588,283+ 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

Front Office C#/.NET & React Engineer (Capital Markets)

Talan is seeking a skilled C# .NET Developer with REACT experience to join our delivery teams working on front office platforms within Global Markets environments. In this role, you will design, build, and enhance regulatory, alerting, and sales enablement solutions, supporting front-office users in fast-pace ...

Senior C#/.NET Developer – Securities Lending & Repo (Hybrid London)

Randstad Technologies Recruitment is seeking a Senior C# / .NET Developer for a 6-month contract in London. This role is hybrid with 3 days onsite per week. The successful candidate will design and support high-performance platforms focused on Securities Lending and Repo workflows while working in a critical ...

Android AI Apps Engineer (Kotlin)

BJAK is seeking an experienced Android Developer to enhance AI-powered applications on mobile platforms. The ideal candidate will have over 3 years of experience in Android development using Kotlin, strong skills in integrating AI features, and a solid understanding of performance optimization. This role emphasi ...

C Developer: Modernise Legacy Apps (Hybrid)

Express Recruitment is supporting a long-established software company in Nottingham seeking a C Developer to maintain legacy platforms and aid in modernizing systems. This full-time role offers a starting salary ranging from £40,000 to £55,000, along with an annual bonus, private healthcare, and flexible work ...

AWS DevOps Engineer – Cloud Migration & AI Bedrock

Oleeo in Wimbledon is looking for a skilled mid-level to senior developer to join their dedicated team focused on modernising infrastructure. You'll help drive the migration of legacy systems to an AWS/Hybrid architecture and develop new AWS-native systems, utilising AWS Bedrock for AI-driven recruitment tool ...

Site Reliability / Software Engineer (SC Cleared)

Site Reliability / Software Engineer (SC Cleared) Location: Gloucestershire SC Clearance required to start with the opportunity to be sponsored through DV Clearance after joining Salary: Up to £60,000 + Clearance Bonus To appy, email: Overvie ...

Data Solutions Engineer

Data Solutions Engineer Location: Birmingham, England, United Kingdom Salary range £28,000 - £31,000 We are looking for a talented Data Solutions Engineer to join our Incident Group and support the development and maintenance of SharePoint infrastructure and other Microsoft Office ...

Frontend Engineer

Data & AI | Technology & Engineering Leader About Us: We’re a VC-backed stealth-mode company building behavioural AI solutions for the retail industry. Our platform is designed from the ground up — no legacy, no patchwork systems — just a clean slate and a clear vision. Our missio ...

Software & Data Engineer (Newcastle Based)

Software & Data Engineer (Newcastle Based) Are you looking to accelerate your career in Software Engineering or Data Engineering? - designed for people who already have some technical background and are ready to take the next step. Whether you’ve completed a coding bootcamp, studied C ...

Client Delivery Lead

Telefónica Tech (part of the Telefónica Group) is a leading NextGen Tech solutions provider with a highly diversified team of over 6,000 employees from more than 60 nationalities. We serve more than 5.5 m customers daily across 175+ countries, offering a portfolio of market‑leading services in Cloud, Data ...

MLOps Engineer (SC Clearance)

This job is with CGI, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. MLOps Engineer (SC Clearance) Position Description At CGI, you will play a pivotal role in ena ...

Director / Vice President, IT/OT (Global)

Location: Global (Preferred: London, UK or United States) About Rubix At Rubix, we design and deliver end-to-end AI data center infrastructure — from site origination and development through to long-term operations. We partner with customers to scale AI with speed, efficiency, and ...

Head of AI Engineering

Head of AI Engineering Permanent - Manchester Hybrid with a focused on-site presence Join a pioneering 5yr+ TechBio company at the intersection of AI, synthetic biology, and industrial biotechnology. You will lead the building of an AI engineering platform connecting computational ...

Head of AI Engineering

Head of AI Engineering Permanent - Manchester Hybrid with a focused on-site presence Join a pioneering 5yr+ TechBio company at the intersection of AI, synthetic biology, and industrial biotechnology. You will lead the building of an AI engineering platform connecting computational ...

MOC RPA Automation Developer

As we move towards a Group Model between Sandwell and West Birmingham Trust (SWBT) and Dudley Group Foundation Trust (DGFT) we are looking for a talented RPA/Automation Developer to join our Group Data and Development Portfolio. This role is central to driving digital transformation by designing and implem ...

Data Architecture Associate Manager

Data Architecture Associate Manager Location:Birmingham Salary : Competitive salary package depending on experienceCareer Level: (We’re currently recruiting at the following levels - Associate Manager) Accenture is a leading global professional services compa ...

Flutter Developer iOS Mobile FinTech

Newcastle upon Tyne, Tyne and Wear | £90k - £120k per year Flutter Developer / Mobile Engineer Newcastle to £120k Do you have a first class education combined with mobile application development experience? You could be progressing your career as a Flutter Developer at ...

Delivery Solutions Architect (Data & AI, Project Delivery)

Delivery Solutions Architect (Data & AI, Project Delivery) Join to apply for the Delivery Solutions Architect (Data & AI, Project Delivery) role at Databricks At Databricks, we are on a mission to empower our customers to solve the world’s toughest data problems by utilizi ...

Associate Business Consultant Life Sciences Analytics

Veeva Systems is building the industry cloud for Life Sciences to help companies work in a more efficient and connected way. Learn more about our products, vision and values, and status as a public benefit corporation on our website. Consulting is changing, and we’re not like other firms. Veeva Bus ...

Solutions Architect

Principal Software Engineer BioTalent Oxfordshire, England, United Kingdom At BioTalent, we are working with a client to find there next .Principal Software Engineer They are a transformative Medical Device company focused on niche critical products with a global reach. You will b ...

Security Engineer

Snyk is the leader in secure AI software development, helping millions of developers develop fast and stay secure as AI transforms how software is built. Our AI-native Developer Security Platform integrates seamlessly into development and security workflows, making it easy to find, fix, and prevent vulnera ...

Data Architect

Data Architect London or Manchester | Hybrid Full time (35 hours per week) From £65,000 - Negotiable (depending on location and experience) + excellent benefits, including bonus We make health happen We're looki ...

Data Architect

Data Architect London or Manchester | Hybrid Full time (35 hours per week) From £65,000 - Negotiable (depending on location and experience) + excellent benefits, including bonus We make health happen We're looki ...

Data Architect

Job Description:Data ArchitectLondon or Manchester | HybridFull time (35 hours per week)From £65,000 - £85,000 (depending on location and experience)+ 10% Bonus & excellent benefitsWe make health happenWe’re looking for a Data Archi ...

DevOps Security

Join a business undergoing a major cloud and technology transformation, helping to power one of the UK’s most recognised digital platforms. This role sits at the heart of secure engineering, ensuring cloud environments, delivery pipelines, and applications remain protected while enabling fast-paced innovat ...

Chief Technology Officer

Build the future of AI Infrastructure and Managed Services. We're partnering with an established and highly respected infrastructure and managed services provider that is entering a major growth phase. With strong enterprise demand already in place, the business is looking to appoint a visionary ...

Senior Quality Engineer

Reporting To: QA ManagerDepartment: DevelopmentLocation: Milton Keynes/Homebased - with occasional travel to the office in Milton KeynesOverviewGraphnet are one of the UK’s leading software providers of Shared Care and Health analytics solutions. A “Cloud First” or ...

Principle Architect and Developer

Job Description Principle Architect and Developer £95,000 - £115,000 + bonus Hybrid (minimum of 3 days per week in Leeds) Join a leading financial institution who are seeking a Principle Architect and Developer who is skilled subject matter expert in Microsoft Dynamics, Power Apps, and automation to lead our cen ...

DevOps Engineer

Are you a DevOps Engineer with experience in Azure cloud infrastructure and Terraform, delivering scalable, secure, and production-ready platforms? Do you excel in collaborative, technically challenging environments where your expertise makes an impact? If so, we may have the role for you. We’re loo ...

Full Stack Engineer

Direct message the job poster from algo1 Data & AI | Technology & Engineering Leader About Us: We’re a VC-backed stealth-mode company building behavioural AI solutions for the retail industry. Our platform is designed from the ground up — no legacy, no patchwork systems — ...

Full Stack Engineer

Senior to Staff level Full Stack Engineer London Hybrid - 4 days in office Permanent Salary - 110-150k (based on experience level) + Benefits, share options, L&D budget and more. Some engineering roles are about ...

Engine Programmer (Hybrid)

Programmer - Programming - Kentish Town, London, United Kingdom We want you to join our DevOps team as an Engine Programmer (DevOps) and help shape the technical backbone of Rocksteady’s next project built in Unreal Engine 5. In this role, you’ll focus on the systems that make development fast, r ...

SRE – Production Infrastructure

Salary: up to £200k base + bonusSummaryOne of the world’s largest HFT funds is looking for a talented SRE to join their global infrastructure organisation to work on a wide range of exciting and challenging projects.As a hybrid Systems Engineer/Software Developer ...

Engine Programmer (Hybrid)

Programmer - Programming - Kentish Town, London, United Kingdom We want you to join our DevOps team as an Engine Programmer (DevOps) and help shape the technical backbone of Rocksteady’s next project built in Unreal Engine 5. In this role, you’ll focus on the systems that make development fast, r ...

Data Architect Canonical Data Modelling & EDM

ace has been engaged by a leading UK-headquartered wealth and asset management firm to support a multi-year technology transformation programme. The organisation manages assets across discretionary wealth, Responsible Investment (RI), charity, and institutional mandates, and is undergoing significant change: ...

Senior Director Conversational and Generative AI

This modern technology leader will continue to be at the forefront of driving enterprise-wide applications across Mars like Conversational AI/ML , RPA and Virtual Assistant, along with specialized cloud-based capabilities, and finally supporting a broad range of agile sprints which leverage our centers of ...

Graduate Data Scientist

Overview Introduction Evident is an intelligence platform that benchmarks and tracks AI adoption across the financial services sector. Our mission is to accelerate the adoption of AI across the sector by creating the most complete, unbiased and transparent public benchmarks of AI capability. Sinc ...

Senior Data Scientist

Paysafe is a global payments platform powering the experience economy, with a strong focus on the iGaming, video gaming, e-commerce, retail, travel and hospitality sectors. With 30 years of expertise in payment technology, Paysafe helps businesses and consumers lift every experience through seamless, secur ...

Senior Security Architecture & Engineering Leader Hybrid

慨正橡扯 is seeking a Senior Technology Manager for Security Architecture & Engineering based in the UK. This hybrid role requires leadership in defining security architecture and guiding a team dedicated to integrating security into cloud-native platforms. Successful candidates should have extensive exper ...

Senior Network Security Architect: Cloud & Zero Trust

Prism Digital is seeking a Senior Network Security Engineer in Windsor, England. You will secure large-scale software platforms used across healthcare, financial services, and government environments. The role requires experience in designing network security for hybrid and multi-cloud environments, fo ...

Senior Backend Engineer — Cloud Security & Scalable Systems

Cacheflow is seeking an experienced Expert Backend Engineer to join our expanding R&D team in Greater London. In this role, you will focus on developing and maintaining large-scale backend components for our cloud security platform. The ideal candidate will have over 8 years of experience in backend engineering, ...

Senior DevSecOps Engineer — Secure CI/CD Automation (Hybrid)

Teya is seeking a Senior DevSecOps Engineer specializing in Security Tooling & Enablement to integrate security into CI/CD pipelines and cloud platforms. The successful candidate will focus on automating security controls, working closely with platform and cloud teams to enhance delivery workflows. Dem ...

London Hybrid: Senior Security Architect & Incident Lead

Spencer Rose is looking for a Senior Security Analyst (L3) / Security Architect in London with a hybrid/remote option. This senior role requires extensive experience in security operations, cloud security, and incident response. The position involves leading security incidents, designing security solutions, and ...

Cloud AI Engineer (3 6 Month FTC) – AWS, SageMaker

William Hill PLC is seeking a Cloud Engineer for a 3-6 month Fixed Term Contract based in Leeds. The successful candidate will work within a newly formed team to help build and evolve Evoke's AI platforms. This position includes responsibilities like designing cloud-native services, improving AI infras ...

Infrastructure Security Consultant: Zero Trust & Hybrid Cloud

IBM is seeking a Senior Security Consultant specializing in Infrastructure Security in Hursley, UK. You will advise clients on securing hybrid cloud and infrastructure environments, conduct risk assessments, and design strategies to enhance their security posture. The role requires strong knowledge of network se ...

Senior SAP SaaS Architecture & Security Lead

Falcon Smart IT (FalconSmartIT) is seeking a qualified candidate to own the architecture, security, and operations of SAP SaaS platforms, including S/4HANA Cloud, SuccessFactors, and Ariba. The ideal candidate will have 8-12 years of experience in SAP Basis and a solid understanding of integration design. </p ...

Senior Principal Architect, SaaS Platform Lead

A leading analytics and technology company in Greater London is seeking an experienced Principal Architect. In this role, you will design and develop scalable and secure software architectures, mentor engineering teams, and drive innovation in a modern cloud-based environment. You will collaborate with stakehold ...

Founding AI Platform & Security Engineer

A pioneering AI company is seeking a Founding Platform & Security Engineer to shape and secure their cutting-edge AI platform. This role involves leading the technical vision, designing comprehensive security systems, and collaborating with AI and engineering teams to safely deploy across multiple cloud environm ...

Principal Engineer Platform Enablement

Centrica, Technology is a core driver of how we deliver our strategy. You’ll join a team modernising our platforms, strengthening cyber and operational resilience, and advancing a product‑led way of working that brings engineers, data specialists and business experts together to deliver meaningful outcomes ...

New Social Channels & Platforms Manager, Prime Video International Social Media

Job ID: | Amazon Digital UK Limited Come build the future of entertainment with us. Are you interested in helping shape the future of movies and television? Do you want to help define the next generation of how and what Amazon customers are watching? Prime Video is a first‑stop entertainment dest ...

🚀 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