2,336,483+ Python Developer And Python Tech Architect Jobs in UK — Top Companies Hiring June 2026

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/Django & TypeScript Architect

Java Script Works in London is seeking a Senior Software Engineer to design, develop, and maintain robust software solutions using Python and TypeScript. The role involves optimizing existing systems through performance tuning and code refactoring. This full-time position offers competitive compensation and requ ...

Contract Solution Architect: Python, SQL & TS Expert

Java Script Works is looking for a Solution Architect based in London, United Kingdom. The ideal candidate will have experience in vendor or delivery partner settings and thrive in fast-moving client environments. Required skills include SQL, TypeScript, Python, and Java. Exposure to additional technologies such ...

AI Driven Cloud Architect — Python & LangChain Expert

An engineering consultancy in Greater London is looking for an experienced Quality Cloud Architect (Python AI Developer) to design and maintain web applications and APIs. Responsibilities include building AI Agents, mentoring the team, and ensuring compliance. The ideal candidate should have strong Python skills ...

Senior AI Architect — Python & Multi Agent Systems

A leading logistics technology company in Manchester is looking for an experienced Senior Python Developer. In this role, you will take ownership of designing and deploying advanced AI systems, tackling complex logistical challenges. The ideal candidate has over 5 years of experience in Python development and a ...

Cloud Solutions Architect AWS | Java, Python & Spark

Barclays is looking for a Solution Architect based in Northampton, United Kingdom. The ideal candidate should have experience in solution architecture with technologies such as Java, Python, and AWS, with mandatory AWS Certified Solution Architecture Associate certification. This full-time role offers ...

Senior Python Architect: Rates Risk & PnL Lead

TwinThread in Greater London is seeking a Senior Python Architect to join their development team. You will design and implement solutions for rates trading operations, ensuring robust software delivery while collaborating with analysts and risk managers. The role requires hands-on Python experience, pa ...

Senior Python & LLM Architect for Enterprise AI

Mphasis is seeking a highly skilled Senior Python & LLM Developer to join our AI engineering team. This role focuses on developing advanced AI solutions using technologies like LLMs, LangChain, and RAG architectures. You will collaborate with data scientists and engineers to drive innovation in AI application ...

Lead Python Architect — FinTech Scaleup, Hybrid London

Hunter Bond is seeking a Lead Software Engineer to join their elite FinTech scale-up in London. The role offers a competitive salary of up to £200k, plus a bonus and comprehensive benefits, allowing you to shape cutting-edge financial applications. You'll lead a team of exceptional Python developers an ...

Senior Python Backend Architect FastAPI, AWS, Postgres

Oliver Bernard is partnering with a high-growth Data Intelligence Platform start-up to hire a Senior Engineer in Central London. The ideal candidate will have strong Python skills and experience in backend development, with a focus on performance and quality. This role requires a minimum of 5 years in ...

Senior Python Backend Architect FastAPI, AWS, Postgres

Oliver Bernard is partnering with a high-growth Data Intelligence Platform start-up to hire a Senior Engineer in Central London. The ideal candidate will have strong Python skills and experience in backend development, with a focus on performance and quality. This role requires a minimum of 5 years in ...

Senior Python Developers and... err, ballet.

The Full Stack Engineer will work for a fast-paced software business. The Full Stack Engineer will earn £90,000 per year plus benefits. The Full Stack Engineer will enjoy remote working (staggered working hours). The Full Stack Engineer will not just use AI tools but act ...

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 ...

Full Stack Engineer (Python and React)

PwC is seeking a developer to join our Threat Intelligence practice, building the bespoke platforms and automation that underpin our global intelligence capability. Our Threat Intelligence team delivers research‑driven, actionable intelligence to public and private sector organisations worldwide. W ...

Full Stack Engineer (Python and React)

PwC is seeking a developer to join our Threat Intelligence practice, building the bespoke platforms and automation that underpin our global intelligence capability. Our Threat Intelligence team delivers research‑driven, actionable intelligence to public and private sector organisations worldwide. W ...

Lead Software Engineer Python and React

Lead Software Engineer - Python and React Join to apply for the Lead Software Engineer - Python and React role at JPMorganChase . Step into a high-growth environment where your expertise in AI/ML and AWS will help shape and deliver game-changing business outcomes. A ...

Full Stack Engineer (Python and React)

The role is for you if:You have strong Python, React, JavaScript, HTML, and CSS experience across modern full-stack development.You design, build, and consume RESTful APIs that support reliable, scalable application features.You write performant, maintainable, reusable ...

Senior Back End Developer in Crawley Akixi

Senior Back-End Developer Crawley, United Kingdom Posted 11 months ago Tech Stack Java Python JavaScript Backend Node.js APIs Responsibilities Design, develop, and maintain server-side applications ...

Senior Backend Engineer: APIs & Scalable Systems

Senior Back-End Developer Crawley, United Kingdom Posted 11 months ago Tech Stack Java Python JavaScript Backend Node.js APIs Responsibilities Design, develop, and maintain server-side applications ...

Senior Python Engineer – Front Office Quant & Trading Tech

TwinThread in London is seeking a Lead Software Engineer to join their Global Equity Derivatives Technology team. In this role, you will collaborate with developers, quants, and traders to deliver innovative trading solutions and maintain core systems. Your contributions will significantly impact trading and ...

Senior Backend Engineer (Rust/Python) for Financial Tech

A financial services technology firm in the UK is seeking a financial software engineer to join their back-end team. This role includes engaging with stakeholders, designing solutions for data integration, and implementing cloud-native applications on AWS using Rust and Python. The ideal candidate will have a Ba ...

Lead Data Platform Engineer Java/Python & Risk Tech

Job DescriptionJoin us and shape the future of risk technology with your expertise in data engineering and software development. You will have the opportunity to push boundaries, innovate, and make a meaningful impact on our business. We value diversity, inclusion, and respect, fostering ...

Senior Software Engineer Health Tech (Hybrid, Python/API)

A recruitment firm in Cambridge is hiring a Senior Software Engineer to develop cutting-edge health technology. The role requires strong Python skills, particularly in API development. Responsibilities include writing scalable code and building robust APIs, while working in a collaborative culture that encourage ...

Senior Python Backend Engineer Lead Tech & Crypto Equity

LinuxRecruit in Greater London is seeking a Software Engineer for back-end development to drive team innovation in telecommunications. You will design and scale backend systems, utilizing your expertise in Python and frameworks suitable for diverse technical challenges. This role offers autonomy over technical d ...

Full Stack Engineer for Climate Tech (Python) Remote

Foodsteps is hiring a full stack software engineer in London to help drive food sustainability efforts. The role includes technical design, implementation, testing, and support of our application. The ideal candidate should have strong Python experience and a desire to work collaboratively within a small team ...

Python Quant Data Engineer for Systematic Trading Tech

JPMorgan Chase & Co. is looking for a Python Quant Data Engineer to join their Equities Trading Data & Analytics technology team. In this role, you will develop and maintain data pipelines that ensure data integrity and low-latency access for trading operations. The ideal candidate will possess strong ...

Senior Python Engineer — Scale Fashion Tech for Millions

Lyst in Greater London is looking for senior software engineers to develop innovative solutions for millions of online shoppers. Your role will involve collaborating with various teams to tackle challenges and enhance user acquisition strategies. Join a supportive environment committed to engineering e ...

Hybrid Full Stack Tech Lead (Python/React) Equity

Client Server is looking for a Full Stack Engineer / Technical Lead to drive the technology strategy and software architecture within a growing motorsport and technology business in Oxford. This role involves shaping the future of the engineering function and mentoring a high-performing team while remaining h ...

Global Markets Python BA for Risk & PnL Tech

The JM Longbridge Group is looking for a Technical Business Analyst - Python in Southampton on a 6-month contract. The role involves working at the intersection of Business Analysis, Development, and Production Support, primarily focused on Global Markets technology initiatives. The ideal candidate will have str ...

Senior Data Platform Engineer Java/Python, Risk Tech

A leading financial services firm is looking for a Senior Lead Software Engineer to join their Data Platform & Strategy team in Greater London. In this role, you will design and enhance advanced data engineering solutions that support business objectives. You will collaborate with agile teams and drive innovatio ...

Senior Product Engineer (Python/React) Tech for good

Senior Product Engineer (Python/React) - Tech for good Salary: Up to £85k Location: 1-2 days p/week in London (some flexibility) Senior Product Engineer (Python/React) - would you like the opportunity to work for a tech for good organisation operating in the restoration space? They’re cur ...

Senior Python Developer Remote, Data Driven Cloud Apps

A technology firm is seeking a Senior Python Developer to design, implement, and maintain high-quality software. This remote role offers flexibility and collaboration opportunities across various UK locations. Candidates should possess strong Python expertise, experience in building production-grade applications ...

Mid Level Python Developer Remote/Hybrid (Flask, AWS)

A leading recruitment agency is seeking a Mid-Level Python Developer to enhance a FinTech company's engineering team. The ideal candidate will design complex systems and write scalable Python code to optimize performance. Candidates should have at least 2 years of experience in Python, knowledge of Flask, SQL ex ...

Hybrid Full Stack Developer (Java/Python) Cloud Native

TELSTRA Associates is seeking a Full Stack Java Developer for a contract in the UK. The role requires strong skills in cloud-native engineering, backend (Java/Python/Go), and frontend development. The candidate will work in a hybrid model in Belfast three days a week. This is a unique opportunity in a ...

Senior Python Developer: Data Pipelines & AI for Finance

Intellias is seeking a Senior Python Developer to join their collaborative engineering team in the United Kingdom. The role involves developing capital markets data platforms and agentic AI applications, enhancing trading, analytics, and operational workflows. The ideal candidate will have over 5 years ...

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, ...

Quantitative (Python) Developer Hybrid London Up To 250k!

Quantitative Developer – Python – Central London We’re a fast‑paced blockchain scale‑up looking for Quantitative Developers with proficiency in Python, Pandas, NumPy, and experience from the Trading world. We’re on the lookout for candidates who: Have deep familiarity with the P ...

Hybrid Python Software Developer Live Pricing & Data Tools

A digital insurance provider in the UK is seeking a Software Developer to maintain and enhance live pricing code within the Alternative Pricing Department. The ideal candidate must be detail-oriented, confident in their coding skills, specifically in Python, and able to manage multiple deployments independently. ...

Lead Software Engineering Python Front Office Quant Developer

Join us to shape the future of equity derivatives trading through technology. You’ll partner closely with trading desks, technology teams, and Quantitative Research to deliver impactful solutions. We offer a dynamic environment where you can propose and explore new ideas, automate processes, and collaborate g ...

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, ...

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 ...

Lead Software Engineering Python Front Office Quant Developer

Lead Software Engineering - Python - Front Office Quant Developer LONDON, LONDON, United Kingdom Job Information Job Identification Job Category Software Engineering Business Unit Commercial & Investment Bank Posting Date 10/16/2025, 01:47 P ...

Senior Python Quant Developer for HFT & Crypto Trading

A leading trading firm in the City Of London is seeking an experienced Python Quant Developer to join their high-frequency trading team. This role focuses on expanding the Python analytics stack to support trading strategies in crypto markets. You will work closely with traders and quant researchers, developing ...

Senior Python/React Full Stack Developer — Remote & Growth

Job Description 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 learnin ...

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 businesses ...

Lead Software Engineering Python Front Office Quant Developer

Overview 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 ...

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 ...

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 – APIs & LLM Data Infrastructure (Energy Markets)

Overview Modo Energy is building the data and AI infrastructure behind the energy transition — ingesting global energy datasets and powering APIs, analytics platforms, and LLM-driven systems that understand real-world power markets. Our data platform processes huge volumes of energy marke ...

🚀 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

    Python Developer And Python Tech Architect Jobs in United Kingdom Job Search Guide, Trends and Insights