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 Platform Engineer: Cloud, Kubernetes & CI/CD

Worldpay is seeking a Senior Software Engineer - Platform Engineer to join their Cyber team in Greater London. This role involves maintaining and automating AWS infrastructure using Terraform, collaborating on product vision and roadmap, as well as participating in development and support processes. Ideal candid ...

Engineering Manager: Lead, Architect & Deliver Excellence

Oakwell Hampton Group is looking for an experienced Software Engineering Lead to foster a high-performing engineering culture in their London-based marketplace. In this role, you will lead Team Leads and Individual Contributors, ensuring strong delivery and coaching team members. You'll engage in technical strat ...

Ambitious Backend Engineer (Node.js) – London Office

Wayfindi in London is seeking a Mid Level Backend Engineer (Node.js) to enhance their backend infrastructure. You will be responsible for handling scaling challenges and new feature integrations while collaborating closely with the CTO. The ideal candidate has at least 2 years of software development experience, ...

Senior Mechanical Building Services Engineer — HVAC Design

BakerHicks is seeking a Senior Mechanical Building Services Engineer in London to manage Mechanical Services for small to medium-size projects. Responsibilities include delivering high-quality design, managing client relationships, and mentoring early careers staff. Candidates should possess strong design experi ...

Principal AI Engineer: Production LLMs & RAG

Oliver Bernard is seeking a Principal AI Engineer in London to design and build LLM-powered applications. This hybrid role involves developing workflows and architectures, implementing RAG pipelines, and collaborating closely with engineers in Python. The ideal candidate has hands-on experience with LLM applicat ...

VP, Low Latency Algo Trading Systems

Citigroup Inc. is seeking a Software Engineer to join the Equities Electronic-Execution technology team in London. You'll design and deliver next-generation low-latency execution platforms including Algorithmic Trading and Smart Order Routing. Candidates should have strong knowledge in Java, C++, or Rust, along ...

Insurance Cloud Solutions Architect

Amazon Web Services (AWS) is seeking a Solutions Architect in the Greater London area to work primarily with Financial Services customers, focusing on Insurance. The role involves advising clients on cloud adoption, providing technical guidance, and creating best practices. Candidates should have experience in s ...

Senior SEIT Engineer: Field Ready Systems Integration

Anduril Industries in Greater London is looking for an experienced Systems Engineer to lead the integration of complex systems for military applications. The ideal candidate will have over 8 years of experience in systems engineering and integration, with a focus on hands-on testing and validation of hardware an ...

Principal Search Scaling Engineer — Elasticsearch Core

Elastic is looking for a Principal Software Engineer to join their Elasticsearch - Search Scaling team in London. You will lead the evolution of core search capabilities, contribute to the team’s technical vision, and mentor other engineers. The role requires deep expertise in search technologies such as Elastic ...

Principal AI Systems Engineer Healthcare Platforms

TechTree is looking for a Principal Software Engineer to deploy AI systems in healthcare, focusing on patient communication and secure data layers using Python. You will work directly with hospitals to build and scale enterprise-grade systems. The role requires 5+ years of experience in building complex systems ...

Senior Backend Engineer: .NET & Azure Cloud Migration Lead

Parser is seeking a Senior Software Engineer in Greater London to lead the migration of .NET services from AWS to Azure. The role involves designing event-driven systems, mentoring teams, and establishing CI/CD pipelines. The ideal candidate will have strong skills in .NET Core/6+, AWS, and Azure technologies, w ...

Senior TS Full Stack Engineer, Trading Platform (Hybrid)

NPAworld is seeking a Senior Full-Stack Engineer to join a trading platform program in Waterloo, London. The role involves designing, building, and maintaining high-performance features, primarily using TypeScript, Node.js, and React. The ideal candidate will have over 8 years of software development experience ...

Real Time Data Engineer for LLM & Low Latency Systems

A data-driven technology firm in London is seeking a Software Engineer to develop and maintain data acquisition systems using social media inputs. The role requires strong programming skills, particularly in Java (Spring), and experience with Postgres, GCP, and Docker. Candidates should also be familiar with bui ...

Senior Platform Engineer Infra, Kubernetes & Fintech

ARQ is looking for a Senior Platform Engineer in Greater London to design and implement secure and highly-available infrastructure. The ideal candidate will have 5-10+ years of software engineering experience, strong skills in infrastructure engineering, and familiarity with Kubernetes and IaC. You will collabor ...

Founding ML Engineer: Build a Living Semantic Layer

JetBrains is looking for a top-class ML Engineer to shape the future of software development through AI and ML technologies. You will define the research agenda and own the AI engineering stack. Responsibilities include designing LLM solutions and establishing MLOps practices. The ideal candidate should have at ...

Highways Design Engineer — Hybrid

WSP in the UK & Ireland is looking for a Civil Engineer to join their highways team in Greater London. The role involves preparing designs and specifications, mentoring junior staff, and delivering projects in collaboration with National Highways. Ideal candidates will have a degree in Civil Engineering, experie ...

SaaS Sales Leader – Northern Europe (Data & AI Security)

Veeam is seeking a Senior Manager, Sales for Northern Europe to drive sales execution around the Securiti AI portfolio. This role requires over 12 years of enterprise software sales experience, proven sales leadership, and a strong understanding of data privacy regulations. The Senior Manager will develop region ...

Senior CDN Engineer — Remote, Equity

A tech-focused company in the UK is seeking a Senior Software Engineer to join their Content Delivery & Security team. This role involves building high-performance systems and working on the core products powering their CDN and security functions. Ideal candidates should have deep C# (.NET) experience or strong ...

Research Engineer: Science of Scaling for Safe AI

A leading AI research organization in Greater London is seeking a Research Engineer/Scientist to advance large language models. This role involves research and practical engineering to build reliable AI systems. Ideal candidates should have a strong software engineering background, proficiency in Python, and an ...

Enterprise SaaS Growth Executive EMEA

A leading productivity software company in Greater London is seeking an ambitious Enterprise Account Executive to drive growth by connecting with enterprises and delivering tailored solutions. The ideal candidate will have a minimum of 3 years of experience in Enterprise SaaS sales, managing complex deals, and a ...

Senior Backend Engineer Rust/C++ & AI API Systems

A forward-thinking AI company in Greater London is seeking a skilled software engineer to develop and maintain scalable production systems that power their API. This role requires expert knowledge in Rust or C++, along with extensive experience in Python and containerization technologies like Docker and Kubernet ...

Senior Enterprise SaaS Account Executive

OutSystems Inc. is seeking a Senior Account Executive in Greater London to drive new sales opportunities and manage key client relationships. The ideal candidate will have over 10 years of experience in direct sales and a strong technical sales background, specifically in enterprise software and applications. Re ...

Hybrid Training Consultant – Estate CRM Growth

Phoenix Global Search is seeking a Training Consultant to join a leading PropTech company in London. This hybrid role involves assessing client training needs, building strategic relationships, and working towards revenue targets with an uncapped commission structure. Ideal candidates will have 3-5 years of cust ...

Need general IT assistance for small project in UK

I'm looking for a reliable IT helper for a small, multi-purpose project. The job includes setting up a basic workstation, software installation and updates, troubleshooting minor network issues, and providing quick guidance on best practices. I’d also appreciate help documenting steps clearly for future referenc ...

Principal AI Java Engineer Remote Cloud Native

A global automotive systems industry leader is seeking a Principal AI Software Engineer (Java) to work remotely on AI projects. This role requires deep expertise in Java, Spring, and AWS, with hands-on experience in production-grade AI systems. Responsibilities include implementing AI solutions and creating depl ...

Rates & Repo Automated Trading Analyst/Associate

A leading global financial services firm is seeking an Analyst or Associate in Automated Trading Strategies in London. This role focuses on Fixed Income Financing (Repo) markets, requiring strong programming skills in C++/Java and a degree in a quantitative field. Responsibilities include analyzing data to ident ...

EMEA Cybersecurity Enterprise Sales Director

Blackkite is seeking a Sales Director for EMEA to drive commercial growth across Europe, the Middle East, and Africa. This role requires 10+ years of B2B SaaS/software sales experience, focusing on building VAR/MSP ecosystems and a solid knowledge of DORA, NIS2, and the UK Cyber Resilience Act. You'll lead new c ...

Client Experience Director — Drive Growth & Loyalty

A leading global real estate services firm seeks a Client Experience Director to engage stakeholders and enhance client satisfaction. The ideal candidate has a minimum of 8 years of experience in customer experience, demonstrating strong relationship-building skills and strategic communication. You will articula ...

Chief Brand & Creative Strategy Leader (AI‑Driven)

A leading software company in Greater London is looking for a Head of Corporate Marketing to define and protect brand identity while leading a creative team. The successful candidate will have a proven history in brand strategy and creative leadership, particularly in a SaaS environment. Responsibilities include ...

Public Sector Enterprise Sales Director — Data & AI Growth

A leading data and AI company seeks an Enterprise Sales Director for the Public Sector in Greater London. This role involves leading a sales team, implementing sales strategies, and driving growth within the public sector. The ideal candidate will have a successful background in high-growth enterprise software s ...

Apple Enterprise App Engineer & AI Solutions

A leading technology company is seeking an experienced engineer to work on developing best-in-class applications for Apple platforms. The ideal candidate will have hands-on experience with Apple’s core frameworks, strong problem-solving skills, and the ability to effectively communicate complex ideas to both tec ...

Enterprise & Channel Partnerships Director

A leading software company is seeking a seasoned commercial professional to enhance strategic relationships within the contact centre and communications ecosystem. The successful candidate will have a strong background in enterprise technology sales and a network of relationships with MSPs and platform partners. ...

Cloud Native VP Engineer, AI Driven Equities

Goldman Sachs Bank AG is seeking a Vice President Software Engineer in London to lead development on the Consolidated Trade Ledger (CTL) initiative. The role will involve designing cloud-native, high-availability services and using AI-assisted engineering tools. Candidates should have over 8 years of experience ...

Head of AI Powered Testing & Engineering

Duku AI is seeking a hands-on leader to own engineering execution end-to-end and spearhead the development of autonomous AI agents. Ideal candidates thrive in fast-paced environments, have experience building AI features, and can adapt quickly. Responsibilities include taking ideas from zero to production, train ...

Post Quantum Cryptographic Testing & Automation Engineer

Post-Quantum Cryptographic Testing & Automation Engineer Post-Quantum Cryptographic Testing & Automation Engineer 1 day ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. GlaxoSmithKline (GSK) is a science-led global healthcare c ...

QA Analyst Enterprise Technology [Automation Engineer]

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth a ...

QA Analyst Enterprise Technology [Automation Engineer]

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth a ...

Lead Product Data Scientist Operations Decision Systems

British Airways is looking for a Principal Product Data Scientist in London. You will join the Operations Delivery Intelligence directorate, focusing on creating decision-support software using advanced machine learning techniques. The ideal candidate will have a master's degree or extensive experience in data s ...

AI Driven CAE Solutions Consultant

About Neural ConceptEngineering is at an inflection point. The teams defining the next generation of aircraft, electric vehicles, and consumer products are not just designing faster — they are designing fundamentally differently, with AI embedded at the core of their workflows. <st ...

Senior Sales Consultant Financial Services and Insurance

Senior Sales Consultant, Financial Services and Insurance Salary: competitive depending upon experience + benefits 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 < ...

Technical Account Manager (UK)

About Neural ConceptEngineering is at an inflection point. The teams defining the next generation of aircraft, electric vehicles, and consumer products are not just designing faster — they are designing fundamentally differently, with AI embedded at the core of their workflows. <st ...

Founding Full Stack Engineer

Get AI-powered advice on this job and more exclusive features. This range is provided by Burns Sheehan. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Burns Sheehan Senior Di ...

Senior Machine Learning Engineer

About Faculty At Faculty, we transform organisational performance through safe, impactful and human-centric AI. With a decade of experience, we provide over 300 global customers with software, bespoke AI consultancy , and Fellows from our award winning Fe ...

Senior Industrial Design Engineer, AMZL Central Engineering EU Engineering Excellence

Job ID: | Amazon UK Services Ltd. - A10 Amazon opened its virtual doors in 1995 and strives to be the world’s most customer-centric company, where customers can find and discover anything they might want to buy online. The goal of Amazon Logistics is to build a world-class last mile operation. Am ...

Solution Sales Expert for BTP

We help the world run better At SAP, we keep it simple: you bring your best to us, and we'll bring out the best in you. We're builders touching over 20 industries and 80% of global commerce, and we need your unique talents to help shape what's next. The work is challenging – but it matters. You'll ...

Senior Research Engineer

About The Role In this opportunity as a Senior Research Engineer , you will: Develop and deliver, applying modern software development practices, you will be involved in the entire software development lifecycle: building, testing, and delivering high‑quality solutions. ...

Industry Principal, MMM

**AVEVA is creating software trusted by over 90% of leading industrial companies.** **Job Title:** Mining, Metal and Minerals industry principal, EMEA **Location:** London, UK / Paris, France / Madrid, Spain / Istanbul, Turkey (50% working time at the office) **Employment Type:** fu ...

Senior Industrial Design Engineer, AMZL Central Engineering EU Engineering Excellence

DescriptionAmazon opened its virtual doors in 1995 and strives to be the world’s most customer-centric company, where customers can find and discover anything they might want to buy online. The goal of Amazon Logistics is to build a world-class last mile operation. Amazon Logistics aims to exceed the expecta ...

Senior Marketing Manager, Northern Europe

Before jumping in on all the information about the role and what you can bring to the table, let us introduce ourselves real quick.About usWe are Insider, a B2B SaaS company that drives growth for its clients around the world. How are we achieving this? We are the #1 AI-native platform for Customer Experi ...

Outsourcing Manager – Top 20 firm

Outsourcing Manager – Top 20 firm Employer Location London (Greater) (GB) Salary To £70000 + Car Allowance + Benefits + Bonus + Hybrid Working Closing date 9 Jun 2026 View more categoriesView less categories Sector Salary band , Contract type Hours Where will they be working You need to or t ...

🚀 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