Senior Full Stack Developer React Python Jobs in 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

Software Engineer Intern

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 ...

Frontend Developer ( Principal )

Senior-level frontend engineering role at a fast-growing tech scaleup React, TypeScript, tRPC, Next.js and AWS on mission-critical software Hybrid working with Belfast base Salary up to £80k Work on AI-driven video forensic tools used by law enforcement and security ...

Senior Software Engineer Fulfilment

We’re on a mission to make good health last a lifetime . More than 1 billion people live with obesity worldwide, driving preventable chronic conditions. We’re here to build better long‑term care. Euc is the company behind Juniper , one of the world’s largest weight‑management programs combi ...

Principal Linux/Android Platform Developer (Embedded Software Developer)

Waterbeach, UK (5 days on-site) A global leader in advanced communications technology is looking for a Principal Linux/Android Platform Developer to take a key role in shaping next-generation embedded systems used in mission-critical environments. This isn’t an app role—this is deep ...

Quantitative Developer as close to the business as it gets

Want to join one of the most consistently high-performing Equity funds? Remember to check your CV before applying Also, ensure you read through all the requirements related to this role.The environment is lean, tech-driven and built around systematic trading. You’ll sit ...

Java Software Engineer

Senior Java Software Engineer Opportunity A Senior Java Software Engineer opportunity in a growing team who are upgrading and modernising their tech stack. The business is well established across the UK and the team require experienced software engineers who can demonstrate strong Java and Spring bac ...

Software/ Platform Engineer

Software Engineer (Application platforms/AWS/Python)London (On-site, London Farringdon office)Full-time, salary: £60,000-80,000Job SummaryAre you passionate about architecting the data and application platform that ...

Software/ Platform Engineer

Software Engineer (Application platforms/AWS/Python)London (On-site, London Farringdon office)Full-time, salary: £60,000-80,000Job SummaryAre you passionate about architecting the data and application platform that ...

Quantitative Developer (HFT New Desk Not Tower) (London)

Quantitative Developer (New HFT Desk) Location: London Company Overview: Tier 1 HFT (not Tower) running a high upside pod model for new desks. Job Summary: Join a 1-4 person team as the Quant Dev to get new HFT strategies off the ground and frankly do wh ...

Linux Engineer Trading Platform

A world leading quant Hedge Fund is looking for a Linux Specialist to join their global infrastructure team, responsible for the firm's Linux estate. The firm has over $30Bn in AUM and has recently been experiencing a tremendous period of growth, with predictions that this success will continue. Yo ...

Data Scientist Central Systematic Equities Team Quant Hedge Fund

Paragon Alpha working with a multi-strategy hedge fund who are looking for a Data Scientist to join a equity trading team. The team lead is looking to bring on a talented engineer to help build the research/data infrastructure for the desk, and aid data driven quant trading. The role would ...

Solutions Architect

Solutions Architect – Global Energy Company – Taunton (Hybrid) A global energy organisation based in central Taunton is urgently seeking a Solutions Architect to join their growing technology team. This is a key role working on high‑impact projects, designing and enhancing enterprise solutions ac ...

Senior Compiler Engineer

We’re working with a well‑funded technology company developing a new software stack for large‑scale, fault‑tolerant computing systems . The team is tackling complex, real‑time challenges at the intersection of compilers, runtimes, and specialised hardware . What You’ll Work O ...

FPGA Software Engineer | Systematic Hedge Fund

Paragon Alpha are partnered with a leading $50 Billion Systematic Hedge Fund who have seen exponential growth over the 2020s. As part of their continued London expansion, they are hiring a FPGA Software Engineer to support their infrastructure buildout. You will be essential to develo ...

Senior Front End Engineer

Shape the Industry and Your Career At Cytora, now an Applied Systems company, we’re transforming how insurers and brokers connect, operate, and grow. Our AI-powered platform is driving smarter decisions, greater efficiency, and seamless collaboration across the global insurance ecosystem. As we a ...

Applied AI Engineer

About the Role A1 is building a proactive AI system that understands context across conversations, plans actions, and carries work forward over time. As an Applied AI Engineer, you will turn model capabilities into real product behavior. You will own problems end-to-end, from shap ...

Senior Software Architect

Company DescriptionUnited Living Group's investment enables Heatly to enhance our capabilities, broaden our product scope and accelerate our market expansion efforts with a core focus on the regulatory global decarbonisation of heat, initially through heat pump roll out and with £ of UK G ...

Senior Software Architect

Company DescriptionUnited Living Group's investment enables Heatly to enhance our capabilities, broaden our product scope and accelerate our market expansion efforts with a core focus on the regulatory global decarbonisation of heat, initially through heat pump roll out and with £ of UK G ...

Python Software Engineer – Quantitative Hedge Fund : £120 180k

Are you a world-class Python engineer ready to push your technical limits in one of the most intellectually rigorous environments in finance? Our client is a leading quantitative investment fund—combining deep research, cutting‑edge data science, and sophisticated trading systems to deliver excep ...

Software Developer (Research Infrastructure) £350/500,000 Quantitative Trading

Software Developer (Research Infrastructure) | Quantitative Trading | £350–500k How many opportunities will you get to develop a greenfield platform that directly shapes the future of a multi-billion-dollar prop trading business? I'd imagine this is one of few. Here, you'll develop a prop ...

Senior Software Engineer Fixed Income Derivatives

Senior Software Engineer - Fixed Income Derivatives Location Dublin Business Area Engineering and CTO Ref # 10047975 **Description & Requirements** Our core product, The Bloomberg Terminal, is used by 400,000 financial professionals around t ...

Software Developer Enterprise Technology [Node JS / Typescript]

Software Developer - Enterprise Technology (Node JS / Typescript) London, GB Full-Time Information Technology About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to ...

Software Developer Enterprise Technology

Software Developer - Enterprise Technology London, GB Full-Time IT 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 fin ...

Senior Software Engineer

Overview Senior Software Developer Duration: Initially 6 months (project scope for 12-24 months). Location: Fully Remote (UK based). We are looking to secure the services of a Senior Software Developer with experience of leading front and back-end development. You'll join a p ...

Senior Software Engineer

Senior Software Engineer (.NET / Azure)£45,000 - £60,000 + Benefits Birmingham (Hybrid -1 day every 2 weeks, with occasional onsite workshops) Synchro are partnering with a growing, private equity-backed organisation to hire a Senior Software Engineer into a high-impact team delivering m ...

Senior Cloud Engineer £70,000 £84,000 + Bonus + Excellent Package London OR Bristol

This range is provided by Hawksworth. 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 Hawksworth Partner / Director at Hawksworth Consulting Hawksworth are now recruiting for ...

Go (Golang) Software Engineer, Developer Tooling and Containers

Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the wor ...

Go (Golang) Software Engineer, Developer Tooling and Containers

Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is very widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Our customers include the wor ...

Principal Engineer

Principal Engineer This is a hybrid position within the UK. We currently don’t provide visa sponsorship. We are a B2B Fintech focusing on disrupting the small business lending market. SMEs make up 99% of all UK businesses yet are traditionally underserved by big banks and financial instit ...

Principal Engineer

Principal Engineer This is a hybrid position within the UK. We currently don’t provide visa sponsorship. We are a B2B Fintech focusing on disrupting the small business lending market. SMEs make up 99% of all UK businesses yet are traditionally underserved by big banks and financial instit ...

Onsite Senior Software Engineer — Java/Spring & Cloud

hackajob is partnering with Raytheon UK seeking a Senior Software Engineer for a full-time role based in Manchester. The position involves designing and building software, collaborating with cross-functional teams, and contributing to project milestones. Candidates should possess full stack experience, expertise ...

Software Engineer

This range is provided by Uniting Ambition. 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 Uniting Ambition Placing people in Technical Leadership- Software & Data Engineering & ...

Senior Software Engineer

Our client is a offering an exciting opportunity to join their fast-growing product-led SaaS business building AI-powered software that solves highly complex global finance and tax challenges for large enterprise customers. Their platform handles complex rule-driven workflows, large data sets, and e ...

Senior Lead Software Engineer Athena Rates Risk and PNL

Job Description We are seeking an experienced Senior Athena Python Rates Senior Lead Software Engineer for the development team to work on Rates Risk and PNL business deliveries and optimization. In this role, you will design, develop, and integrate sophisticated solutions that support trading d ...

System Engineer

Systems Research Engineer (AI Infrastructure) - Edinburgh - Global Leading Firm As large language models reshape the foundational software stack, next-generation AI-native infrastructure is redefining how large-scale models are trained, served, and deployed. We are driving innovation in AI infras ...

Data Engineer

Permanent / £80000.00 - £85000 per annumData Engineer | Energy Trading | Open-Source Stack | £80-85k My client, an energy leader at the forefront of the UK market, is searching for a Data Engineer to join them as soon as possible. This is an exciting opportunity to join a highly experienc ...

Data Engineer

Permanent / £80000.00 - £85000 per annumData Engineer | Energy Trading | Open-Source Stack | £80-85k My client, an energy leader at the forefront of the UK market, is searching for a Data Engineer to join them as soon as possible. This is an exciting opportunity to join a highly experienc ...

Applied Scientist Content LLMs & Audio AI

Do you want to help build the next generation of AI-native content and audio experiences? Have you built LLM systems where output quality, tone, and trust genuinely mattered? Are you ready to work on multimodal AI products spanning text, voice, and con ...

Lead AI Engineer Media Workflows

Do you want to define how AI gets deployed across a large enterprise? Have you built production AI systems, not just prototypes? Are you ready to shape AI architecture at scale across a national business? A major UK media an ...

Senior Data Scientist (AI) 12 Month FTC

Do you want to build production AI systems used by millions of insurance customers? Have you deployed LLM applications into complex enterprise environments before? Are you ready to help scale a growing GenAI function inside one of the UK’s biggest insu ...

Consulting Engineer Forward Deployed (Palantir)

Role Consulting Engineer - Forward Deployed (Palantir) Location London Salary Competitive salary and package dependent on experience. Career Level Specialist Accenture Palantir Business Group (APBG) is a deep data and AI group founded ...

Senior Cloud DBA

Job Description SS&C Blue Prism allows organisations to deliver transformational business value via our intelligent automation platform. We make products with one aim in mind - to improve experiences for people. By connecting people and digital workers, you can use the right re ...

Senior Cloud DBA

Job Description SS&C Blue Prism allows organisations to deliver transformational business value via our intelligent automation platform. We make products with one aim in mind - to improve experiences for people. By connecting people and digital workers, you can use the right re ...

DV Senior Oracle Database Administrator

Location: Reading Job Type: Contract Industry: Cloud & Infrastructure Job reference: BBBH438401_1778166383 Posted: about 19 hours ago Senior Oracle Database Administrator 12 months Aldermaston - hybrid Active DV clearance required Inside IR35 - umbrella on ...

DV Senior Oracle Database Administrator

Location: Reading Job Type: Contract Industry: Cloud & Infrastructure Job reference: BBBH438401_1778166383 Posted: about 19 hours ago Senior Oracle Database Administrator 12 months Aldermaston - hybrid Active DV clearance required Inside IR35 - umbrella on ...

Market Data System Developer

Join to apply for the Market Data System Developer role at LatentBridge 4 days ago Be among the first 25 applicants Join to apply for the Market Data System Developer role at LatentBridge Get AI-powered advice on this ...

Software Engineer Dev Tools

If you like building the tools that other engineers actually use every day, this is that kind of role. This company builds infrastructure that sits right in the middle of how software gets delivered. Not the UI layer. Not dashboards. The actual plumbing that engineers rely on to ship, store, and se ...

Salesforce Developer OmniScript

SC Cleared Salesforce Developer - 6 months+ - £600-700pd Inside IR35 Remote with occasional travel to London (1-2 days per month) The Salesforce Developer builds on and extends the capabilities of the Salesforce platform. You will use the full arsenal of tools and c ...

Jr Frontend Developer

Objectively restore stand-alone markets rather than enterprise-wide products. Uniquely underwhelm best-of-breed mindshare through adaptive niches. Seamlessly parallel task open-source content without resource sucking technology. Job Responsibilities Be involved in every step of the ...

Back End Developer

Contract Duration: 6 months with potential for extension Location: Remote - UK Job Description: This is a generalist mid-level backend position within the Ads Organization. Ads are the fuel that powers the client's mission. Technologies used on the team inclu ...

🚀 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

    Senior Full Stack Developer React Python Jobs in United Kingdom Job Search Guide, Trends and Insights