Contract Full Stack Java Engineer 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

Senior Full Stack Engineer — FinTech Builder, Stock Options

A dynamic tech company in the UK is seeking a full-stack engineer with at least 5 years of experience to work on backend and mobile/web applications. The role involves developing new features and integrations in a fast-paced setting. Candidates should be excited about innovation and possess strong problem-solvin ...

Senior Full Stack Engineer Remote (PHP/Symfony + Angular)

A high-growth B2B SaaS company is seeking a Senior Full Stack Engineer with expertise in PHP and Symfony. This fully remote role involves building and maintaining APIs, contributing to front-end development with Angular, and mentoring other team members. Candidates should have strong communication skills and a p ...

Senior Full Stack Engineer — Build DevTools (Remote, Equity)

A leading cloud analytics company in the UK is seeking a Senior Full Stack Engineer to enhance their HyperDX platform. This role involves building key product features and collaborating with the developer community while working with modern technologies like TypeScript, Node.js, and React. The position offers a ...

Senior Full‑Stack Engineer — Health Tech Shop/Ecosystem

A digital health company in the UK is looking for a Senior Fullstack Engineer to build features for Juniper and its expanding ecosystem. This role involves using React and Go/Node.js, alongside cross-functional collaboration. Candidates should have strong frontend skills and backend development experience. Join ...

Senior Full Stack Engineer (C#, .NET) Agile & Microservices

A technology innovation leader, Aqovia, is seeking a Senior C# Software Engineer to join their agile software development team in the UK. The role involves designing and building web applications and microservices, along with automating deployments. The ideal candidate excels in C#, .NET Framework, and modern we ...

Senior Full Stack Engineer Remote, AI Driven, Equity

Oliver Bernard is seeking a Senior Full Stack Engineer to join a growing B2B SaaS startup in the events space. This fully remote role requires expertise in Node, React, and TypeScript, with a strong emphasis on backend development and infrastructure management. You will be responsible for delivering project requ ...

Senior Full Stack Engineer Fintech & Maritime, Remote UK

A leading recruitment agency is seeking an experienced Senior Full Stack Engineer to join a cutting-edge financial technology company. This remote position offers a salary of up to £85,000 per annum. You'll be responsible for creating scalable systems and working in interdisciplinary teams to solve complex chall ...

Senior Full Stack Engineer — AI/LLM, Remote UK

A tech-driven startup in the UK is seeking a Senior Full-Stack Engineer to spearhead the development of LLM-powered products in marketing technology. You will lead architecture design, conduct code reviews, and collaborate with cross-functional teams. The ideal candidate has 5+ years of full-stack experience, st ...

Senior Full Stack Engineer Remote, Global Impact & Growth

A technology-driven company is seeking a Senior Full Stack Engineer to join their team. In this fully remote role, you will design and build features for their platform, optimize performance, and collaborate with a global engineering team. Ideal candidates have extensive experience with Node.js, React, and AWS. ...

Senior Full Stack Engineer – Remote, Equity, High Impact

A profitable startup in the United Kingdom is seeking an experienced Full Stack/Backend engineer to join its elite team. You will have the opportunity to take full ownership of backend systems and work on infrastructure, APIs, and internal tooling. Ideal candidates should have over 3 years of experience in Pytho ...

Senior Full Stack Engineer: Build & Own Scalable FinTech

A digital-first technology services firm in the UK is looking for a hands-on developer to create and enhance software products. The role involves designing RESTful APIs and managing databases, requiring strong Java and ReactJS skills. The ideal candidate will collaborate closely with teams and contribute to impa ...

Remote Senior Full Stack Engineer | SaaS Platform, Equity

A leading cybersecurity firm is looking for a Senior Software Engineer to develop a scalable SaaS platform and contribute to architectural decisions. Candidates should have over 7 years of software development experience with strong skills in TypeScript, Python, and a collaborative spirit. This role emphasizes t ...

Senior Full Stack Engineer @ Eloquent AI (YC X25)

Meet Eloquent AI (YC X25) At Eloquent AI, we’re building the next generation of AI Operators—multimodal, autonomous systems that execute complex workflows across fragmented tools with human-level precision. Our technology goes far beyond chat: it sees, reads, clicks, types, and makes ...

Full Stack Engineer (JavaScript), UK based US hours

Important note: This role is for US hours. 9-5pm PT (5pm-1am UK) Ready to apply Before you do, make sure to read all the details pertaining to this job in the description below.FlatPlan is the leading Apple News technology and strategy provider, working with 230+ consum ...

Senior Software Engineer — Backend & Full‑Stack (Django/AWS)

A fast-growing B2B tech company based in London is seeking a hands-on Senior Software Engineer. You will drive the technical and product evolution and work on building full-stack solutions, integrating with external systems, and collaborating with diverse teams. The ideal candidate should have strong experience ...

Lead Full Stack Software Engineer (.NET, Angular, AWS)

Position Description: At CGI, we operate and enhance critical digital platforms that support national regulatory services and deliver real-world impact. As a Lead Software Engineer within a key Managed Service team, you will play a central role in evolving a modern digital platform, balan ...

Java Backend Engineer

<p>As a Software Engineer youll help to build world class software through consistent development practices tools common components and documentation Youll contribute to the design development troubleshooting debugging evaluation modification deployment and documentation of software and systems that meet t ...

Java Software Engineer

Locations: Glasgow/Edinburgh (must be willing to travel to client sites throughout the UK on an ad hoc basis) Not sure what skills you will need for this opportunity Simply read the full description below to get a complete picture of candidate requirements.Pleas ...

Java Software Engineer

Java Developer (Mid/Senior) – Contract Want to make an application Make sure your CV is up to date, then read the following job specs carefully before applying.£320–£340/day (Inside IR35) | Hybrid Working | BPSS Required | ASAP Start ...

Java Software Engineer

!! IMMEDIATE JOINERS !! Make sure to read the full description below, and please apply immediately if you are confident you meet all the requirements.Java Software Developer Location: London Work Mode: ...

Java Software Engineer

Software Engineer (Java) Location: UK/Ireland (remote) Please note : You need to be based in the UK or Ireland No Visa sponsorship offered Salary: Up to £50k Please make sure you rea ...

Java Backend Engineer

<p>As a Software Engineer youll help to build world class software through consistent development practices tools common components and documentation Youll contribute to the design development troubleshooting debugging evaluation modification deployment and documentation of software and systems that meet t ...

Full Stack Engineer AI Enabled – Senior Vice President

**_Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we bu ...

Java Software Engineer

Java Software Engineer Would you like to help create products to support the sharing of scientific knowledge? Do you enjoy collaborating to solve complex technical problems? About the team: Our dynamic Agile Teams deliver the tec ...

Java Software Engineer

Java Software Engineer Would you like to help create products to support the sharing of scientific knowledge? Do you enjoy collaborating to solve complex technical problems? About the team: Our dynamic Agile Teams deliver the tec ...

Java Software Engineer

An exciting opportunity for a Java Software Engineer has arisen with a leading semiconductor company specialising in high-performance mixed-signal processing, based in London. This is an exciting opportunity for a Java Software Engineer to design and evolve cross-platform applications, SDKs, ...

Java Software Engineer

Locations: Glasgow/Edinburgh (must be willing to travel to client sites throughout the UK on an ad hoc basis) Please Note: Any offer of employment is subject to satisfactory SC security clearance which requires 5 years continuous UK address history, typically includ ...

Java Software Engineer

Please Note: Any offer of employment is subject to satisfactory BPSS and SC security clearance which requires 5 years continuous UK address history typically including no periods of 30 consecutive days or more spent outside of the UK. Note: The above information relates to a s ...

Java Software Engineer

Senior Software Engineer - London Harrington Starr are working alongside a unique financial trading technology firm who are seeking 10+ Senior Java Developers to join their Core Development team and build out low latency systems. You absolutely have to hav ...

Java Software Engineer

Senior Java Developer 11 roles available (mid to senior level) Pay rate: Outside IR35 – £600 to £800/day (depending on experience) Duration: Initial 6–9 months (programme running through to 2027) Worki ...

Principal Java Engineer

Hello from RE Partners! Who We Are: We are a fast growing business and technology consultant company co-founded in 2019. We offer a custom-tailored, white-glove engineering service fit for our clients, because a digital transformation is more than just technology. Wi ...

Back end Developer (Java &Spring Boot/Python)

Salary: £55k to £65K Methods is recruiting for a Back-end Developer specialising in Java Spring Boot and Python to join our team within the private Sector Business unit on a permanent basis.This is a hybrid role, requiring three days a week on-site in our London office.Requireme ...

Back end Developer (Java &Spring Boot/Python)

Salary: £55k to £65K Methods is recruiting for a Back-end Developer specialising in Java Spring Boot and Python to join our team within the private Sector Business unit on a permanent basis.This is a hybrid role, requiring three days a week on-site in our London office.</st ...

Back end Developer (Java &Spring Boot/Python)

Salary: £55k to £65K Methods is recruiting for a Back-end Developer specialising in Java Spring Boot and Python to join our team within the private Sector Business unit on a permanent basis.This is a hybrid role, requiring three days a week on-site in our London office.</st ...

Back end Developer (Java &Spring Boot/Python)

Salary: £55k to £65K Methods is recruiting for a Back-end Developer specialising in Java Spring Boot and Python to join our team within the private Sector Business unit on a permanent basis.This is a hybrid role, requiring three days a week on-site in our London office.Requireme ...

Hybrid Python Senior Software Engineer

We are hiring a Senior Software Engineer to lead end-to-end feature development and architectural design. This role is built for a technical leader who prioritizes high-impact delivery over routine maintenance. Tech Stack Backend: Python, FastAPI, Ruby on Rails Frontend: React.js, Next. x ...

Senior Full Stack Developer UK Security Clearance Eligibility required

Senior Full Stack Developer - UK Security Clearance eligibility requiredInternal Title: Senior Full Stack DeveloperLocation: London, UK (Hybrid - typically 1-2 days per month in office)Contract: Permanent, Full-time Packa ...

Senior Full Stack Developer UK Security Clearance Eligibility required

Senior Full Stack Developer - UK Security Clearance eligibility requiredInternal Title: Senior Full Stack DeveloperLocation: London, UK (Hybrid - typically 1-2 days per month in office)Contract: Permanent, Full-time Packa ...

Senior Software Engineer, Margin Tech — Hybrid & High Impact

Citi in Northern Ireland is seeking a Senior Software Engineer who will join a passionate team to build robust software solutions. As a part of a hybrid working environment, you'll work with advanced technologies and have opportunities to grow your skills while contributing to impactful projects. The ideal candi ...

Senior Node.js Developer

Senior TypeScript Engineer Belfast | 3 Days Onsite At a Glance Senior-level full stack, frontend, or backend TypeScript engineer (5+ years) React, Node.js, AWS serverless stack 3 days onsite in Belfast Building the ...

Senior Software Engineer

Senior Software Engineer - Hybrid - Up to £90,000OverviewFuel Recruitment is working with a well-established technology organisation seeking a Senior Software Engineer to join their expanding team. This role offers the chance to work across modern cloud platforms, Front End frameworks, and Back E ...

Software Engineer

Software Engineer - Hybrid - Up to £60,000OverviewFuel Recruitment is supporting a leading technology organisation that is looking for a Software Engineer to join its established development team. This role offers the chance to work across modern Front End and Back End technologies, contributing ...

Solutions Architect with Pre Sales Experience (IT) in London Nexus Jobs Limited

Solutions Architect with Pre Sales Experience (IT) London, United Kingdom Posted 9 months ago Tech Stack MySQL Go Databases Oracle Java Scala Python J2EE NoSQL Technical Requirements ...

Senior Full Stack Engineer & Tech Lead — AI Projects

CreateFuture in Edinburgh is seeking a Full-Stack Developer to join their agile team. In this role, you'll design, develop, and test frontend and backend components using React, Node.js, and Java. You'll also mentor junior engineers and lead technical decisions that ensure project success. CreateFuture offers a ...

Junior Java Developer

Fraser Carver Recruitment are working with a small but expanding Financial Services company in Weston-Super-Mare who due to continued growth are looking to add a Junior Java Developer into their tech team. My client is expanding their IT development team to deliver cutting-edge digital solutions that m ...

Senior Go Software Engineer (Backend or Full stack)

WE ARE Opinov8 is a technology service provider, with an Opinion in Innovation , we engage with our clients at any stage in their product engineering and innovation goals, with solutions being mainly collaborative and outcome-driven. We are driven by delivering value , for our clients, th ...

BXTI Liquid Credit, Full Stack Software Engineer, Associate

Blackstone is the world’s largest alternative asset manager. We seek to create positive economic impact and long-term value for our investors, the companies we invest in, and the communities in which we work. We do this by using extraordinary people and flexible capital to help companies solve pro ...

PHP Full Stack Software Engineer Supply Chain / Sustainability.

We’re seeking a UK-based PHP Full Stack Software Engineer to support the continued growth of our sustainability and digital learning platforms.You’ll be a hands-on developer who enjoys building modern, responsive user experiences, writing clean, scalable code, and collaborating closely with designers and cro ...

Staff Full Stack Engineer – Lead Global Systems (Bangkok)

A travel technology company in Greater London seeks an experienced Staff Software Engineer (Full Stack) to join their Bangkok team. The role requires 8+ years in software engineering with expertise in Java, Kotlin, .NET, and JavaScript/TypeScript. Team collaboration, system design, and mentorship are critical. 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

    Contract Full Stack Java Engineer React Python Jobs in United Kingdom Job Search Guide, Trends and Insights