Software Developer Pythonreact Jobs in London, UK

Professional job seekers finding United Kingdom jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Senior React Engineer for Real Time, High Performance UI

HCLTech is looking for a skilled UI Developer specializing in React and TypeScript to design and develop performance-oriented applications. You will work on significant projects, ensuring the delivery of high-availability systems. The ideal candidate will have strong experience in the UI development li ...

Hybrid .NET Backend Engineer for FinServ & Insurance

Capgemini is seeking a skilled .NET Developer to join their dynamic team in Greater London. This role involves designing and developing robust backend applications using C#, .NET Core, and ASP.NET while contributing to integrations and working with cross-functional Agile teams. You will have the opport ...

PowerApps Lead for Digital Transformation & Automation

Cromwell Banks is seeking an experienced PowerApps Developer / Lead to drive a digital transformation programme focused on Microsoft Power Platform. This hybrid role requires developing user‑centred PowerApps solutions and automating processes through Power Automate while providing governance across the platf ...

Lead Design Manager, Hyperscale Data Centres (EMEA)

A global data center developer in Greater London is seeking a Senior / Lead Design Manager EMEA to oversee the full design lifecycle of hyperscale data center projects. The role entails leading technical due diligence, coordinating multidisciplinary teams, and ensuring compliance with global standards. Strong ex ...

Senior Java Backend Engineer – Cloud Native Microservices

A leading financial institution in London is seeking a Senior Java Developer for a 10-month onsite contract. The role involves designing, building, and maintaining Java-based backend systems, with a focus on cloud-native and microservices architectures. The ideal candidate has hands-on experience with Java, clou ...

iOS Engineer — Climate Tech (Hybrid)

A leading UK climate tech company seeks an iOS Developer to enhance their mobile experience. You will design and maintain high-quality iOS applications, collaborating with diverse teams to solve complex problems. The role offers a hybrid work environment at Sustainable Ventures in Waterloo, along with benefits l ...

Senior Game Economy Designer Drive LiveOps & Monetization

A leading game developer in Greater London is seeking a Senior Game Economy Designer to enhance player experiences through optimized in-game economies. The ideal candidate will have at least 3 years of experience in mobile or freemium game design, strong analytical skills, and a degree in economics. Benefits inc ...

BI & Partnerships Operations Lead

Trading 212 is looking for a proactive Business Intelligence Developer in Greater London. The successful candidate will analyze data, resolve complex problems, and enhance customer value through impactful collaborations. Responsibilities include working with tech teams, optimizing processes, and making data-driv ...

Cloud Native Data Platform Engineer

NextWave Consulting is seeking a Data Technology Engineer in Greater London to design and build secure, multi-tenant data platform capabilities. The role involves working closely with security and risk stakeholders, managing APIs, data orchestration, and integrating services. Candidates should have strong experi ...

Data Analytics Engineer: Power BI + Azure

PJT Partners is hiring a Data Analytics Developer in London. The candidate should have over 5 years of experience in data analysis and proficiency in Power BI, SQL, and Azure services. Responsibilities include developing dashboards, automating workflows, and ensuring data integrity. This role involves working cr ...

Applied ML Engineer — LLM Evaluations & MLOps

APPLE seeks an Applied Machine Learning Engineer for its Developer Publications Intelligence team in Greater London. The role involves building and integrating machine learning models, driving MLOps excellence, and collaborating with cross-functional teams. Candidates should have strong programming skills in Pyt ...

Threat Detection Engineer (eBPF/Kubernetes Security)

Cisco Systems is seeking an experienced security policy developer to join their Cilium Tetragon team in Greater London. The role involves developing security policies, engaging with engineers, and monitoring vulnerabilities to ensure clients' infrastructures are secure. Candidates should have at least 3 years of ...

Frontend Engineer Next.js & React, TDD & Design Systems

Betway Group is looking for a skilled frontend developer to deliver high-quality features using React and Next.js. You'll work closely with Product teams to meet shared goals and ensure top-notch UI code. The successful candidate will have solid experience in TypeScript and Tailwind CSS, along with a c ...

Hybrid Senior Frontend Engineer — London or Newcastle

InterGame Ltd is seeking a Senior Frontend Developer to join their team on a hybrid basis in London or Newcastle, UK. The ideal candidate should have proven experience in senior engineering roles, focusing on front-end technologies like JavaScript and frameworks such as React. This role offers the chan ...

Senior kdb+ Lead Architect — Hybrid, Global Impact

Data Intellect, based in Greater London, is seeking a seasoned Senior kdb+ Developer to lead technical delivery on high-performance solutions for major financial institutions. You will design robust kdb+ architectures, mentor junior developers, and collaborate with financial professionals. The ideal ca ...

Full Stack Engineer C#/.NET & React, Azure

Betway Group, located in Greater London, is seeking a skilled developer to lead technical solutions and develop features for innovative products. The ideal candidate will have experience in C# .Net Core, Next.js, and responsive design principles, managing multiple projects effectively. This role offers ...

Dynamics 365 & Power Platform Tech Lead

A city administrative body is seeking an experienced Dynamics 365 CE Developer to lead the development and management of Dynamics 365 and PowerApps solutions. This pivotal position involves technical leadership, solution enhancement, and support duties in collaboration with teams and external partners. Candidate ...

Senior Market Data Engineer — C++/Python, Hybrid

A leading data analytics firm is seeking a Senior Developer to build and maintain data parsers for market data. The role requires experience in C++ and Python, with a background in financial market data. Responsibilities include owning development projects and delivering new solutions. The company offers competi ...

Senior Backend Engineer Web & Game Infrastructure (Remote)

A BAFTA-winning games studio in Greater London is seeking a seasoned Backend Developer to design and develop scalable microservices. The role involves collaboration with technical teams to create robust backend services and optimizing performance on a high-traffic digital platform. Candidates should have proven ...

Full Stack Python Engineer, Enterprise Platform

Marex is looking for a Full-Stack Python Developer to join the Enterprise team on the Engine Room initiative. This role involves designing, developing, and maintaining high-quality Python solutions while contributing to shared enterprise capabilities such as API gateways and AI-enabled services. Candidates shoul ...

Lead Frontend Architect React/JS, Agile, Remote

A leading health tech company in Greater London is seeking an experienced Lead Frontend Developer to take ownership of their frontend stack. In this role, you'll architect, develop, and maintain modern frontends while applying Agile methodologies. You'll lead a team of engineers, ensuring a user-first approach a ...

Senior Cloud Infrastructure Engineer

Who Are We? Smarkets is transforming the betting exchange space by delivering world-class technology and the best-priced markets in the industry. With over £29 billion in traded volume since 2010, we’ve built a product-led, transparent, and fair platform that challenges the norms of tradi ...

Senior Growth Marketing Manager

£75,000 - £90,000 + equity UK | Full-time | Remote-first Who we are We’re a fully remote team of 50+ people building the market-leading design system management platform We are a remote-first company — there is no requirement to come into our London co-wo ...

Product Manager

Mission: To power the world's intelligence. Runware is the unified developer platform for AI inference — one API for all AI . We are building infrastructure that runs AI faster, more cost-effectively, and with higher redundancy. Companies like Higgsfield, OpenArt ...

Cross Border Payments Java Engineer (AVP) – AI First FX Tech

A leading global financial institution is seeking a Cross Border Payments Developer (AVP) to join their FX Technology team in the UK. The role focuses on Java development within an AI-first environment, enhancing cross-border payment solutions. Qualified candidates will possess experience with sales or trading t ...

Senior Director – Co Living Development & Design (London)

A high-end design studio located in London is seeking a senior professional to join their team and expand offerings in the developer-led co-living sector. Applicants must have excellent experience in this sector, with strong knowledge of local planning teams and a solid design background, ideally with over 10 ye ...

Senior Java Engineer Trading Platform & Low Latency

Bullish, Inc. is seeking a Java developer to design and deliver low-latency systems that power their Exchange. The ideal candidate has strong Java skills and a track record in performance tuning and building high-throughput systems.Join a global team committed to technical excellence, and collaborate a ...

EMEA Enterprise Account Director – AI Security & DevOps

Snyk Ltd. is seeking an Account Director for the EMEA region to lead the end-to-end sales process for enterprise customers. This role involves driving new business and nurturing relationships to secure Snyk’s Developer Security Platform across digital and AI transformations. Candidates should have a proven track ...

FX Prime Brokerage Tech Architect VP — Hybrid

A leading global financial services company seeks a FX Prime Brokerage Developer VP to engineer the future of financial technology. The role involves hands-on implementation of FX trading systems, working closely with teams for solutions, and driving best practices. Candidates must have strong FX understanding, ...

Executive Programme Director – Data Centre Development

A leading data centre developer in Greater London seeks a Programme Director. You will lead the management of a £600m+ data centre development program, ensuring integration across technical, commercial, and regulatory functions. Responsibilities include stakeholder engagement, risk management, and delivery execu ...

Senior Product Manager, Motorsports Games | 4‑Day Week & Remote

A leading mobile games developer in London seeks a Senior Product Manager to lead feature development for F1 Clash. The ideal candidate has extensive experience in the free-to-play mobile space and excels in cross-functional team leadership. This role requires a strong ability to turn strategic goals into engagi ...

Cross Border Payments Java AVP Hybrid, AI First

A leading global bank in Greater London is looking for a Cross Border Payments Developer (AVP) to join its FX Technology team. The role involves Java development in a collaborative, AI-focused environment, enhancing systems and participating in modernization efforts. Candidates should possess strong communicatio ...

Principal Cloud Native Specialist

**Your role at Dynatrace** **What’s the role?** Dynatrace is seeking a high-energy Cloud Native Specialist to serve as the technical vanguard for modern infrastructure environments across EMEA. This is a specialized overlay role focused on the intersection of Platform Engineering, Kubernetes (K ...

SR Business Development Manager UK

Do you want to contribute to transforming office spaces into hybrid and future-proof workplaces? Smart technology supports sustainable thinking and helps optimize workplace performance. Hybrid working improves effectiveness and productivity and offers employees greater flexibility. Are you commercially ...

RVP, Partner & Alliances, EMEA

Job Description Role Overview The Regional Vice President (RVP), Partners & Alliances – EMEA is a leadership role responsible for defining and executing OutSystems’ partner strategy across EMEA. This leader will own partner‑sourced and partner‑influenced revenue, develop strategic allia ...

DevSecOps Engineer Cloud, CI/CD & Threats (Hybrid)

Who we are We are an organisation that exists to drive progress. That's the red thread that connects everyone at The Economist Group (TEG). Our businesses share a devotion to innovation, independence and rigour in their fields of expertise. We empower people to understand and tackle the critica ...

Security Engineer, Product Security

About Us Chainlink Labs is the primary contributing developer of Chainlink, the decentralized computing platform powering the verifiable web. Chainlink is the industry-standard platform for providing access to real-world data, offchain computation, and secure cross-chain interoperability across a ...

Principal Cloud Native Specialist

Your role at Dynatrace What’s the role? Dynatrace is seeking a high-energy Cloud Native Specialist to serve as the technical vanguard for modern infrastructure environments across EMEA. This is a specialized overlay role focused on the intersection of Platform Engineering, Kubernetes (K ...

Senior Product Engineer

Let’s make the NHS the most advanced healthcare system in the world. The world’s best healthcare, free. It’s called the NHS, but the largest provider is fundamentally broken. We’re on a mission to fix it with technology that actually works. The NHS is accessible to all, but it’s under inten ...

Senior Fullstack Engineer 3D Rendering

At Wayve we’re committed to creating a diverse, fair and respectful culture that is inclusive of everyone based on their unique skills and perspectives, and regardless of sex, race, religion or belief, ethnic or national origin, disability, age, citizenship, marital, domestic or civil partnership status, s ...

Engineering Manager Runtime Team

PolyAI automates customer service through lifelike voice assistants that let customers lead a conversation. Our voice assistants make it possible for businesses to deliver outstanding customer service that rivals their human agents. Our customers, which include the world’s leading logos, are expanding how ...

Principal Cloud Native Specialist

What’s the role? Dynatrace is seeking a high-energy Cloud Native Specialist to serve as the technical vanguard for modern infrastructure environments across EMEA. This is a specialized overlay role focused on the intersection of Platform Engineering, Kubernetes (K8s), and Multi-cloud strategy. You ...

Chief Information Officer, Defence Intelligence Ministry of Defence SCS1

Lead Planner (SC Clearance) – Derby Hybrid role (3 days onsite in Derby, 3 days remote). Salary (DOE) + training, development, pension, life insurance. Lead and maintain the Integrated Master Schedule across multiple workstreams. Set and uphold planning governance, standa ...

Technical Architect

Responsibilities To assume technical lead role in implementation projects and guide the work of the team. Responsible for the technical architecture across a suite of custom business applications and off-the-shelf products. Develop flexible, adaptable, modular, and reusa ...

DevSecOps Engineer

Who we are We are an organisation that exists to drive progress. That's the red thread that connects everyone at The Economist Group (TEG). Our businesses share a devotion to innovation, independence and rigour in their fields of expertise. We empower people to understand and tackle the critica ...

Technical Architect

Responsibilities To assume technical lead role in implementation projects and guide the work of the team. Responsible for the technical architecture across a suite of custom business applications and off-the-shelf products. Develop flexible, adaptable, modular, and reusa ...

Real Estate Development Mgr Data Center Supply Solutions (EMEA)

Data center development for AWS will be led by the Real Estate Development Manager (REDM). You will assume accountable ownership of the real estate development process — acting as Single Threaded Owner (STO) on behalf of DCSS — from exchange of contracts on Development Agreements and/or Acquisition Agreements un ...

Real Estate Development Mgr Data Center Supply Solutions (EMEA)

Data center development for AWS will be led by the Real Estate Development Manager (REDM). You will assume accountable ownership of the real estate development process — acting as Single Threaded Owner (STO) on behalf of DCSS — from exchange of contracts on Development Agreements and/or Acquisition Agreements un ...

Remote Mobile Engineer React Native, User‑Focused

A tech company specializing in incident management is seeking a Mobile App Developer to lead the development of their on-call app. This role focuses on using React Native to build an outstanding user experience for iOS and Android platforms. With a strong emphasis on usability, accessibility, and customer feedba ...

Junior Frontend Engineer: UX/UI Focus + Growth Path

A leading recruitment agency is looking for a Graduate / Junior Front End Developer to join a growing team in Greater London. This role emphasizes UX & UI design, focusing on modern frameworks like Vue and React. Ideal candidates should have a strong portfolio and ability to create intuitive interfaces. The posi ...

🚀 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

    Software Developer Pythonreact Jobs in London Job Search Guide, Trends and Insights