657,209+ 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

Data Scientist AI & Advanced Analytics

Introduction At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors. You’ll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and ...

Senior C++ Software Engineer Cyber Security

Senior C++ Software Engineer – Cyber Security (PR/ ) Cambridge, England Salary: GBP68000 - GBP80000 per annum + bonus + benefits Senior C++ Software Engineer / Developer in Cambridge / WFH to £80k Do you have strong backend C++ software development experience? You could be progres ...

Application Security Engineer

Requirements 4+ years of hands‑on experience in application security engineering, with a proven track record of securing large‑scale production systems—bonus points if you've worked in fast‑growing startups or high‑growth environments Understanding of developer experience and deve ...

Senior Earnix Developer (SME)

Job Role Data Management and Analytics-Data development/developers Experience (In Years) 9-12 Job Location London, United Kingdom Job Description EXL (NASDAQ: EXLS) is a global data and artificial intelligence (AI) company that offers services and solu ...

Senior Data Scientist AI Practice Team

We are seeking an exceptional Senior Data Scientist to join us full-time in our Artificial Intelligence (AI) Practice Team, Europe. In this role, you will lead the design and delivery of analytics and machine learning solutions across policy, data, and document-centric AI engagements, working with complex ...

Senior Data Scientist AI Practice Team

We are seeking an exceptional Senior Data Scientist to join us full-time in our Artificial Intelligence (AI) Practice Team, Europe. In this role, you will lead the design and delivery of analytics and machine learning solutions across policy, data, and document-centric AI engagements, working with complex rea ...

Senior IDMC/IICS Developer — Hybrid London

Randstad Technologies Recruitment is seeking a Senior IDMC/IICS Developer for a hybrid position in London. The role involves designing and optimizing cloud-based data integration solutions using Informatica IDMC/IICS services. The ideal candidate should have 6-8 years of experience in ETL/Data Integrat ...

Principal Software Engineer

Principal Platform Engineer FULLY REMOTE ACROSS UK AND IRELAND Our client is a fast-scaling fintech building the next generation of payment infrastructure. They're merchant-first, engineering-led, and genuinely obsessive about outcomes over process. Small teams, real autonomy, hard problem ...

Software Developer .NET & Angular

DescriptionNetwork Plus is one of the UK's leading providers of essential utility and infrastructure services, delivering critical work across power, gas, water, and telecoms for the nation's largest network owners.We're modernising the platforms behind that work, and we're l ...

Senior Backend Engineer – AI Powered SaaS, Scalable

A fast-growing AI company in Greater London seeks a Back-End Developer to collaborate with the Product team and Data Scientists. You will play a key role in designing and maintaining systems for AI-powered products. The ideal candidate has 3-5 years of back-end development experience, proficiency in programming ...

Quantitative Developer High Performance Trading Systems

A leading systematic hedge fund in the UK is seeking a Quantitative Developer to design, implement, and maintain trading systems. This role combines software engineering and quantitative research, focusing on building reliable tools for systematic investment strategies. Candidates should have strong programming ...

Quantitative Developer: Pricing Models & Risk Analytics

TradingHub Group is seeking a Quantitative Developer to design and validate pricing models. The role requires proficiency in C#, C++, or Python and experience in financial markets to develop financial pricing libraries and algorithms. The successful candidate will work in a dynamic environment, with re ...

AI Driven Trading Data Analyst

Janus Henderson Global Investors is seeking an AI developer for their EMEA Equity Trading team. This role involves analyzing trading data and automating processes using AI. Candidates should have a strong technical background, particularly in Python and AI, and the ability to communicate effectively with trad ...

Senior Data Scientist — ML, NLP & Generative AI for Science

LexisNexis Risk Solutions in Greater London seeks a skilled AI Developer to design and build machine learning, NLP, and generative AI solutions. You will work with large-scale scientific content and data, and develop capabilities for semantic search, information retrieval, and more. Ideal candidates ha ...

AI Solutions Engineer Defence Training

Prattwhitney is seeking an AI/ML Developer in Warminster to support the British Army's training objectives through the development and integration of AI solutions. You'll handle tasks including data processing, model evaluation, and collaborate with cross-functional teams to ensure secure deployments. ...

MLOps Engineer: Deploy, Scale & Automate ML

A leading marketing technology company in Dundee, Scotland, is seeking an experienced MLOps Developer. In this role, you will manage ML model deployments and collaborate with data scientists to integrate models into production systems. You should have at least 2 years of experience in a related role, proficiency ...

Senior Backend Engineer — AI Powered SaaS

A fast-growing tech company in the UK is looking for a Back-end Developer to work closely with the Product team and Data Scientists. The role involves designing and maintaining back-end services while ensuring high performance and reliability. The ideal candidate should have a degree in Computer Science, 3-5 yea ...

Senior Director, Fan Data Infrastructure & Operations

Warner Music Group is looking for a Senior Director, Fan Data Infrastructure, to lead the operational and technical integration of our direct-to-fan ecosystem. This position is pivotal in ensuring that fan data is reliable and secure across different marketing platforms. The ideal candidate will have 8 ...

Virtualisation Engineer

Job Description:Virtualization EngineerLocation: Gloucestershire - on site 5 days Due to security clearance requirements candidates must be eligible for or currently hold SC or DV. Candidates must be sole UK national/British citizenand resided in the UK for 10 year ...

Sr. Observability Engineer – Kings Cross, London

Music is Universal It’s the passionate and dedicated team at Universal Music who help make us the world’s leading music company. From A&R to finance, legal to digital, sales to marketing, Universal Music is the place to grow and develop your career within a truly commercial and innovative business that leads ...

Sr. Observability Engineer

Music is Universal It’s the passionate and dedicated team at Universal Music who help make us the world’s leading music company. From A&R to finance, legal to digital, sales to marketing, Universal Music is the place to grow and develop your career within a truly commercial and innovative business ...

Sr. Observability Engineer

Company Overview Music is Universal It’s the passionate and dedicated team at Universal Music who help make us the world’s leading music company. From A&R to finance, legal to digital, sales to marketing, Universal Music is the place to grow and develop your career within a truly commerci ...

Technology Director: Retail AI/Cloud Strategy

Intellias is seeking a Technology Director to lead the technology strategy for a major retail account. This role requires over 15 years of expertise in technology leadership, with strong skills in data platforms, cloud architectures, and AI/ML. The successful candidate will act as a trusted advisor, ensuring del ...

Forward Deployed Engineer

Job DescriptionForward Deployed Engineer (FDE) — AI & SolutionsJoin us at Zendesk, where we're on a mission to power exceptional service for every person on the planet. We're accelerating that ambition by building products ...

Node.js Backend Engineer Build Scalable, Secure APIs

A recruitment agency in the tech sector is seeking a Back End Developer (Node.js) for a leading cybersecurity client in the UK. In this role, you will design and maintain scalable APIs, enhance data feeds, and ensure secure integrations. The ideal candidate has a bachelor’s degree in Computer Science and over th ...

Security Engineer Product & Production Infrastructure

Come join the company that is reinventing cloud security and empowering businesses to thrive in the cloud. As the fastest‑growing startup ever, Wiz is on a mission to help organizations secure cloud environments that accelerate their businesses. Trusted by security teams all over the world, we have a prove ...

Security Engineer Product & Production Infrastructure / Product Security Remote United Kingdom

Security Engineer - Product & Production Infrastructure Remote - United Kingdom | Product Security Come join the company that is reinventing cloud security and empowering businesses to thrive in the cloud. As the fastest-growing startup ever, Wiz is on a mission to help organizations se ...

AI Ops Platform Engineer

Overview Join us as an AI Ops Engineer, to build and run an enterprise AI Factory within our Card Merchant Services organisation, enabling AI‑driven change across the merchant payments lifecycle. This role focuses on acquiring, risk and fraud, and merchant servicing, delivering a secure, ...

Data Engineer

Data Engineer Position DescriptionAt CGI, we design and deliver data-driven solutions that transform how the UK's public and commercial sectors operate, enabling smarter decisions and better outcomes for millions. As a Data Engineer within our Delivery Centre, you'll build the platforms and pipelines ...

AWS Cloud Architect eSC or eDV Clearance Required

At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors. You’ll collaborate with top industry professionals, gain hands‑on experience with cutting‑edge technologies, and deliver solutions that ...

Full Stack Developer (Java/React/FX/Trading) London Outside IR35

Job Description Full-Stack Developer (React Native / Java) | London Hybrid | FinTech | Outside IR35 | React, React Native, Java, AWS | £550–600/dayA growing financial technology company is scaling its engineering team as it builds the next generation of modern web and mo ...

Data Architect

Data Architect Up to £125,000 About the Role We are seeking a Data Architect to support the design and delivery of modern Azure-based data solutions within a fast-growing data consultancy environment. This role plays a key part in helping clients define and deliver scalable, clo ...

Data Platform Engineer

We seek an experienced Data Platform Engineer to join our leads team. As a Data Platform Engineer, you will play a crucial role in managing data platform engineering and core toolsets, with a focus on Azure infrastructure as code. You will ensure our data infrastructure's reliability, scalability, and perf ...

Senior Core Banking Developer

Overview We're looking for a Thought Machine (4th Generation) Developer to design, build, and evolve core banking products on modern, cloud‑native platforms. You’ll configure and implement Vault‑based product logic (or equivalent product/ledger engines), build integration services and APIs, and p ...

Senior Platform Software Engineer

About PolyAI PolyAI automates customer service through lifelike voice assistants that let customers lead a conversation. Our voice assistants enable businesses to deliver customer service that rivals human agents. Responsibilities Deliver production‑ready, reliable, and sc ...

AWS Platform Engineer

Location: Hybrid working – minimum 1 day per month in the London office Requirement: UK Security Clearance eligibility required Permanent, full-time position We’re hiring Senior and Principal AWS Platform Engineers to join a fast-growing cloud and platfor ...

Software Development Manager

Direct message the job poster from ByteHire Principal Engineer / CTO. Open Source Leader. Public Speaker. Polyglot technical problem solver. Job Role: Software Development Manager Reference: BH-352p Job Type: Permanent ...

Sr Software Engineer Media Buying Team

Senior Software Engineer - Engineering Description Channel Factory provides intelligent marketing solutions for the next generation of contextual safety, suitability, and performance for brands and agencies. Our platform helps marketers implement, automate, and scale their marketing ...

Principal SDET

Principal Software Development Engineer in Test Job title: Principal SDET Reports to: Director of Software Engineering Role Overview The Principal SDET will lead the quality engineering function across Space NK's technology landscape, defining and driving a cohesive QA a ...

Remote Data Engineer AI Driven Pipelines & Scale

Akkodis is hiring a Data Engineer for an AI-driven SaaS platform. The role involves designing and implementing large-scale data solutions, focusing on engineering data pipelines, optimizing data flow, and ensuring the reliability and scalability of our data infrastructure. The position offers a competitive salar ...

Head of Engineering, SAP/Oracle Platform & Transformation (HR and Finance)

We are seeking a senior engineering leader to support the evolution of core enterprise platforms across HR and Finance, with a focus on the technical architecture, stability and modernisation of both SAP and Oracle estates. This role will focus on the technical foundations of these platforms includ ...

Head of Engineering, SAP/Oracle Platform & Transformation (HR and Finance)

We are seeking a senior engineering leader to support the evolution of core enterprise platforms across HR and Finance, with a focus on the technical architecture, stability and modernisation of both SAP and Oracle estates. This role will focus on the technical foundations of these platforms includ ...

Head of Engineering, SAP/Oracle Platform & Transformation (HR and Finance)

We are seeking a senior engineering leader to support the evolution of core enterprise platforms across HR and Finance, with a focus on the technical architecture, stability and modernisation of both SAP and Oracle estates. This role will focus on the technical foundations of these platforms including ...

Software Engineer

Are you passionate about building scalable software solutions and working with modern technologies in a collaborative environment? Our client is looking for a talented Software Engineer to join a dynamic development team, contributing to the design, development, and continuous improvement of high-q ...

Senior Software Engineer

Are you passionate about building scalable software solutions and working with modern technologies in a collaborative environment? Our client is looking for a talented Software Engineer to join a dynamic development team, contributing to the design, development, and continuous improvement of high-qu ...

AI Governance Engineer — Data Pipelines & ML Collaboration

8120 Barclaycard UK is seeking a Data Engineer to build and maintain robust data systems. The successful candidate will be responsible for developing data architectures and collaborating with data scientists on machine learning initiatives. This role is based in London, with a hybrid working model requ ...

Data Engineer: Clinical Trials Data Pipelines

Qureight Ltd in Cambridge is seeking a Data Engineer to design and implement data processing plans for clinical trials. The role involves collaborating with multidisciplinary teams and ensuring robust, scalable data pipelines that meet regulatory compliance. Ideal candidates will have experience in dat ...

Data Engineer: Clinical Trials Data Pipelines

Qureight Ltd in Cambridge is seeking a Data Engineer to design and implement data processing plans for clinical trials. The role involves collaborating with multidisciplinary teams and ensuring robust, scalable data pipelines that meet regulatory compliance. Ideal candidates will have experience in dat ...

Group Engineering Manager

Group Engineering Manager (Cloud Security)Belfast (Hybrid, 2-3 days in office) | Up to £150,000 + Equity | Cloud Security Scale-up Senior technical leadership role managing multiple backend and infrastructure engineering teams Cloud-native stack: Golang, Ja ...

Senior Software Developer

Successful candidates may be based in any of our office locations – Cardiff, Glasgow or London. We especially welcome applicants from Cardiff and Glasgow. Job Summary Technology plays a vital role in supporting the schemes that are helping drive the UK’s transition to greener energy, and ...

🚀 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

    Buffering Video...

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