Fastapi Python Developer 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

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 ...

Lead Software Engineer – Python, AIML, Cloud

Chase is seeking a Lead Software Engineer with expertise in AWS and Python, and a passion for Machine Learning, to help engineer and deploy innovative ML solutions into production. You will collaborate with the Applied AI/ML group and technology teams across the firm, contributing to both new and ongoing proj ...

Software Engineer Python TypeScript AWS Ruby

Software Engineer / Developer (Python TypeScript AWS Ruby) London to £110kAre you a technologist who enjoys working with a range of technology across the full stack?You could be progressing your career in a senior, hands-on Software Engineer position at an ethical FinTech that specialises ...

Customer Engineer Agent Builder London Python

Job Description FDE / Customer Engineer | London (5 Days Onsite) | Conversational AI / Enterprise SaaS | Hypergrowth AI Startup | Python, APIs, Integrations, LLMs | £140k–£180k + Equity + BenefitsA hypergrowth AI company is building enterprise-grade conversational AI age ...

Sr.Developer| Prometheus Expert|Python| AWS| Linux

A fast-paced, growth-oriented environment with the associated rewardsCompetitive compensation commensurate with role and skill setAbout Our ClientThe hiring organisation is a well-established large organisation within the technology and telecoms industry. Known for deliv ...

Software Engineer C/C/++/ C#/ Python

OverviewKeysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15, employees create world-class solutions in communications, 5G, automotive, energy, qu ...

Lead Software Engineer – Python, AIML, Cloud

Chase is seeking a Lead Software Engineer with expertise in AWS and Python, and a passion for Machine Learning, to help engineer and deploy innovative ML solutions into production. You will collaborate with the Applied AI/ML group and technology teams across the firm, contributing to both new and ongoing proj ...

Cloud Software Engineer (Python, AWS, Azure)

The RoleThe Platform Engineering team (PENG) builds Beacon Cloud -- the cloud-hosted Platform-as-a-Service that major financial institutions depend on for quantitative analytics, real-time risk management, and trade operations. Every client gets a fully isolated cloud environment with elastic ...

Senior Lead Software Engineer Databricks & Python

Join an agile team delivering high-quality technology products.As a Senior Lead Software Engineer (Python/Java, Spring, API, AWS) at JPMorganChase in Global Finance Technology, you’ll build secure, scalable solutions, write production code and tests, review code, and pair program. In Regulatory Reporti ...

Technical Consultant – HPC / Python / Lustre (Hybrid)

Job DescriptionTechnical Consultant – HPC / Python / Lustre (Hybrid role)Location: Birmingham / Bristol (Hybrid Role)Salary: circa £48,000 (depending on experience)My client is seeking a Technical Consultants within a HPC environment. Ideally experience wi ...

Senior Python Engineer – Positive Social Impact

Job Description The Role As a Senior Python Engineer, you will work closely with engineering leadership to build and own the backend development of this new platform. Identifying bottlenecks and potential problems so that this platform is scalable and stable. You’ll work wit ...

Technical Consultant – HPC / Python / Lustre (Hybrid)

Job DescriptionTechnical Consultant – HPC / Python / Lustre (Hybrid role)Location: Birmingham / Bristol (Hybrid Role)Salary: circa £48,000 (depending on experience)My client is seeking a Technical Consultants within a HPC environment. Ideally experience wi ...

Senior / Mid Backend Software Engineer Python

About ZepzZepz is the group powering two leading global remittance brands: WorldRemit and Sendwave. Since 2010, we have been disrupting an industry previously dominated by offline legacy players with our relentless focus on reducing the cost of remittances and increasing safety and ...

Quantum Systems Scientist | Python/C++ Research

Stars Arena is looking for a Quantum Scientist to join their Boston team. The role is full-time and requires a strong proficiency in programming languages such as Python and C++. Candidates should have excellent problem-solving skills and a track record of publications in peer-reviewed journals. The id ...

Software Engineer (C/C++/C#/Python)

Overview Keysight is at the forefront of technology innovation, delivering breakthroughs and trusted insights in electronic design, simulation, prototyping, test, manufacturing, and optimization. Our ~15,000 employees create world-class solutions in communic ...

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 working ...

Data Analyst Python/ Power BI/ SQL

Job Title: Data Analyst Location: UK Experience: 2–4 years Education: Master's in Science (IT/Computer Science/Engineer)Employment Type: Full-Time UK based candidates only. Information Tech Consultants Ltd (ITC) is an IT management and consulting firm based in Centra ...

Data Analyst Python, SQL, Power BI

Job Title: Data Analyst Location: UK Experience: 2–4 years Education: Master's in Science (IT/Computer Science/Engineer)Employment Type: Full-Time UK based candidates only. Information Tech Consultants Ltd (ITC) is an IT management and consulting firm based in Centra ...

Asset Data Specialist Python & Excel (London)

Stars Arena is seeking an Asset Data Coordinator in London, UK, offering up to £19 per hour. The ideal candidate will possess advanced Excel skills, preferably with knowledge in VBA or Python. Experience in work planning, asset management, and database management is beneficial. This full-time position does not p ...

Senior Risk Systems Architect (C++/Python)

Vitol Group is seeking a skilled member for the Risk Systems team to develop key components of a new Risk & PnL engine. The role requires over 8 years’ experience in C++ and familiarity with Python, as well as a solid understanding of financial and commodities markets. Successful candidates will demons ...

Lead Cloud Platform Engineer — Java & Python

JPMorgan Chase & Co. is seeking a Lead Software Engineer for its Cloud Engineering Acceleration team in Greater London. This role involves designing platform services, maintaining production code, and fostering team culture. The ideal candidate should have proficiency in core programming languages, hands-on expe ...

Senior Python Engineer in London Soda

We're seeking an experienced Python Engineer Join a scaling FinTech company revolutionizing the way businesses access finance, supporting their future growth. As a key member of our team, you'll develop cutting‑edge technology that empowers businesses and contributes to your approach. Bonu ...

Cloud Platform Engineer: Python, Migrations & Automation

Instil Software Ltd in Belfast is looking for a Mid-Level Software Engineer with experience in building production systems using Python and working with cloud infrastructure. The role involves managing databases, writing automation scripts, and collaborating with cross-functional teams. The position offers a com ...

Technical Project Manager Python and Risk

Technical Business Analyst - Python – Global Markets London (Hybrid Working) 6-month Contract We are supporting a leading financial services organisation on the hire of a Technical Business Analyst / Python Specialist to join a high-profile Global Markets technology and risk p ...

Technical Project Manager Risk And Python

Technical Project Manager - Market Risk Technology and Python Hybrid, Bromley – 3 days per weekPermanent£70K – £100K depending on experience A leading financial services organisation is seeking an experienced Technical Project / Programme Manager to support the delivery of a str ...

Senior Lead Software Engineer Python / Java

Senior Lead Software Engineer - Python / Java LONDON, LONDON, United Kingdom Job Description We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within Quant ...

Senior Python Engineer – FinTech, Django & PostgreSQL

Java Script Works is seeking an experienced Python Engineer to join a scaling FinTech company based in Greater London. In this role, you will develop cutting-edge technology that empowers businesses and supports their growth. Preferred qualifications include experience with Django, PostgreSQL, and Front-End deve ...

Lead Python Software Engineer — Hybrid + Equity

Circuit Mind Limited is seeking a Lead Software Engineer to develop elegant solutions for complex problems in hardware design. You'll collaborate closely with a skilled team of engineers, designing and deploying software that enhances circuit board development. Candidates should have over 5 years in software dev ...

ArcGIS Data Engineer — Python & GIS Analytics

Skills Proficiency with the Esri platform (ArcGIS Pro and Enterprise Portal Administration) Experience with scripting (preferably Python ) Familiarity with Data Science workflows Developed Vetting (DV) clearance – UK nationals only A proactive ...

Lead Cloud Platform Engineer — Java & Python

JPMorgan Chase & Co. is hiring a Lead Software Engineer in Public Cloud Engineering based in London. You will set architectural direction, guide system design, and drive engineering excellence using core languages like Java, Go, and Python. The role emphasizes cloud-native experience, proactive engagement with A ...

Senior Backend Engineer Python/Golang Microservices

Thought Machine in Greater London is seeking a Back End Engineer to lead the development of their Vault product. The ideal candidate must have over 6 years of experience as a Software Engineer and proficiency in Python or Golang. The role involves designing scalable microservices, writing automated tests, and ma ...

Graduate RegTech Engineer (Python) — FinTech Impact

Suade is seeking a RegTech Engineer to join their team in London. The role will involve translating complex regulatory requirements into maintainable code using Python and contributing to the development of core components for their regulatory reporting platform. Candidates should possess a bachelor's ...

Production ML Engineer Python, Databricks & GCP

DW Search is looking for a Data and Machine Learning Engineer in London to build and productionise feature engineering pipelines for ML models. This contract opportunity supports initiatives for a major asset management firm and involves deploying and optimizing machine learning models in production. T ...

Senior Software Lead & Architect (Java/Python)

JPMorganChase is looking for a dedicated software engineer to lead the design and development of scalable systems using Java or Python. The ideal candidate will drive technical decisions and mentor junior team members while upholding a culture of diversity and inclusion. With extensive experience in ap ...

Credit Scorecard Data Scientist (Python/R)

Quant Capital is looking for a Data Scientist to work on credit and scorecard modeling in London. This full-time role involves creating models used in production, with a strong emphasis on SQL and programming in Python or R. The ideal candidate will thrive in a relaxed and open work environment, akin t ...

Lead Software Engineer Python/Java & AWS

As a Lead Software Engineer at JPMorgan Chase within Markets Technology team, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. Job responsibilities Executes creative ...

Python Software Engineer – Cloud Native & AWS

Procode is seeking a Software Engineer – Python for a hybrid role focusing on building and improving core platforms using Python and AWS. The ideal candidate will enjoy optimising code and modernising legacy technologies. You will collaborate within Agile sprints and contribute to testing practices while also be ...

Python Software Engineer — Buyside Trading Systems

CW Talent Solutions seeks a skilled professional to contribute to a core tech platform in a leading systematic macro-Hedge Fund based in Greater London. The role focuses on writing software to enhance a global trading network and developing trading systems. Ideal candidates will have proven proficiency in Python ...

Senior Credit Quantitative Architect (C++, Python)

Santander Corporate & Investment Banking is seeking a Quantitative Analyst in London to develop pricing and risk models. This role involves enhancing trading systems and working closely with traders. Candidates should have extensive experience in quantitative roles with strong programming skills in C++ and Pytho ...

Lead Internal Model Actuary — Python & DevOps

Canada Life UK is looking for a model implementation actuary to design and develop internal models related to credit and interest rate risks. The role involves supporting the internal model operations team and managing junior members. Candidates should have strong capital modelling experience within the life ins ...

Backend QA Engineer Python/C++ Automation

Stars Arena, located in the Greater London area, is seeking a Software Test Engineer to enhance their testing capabilities for high-performance backend services. The role demands expertise in designing and executing automated tests for C++ and Python applications. Candidates should have experience in maintaining ...

Site Reliability Engineer III Java / Python

Job Description As a Site Reliability Engineer III at JPMorgan Chase within the External Collaboration team, you will lead development and integration of collaboration platforms such as VDRs, Microsoft 365 B2B, Client Portals, and Google Workspace. Site Reliability Engineering at JPMorgan Chase is ...

GenAI Data Specialist (Python AI Prototyping)

LA International Computer Consultants Ltd is looking for a Data Specialist (IT) based in London. The role involves building and deploying Python-based AI applications and designing advanced experiments using cutting-edge techniques, particularly in GenAI. The position offers competitive compensation and standard ...

Python Software Engineer in Sunderland OneClickComply

Python Software Engineer Sunderland, UnitedKingdom Posted 10 months ago Description Design, develop and maintain automated solutions for our compliance software platform using Python . Collaborate with cross‑functional teams to gather requirements and iden ...

Senior Threat Hunter Remote (Python, Jupyter)

UST is looking for a Senior Threat Hunter to join their team in London (remote work available). The ideal candidate will have extensive experience in Threat Hunting, Detection Engineering, and Incident Response, with a strong understanding of enemy tactics, techniques, and procedures. Key responsibilities includ ...

Staff Python Backend Engineer — Scalable Systems

Stars Arena is seeking a Staff Backend Engineer to join their London team. The ideal candidate will have over 7 years of hands-on experience in backend development, with a strong focus on Python and expertise in database design and maintenance. This full-time role offers a competitive compensation pack ...

Production AI Engineer (Python/TypeScript) Hybrid

Oliver Bernard is seeking an AI Engineer to join a high-growth tech business focused on AI automation and internal tooling. In this role, you’ll work on AI-powered internal products and automation platforms, building LLM applications and improving operational efficiency at scale. Candidates should have strong so ...

Cloud Contact Center Engineer (JS/Python)

Java Script Works is seeking an Amazon Connect Engineer based in Glasgow, United Kingdom. The ideal candidate should have strong attention to detail, good communication skills, and teamwork abilities. Experience with scripting languages like Python and JavaScript is preferred, along with skills in performance an ...

🚀 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

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