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 | AI & Systems Architecture

Atos in Greater London is seeking a Senior Full Stack Engineer to design and build high-quality systems. In this role, you will lead complex projects, collaborate with clients, and support other engineers while remaining actively involved in development. The ideal candidate has a proven track record in full stac ...

Senior Full Stack Engineer – Trading Platform (Hybrid)

NPAworld is seeking a Senior Full-Stack Engineer for their trading platform in Waterloo, London. The position involves building and maintaining high-performance features, requiring strong experience in TypeScript, Node.js, and React. The role is hybrid and emphasizes collaboration with clients and internal teams ...

Senior Full Stack Engineer AWS Fusion Platform

TP ICAP is seeking a Senior Engineer to join their team and build the next generation of the Fusion Platform in collaboration with AWS. The successful candidate will demonstrate deep technical skills, take ownership of software design, development, and deployment, and support junior team members. Ideal applicant ...

Senior AWS Full Stack Engineer Microservices & Integrations

Narwhal Labs, a fast-growing tech start-up in Bristol, seeks a Senior Fullstack Engineer to own their AWS microservices platform. The role requires strong DevOps skills with extensive experience in building reliable systems. You will design APIs, integrate with third-party services, and define infrastructure as ...

Full Stack Engineer, Senior Specialist (Talent Pool)

Overview Full-Stack Engineer (Senior Specialist) At BNY, our culture allows us to run our company better and enables employees’ growth and success. As a leading global financial services company at the heart of the global financial system, we influence nearly 20% of the wo ...

Full Stack Engineer Agentic AI LLM TypeScript

Full Stack Engineer / Developer (Agentic AI LLM TypeScript React) London / WFH to £100kAre you a senior technologist with experience of putting LLMs into production?You could be joining a scaling tech company that has developed a digital distribution platform transforming electronic tradi ...

Full Stack Engineer / Technical Lead B2B SaaS

Full Stack Engineer / Technical Lead (Ruby TypeScript React) London / Remote to £130kOpportunity for a full stack technologist to join a highly regarded provider of serverless real-time infrastructure for the Internet that processes billions of messages a day and powers everything from live chat ...

Principal Engineer (Full Stack) — Go / GCP / AI

Description :Job Title Principal Engineer (Full Stack) — Go / GCP / AILocation LondonCorporate Title Vice PresidentSynthix is building a SaaS native marketplace of financial solutions—a tech first platform that plugs into client workflows and conn ...

Full Stack Engineer C#.Net Core JavaScript

Full Stack Engineer / Developer (C# .Net Core JavaScript AWS) St Albans / WFH to £100kOpportunity to progress your career in a hands-on role at a technology driven trading company that invest in Sports betting markets, with a flat structure where you will get your voice heard and can make a real ...

Lead Software Engineer Full Stack AI/ML

As a Full Stack Software Engineer at JPMorgan Chase within the Corporate Sector - Data Center Services team, you would be an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. As a core technical contributo ...

Senior Full Stack Product Engineer (Hybrid, London)

Loomery Limited is seeking a Senior Product Engineer to lead technical delivery and standards across client projects in London, UK. The role involves hands-on coding within cross-functional teams and mentoring others, while engaging with emerging technologies. Ideal candidates will have extensive engineering exp ...

Integration Engineer (EMEA)

Requirements Location: London, UK Languages: Proficiency in English and one more European language is a plus Bachelor's in CS, Engineering, or related field 5+ years in software development with focus on systems integration and API development Fluency ...

Artificial Intelligence Engineer

The Role: AI Engineer We are looking for top tier engineers to support us in building AI products. You will lead the development of algorithms that push the limirs of what is possible with LLMs. What You’ll Own Production-Ready AI: D ...

Senior Java Software Engineer

Direct message the job poster from Arrows Consultant @ Arrows | UK Contract and Perm | Technology Senior Software Engineer (backend focus) - Java, Springboot & AWS – paying up to £650/day (Outside IR35) – Hybrid (2x a week - London) – 6 month contract A fast-growing di ...

Lead Principal Full Stack Engineer Cloud & Incident Leader

A leading technology consultancy in Leeds is seeking an experienced Principal Full Stack Engineer to lead L2/L3 support teams and ensure high-quality service delivery. The ideal candidate should possess knowledge in Java, Python, Node.js, or C#, alongside hands-on cloud architecture experience with AWS or Azure. ...

Python Engineer

Salary: up to £200k base + bonusSummaryMy client is a leading global quant firm looking for a no-nonsense technologist to join one of their growing quant trading teams based in London. This team is one of the most experienced and profitable at the company.Collabo ...

Python Engineer

Role: Python EngineerLocation: Belfast, UK, Hybrid role but you must be available to work a minimum of 2 days per week in the Belfast office.The RoleYou will be key member for designing, developing, testing, and maintaining backend services and microservices that power enterprise applicat ...

Python Engineer

Join to apply for the Python Engineer role at LinkedTrade Join to apply for the Python Engineer role at LinkedTrade Are you a passionate Python developer looking for your next challenge? LinkedTrade Technologies Ltd, a leadi ...

Python Engineer

Role: Python Engineer Location: Belfast, UK, Hybrid role but you must be available to work a minimum of 2 days per week in the Belfast office. The Role You will be key member for designing, developing, testing, ...

Python Engineer

Title: Python Engineer Salary: Up to £60,000 Location: Bristol (On-site) Are you a Python Engineer looking to work on complex, high-impact data problems in a fast-moving and innovative sector? I'm working with a market-leadi ...

Python Engineer

Title: Python Engineer Salary: Up to £60,000 Location: Bristol (On-site) Are you a Python Engineer looking to work on complex, high-impact data problems in a fast-moving and innovative sector? xwzovoh I'm working with a marke ...

Python Engineer

Role: Python Engineer Location: Belfast, UK, Hybrid role but you must be available to work a minimum of 2 days per week in the Belfast office.Make your application after reading the following skill and qualification requirements for this position.The Role You will be key member for designing, developing, ...

Python Engineer

Title: Python Engineer Salary: Up to £60,000 Location: Bristol (On-site) Are you a Python Engineer looking to work on complex, high-impact data problems in a fast-moving and innovative sector? I'm working with a market-leadi ...

Python Engineer

Title: Python Engineer Salary: Up to £60,000 Location: Bristol (On-site) Are you a Python Engineer looking to work on complex, high-impact data problems in a fast-moving and innovative sector? I'm working with a market-leading trading firm at the heart of ...

Python Engineer

Title: Python Engineer Salary: Up to £60,000 Location: Bristol (On-site) Are you a Python Engineer looking to work on complex, high-impact data problems in a fast-moving and innovative sector? I'm working with a market-leading trading firm at the heart of ...

Python Engineer

Title: Python Engineer Salary: Up to £60,000 Location: Bristol (On-site) Are you a Python Engineer looking to work on complex, high-impact data problems in a fast-moving and innovative sector? I'm working with a market-leading trading firm at the heart of ...

Python Engineer

Title: Python Engineer Salary: Up to £60,000 Location: Bristol (On-site) Are you a Python Engineer looking to work on complex, high-impact data problems in a fast-moving and innovative sector? I'm working with a market-leading trading firm at the heart of ...

Python Engineer

Title: Python Engineer Salary: Up to £60,000 Location: Bristol (On-site) Are you a Python Engineer looking to work on complex, high-impact data problems in a fast-moving and innovative sector? I'm working with a market-leadi ...

Python Engineer

We have a fantastic new opportunity to join our team at Smartodds as a Python Engineer.  Based in North London, Smartodds provides in-depth research and analysis on sporting events around the world, supported by world-class, bespoke software platforms.We are proud of our collaborative and dyna ...

Python Engineer

We have a fantastic new opportunity to join our team at Smartodds as a Python Engineer.  Based in North London, Smartodds provides in-depth research and analysis on sporting events around the world, supported by world-class, bespoke software platforms.We are proud of our collaborative and dyna ...

Python Engineer

Title: Python Engineer Salary: Up to £60,000 Location: Bristol (On-site) Are you a Python Engineer looking to work on complex, high-impact data problems in a fast-moving and innovative sector? I'm working with a market-leading trading firm at the heart of the UK's energy transition. They use advanced forecastin ...

Python Engineer

Salary: up to £200k base + bonusSummaryMy client is a leading global quant firm looking for a no-nonsense technologist to join one of their growing quant trading teams based in London. This team is one of the most experienced and profitable at the company.Collabo ...

Senior AI Platform Architect (Python, React, Azure)

A dynamic Managed Service Provider in Scotland seeks a seasoned Architect to shape their AI platform. This role involves designing scalable, secure architectures, leading Python and TypeScript integrations, and being the driving force behind technical decisions. Candidates should have over 6 years in software en ...

Java Developer

Job Description: Senior Java Developer - Full Stack Java, AWS, Angular / React Leeds (Hybrid - 3 Days Per Week) £70,000-£75,000 + 10% Bonus Permanent A well-established technology consultancy delivering large-s ...

Java Developer

Job Description: Senior Java Developer - Full Stack Java, AWS, Angular / React Leeds (Hybrid - 3 Days Per Week) £70,000-£75,000 + 10% Bonus Permanent A well-established technology consultancy delivering large-s ...

Senior Java Developer IFC Platform & Architecture

Barclays is looking for a Senior Java Developer in Glasgow to join the dynamic Technology team and contribute to the Integrated Financial Crime Program. The role requires extensive experience in full-stack development, backend engineering, and expertise in Java, Spring Boot, and React. Responsibilities include s ...

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. ...

Lead Software Engineer Java/Python Risk Data Platform & Strategy

Join us and shape the future of risk technology with your expertise in data engineering and software development. You will have the opportunity to push boundaries, innovate, and make a meaningful impact on our business. We value diversity, inclusion, and respect, fostering a collaborative environment where yo ...

Senior FIX Onboarding Specialist Java / Python Lead Software Engineer

As a Senior FIX Onboarding Specialist at JPMorganChase within the CIB - Equities LOB, you are an integral part of the team that is responsible for managing and facilitating the onboarding process for clients using the Financial Information Exchange (FIX) protocol. This role typically involves working closely ...

Lead Software Engineer Java/Python Risk Data Platform & Strategy

Job Description Join us and shape the future of risk technology with your expertise in data engineering and software development. You will have the opportunity to push boundaries, innovate, and make a meaningful impact on our business. We value diversity, inclusion, and respect, fostering a collab ...

Lead Software Engineer — Java/Python in Risk Data Platform

A leading global financial institution in Greater London is seeking a Lead Software Engineer to design and enhance data engineering solutions within the Corporate Risk Technology team. This role requires proficiency in programming languages like Java and Python, as well as experience with large-scale data proces ...

Senior Software Engineer (Python/Java) Cloud & CI/CD Leader

A leading financial services firm in Glasgow seeks a Software Engineer to develop innovative software solutions and enhance operational stability. Responsibilities include coding in Python or Java, troubleshooting technical issues, and collaborating with teams on software development life cycles. Candidates shou ...

Lead Software Engineer Java/Python Risk Data Platform & Strategy

Join us and shape the future of risk technology with your expertise in data engineering and software development. You will have the opportunity to push boundaries, innovate, and make a meaningful impact on our business. We value diversity, inclusion, and respect, fostering a collaborative environment where ...

Lead Software Engineer Java/Python Risk Data Platform & Strategy

Join us and shape the future of risk technology with your expertise in data engineering and software development. You will have the opportunity to push boundaries, innovate, and make a meaningful impact on our business. We value diversity, inclusion, and respect, fostering a collaborative environment where yo ...

Senior FIX Onboarding Specialist Java / Python Lead Software Engineer

As a Senior FIX Onboarding Specialist at JPMorganChase within the CIB - Equities LOB, you are an integral part of the team that is responsible for managing and facilitating the onboarding process for clients using the Financial Information Exchange (FIX) protocol. This role typically involves working closely ...

DevOps Engineer

Senior DevOps Engineer opportunity with a leading client. Role Highlights: Location: Manchester (Hybrid 2 to 3 days onsite) Rate: £450/day (Inside IR35) Tech Stack: GCP, Java, Python, Jenkins, DBT, Composer, Dataplex, Ataccama Key Responsibilities: ...

Senior Software Engineer

Get AI-powered advice on this job and more exclusive features. NGIS EU is a global leading dedicated Geospatial and Sustainability company. We are an impact focused company with a mission to use our skills and capabilities to address significant global challenges including climate change, biodiversity ...

Senior Software Engineer

A new opportunity has arisen for a Senior Software Engineer to join a talented Software Team which forms a key part of a Global Centre of Excellence for Mobile Applications. Domestically and internationally, this team develops applications that are deployed across a range of devices and are ...

Fullstack Java Developer

Can you think strategically and connect the dots across projects to shape the bigger picture?Do you thrive in fast-paced, agile environments, enjoy exploring smarter ways of working, and love to collaborate across diverse teams?Are you passionate about continuous learning and building impactf ...

🚀 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