848,402+ Lead Python Developer Cloud Fastapi Data Platforms 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

Java Developer with Fixed Income

Net2Source Inc. is one of the fastest growing diversity certified global workforce solutions companies with an unprecedented YoY growth of over 100% for last 6 years working with Fortune 1000/Global 2000 across 34 countries and 5 continents including North America, South America, Europe, Asia, Australia an ...

Application Developer

Overview Role: Application Developer Experience: 10 years Location: Sheffield, UK Work mode: 3 days WFO weekly We are looking for a highly skilled Application Developer with strong expertise in identity API development, data ingestio ...

Senior kdb+ Engineer

Join the world's largest kdb+ Consultancy where every query matters, every millisecond counts and every system you build shapes the future of data-driven finance. At Data Intellect , we thrive on solving complex data challenges in high-stakes environments. We're a team of ...

Senior Dev/MLOps Engineer: AI Infra, CI/CD, Equity

Thehumanoid is hiring a Senior Dev/MLOps Engineer to join their Data & Compute Platform team in London. This role involves managing the lifecycle of ML models and infrastructure, building CI/CD pipelines, ensuring system reliability and security, and collaborating with cross-functional teams. Candidates should h ...

Security Operations Engineer – SIEM & Cloud

An organization focused on data solutions seeks a Cyber Security Engineer based in Wigan. This mid-senior level role involves supporting security operations, managing SIEM platforms, and developing custom tools. Key qualifications include experience in cloud services, scripting in PowerShell or Python, and a str ...

ML Engineer & Client Facing AI Solutions Lead (Hybrid)

A leading data consultancy in the UK is seeking a Machine Learning Engineer to develop and optimize AI solutions. You will work with Python, build models, and leverage cloud platforms to enhance business outcomes. Ideal candidates have 1-3 years experience in ML, strong programming skills, and the ability to com ...

Principal ML Engineer — Sports AI & Personalisation

5V Video in West London is seeking a Principal Machine Learning Engineer for a freelance 6-month contract. This role involves shaping large-scale ML systems for live sports, focusing on real-time insights, low-latency inference systems, and cloud-native AI platforms. Ideal candidates will have strong ML experien ...

Product Engineering Leader Cloud, React & Data Privacy

Java Script Works is seeking a Head of Product Engineering in Oxford, United Kingdom. The ideal candidate will have deep expertise in modern tech stacks including Python, TypeScript, Node.js, and React, along with experience in cloud platforms like AWS, Azure, and GCP. A strong understanding of data privacy and ...

Senior DevOps Engineer (Infrastructure & MLOps)

# Senior DevOps Engineer (Infrastructure & MLOps),February 15, 2026### Job Description**Location:** London, UK **Work Model:** On-site **Role Type:** Full-TimeWe are looking for a **Senior DevOps Engineer (Infrastructure & MLOps)** with strong experience in cloud infrastructure and CI/CD automation to join our ...

Advanced Research Engineer

We’re seeking an experienced AI & Data Science Engineer with a strong foundation in Python and a growing interest in machine learning, data processing, and intelligent system design. In addition to hands‑on model development and data work, you will contribute to early‑stage system definition, requirements ...

VodafoneThree SbD Security Architect AI

Working Hours Full time 37.5 hours per week – Monday to Friday Responsibilities Define and evolve secure architecture patterns for AI and GenAI systems, covering platforms, APIs, data pipelines, and model environments Embed security into the design of AI solutions by ...

Senior Bioinformatics Developer Synthetic Biology

Senior Bioinformatics Developer - Synthetic BiologyWe are searching for a senior bioinformatics developer for our biology-based tech client in Cambridge.This is a newly created role with plenty of opportunity to grow and earn more responsibilities as the company expands. You will be developing co ...

Front End Developer

Join Nordcloud and be part of the European cloud revolution. We supercharge our customers to innovate in hyperscaler cloud, enabling seamless migration, advanced security, and data-driven success. Front End Developer – UK We are looking for a Front End Developer to join our team in the UK ...

DNS Architect SC Cleared

Role Title: DNS ArchitectWokingham Hybrid - 40% remote, 60% officeDuration: 4 Months – likely to be extendedDay rate: £563 - £581CONTRACTOR MUST BE SC CLEARED (ACTIVE)My client is seeking an experienced and highly skilled DNS Architect to design, implement, and maintain sc ...

DNS Architect SC Cleared

Role Title: DNS ArchitectWokingham Hybrid - 40% remote, 60% officeDuration: 4 Months – likely to be extendedDay rate: £563 - £581CONTRACTOR MUST BE SC CLEARED (ACTIVE)My client is seeking an experienced and highly skilled DNS Architect to design, implement, and maintain sc ...

Data Scientist

Exeter, Devon (Hybrid-working minimum of x2 days in the office you must be based locally) Plus an excellent benefits package (including Pension, Bonus, Life Insurance, Healthcare, etc.) Skills and Experience Expert proficiency in Python for data manipulation and ...

Lead Data Science Engineer in Worcester Hewett Recruitment

Lead Data Science Engineer Worcester, United Kingdom Tech stack Data Science Azure Python SQL Science Looking For: Strong background in data science or ML engineering, with leadership or senior-level e ...

MarTech Tech Lead: API & Data Integrations

Java Script Works is seeking a MarTech Squad Tech Lead to perform integrations for apps and web, involving SDK, API, webhook, and scripting, primarily with JavaScript. This position requires proficiency in programming languages like Python, Java, and PHP, along with experience in CRM and marketing platforms such ...

Software Engineering Manager (9 Month FTC)

Software Engineering Manager – Data Engineering (9‑Month FTC) Capital One is looking for an experienced Software Engineering Manager to lead a team of eight Software Engineers in our Nottingham office, focusing on building and evolving our Data capabilities across the UK business and within our ad ...

MMM, Python, PYMC Bayesian Data Scientist

LeadingpharmaceuticalclientnowrequiresaSeniorDataScientisttodrivemarketingeffectivenessviamarketingmixmodellingandothermodels. Thisrolewilloverseedatacollection,extraction,manipulation,analysisandvalidationensuringdataisreadyformodelling. YouwillworkcloselywiththeDataScienceteamtobuildbasemodelsaccordingtoprojec ...

Data Platform Engineer Database Platform Python

Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international p ...

Senior Python Engineer – FinTech Data & SaaS

BMLL is seeking a Senior Engineer to join our hybrid team in London. This role involves designing and implementing features for market-leading SaaS applications in a fast-paced environment. You will collaborate closely with the Product Owner and mentor junior engineers. We value strong leadership, expe ...

Pricing Data Scientist: Python & Advanced Modelling

Arthur is seeking a Modelling Specialist / Pricing Data Scientist in the City of London. This role is aimed at enhancing their modelling capability through innovation, flexibility, and new techniques beyond traditional GLMs. The position involves building and testing pricing models, integrating data en ...

Python Data Platform Engineer — Hybrid London

A leading trading firm in London is looking for an experienced Python Software Engineer to join their team. This role focuses on designing and developing data and research platforms that support quantitative research. The candidate should possess strong Python skills, experience with distributed systems, and a d ...

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 ...

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 ...

Senior Python Engineer Climate Data Analytics

Zebra People is seeking a Senior Software Engineer to design and implement innovative data analytics systems in the sustainability sector. In this role, you will collaborate with teams to develop high-performance, secure systems for clients. With a competitive salary up to £100K and a flexible work env ...

Software Engineer (Python / Data Collection Systems)

Overview Our global technology client is looking for an experienced Software Engineer to join their pioneering Reality Labs research team, working on the next generation of immersive devices such as smart glasses and VR headsets. This role focuses on building and optimising systems for ...

Python Software Engineer Pension Tech & Data

Procentia - Pensions Software Solutions in Bristol is looking for a Software Engineer to enhance our software offerings. The role involves building and maintaining software, ensuring security and performance, and collaborating with clients and teams. Ideal candidates will have strong skills in Python a ...

Python Data Engineer — Build Scalable Pipelines

BCIS is seeking a Python Engineer (Data) to join their engineering team in Coventry. You will build production-grade data pipelines, work with SQL and relational databases, and collaborate with cross-functional teams. The role supports flexible working options and provides generous benefits including p ...

Data Platform Engineer AWS/Python | Hybrid

A leading data solutions company in Stretford is looking for a Data Platform Engineer to enhance their data infrastructure and support using AWS technologies. You will tackle complex data challenges and improve platform performance while collaborating in a hybrid work environment. Ideal candidates should have so ...

Python Data Engineer—Spark, Airflow & AWS

Opus Recruitment Solutions is seeking a skilled professional to work on Citizen Event Analytics (CEA). The role involves leading development, teaching the CEA system, and mentoring junior colleagues. Candidates should have experience with data processing, Apache Spark, and AWS services. Key skills incl ...

Data Protection Automation Engineer Python & Ansible

Soda is looking for a Data Protection Automation Engineer to work in London, United Kingdom. The ideal candidate will have extensive experience in software development, specifically with Python and Bash, and must be well-versed in automation tools like Ansible. Responsibilities include defining automated testing ...

Snowflake / Python Data Engineer (Contract) – London

Position Snowflake / Python Data Engineer (Contract) - London - Outside of Ir35 Location: London (2 days onsite per week) Contract: Outside IR35 Start: ASAP Interview process: Fast (interviews taking place Monday) Overview We are looking for an experienc ...

Python Data Analyst Quality & Modeling Support

A leading data insights company in Glasgow seeks a Data Analyst with a strong understanding of numerical and analytical skills. The ideal candidate will support data scientists by conducting quality control analyses and data investigations, requiring proficiency in Python and excellent communication. Join our di ...

Linux Engineer Data Centre (Python + SaltStack)

Stars Arena is seeking a Linux Engineer (Data Centre) located in London, United Kingdom. In this full-time position, you will leverage your expertise in Linux and Python to solve core infrastructure challenges and contribute to innovative projects in a tech-forward environment. The role offers a compet ...

Python Engineer – Quant Trading & Data Science

Java Script Works is seeking a Python Engineer to join a globally recognized High-Frequency Trading firm. The ideal candidate will have strong Python skills and experience with modern data processing libraries. Web development skills, familiarity with Linux, and a 2:1 STEM degree are required. As part ...

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 ...

FinTech Data Scientist (Python + SQL) – Newcastle

Client Server Ltd. is seeking a Data Scientist in Newcastle upon Tyne, offering a salary up to £80k. You will utilize your strong Python and SQL skills to analyze complex data sets at a growing FinTech company. The role includes working in a collaborative environment with opportunities for learning and ...

Graduate Data Analyst – GIS, Python & Visualization

Stantec is seeking a Digital Graduate for their 2026 Graduate Programme in Leeds. This position involves analyzing and visualizing data using GIS, Python, and Machine Learning, while collaborating closely with clients to provide tailored solutions. The ideal candidate will have a Bachelor’s degree in a ...

Python Engineer — Data Pipelines & Trading Systems

Cboe is seeking a Python Software Engineer in Greater London to develop data pipelines and support trading operations. You will work with business development, design reliable Python systems, and solve complex engineering problems. The ideal candidate will have solid Python knowledge, experience with S ...

Real Time Trading Data Engineer (Python)

Hunter Bond is seeking a high-impact engineer in Greater London to join a specialized team focused on a real-time risk and trading data platform. The ideal candidate will have a CompSci degree and over 4 years of experience in building production software and data systems. The role involves developing ...

Python Backend Engineer – Geoscience Data (Equity)

Client Server is looking for a Python Developer to work on exciting systems related to Polar Exploration in Cirencester, England. You will be part of a small tech start-up team, designing Greenfield applications that monitor Arctic ice flows and various data points for governmental and environmental contexts. ...

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 ...

Clinical Data Manager – Imaging & Python Automation

A cutting-edge cardiac imaging company in Liverpool is seeking a Data Manager to ensure accurate clinical data management and workflow optimization. This role involves coordinating study data, implementing Python-based automation, and liaising with teams to maintain data integrity. The ideal candidate has a rele ...

Quant Data Scientist Financial Markets & Python

Stars Arena is seeking a Data Scientist based in London, United Kingdom. This full-time role focuses on leveraging advanced Python and data handling libraries to analyze financial markets, requiring a postgraduate degree in a quantitative discipline. Ideal candidates will have strong programming skills ...

Big Data Trainer Hadoop/Python/R

Job Type : Online Training & Visit On Client Site If required. Experience : 4 to 10 years - Relevant experience Salary : INR 50,000 To 80,000 Per Month Qualification : Job Description Are you passionate about solving pro ...

Senior Python Data Scraping Engineer (Freelance)

Mindrift is looking for highly skilled Senior Python Data Scraping Engineers to join the Tendem project and drive specialized data scraping workflows within our hybrid AI + human system. In this role, as an AI Pilot – that’s how we refer to this role at Mindrift – you’ll collaborate wi ...

Senior Python Data Scraping Engineer (Freelance)

Mindrift is looking for highly skilled Senior Python Data Scraping Engineers to join the Tendem project and drive specialized data scraping workflows within our hybrid AI + human system. In this role, as an AI Pilot – that’s how we refer to this role at Mindrift – you’ll collaborate wi ...

Senior Data Engineer (Python / ETL / SQL)

OverviewWe're supporting a large-scale Workday HCM implementation and are looking for several experienced Data Engineers to join the programme immediately.This is a hands-on role working alongside senior stakeholders and delivery partners to support data migration, transformation and inte ...

🚀 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

    Lead Python Developer Cloud Fastapi Data Platforms Jobs in United Kingdom Job Search Guide, Trends and Insights