630,263+ 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

Lead Appian Developer Hybrid Leadership

Manchester Digital is seeking a Lead Developer (Appian) to join our Digital Change team. In this role, you'll set engineering standards and ensure high-quality, secure delivery. You will lead the direction of technical projects while mentoring developers and driving best practices. This position offers ...

ServiceNow Lead Developer & Platform Architect

Worldpay is seeking a ServiceNow Development Lead to join our evolving ServiceNow Platform team. This role involves leading and mentoring a team of ServiceNow Engineers, ensuring high standards in technical leadership and accountability. Your responsibilities will include driving agile delivery process ...

Developer Experience Lead: Platform & Enablement

Capital One (Europe) plc is seeking a Lead Software Development Engineer in Nottingham. You will enhance developer experience by supporting software delivery, improving engineering processes, and collaborating across teams. This role requires strong communication skills and programming expertise in Java or TypeS ...

NetSuite Developer and Integration Lead

Title: NetSuite Developer Location: London Hybrid: 3-4 days a week onsite Salary: £75,000 + Our client a large scale software company is seeking a permanent NetSuite Technical Administrator to join there company on a permanent basis. The NetSuite Techn ...

NetSuite Developer and Integration Lead

Title: NetSuite Developer Location: London Hybrid: 3-4 days a week onsite Salary: £75,000 + Our client a large scale software company is seeking a permanent NetSuite Technical Administrator to join there company on a permanent basis. The NetSuite Techn ...

NetSuite Developer and Integration Lead

Title: NetSuite Developer Location: London Hybrid: 3-4 days a week onsite Salary: £75,000 + Our client a large scale software company is seeking a permanent NetSuite Technical Administrator to join there company on a permanent basis. The NetSuite Techn ...

NetSuite Developer and Integration Lead

Title: NetSuite Developer Location: London Hybrid: 3-4 days a week onsite Salary: £75,000 + Our client a large scale software company is seeking a permanent NetSuite Technical Administrator to join there company on a permanent basis. The NetSuite Techn ...

Lead Developer Advocate, Creator Platform

London, England, United Kingdom Become part of a team working on some of the most rewarding, large-scale creative projects to be found in any entertainment medium - all within an inclusive, highly-motivated environment where you can learn and collaborate with some of the most talented people in the ...

Lead Software Developer (AI Solutions)

Company Overview PSI is a leading Contract Research Organization (CRO) with 30 years of experience in the pharmaceutical industry. Originated in Switzerland, PSI is a privately owned, full-service CRO with a global reach, supporting clinical trials across multiple countries and continents. Our re ...

ServiceNow Development Lead / Senior Developer

London-based ServiceNow Development Lead / Senior Developer required to join an established delivery team. This is a hands-on role combining high-output development with responsibility for supporting and guiding an existing offshore development team. The role suits someone who wants to be p ...

Senior Lead C# Software Developer

Senior Lead C# Software Developer We urgently require a Senior C# Lead Developer with at least 5 to 10 years solid expertise in developing financial systems ideally banking systems. Your experience should include extensive knowledge of developing complex financial systems in C# as Teal Le ...

Lead Developer in Leeds Hays

Working Policy (40% office based per week) What We're Looking For Technical experience in one or more of the following: Java/Kotlin, JavaScript/TypeScript, Angular, AWS. Experience in managing/mentoring teams, combined with strong stakeholder management. Strong… Your New ...

AI Architect & Senior Developer Lead

USS is looking for a Senior Analyst Developer - AI Lead to provide technical guidance and architectural oversight for AI solutions while collaborating with various teams within the organization. This role involves defining standards, validating designs, and supporting the safe adoption of AI technologi ...

Lead Back End Developer Java

London, United Kingdom | Posted on 17/09/2025 Segmentify is an e-commerce personalization platform helping online retailers to optimise their conversion rates by enabling them to deliver a unique shopping experience for each visitor. Segmentify tracks each individual visitor’s behaviour ...

Lead Developer (Backend) – Game Studio

Sunderland - Hybrid - Permanent What this role looks like We’re looking for a Lead Developer to join our Game Engine team here at tombola. This is one of those roles where you genuinely get the best of both worlds. You’ll be hands‑on leading the development of our ...

Lead Developer 6 month FTC

Torchbox City Of Bristol, England, United Kingdom Lead Developer - 6 month fixed term contract Base salary range: £49,129 - £70,000 per annum* All salaries listed on our roles are based on UK salary bands, however, if you’d like more information on the bands for your coun ...

Lead Game Developer & Squad Mentor

Hybrid - Sunderland - Perm Responsibilities You will be responsible for helping to increase the capacity of the game studio by taking on some responsibility for people management and personal development for a small squad of developers. We want squad leads who are focused on deliv ...

Senior/ Lead Mobile Applications Developer

This is a remote role with some monthly travel to Glasgow, Scotland. Essential Duties and Responsibilities Provide technical and team leadership in the design, implementation, and testing of high-performance, high-quality video communication applications for Android and iOS operatin ...

Lead Power Platform/Copilot Developer

Must be eligible for Security Clearance Where the job is based : Hybrid (home-based, working with Kerv Digital office/customer site visits as required) UK HQ, Seven House, 18 High Street, Longbridge, B31 2UQ As a Lead Power Platform Developer at Kerv Digital, you will lead te ...

Project Lead Developer (Ref: 193097)

We are seeking an experienced Lead CAA Project Lead Developer to architect and develop advanced software modules for the Dassault Systems V6 3DEXPERIENCE platform, including integration with CATIA and ENOVIA environments. This position will lead the design and development of a new ray-tracing and v ...

Lead Software Developer (AI Solutions)

PSI is a leading Contract Research Organization (CRO) with 30 years of experience in the pharmaceutical industry. Originated in Switzerland, PSI is a privately owned, full-service CRO with a global reach, supporting clinical trials across multiple countries and continents. Our reputation for being highly sele ...

Lead Game Developer Game Studio

Hybrid - Sunderland - Perm Responsibilities You will be responsible for helping to increase the capacity of the game studio by taking on some responsibility for people management and personal development for a small squad of developers. We want squad leads who are focused on deliv ...

Lead Full Stack Software Developer

Technical Lead Full Stack Developer (TypeScript, JavaScript, Node) Location: Hybrid working within Hampshire Salary: Competitive + benefits We're working with a fast-growing UK SaaS technology company that builds data-driven digital products used by commercial teams to better understa ...

Lead Full Stack Software Developer

Technical Lead Full Stack Developer (TypeScript, JavaScript, Node) Location: Hybrid working within Hampshire Salary: Competitive + benefits We're working with a fast-growing UK SaaS technology company that builds data-driven digital products used by commercial teams to better understa ...

Lead Full Stack Software Developer

Technical Lead Full Stack Developer (TypeScript, JavaScript, Node) Location: Hybrid working within Hampshire Like the look of this opportunity Make sure to apply fast, as a high volume of applications is expected Scroll down to read the complete job description.Salary: Competitive + bene ...

Lead Full Stack Software Developer

Technical Lead Full Stack Developer (TypeScript, JavaScript, Node) Location: Hybrid working within Hampshire Like the look of this opportunity Make sure to apply fast, as a high volume of applications is expected Scroll down to read the complete job description.Salary: Competitive + bene ...

Lead Full Stack Software Developer

Technical Lead Full Stack Developer (TypeScript, JavaScript, Node) Location: Hybrid working within Hampshire Salary: Competitive + benefits We're working with a fast-growing UK SaaS technology company that builds data-driven digital products used by commercial teams to better understa ...

Lead Full Stack Software Developer

Technical Lead Full Stack Developer (TypeScript, JavaScript, Node) Location: Hybrid working within Hampshire Salary: Competitive + benefits We're working with a fast-growing UK SaaS technology company that builds data-driven digital products used by commercial teams to better understa ...

Senior Front End/Lead Developer

Senior Front End / Lead Developer The Company: At Amber Labs, we are a cutting-edge UK and European technology consultancy that prioritises empowering autonomy, promoting experimentation, and facilitating rapid learning to provide exceptional value to o ...

C++20 Developer Tech Lead

Salary: up to £200k + bonusSummaryLeading global quant firm looking for a talented engineer with experience in modern C++ to join the quantitative sports trading team. Despite serving as the hub for managing the substantial operations across the UK, Europe and the Middle Ea ...

Lead Software Developer Leeds cGBP50K

Lead Software Developer - Leeds - c£50K An established organisation is looking to appoint a Lead Software Developer to help modernise and utilise the broader team across newer technologies. This is a key role within the development function, combining hands‑on technical delivery with team ...

Lead Acumatica ERP & Integrations Developer

A global solutions provider is seeking a Lead ERP Developer in Poole to design, develop, and maintain customisations for the Acumatica ERP platform. This mid-senior level role requires expertise in C# and .NET, with responsibilities that include integrating external systems and optimising workflows. The ideal ca ...

ServiceNow Lead Developer & Platform Architect

Worldpay is seeking a ServiceNow Development Lead to guide our ServiceNow Platform team. This role involves technical leadership and team management, driving high-quality delivery in an Agile setting. The ideal candidate will possess deep knowledge in ServiceNow development, governance practices, and e ...

Lead Full Stack Software Developer

Technical Lead Full Stack Developer (TypeScript, JavaScript, Node) Location: Hybrid working within Hampshire Salary: Competitive + benefits We're working with a fast-growing UK SaaS technology company that builds data-driven digital products used by commercial teams to better understand and engage with their cu ...

Lead Full Stack Software Developer

Technical Lead Full Stack Developer (TypeScript, JavaScript, Node) Location: Hybrid working within Hampshire Salary: Competitive + benefits We're working with a fast-growing UK SaaS technology company that builds data-driven digital products used by commercial teams to better understand and engage with their cu ...

Sr. Product Marketing Manager Developer Ecosystem

Sr. Product Marketing Manager - Developer Ecosystem Smartsheet 29 July 2025 For over 20 years, Smartsheet has helped people and teams achieve–well, anything. From seamless work management to smart, scalable solutions, we’ve always worked with flow. We’re building tools that empower teams ...

SC Cleared – Cloud Engineer (Databricks / Azure)

Base pay range Direct message the job poster from Montash AI & Data Experts - Senior Delivery Consultant Job Title: SC Cleared – Cloud Engineer (Databricks / Azure) Location: Fully Remote (UK-based) Day rate: Up to £400 a day (Inside IR35) ...

Senior Frontend Developer (React)

Senior Front End Developer (TypeScript, React, Next) Location: Liverpool City Centre (Hybrid Working) Salary: Up to £75,000 We’re partnering with a highly successful, financially stable technology business in Liverpool City Centre that continues to deliver strong year‑on‑year grow ...

Big Data Architect

Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. We have been meeting customers wherever they are in the digital lifecycle and helping them outperform their competition through speed and innovation. </p ...

Senior Security & Compliance Architect Hybrid Working on offer

Senior Security & Compliance Architect London / Hybrid (1-2 days onsite per week) Salary: Up to £140,000 + Package We are seeking a Senior Security & Compliance Architect to lead the design, governance, and assurance of secure cloud and SaaS platforms across large-scale ...

AWS Cloud Architect eSC or eDV Clearance Required

**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 deliver so ...

AWS Cloud Architect eSC or eDV Clearance Required

**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 deliver so ...

AWS Cloud Architect eSC or eDV Clearance Required

**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 deliver so ...

AWS Cloud Architect eSC or eDV Clearance Required

**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 deliver so ...

AWS Cloud Architect eSC or eDV Clearance Required

**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 deliver so ...

Back end Developer (Java & Spring Boot/GCP, Inside IR35)

Requirements Java Spring Boot: Confirmed level proficiency for the architectural rebuild Database: PostgreSQL Cache: Redis/Valkey Architecture: REST Architecture and Event-Driven architecture Cloud & Infrastructure: Google Cloud Platform GCP and Kuber ...

Senior Platform Engineer

This role is ideally suited to an experienced software engineer, who loves building scalable cloud infrastructure, and applies software engineering principles to infrastructure code. As a member of our engineering team, you will play a key role in designing, creating and maintaining infrastructure that all ...

Enterprise Architect ( Java J2ee) BFSI domain

Enterprise Architect (Java J2ee) – BFSI Domain Kryptos Technologies UK Limited London – Contract – 12 months + Key Responsibilities Strategic Engagement & Transformation Leadership Drive architectural discussions with CXOs, busi ...

Devops Engineer

The Core Banking Platform is responsible for the systems that process payments, manage accounts, and deliver essential banking functionality. We serve all areas of the Bank that consume transactional data from our Core Banking Systems—supporting colleague and customer journeys, regulatory reporting, and re ...

🚀 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