Senior Python Developer Pythonawsreact 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 Data Ops Engineer Python, Spark & SageMaker

This is a job posted by our partner Jooble Below is a snippet of the job description. To read the full text, please click on the Apply Now link. Experience with multiple programming languages, including Python, Shell Scripting, Spark, and Scala. Experience with Amazon Sagemak ...

Automation & Tools Intern — Python & CI/CD Focus

A leading tech company in Cambridge is looking for a Software Engineer Intern for a paid 12-week internship starting in Summer 2026. The role involves owning automation projects, developing reusable code predominantly in Python, and collaborating across teams. Candidates should be enrolled in a Computer Science ...

Lead Python Engineer: Architect & Cross‑Team Leader

Partnerize is looking for a Lead Python Engineer to produce clean, testable, and maintainable designs and lead a cross-functional team. The ideal candidate will have extensive experience with Python, software architecture, and Agile methodologies. Responsibilities include solving technical problems, leading init ...

Production ML Systems Engineer Python, Kubernetes, Cloud

Omnis Partners is seeking a software engineer with a strong background in building production ML systems. In this role, you'll be responsible for leading architecture and design, developing scalable software, and driving best practices in ML delivery. The ideal candidate will have expert Python skills, cloud exp ...

Backend Engineer (C# / Python / AWS) – Hybrid London

Client Server is seeking a Backend Software Engineer in Greater London on a 12-month Fixed Term Contract. The role offers a salary of up to £180,000 per annum plus benefits. The ideal candidate will have strong experience with C#, .NET, Python, SQL, and AWS, along with a background in investment management or fi ...

Market Data Backend Engineer (C# & Python) – Hybrid

Client Server is looking for a Backend Software Engineer in London, offering a salary of £100k - £150k plus bonus and benefits. You'll design and build data platform components using C# and Python, develop ETL pipelines, and improve CI/CD practices. The role requires strong backend development, knowledge of data ...

Lead Python / Typescript Engineer National Security AI

Lead Python / Typescript Engineer - National Security AI Principal Engineer / Hands-on Technical Lead Permanent | £80,000 – £100,000 | South East (Hybrid)SC clearance required or eligible We are seeking a Principal Engineer to take ownership of technical delivery for ...

Founding Full Stack Engineer – Python, Scraping & Automation

CloudDevs is seeking a Founding Engineer based in the UK to lead the technical development of our AI-driven Hospitality Tech platform. You will build features in Python (Django) and manage high-volume data scraping. The role offers a competitive salary between £70k and £90k, along with equity options of up to 2% ...

Founding Full Stack Engineer – Python, Scraping & Automation

CloudDevs is seeking a Founding Engineer based in the UK to lead the technical development of our AI-driven Hospitality Tech platform. You will build features in Python (Django) and manage high-volume data scraping. The role offers a competitive salary between £70k and £90k, along with equity options of up to 2% ...

AI Driven Electrical Engineer & Python Numerics Expert

Mindrift is offering a project-based opportunity for specialists in Glasgow, Scotland. The role involves designing computational engineering problems that simulate real-world workflows, requiring Python programming and numerical methods expertise. Candidates should possess a degree in Electrical Engineering or a ...

DevOps Automation Engineer CI/CD, Python & AWS

A cybersecurity firm is seeking an Automation Engineer to enhance its threat intelligence capabilities in Cheltenham or other UK locations. The role focuses on building and maintaining CI/CD pipelines, supporting engineering efforts with automation, and identifying automation opportunities. Ideal candidates will ...

Mobile Test Automation Engineer (Python & Appium) – Hybrid

Maxwell Bond is seeking an Automation Engineer (Python/Appium) to join their team in Manchester. This hybrid role focuses on building robust mobile test automation frameworks. The ideal candidate will have strong Python skills and Appium exposure, with experience in mobile testing. You'll play a key role in shap ...

Python Backend Engineer (FastAPI) – AI/LLM, Relocation

Weekday AI in the United Kingdom is seeking a Backend Engineer to develop scalable systems in a rapidly expanding, AI-focused environment. The ideal candidate will have 5–9 years of experience, with strong proficiency in Python and FastAPI, and an understanding of microservices architecture. This role offers the ...

Hybrid Backend Engineer – Java Spring Boot & Python

Methods Business and Digital Technology is seeking a Back-end Developer specializing in Java Spring Boot and Python. This permanent hybrid role requires three days on-site in London. You will lead the migration of core architecture to a cloud-native landscape and design technical connectors for global channels. ...

Backend Data Engineer: Python, ETL & AI Pipelines

A public sector organization is looking for a Software Developer to join their Cabinet Office Digital team in York. The role focuses on back-end development for data services, requiring expertise in Python and ETL processes. Responsibilities include leading data engineering projects, conducting assurance activit ...

Enterprise Network Automation Engineer (Python/Ansible/Terraform)

Proactive.IT Appointments Limited is seeking a Network Automation Engineer to design and implement network infrastructures in a hybrid role. The candidate should have expertise in automation, particularly with Python, Ansible, and Terraform, as well as hands-on experience with Palo Alto firewall platforms. Respo ...

Python Engineer, Data Pipelines for Sports Analytics

Smartodds is looking for a Python Engineer in Greater London to develop data pipelines and back-end solutions. You will engage in hands-on development of applications and maintain high software quality standards. Candidates should have a BSc in computer science or equivalent, as well as strong Python and API dev ...

Backend Data Engineer: Python, ETL & AI Pipelines

A public sector organization seeks a Software Developer experienced in back-end development with a focus on data pipelines. The role involves leading data engineering, supporting Agile teams, and mentoring junior developers. Ideal candidates are proficient in Python and familiar with ETL processes, AWS services, ...

Electrical Engineer & 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 permanent employment. ...

FinTech Backend Engineer (Python/Django) – London Hybrid

Signify Technology is seeking an experienced Python Developer with expertise in Django and SQL/PostgreSQL for a hybrid role in London. The successful candidate will develop and maintain web applications and backend systems specifically in the FinTech industry. Key responsibilities include writing clean code, opt ...

Lead Data Engineer — Python, Databricks, SQL (Onsite)

An investment management firm in Newcastle is seeking a Lead Data Engineer (Python, Databricks, SQL) to manage a team and enhance data capabilities. You'll work closely with front-office traders to ensure data alignment with business goals. This role includes developing a data platform and automating processes. ...

Frontend Focused Engineer (React/TS/Python) Equity

Oliver Bernard is seeking a Frontend leaning Fullstack Engineer (React/TypeScript/Python) in Greater London with a salary of up to £120k+ plus equity. You will join a fast-growing Seed start-up, owning systems end-to-end, from design to production. This role requires at least 3 years of experience in building pr ...

Frontend leaning Fullstack Engineer(React/TypeScript/Python)

Frontend leaning Fullstack Engineer(React/TypeScript/Python) Up to £120k+ (plus equity) 3 days p/week in London Frontend leaning Fullstack Engineer(React/TypeScript/Python) – Would you like the opportunity to join a fast-growing Seed start-up who are currently building the futu ...

Linux Software Engineer – Traffic Systems (C++, Python)

SWARCO is looking for a Linux Software Development Engineer to join their team in Leicester. You will develop software for the UK's most widely deployed Traffic Light Controller, co-develop tools primarily in Python, and ensure compliance with local regulations. The role requires a relevant degree and at least 2 ...

Backend Engineer (Python/FastAPI) AI/LLMs, Sponsorship

Weekday AI (YC W21) in the United Kingdom is seeking a Backend Engineer with 5-9 years of experience. The role focuses on building scalable systems using Python and FastAPI, integrating advanced AI capabilities, and working closely with cross-functional teams. Ideal candidates will excel in backend development a ...

Cloud Native Software Engineer Python, React, Azure

Just Group plc, located in London, is seeking a Software Engineer for their Defined Benefits Team. The role involves developing enterprise-grade software and contributing to a scalable data platform using technologies such as Python, React, and Azure Kubernetes Service. Responsibilities include coding, deploying ...

Full Stack Engineer: Django/Python, AWS & Kubernetes

A leading retail company in Manchester is seeking a full-stack Engineer to join their diverse development team. You will be responsible for delivering quality code while working closely with product teams in an Agile environment. Your significant experience with Django and Python will help in developing and main ...

Lead Software Engineer Python & AWS, Data Pipelines

JPMorganChase in Glasgow is seeking a Lead Software Engineer for the Asset Wealth Management division. In this role, you will be part of an agile team dedicated to enhancing and delivering cutting-edge technology products. You will design and implement data pipelines, develop and debug high-quality production co ...

AI Engineer: Python & LLMs for Analytics (Hybrid)

Infused Solutions is seeking an AI Engineer – Python, LLMs to join their team in Sheffield on a full-time hybrid basis. In this role, you will collaborate with stakeholders to build impactful analytics solutions, develop CI/CD pipelines for workflows, and leverage AI tools for data insights. Ideal candidates wil ...

Staff ML DevTools Engineer (Python/C++, PyTorch)

Arm is seeking a Staff Software Engineer located in Cambridge, UK. In this role, you will design and build developer-facing tools, collaborating with teams to enhance usability and performance. The ideal candidate will have proven experience in software development, proficiency in Python and C++, and familiarity ...

AI Driven Backend Engineer (Python/Django) FinTech

Corgi Insurance in London is looking for a Software Engineer to build and maintain their AI-powered business insurance platform. Candidates should have at least 2 years of experience, strong Python and Django skills, and be comfortable with SQL and REST APIs. The role involves integrating various systems and imp ...

AI‑Driven Full‑Stack Engineer (Python & TS)

Legal And General Group is hiring a Full-Stack Engineer to join their PRoboT product team in Greater London. As one of the first engineering hires, you will work across the full technology stack to build and scale the platform. The role involves designing high-quality components, developing APIs, and delivering ...

Full Stack Cloud Engineer – React, Python & AWS

React and TypeScript Python AWS services i.e. Athena/Glue, DynamoDB, ECS, S3, Lambda, SQS, Step Function, etc Automated testing frameworks for Python and JavaScript Terraform for infrastructure-as-code Proven experience designing, building, and operat ...

Remote IoT Data Streaming Engineer (Go/Python)

Canonical Group Ltd is looking for a Software Engineer to help enhance their global SaaS services. The role emphasizes designing scalable backend services using Go or Python, with a strong focus on cybersecurity in IoT environments. You will work remotely with a distributed team while driving technical excellenc ...

Real Time Trading SRE: Linux, Python & Networking

Huntress Talent is seeking an IT professional to monitor and manage real-time trading systems. You'll be responsible for ensuring operational efficiency by overseeing market transactions and resolving system issues. The ideal candidate has over 2 years of IT experience, strong knowledge of Linux, Unix, and netwo ...

Investment Data Analyst (SQL, Python) – Finance, Newcastle

Client Server is seeking an Investment Data Analyst in Newcastle upon Tyne. The ideal candidate will have a first class degree in a STEM discipline, strong SQL and Python skills, and an understanding of financial markets. This role involves managing data from various sources and collaborating with teams to provi ...

Lead Python Engineer: Architect & Cross‑Team Leader

Partnerize is looking for a Lead Python Engineer to produce clean, testable, and maintainable designs and lead a cross-functional team. The ideal candidate will have extensive experience with Python, software architecture, and Agile methodologies. Responsibilities include solving technical problems, leading init ...

Production ML Systems Engineer Python, Kubernetes, Cloud

Omnis Partners is seeking a software engineer with a strong background in building production ML systems. In this role, you'll be responsible for leading architecture and design, developing scalable software, and driving best practices in ML delivery. The ideal candidate will have expert Python skills, cloud exp ...

Backend Engineer (C# / Python / AWS) – Hybrid London

Client Server is seeking a Backend Software Engineer in Greater London on a 12-month Fixed Term Contract. The role offers a salary of up to £180,000 per annum plus benefits. The ideal candidate will have strong experience with C#, .NET, Python, SQL, and AWS, along with a background in investment management or fi ...

Market Data Backend Engineer (C# & Python) – Hybrid

Client Server is looking for a Backend Software Engineer in London, offering a salary of £100k - £150k plus bonus and benefits. You'll design and build data platform components using C# and Python, develop ETL pipelines, and improve CI/CD practices. The role requires strong backend development, knowledge of data ...

Staff Engineer (Python) — Remote, Scale Global Platforms

A global technology firm is seeking a Staff Engineer (Python) to help shape the technical direction of large-scale platforms. This role involves hands-on engineering and leadership, working closely with principal engineers and architects. Candidates should have extensive Python experience, a strong background in ...

Lead Software Engineer Java/Python, Scalable FinTech

J.P. MORGAN is seeking a Lead Software Engineer within the Commercial & Investment Bank's Equities Technology team in Greater London. This role requires 12+ years of experience in software engineering, along with expertise in Java, Python, and SQL. The candidate will be responsible for delivering high-quality pr ...

AI Driven Internal Tools Engineer (C#/Python)

TTP plc is seeking a Software Developer for a 12-month fixed-term contract in Cambridge. You'll design and build applications that enhance operational efficiency and utilize data and AI. The role requires experience in C# / .NET and Python, familiarity with REST APIs, and a hands-on approach to integrating syste ...

Remote Python Software Engineer (Contract) — $100/hr

Mercor is seeking a Software Engineer to develop and maintain complex Python systems in a remote setting. The role requires a strong technical background, with responsibilities including codebase design, performance optimization, and collaboration with AI research teams. The ideal candidate should have experienc ...

Backend Engineer (Go/Python) Scalable Services & Pipelines

Renesas Electronics Corporation is seeking a Back-End Engineer based in Cambridge. This role involves designing and maintaining web services using Go and Python, integrating with various systems, and collaborating with multidisciplinary teams. The ideal candidate will have over 5 years of relevant experience in ...

Lead Python Architect & Cross‑Team Delivery Leader

Partnerize is seeking a Lead Python Engineer to produce clean, testable designs, lead software development initiatives, and act as a technical expert in their domain. Responsibilities include problem solving, leading a cross-functional team, and contributing actively to ceremonies. Ideal candidates should have e ...

Technical Lead (Python, Azure, AI / Agentic systems)

About Us: ClearRoute is an engineering consultancy bridging Quality Engineering, Cloud Platforms and Developer Experience. We help enterprises reliably bring high-impact digital products to market faster, cheaper, and safer, working with technology leaders facing complex business challeng ...

ETF Platform Engineer — Python & Front Office Trading

Talan Group is seeking a candidate for a position focusing on Front Office Trading production projects within the ETF market in London. The role involves developing and implementing trading tools, enhancing existing production support tools, and requires a strong background in IT development, particularly in Pyt ...

Hybrid VP: Full Stack Engineer (Kotlin & Python)

Citibank (Switzerland) AG is seeking a Full Stack Engineer (Kotlin and/or Python) in Greater London. This VP-level role involves designing and developing cutting-edge financial software solutions while collaborating closely with business stakeholders. Candidates should have strong backend experience along with k ...

Fintech AI Driven Python Backend Engineer (Remote)

A fast-growing fintech startup is seeking a Python Software Engineer to build AI-driven financial technology products. This role offers significant technical ownership and remote-first working conditions. The ideal candidate will have strong commercial experience with Python and backend systems, and show a proac ...

🚀 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 Developer Pythonawsreact Jobs in United Kingdom Job Search Guide, Trends and Insights