – Front‑Office Loan Trading

A global financial services leader is seeking a Lead Software Engineer in Greater London. You will design, develop, and troubleshoot front-office solutions to enhance productivity. The ideal candidate should have over 5 years of experience in software engineering with a strong proficiency in Python and SQL. Resp ...

Backend API Engineer — Python, AWS & Data Pipelines

A leading advertising and communication agency in Greater London is seeking a Software Developer Back End. The role involves designing and operating scalable APIs and data systems on AWS, while leading a team. Ideal candidates should have strong Python and FastAPI skills, along with experience in CI/CD and AWS s ...

Python Engineer for Global Delta One Trading

A leading trading firm is looking for a Software Engineer with expertise in Python to join its Global Delta One team in London. The role involves collaborating directly with traders to enhance an automated trading platform, with responsibilities including developing new tools and improving existing code. Candida ...

Trading Platform Python Engineer — High Impact Tech

A diversified trading firm is seeking a skilled Software Engineer to enhance their trading platform. The successful candidate will manage proprietary trading systems, write performance-sensitive Python code, and collaborate across teams to implement effective technology solutions. A Bachelor's or Master's degree ...

Software Engineer C++/Python, Agile, Flexible Hours

A global leader in design software is seeking a Software Engineer in Cambridge, UK. In this role, you will define and develop core technologies within manufacturing and construction products. Responsibilities include collaborating with teams to prototype and maintain software components, adhering to Agile method ...

Backend Engineer, Distributed Systems (Go/Python) – Manchester

A tech-focused firm in Manchester is seeking a Junior–Mid Level Backend Software Engineer to work on critical proxy infrastructure. The role requires 1–5 years of experience with Go or Python and API development using Flask or FastAPI. You will be involved in the development of backend services and help improve ...

Python Backend Engineer — AI Platform & Systems (Equity)

A cutting-edge AI startup is seeking a Software Engineer (Python) to help build an advanced AI wealth management platform. The ideal candidate will have over 4 years of experience in Python engineering, focusing on AI platforms and backend systems. Responsibilities include developing model orchestration, scalabl ...

Full Stack Cloud Engineer – React/Python, AWS

A leading global water technology company is seeking a Full-Stack Software Engineer to develop and maintain cloud platform solutions. You'll design and implement robust features while mentoring junior engineers. This role offers competitive salary, hybrid working options, and a comprehensive benefits package, in ...

Capital Markets Cloud Engineer AWS/Snowflake/Python

A leading data service provider is seeking a Cloud Engineer for a 6-month contract based in London. The candidate must have proficiency in Python, SQL, and AWS, with a strong background in capital markets. Responsibilities include designing solutions for trading workflows and developing data pipelines using Snow ...

Backend Python Engineer: AI powered Patent Platform

A leading AI-first patent research platform in the UK seeks a software engineer to develop core features and collaborate with senior engineers. Candidates should have over 2 years of engineering experience, strong Python skills, and familiarity with Django. This position requires working onsite three days per we ...

RegTech Python Engineer — Build Solutions, Flexible Hours

A leading regulatory tech firm based in London is seeking a RegTech Engineer. In this role, you will work closely with non-technical teams to code solutions to regulatory problems. Ideal candidates will have 3-5 years of experience in Python, strong collaboration skills, and a knack for learning finance. Benefit ...

Hybrid Flood Modelling Software Engineer (Python + GIS)

A leading engineering firm in the UK is seeking an experienced Modeller to join their team. This role involves applying coding skills and hydraulic modelling expertise to tackle industry challenges, especially in flood risk and water management. Candidates should have excellent Python skills and experience with ...

Freelance Embedded Test Automation Engineer (Linux/Python)

An innovative electronics scale-up is seeking a Freelance QA / Test Automation Engineer located in the UK to implement an embedded software test automation framework from the ground up. You will collaborate with embedded software engineers in an agile environment to ensure reliable product releases. A strong bac ...

Senior Full Stack Engineer

Our client is a forward thinking, ambitious infrastructure and managed services provider in London. We are looking for a Senior Full Stack Engineer to own end-to-end delivery of critical features, and lead the team to new heights. Salary £70k to £80k plus excellent benefits Role type Permanent < ...

Backend Software Developer (Python) London £90,000 + Comps

Backend Software Developer (Python) - London - £90,000 + Comps We’re looking for a Backend Developer who thrives in dynamic environments — someone who loves clean code, scalable architecture, and being part of a team that’s pushing boundaries. What you’ll do Design, build, ...

Principal Engineer Tech Strategy for a Profitable FinTech

Principal Engineer - Lead Tech Strategy for a Profitable FinTech Scale-Up Hybrid (London) or remote within the UK Up to £140,000 per annum plus stock options Python | Django | FastAPI | AWS | Rust | Postgres | Event-Driven Arch ...

Freelance Mathematician (Python) 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 ...

Dev Ops Java/Python London

Senior Engineer in Production Management The Senior Engineer in Production Management, will be responsible for the development and overall implementation of software in a complex, critical and large cross-departmental and multi-disciplinary area. The role is part of a multi-year transformation ...

Freelance Mathematician (Python) 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 ...

Dev Ops Java/Python London

Senior Engineer in Production Management The Senior Engineer in Production Management, will be responsible for the development and overall implementation of software in a complex, critical and large cross-departmental and multi-disciplinary area. The role is part of a multi-year transformation ...

Python Developer | $85/hr Remote

Overview Role Position: Exceptional SWE Annotator Type: Hourly Contract Compensation: $85/hour Location: Remote Duration: Approximately 2 weeks Commitment: </ ...

OpenShift DevOps Lead: Automation & Python

A technology consultancy based in the United Kingdom is looking for a skilled professional to develop and manage OpenShift Container Platform Virtualization (OCPV) environments. The ideal candidate will be proficient in automation using Ansible and experienced in Python programming for automation tasks. Strong p ...

Python Developer £140,000 + Comps London

Direct message the job poster from Hunter Bond Quantitative Technology Headhunter at Hunter Bond Role: Python Developer Salary: £140,000 P/A + Bonus + Benefits Location: London Client: Top Fintech My client is a well-established and successful tech house working ...

AI Software Architect — Real Time Property Tech Innovator

A leading proptech company in Greater London seeks an AI Applied Engineer to develop and deploy AI-powered features that enhance user interaction and operational efficiency. This role requires strong Python expertise with frameworks such as FastAPI and Django, experience in AI/ML applications, and skills in inte ...

Senior Software Engineer at Ensembleanalytics.co.uk

Job Title Senior Software Engineer Company Description Ensembleanalytics.co.uk - High-growth logistics SaaS platform digitalising global port operations Job Description Join a small, high-impact team building Athena, an intelligent platform transforming workfor ...

Edinburgh Hybrid Full Stack Engineer – Build Broadband

A broadband company in Edinburgh is hiring a Full Stack Software Engineer to enhance internal systems. This role demands strong skills in Python, familiarity with frameworks like Django or FastAPI, and experience in developing RESTful APIs. Join a collaborative team dedicated to innovative broadband solutions an ...

Data Science Quant Python Fintech

Data Science Quant (Python Maths) Newcastle onsite to £150k+Are you a mathematically minded, with a first class education and strong Python programming skills? You could be progressing your career, working on complex and interesting systems at a FinTech scale-up, they have secure backing ...

Full Stack Developer Python React

Company DescriptionTalan is a global consulting group specialising in innovation and transformation through technology. For over 20 years, we have partnered with companies and public organisations to drive meaningful change.We are purpose driven, working across diverse sectors to t ...

QA / Automation Engineers (Python / Playwright)

4x Automation Engineers (Playwright & Python)Oxford or UK Remote£40000 to £60000 + Excellent BenefitsNote:• This role cannot offer Visa Sponsorship•mercial Playwright and Python experience required• Strong background in automated testing within modern software environ ...

Python Software Developer (Risk) – London

Fantastic opportunity to join a tech-driven quant and systematic IM with no red tape. They combine data, research, technology and trading proficiency to produce a scientific and innovative approach to investment. Seeking an enthusiastic software engineer to join the Risk team in London.Your primary foc ...

Freelance Mathematician (Python) 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 ...

Data Scientist Python SQL Mathematics

Data Scientist (Python SQL Mathematics) London / WFH to £60kAre you a bright, ambitious Data Scientist with Python and SQL skills seeking an opportunity to work on complex, Greenfield systems using the latest tech, whilst continually learning and improving?You could be progressing your ca ...

Python Engineering Manager, Commercial Systems

Canonical is a leading provider of open-source software and operating systems for global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation and IoT. Our customers include the world's ...

Python developer в команду Chat

Python developer в команду Chat Команда Chat развивает и поддерживает чат для клиентов банка. Наши приоритеты: рост доли канала и, конечно, лучший клиентский опыт при взаимодействии с ним. Наш основной продукт - чат-платформа, которая представляет собой админку и большое количество меха ...

Freelance Mathematician (Python) 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 ...

Freelance Mathematician (Python) 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 Quant Developer – Trading Team

Salary: Up to £200k + bonusSummaryLively, positive spirit of a start-up, with the stability of a longer-established player, this leading quant firm is looking for a dynamic quant developer skilled in Python development to join one of their growing trading teams.Y ...

Junior Python Developer Computer Science

Junior Python Developer / Engineer (Computer Science) London / WFH to £65kDo you have a first class Computer Science education combined with backend Python coding skills?You could be progressing your career at a successful and growing technology company that have recently received £30 mil ...

Programmer/Webdev: Python, Javascript, PHP

Project detail Hiring – Lex Fridman I am currently involved in several efforts: (A) podcast & videos, (B) research, (C) startup. This page (for now) is for help I need on effort A (and some B). If you’ve applied previously, you don’t need to apply ...

Quantitative Developer Analyst Python C++

Job DescriptionWe’re currently looking to hire a Quantitative Analyst/Developer to join Legal and General Retirement's Investments Quantitative teamThe Investments Quantitative team support the different areas of the wider Investments team (e.g. New Business, ALM, Structuring) with both long ...

Python Developer R&D MedTech

Python Developer / Backend Software Engineer (Python R&D) Cambridge onsite to £55kWould you like to work on Greenfield projects at the cutting edge of medical technology? You could be joining a well funded start-up, collaborating with scientists and other engineers to develop sensing and ...

Market Data Analyst Python SQL

Market Data Analyst (Python SQL) Newcastle onsite to £90kDo you have a first class education combined with Market Data experience?You could be progressing your career at a FinTech start-up, they have secure backing and an established Hedge Fund client as a partner; this is an excellent op ...

Junior Developer Java / Python / C++

DescriptionThe FICC Credit Technology team supports the Bank's global Fixed Income, Currencies & Commodities (FICC) business, with a specific focus on electronic trading of credit products, including corporate bonds and credit derivatives. The role involves designing, building, and enhancing low ...

Quantitative Developer C++/ Python – London

World-leading hedge fund looking for experienced Python and C++ Quant Developers to join their new systematic arm in London.Exciting opportunity to join an elite team working to build out and enhance their cutting-edge quantitative trading platform. You will work directly alongside senior PMs, quants a ...

Lead Python Developer DV Cleared

Can you think strategically and connect the dots across projects to shape the bigger picture?Do you thrive in fast-paced, agile environments, enjoy exploring smarter ways of working, and love to collaborate across diverse teams?Are you passionate about continuous learning and building impactf ...

Software Developer Data Pipelines (Python)

Position Overview:We are seeking an experienced Python developer to join our Alpha Data team, responsible for delivering a vast quantity of data served to users worldwide. You will be a cornerstone of a growing Data team, becoming a technical subject matter expert and developing strong working r ...

Data Manager with Python Permanent

What do you need?In-depth knowledge of statistical methodologies and data analysis techniques in either Python/RKnowledge of relevant relational database like SQLProven analytic skills, including mining, evaluation, analysis, and visualizationEx ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

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