200,211+ Fullstack Engineer Intern React Nextjs Python Jobs in UK — Top Companies Hiring July 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

Senior QA Engineer in London MILE

Job Opportunity: Senior QA Engineer We are currently seeking a Senior QA Engineer to join our expanding team. In this role, you will be responsible for maintaining the highest standards of quality across various platforms, including our mobile app (React Native), web platforms (React), and internal ...

Founding Software Engineer

Founding Engineer (React Native) – Future Head of Engineering / CTO Location: Manchester (Hybrid Working)Salary: Competitive + Equity Potential We're partnering with an ambitious, high‑growth startup that is looking for a Founding Engineer to help shape both the product and the futur ...

Founding Software Engineer

Founding Engineer (React Native) → Future Head of Engineering / CTO Location: Manchester (Hybrid Working)Salary: Competitive + Equity Potential We're partnering with an ambitious, high-growth startup that is looking for a Founding Engineer to help shape both the product and the futur ...

Graduate AI & Software Developer

Java Script Works is looking for a Graduate Software and AI Developer based in the United Kingdom. The role requires a 2:1 degree in a Computer Science-related field and values excellent communication and strong problem-solving skills. Familiarity with technologies like Python, React, Laravel, and MySQL is advan ...

AI Full Stack Engineer: Build Scalable LLM Apps

Required Skills Strong experience with Python (backend development) Solid frontend skills in React + TypeScript Hands‑on experience with LLMs (OpenAI, open‑source models, etc.) Proven work with RAG architectures (LangChain, LlamaIndex, vector DBs like Pinecone, ...

Fullstack with C# Dot net HTML Web Software Developer

Job Description Fullstack with C# Dot net HTML Web Software DeveloperOur Client is leader in the development of software for the financial sector.We are looking for a creative, detail-orientated Web Developer to join our Web Development team. You mu ...

Fullstack with C# Dot net HTML Web Software Developer

Job Description Fullstack with C# Dot net HTML Web Software DeveloperOur Client is leader in the development of software for the financial sector.We are looking for a creative, detail-orientated Web Developer to join our Web Development team. You mu ...

Quantitative Developer C++/ Python – London

World-leading hedge fund looking for experienced Python and C++ Quant Developers to join their new systematic arm in London.Exciting opportunity to join an elite team working to build out and enhance their cutting-edge quantitative trading platform. You will work directly alongside senior PMs, quants a ...

Python Software Developer (Risk) – London

Fantastic opportunity to join a tech-driven quant and systematic IM with no red tape. They combine data, research, technology and trading proficiency to produce a scientific and innovative approach to investment. Seeking an enthusiastic software engineer to join the Risk team in London.Your primary foc ...

Market Data Analyst Python SQL

Market Data Analyst (Python SQL) Newcastle onsite to £90kDo you have a first class education combined with Market Data experience?You could be progressing your career at a FinTech start-up, they have secure backing and an established Hedge Fund client as a partner; this is an excellent op ...

Senior Backend Developer (Django/Python)

Updraft. Helping you make changes that pay off.Updraft is an award winning, FCA-authorised, high-growth fintech based in London. Our vision is to revolutionise the way people spend and think about money, by automating the day to day decisions involved in managing money and mainstream borrowings like ...

Data Scientist Python SQL Mathematics

Data Scientist (Python SQL Mathematics) London / WFH to £60kAre you a bright, ambitious Data Scientist with Python and SQL skills seeking an opportunity to work on complex, Greenfield systems using the latest tech, whilst continually learning and improving?You could be progressing your ca ...

C++ Developer Python Rust Technologist

C++ Developer / Backend Software Engineer (C++ Python Rust) Cambridge / WFH to £80kAre you a C++ Developer who enjoys complex problem solving?You could be progressing your career at the world's most advanced cybersecurity technology business that uses AI technology to protect clients acro ...

Quantitative Data Scientist Python SQL

Quantitative Data Scientist (Python SQL Maths) Newcastle onsite to £150k+Are you mathematically minded, with a first class education and strong Python programming skills?You could be progressing your career, as a Quantitative Data Scientist, working on complex and interesting systems at a ...

Python Engineering Manager, Commercial Systems

Canonical is a leading provider of open-source software and operating systems for 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 world's ...

Senior Python Quant Developer – London

Location: London – Hybrid This is an opportunity to join one of the world’s premier investment firms.The firm deploys systematic, computer-driven trading strategies across multiple liquid asset classes, including equities, futures and foreign exchange. You will be building components ...

Data Scientist Python SQL FinTech

Data Scientist (Python SQL Maths) Newcastle onsite to £80k+Are you a Data Scientist, with a first class education and strong Python programming skills?You could be progressing your career, as a Data Scientist, working on complex and interesting systems at a FinTech scale-up, they have sec ...

Python Risk Developer Vice President

Discover your future at CitiWorking at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact.Job O ...

Software Engineering III Python London

Be an integral part of an agile team that's constantly pushing the envelope to enhance, build, and deliver top-notch technology products. As a Senior Lead Software Engineer at JPMorgan Chase within our Corporate Technology Line of Business, you will be instrumental in shaping the future of credit r ...

Quantitative Developer: Python & Data Analytics

Millennium is seeking a Quantitative Developer in London, UK. The ideal candidate will have a background in Computer Science, Mathematics, Physics, or Engineering, and possess strong programming skills in Python, along with familiarity with dataset libraries like pandas and NumPy. This full-time position offers ...

Data Analyst (SQL, PySpark, Python)

Our client is seeking an experienced Data Analyst to support a key client engagement within their professional services division. This is an initial 1 year contract based in London , operating on a hybrid basis (2 days onsite per week) and ...

Python Developer £140,000 + Comps London

Role Python Developer Salary £140,000 P/A + Bonus + Benefits Location London Client Top Fintech My client is a well-established and successful tech house working in the finance sector who are looking for a Python Developer, with outstanding te ...

Quant Trader Python/C++ (London)

Stars Arena in London is looking for an Options Trader to join their team. This full-time position requires a proactive and self-motivated individual capable of effectively collaborating across teams. Candidates should be proficient in programming languages such as Python and C++. Competitive compensat ...

Full stack Python Web Developer

Join to apply for the Full-stack Python Web Developer role at ITEAM Bulgaria Ltd. ITEAM is a Professional Services provider with clear focus expertise on today’s cutting‑edge IT technologies. Our client is a French health‑tech company focused on delivering digital ...

Python Risk Developer Vice President

Python Risk Developer - Vice President page is loaded## Python Risk Developer - Vice PresidentApplyremote type: Hybridlocations: London United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: **Discover your future at Citi**Working at Citi is far more than just a job. A career wit ...

Python Developer Up to £300k

Oliver Bernard have partnered with a leading global investment management firm. They are looking for a Python Developer to design and build their internal frameworks, tooling and platforms which power the business. This is a critical role and will have direct impact on both technology and investment te ...

External Collaboration SRE (Java/Python)

TwinThread is looking for a Site Reliability Engineer III in Bournemouth to lead the development and integration of collaboration platforms like VDRs and Microsoft 365 B2B. The role involves managing secure external sharing solutions and overseeing identity and access for external users. Ideal candidat ...

Lead Python Developer (Outside IR35)

Role Details Title: Lead Python Developer (Outside IR35) Working hours: 35 hours per week, Monday to Friday Duration: 3 month initial Outside IR35 contract Location: Gloucester About the Role This contract is to design and ...

Senior Python Developer R&D

Salary: GBP65000 - GBP80000 per annum + bonus + benefits Senior Python Developer / Engineer (Python Rust Cloud) London / WFH to £80k Do you enjoy problem solving and working on complex systems at the cutting edge of technology? You could be progressing your career as a Senio ...

Principal Python & Cloud Architect (Hybrid)

Procode-Technology-Limited based in Chandler's Ford is seeking a Principal Software Engineer – Python to architect complex systems that impact customers. In this role, you’ll work with Python, AWS, and be part of an Agile team that thrives on curiosity and collaboration. The ideal candidate has a deep ...

Senior Python and LLM Developer

Are you passionate about building intelligent systems powered by Large Language Models (LLMs), Agentic AI, RAG Architectures, and Conversational AI ? We are looking for a highly skilled Senior Python & LLM Developer to join our AI engineering team and help shape the next generation o ...

Senior Python/PostgreSQL Developer – Hybrid

Buuk Infrastructure Limited is seeking a Senior Systems Developer specializing in Python and PostgreSQL, located in Woolpit. This role is essential in developing full stack software solutions while ensuring excellent customer service. As a senior developer, you will design and maintain systems that align with ...

Senior Systems Developer (Python/PostgreSQL)

Job Location: Woolpit Salary: Competitive Contract Type: Permanent Senior Systems Developer (Python/PostgreSQL) Purpose of this role Provide well‑developed full‑stack software solutions while using excellent customer service skills to work with users and product ...

Senior Systems Developer (Python/PostgreSQL)

Senior Systems Developer (Python/PostgreSQL) Job Location: Woolpit. Additional Location Information: Salary: Competitive. Contract type: Permanent. Posting End Date: 10/07/2026. At BUUK Infrastructure, our vision is to be the leading utility partner to accelerate the UK towards net zero for ...

Senior Python Developer R&D

London, Greater London | £65k - £80k per year Senior Python Developer / Engineer (Python Rust Cloud) London / WFH to £80k Do you enjoy problem solving and working on complex systems at the cutting edge of technology? You could be progressing your career as a Senior Python ...

Python Developer (Automation And Networking)

Job Title: Python Developer (Automation and Networking)/Python Automation developer Location: Chester - 3 days a week onsite Contract: 12 months Rate: Highly competitive Status: Inside IR35 Working pattern: Full time Overview </h3 ...

Crypto Software Developer (C++, Python)

London, Chicago, New York, Hong Kong, Singapore Total comp $200k - $350k Our client is a proprietary trading group, specializing in quantitative trading and investment strategies. Founded in November 2012, their strategies are tested rigorously and are based on advanced concepts ...

Python Developer Production Incident Response

Zeour Ltd in Greater London is looking for a Front-line Technical Support Specialist to assist with production deployments for various platforms like GLARUS and MediCare. You will be responsible for triaging and resolving incidents effectively and collaborating directly with the engineering team. The i ...

Python Risk Developer Vice President

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact. <h3 ...

Python Developer (Data Project Contract)

Overview MCS Group is partnering with a well-known Northern Irish organisation in Belfast to recruit a Software/Data Engineer for a short-term daily rate contract. This role offers a flexible hybrid working pattern (Belfast). The Role Redevelop existing functions currently wr ...

Senior Python Full Stack Developer

Jackson Hogg are delighted to be supporting our client in their search for a Senior Python Full Stack Developer . Our client is a technology company focussed on the global clean energy transition going through an exciting period of growth. Our client are looking for Senior Python (Flask) ...

Middle Office Developer (C++/Python)

Overview LMAX is looking for a C++ and Python developer to join our middle-office team. This team works closely with the infrastructure, research and treasury teams. In this position you can expect to take a significant role in the development of our trade reconciliation, back‑testing framework a ...

Python Developer in London Xtremepush

Python Developer London, United Kingdom Tech stack Python About the role As a Python developer at Xtremepush, you will be part of our Customer Data team and will report into our Customer Data Team Lead. You will use your experience to help d ...

Python Expert in London MERJE

Python Expert London, United Kingdom Our client is expanding its team and is seeking a Python expert with experience in Wholesale Banking. Key Requirements Strong background in using Python Experience of working within financial services, preferably... </ ...

Senior Python Backend Software Developer

About us At Xelix, we work with some of the world’s largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate – moving from manual processes to automated, intelligent workflows. Xelix is a fast-paced scale-up – thin ...

Full stack Python/Django Developer

We're looking for somebody friendly, quick witted and suitably experienced to join our small digital team in building secure, reliable content-managed websites and web applications for the likes of the NHS, Home Office, Taylor Wimpey, Hasbean/Ozone Coffee and countless charities, universities, and police forc ...

Full Stack Developer (Python) – Connect

Descrição Da Vaga Estamos em busca de um(a) desenvolvedor(a) com perfil analítico, proativo e com forte capacidade de resolver problemas de forma criativa e estruturada. Essa pessoa irá atuar na construção de workflows de automação inteligentes, utilizando ferramentas low-code, como o N8N, Windmil ...

Python Developer £140,000 + Comps London

Quantitative Technology Headhunter at Hunter Bond Role: Python Developer Salary: £140,000 P/A + Bonus + Benefits Location: London Client: Top Fintech My client is a well‑established and successful tech house working in the finance sector who are looking for a Pytho ...

Senior Python & Quant Infrastructure Lead

Quanteam UK is seeking an experienced Python Tech Lead / Quant Infrastructure Engineer to support the development of a modern analytics and engineering platform. This role involves building scalable infrastructure and improving development tooling within Credit and Capital Management. Candidates should have over ...

🚀 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

    Fullstack Engineer Intern React Nextjs Python Jobs in United Kingdom Job Search Guide, Trends and Insights