Software Developer Python Javascript 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

.NET Developer – Witney

.NET Developer, C# – Global Technology Brand – Witney, Oxfordshire(Tech stack: .NET Developer, .NET 9, ASP.NET, C#, WPF, React, Angular 19, Microservices, Azure, Web API 2, Entity Framework, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer)Our clients fascinating stor ...

.NET Developer

.NET Developer, C# – Global Technology Brand – Wakefield(Tech stack: .NET Developer, .NET 10.0, ASP.NET, C# 14, WPF, React, Angular 21, Microservices, Azure, ASP.NET Core Web API, Entity Framework, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer)Our clients fascinati ...

.NET Developer – Wellington

.NET Developer, C# 14 – Global Technology Brand – Wellington, Somerset (Tech stack: .NET Developer, .NET 10.0, ASP.NET, C# 14, WPF, React, Angular 21, Microservices, Azure, ASP.NET Core Web API, Entity Framework, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our cl ...

.NET Developer

.NET Developer, C# 14 – Global Technology Brand – Chichester (Tech stack: .NET Developer, .NET 10.0, ASP.NET, C# 14, WPF, React, Angular 21, Microservices, Azure, ASP.NET Core Web API, Entity Framework, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our clients fasci ...

Staff FullStack Engineer Javascript

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Staff FullStack Engineer - JavaScript in UK. In this role, you will lead the design and delivery of a greenfield financial subsystem that enables property managers to maintain accurate, compl ...

Full Stack Engineer (JavaScript)

Are you a Software Engineer with JavaScript expertise motivated to solve complex problems in a fast-paced environment? Work shouldn't just be something we do; it should have a purpose. At Envision, we believe in creating life-changing outcomes through the work we do with our clients, giving back to ...

.NET Developer

Overview .NET Developer - World Class Entertainment Company - Stoke-on-Trent (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) <h ...

Senior Frontend Engineer — Security Cleared, Hybrid UK

A leading technology company is seeking a Senior Software Developer to design and deliver secure, accessible front-end applications. The role includes developing responsive UIs, integrating RESTful APIs, and implementing security measures. Candidates should have extensive experience in JavaScript, TypeScript, an ...

React & Go Software Engineer for Government Platforms

A digital solutions consultancy in the United Kingdom seeks a skilled software developer to design, build, and maintain applications supporting government digital services. Candidates should have a minimum of 3 years of experience with modern web applications using JavaScript. Key skills include frontend develop ...

Creative Application Developer

A leading insurance company is looking for a skilled Application Developer based in Belfast. The role focuses on enhancing Microsoft Dynamics 365 applications and contributing to analytics projects using Power BI. Candidates should have at least 2 years of software development experience with proficiency in Java ...

Remote Senior Frontend Engineer – Fintech Platform

A leading digital finance innovator in the United Kingdom is looking for a Senior Frontend Developer to enhance their platforms. The role includes developing frontend components, creating innovative features, and ensuring scalability and security. Ideal candidates should have at least 5 years in software develop ...

Graduate Software Engineer 2026

Suade is seeking candidates to join our Graduate Software Engineering programme, which focuses on developing innovative Regulatory Technology (RegTech) software. If you are passionate about technology and finance and want to start your software engineering career, we invite you to apply. The Graduat ...

Fintech Graduate Software Engineer (Frontend/Backend) 2026

Overview Suade is seeking candidates to join our Graduate Software Engineering programme, which focuses on developing innovative Regulatory Technology (RegTech) software. If you are passionate about technology and finance and want to start your software engineering career, we invite you to apply. ...

Principal Siri Tools & Productivity Engineer

A leading technology company in Cambridge is seeking a Principal Software Development Engineer for their Siri Developer Productivity team. The role involves designing cutting-edge developer tools that enhance productivity and streamline workflows for software engineers. Ideal candidates should have a strong back ...

Senior Software Engineer

Software Engineers will work on projects that will stretch their expertise, requiring creative problem-solving and technical precision. Every step will contribute to a shared ambition: to solve the toughest challenges by creating technologies to help to shape a better future.Software Engineers will have de ...

Senior Software Engineer

Software Engineers will work on projects that will stretch their expertise, requiring creative problem-solving and technical precision. Every step will contribute to a shared ambition: to solve the toughest challenges by creating technologies to help to shape a better future.Software Engineers will have devel ...

Full Stack Software Engineer Cloud Native & .NET Expert

A leading technology business in Ashby-de-la-Zouch is seeking an experienced Full Stack Software Developer to join their innovative engineering team. You will be responsible for designing and deploying scalable, cloud-based applications within a rapidly growing transport sector. Candidates should have strong ski ...

Python Developer (m/f/d) Data extraction ETL

We are looking for a python developer (m/f/d) experienced in and ETL and automationStart: ASAP (23.10.25)Duration: 8 weeksVolume: 25ths / week Location: remote The service is requested as part of a project to automate regulatory list processing within a compliance ...

Graduate / Junior Developer, Python, Linux, C#, Java – London

Graduate / Junior Developer, Python, Linux, C#, Java – London(Teck stack: Graduate / Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate / Junior Developer)Since 2006 our client’s revolutionary marketing software platform has been helping business ...

Python Developer (m/f/d) Data extraction ETL

We are looking for a python developer (m/f/d) experienced in and ETL and automationStart: ASAP (23.10.25)Duration: 8 weeksVolume: 25ths / week Location: remote The service is requested as part of a project to automate regulatory list processing within a compliance ...

Graduate / Junior Developer, Python, Linux, C#, Java – London

Graduate / Junior Developer, Python, Linux, C#, Java – London (Teck stack: Graduate / Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate / Junior Developer) Since 2006 our client’s revolutionary marketing software platform has been helping business ...

Python Developer (m/f/d) Data extraction ETL

We are looking for a python developer (m/f/d) experienced in and ETL and automation Start: ASAP ) Duration: 8 weeks Volume: 25ths / week Location: remote The service is requested as part of a project to automate regulatory list processing within a compliance platform. The plat ...

Quant Developer (C++/Python) for Trading Systems & Analytics

A leading finance technology firm based in Greater London seeks a talented programmer to contribute to the development and automation of technology tasks. You will enhance execution through analysis, support infrastructure, and manage data sets, all while working primarily in C++ and Python. Ideal candidates hav ...

Senior Quant Developer (Python/C++) High Performance Trading

A leading investment fund in London is seeking a Senior Quant Developer to join their systematic trading group. You will collaborate with quantitative researchers to develop high-performance code in Python and C++. The role offers competitive compensation and the opportunity to influence trading performance sign ...

Front Office Python Quant Developer | Trading Tech London

A well-established systematic hedge fund is seeking a Python Quantitative Developer to join their Trading Technology Team in London. This front office role involves software development and quantitative analysis. Candidates should have 3+ years of Python experience and ideally know frameworks like Pandas and Num ...

Senior Full Stack Developer (Python) Networks, Vice President

Job Description Networks as a Service (NAAS) is seeking a highly skilled senior level developer with network infrastructure experience to join our development team. Your goal is to deliver products to our global network team which will assist with the transformation to an automated network and net ...

AI Driven Full Stack Web Developer (Python/React)

A global consulting group is looking for an experienced Full Stack Web Application Developer in Edinburgh. In this role, you will design and develop resilient web applications that integrate AI capabilities into business workflows. Candidates should have at least 4 years of experience in software development, es ...

Remote Full Stack Developer | Python + React | MOD SC

A reputable tech recruitment agency is seeking a Full Stack Developer for a 6-month contract in the UK. This role focuses on backend development with Python and frontend work using ReactJS, all within an Agile team. You'll manage containerised applications and support CI/CD pipelines. Candidates must have strong ...

Quant Developer (Python + C#) – FX Options Pricing & Risk

A leading financial services provider is seeking an experienced Quant Developer with expertise in C#. You will work in London, hybrid with 3 days in the office, focusing on building risk analytics for FX Options. Key responsibilities include developing pricing frameworks, delivering cashflow projections, and enh ...

Quant Developer (Python + C#) | Financial Services | London, Hybrid

Quant Developer (Python + C#) | Financial Services | London, Hybrid We’re hiring an experienced Quant Developer, with C# expertise , to join a high-performing team in London, working at the heart of pricing, analytics and risk . This is a genuinely desk-facing role: you’ll par ...

Front Office Python Developer — Fixed Income Trading Desk

A leading global trading firm is seeking a Junior–Mid Level Python Developer to support its Global Fixed Income desk in London. The role involves designing and maintaining Python-based tools for trading support, analytics, and risk management, collaborating directly with traders. Candidates should have 1-4 years ...

Python Desk Developer – Fixed Income & Macro Trading Tools

A leading hedge fund in Greater London is seeking a skilled Python developer to build trading tools and APIs, integrate quant analytics models for risk management, and support financial services. This permanent role involves working onsite 4 days a week with alpha-generating teams. Applicants should have excelle ...

Junior Python Developer – FinTech FX Trading Platform London

A startup fintech company in London is seeking a Junior Python Developer to help build a next-generation FX trading platform. You will develop and optimize platform components using Python and SQL while collaborating with cross-functional teams. The role offers professional training and a clear growth path as th ...

Full Stack Developer (HTML, CSS, Deluge, Java, Python)

Full-Stack Developer (HTML, CSS, Deluge, Java, Python) Portsmouth, United Kingdom | Posted on 26/03/2025 At DIGITAL SCIENTISTS , we’re business growth consultants who help companies thrive by mastering their online presence and digitally transforming their operations. From corpo ...

Remote Senior Azure / Python Developer AI Intelligence Platform

We're building something smart - and we're moving fast. Ready to join us? At Neologik.ai, we're not just another consulting company - we're a high-velocity team crafting an AI-driven platform that's reshaping how businesses operate. Built natively on Azure and powered by the latest in Microsoft tech ...

Senior Full Stack Python Developer — Django, AI & HealthTech

A professional services provider is looking for a Full-stack Python Web Developer to design, develop, and maintain their platform’s components. The ideal candidate will have over 7 years of experience in software development, with strong skills in Python (Django), MongoDB, and API integration. This full-time pos ...

Python Developer for FX Options Data Platform & Pipelines

A leading financial services corporation is seeking an experienced Python Developer to enhance their FX Options Data Platform. This role involves contributing to data pipelines, collaborating with a global team to translate business needs into technical solutions, and mentoring junior developers. The ideal candi ...

Senior Agentic AI Developer | Hybrid Python, RAG, LLMs

A leading telecommunications provider is seeking two Senior Agentic AI Developers based in Bradford or Leeds. This hybrid role requires expertise in Python and agent-based architectures, focusing on developing advanced AI systems. Candidates should possess a strong background in AI/ML solutions and be comfortabl ...

Senior Backend Developer Python/Golang/.NET | SC Cleared

An IT consulting firm is seeking a Senior Developer for a six-month assignment in Milton Keynes. The ideal candidate must hold active SC Clearance and have a strong software engineering background, showcasing proficiency in Python, experience with Golang, and expertise in C#/.NET. Knowledge of RESTful APIs and A ...

Python Developer Data & Analytics in Options Market Making

A market-leading proprietary trading firm in London is seeking a Python Developer to join their Data & Analytics Team focused on options market making. You will work alongside traders and developers to enhance data systems and maintain robust data pipelines. The ideal candidate has strong Python skills, experien ...

Senior Full Stack Developer (Python) Networks, Vice President

Job Description Networks as a Service (NAAS) is seeking a highly skilled senior level developer with network infrastructure experience to join our development team. Your goal is to deliver products to our global network team which will assist with the transformation to an automated network and net ...

OSS Python Developer — Open Source Platform Lead (Hybrid)

A tech company is seeking an OSS Developer (Python) to lead a Tech4Good project in Bristol. This role involves developing a community-driven platform, collaborating effectively with a variety of stakeholders to deliver innovative open-source solutions. Candidates should have strong production-level Python and Dj ...

Lead Full Stack Python / Angular Developer Startup (Remote)

RemoteStar is looking to hire a Senior Python Developer on behalf of European clients with a fully remote work policy. About Client UK tech start-up focused on the development of AI LLM platforms for defense. Role Overview As the senior developer, you will be involv ...

Senior Python Quant Developer for HFT & Crypto Trading

A leading trading firm in the City Of London is seeking an experienced Python Quant Developer to join their high-frequency trading team. This role focuses on expanding the Python analytics stack to support trading strategies in crypto markets. You will work closely with traders and quant researchers, developing ...

Graduate / Junior Developer, Python, Linux, C#, Java London

Graduate / Junior Developer, Python, Linux, C#, Java – London (Teck stack: Graduate / Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate / Junior Developer) Since 2006 our client’s revolutionary marketing software platform has been helping businesses ...

Graduate Developer: Python/Linux/C#/Java — Remote (UK)

A leading technology company is seeking a Graduate / Junior Developer to join their team in London, offering flexibility with remote work. Applicants should have a foundational knowledge of Python, Linux, C#, or Java, ideally from their degree or industry experience. The role promises an engaging environment wit ...

Python Developer Front Office Cross Asset Investment Bank

Overview We are recruiting for a talented Python/Object Orientated Programming Developer to join a Global Front Office team in a leading Investment Bank. This role works cross-asset and is part of a multi-year transformation project with a large focus on optimisation and latency. Strong c ...

🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

To-Do Planner

Organize your job search and personal tasks. All data is confidential.

Open Planner

Wellbeing Center

Access your confidential wellness report and resources to manage job search stress.

Check Wellbeing

Skill Coach

Plan your skill development with O*NET support to stay competitive in your field.

Start Coaching

Outfit Helper

Get AI-powered suggestions on what to wear for your next interview.

Find Outfit

Income Tax Calculator

Plan your finances with our calculator, updated for 2025 tax regulations.

Calculate Tax

Salary Benchmark

Get accurate, AI-supported salary trends to know your worth and negotiate better.

Check Salaries

Interview Practice

Practice for any interview with AI-enabled Q&A sessions. All data is private.

Start Practicing

Interview Predictor

Use our AI-supported tool to predict potential interview questions based on your resume.

Predict Questions

Interview Practice Timer

Use our mock interview trainer to perfect your answers under timed conditions.

Start Timer

Behavioral Mastery

Ace tricky behavioral interviews with our AI-powered practice module.

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

A comprehensive tool to help you master every aspect of your interviews.

Become an Ace

Q&A Logs

Confidentially track your answers to common questions and refine them over time.

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

Create perfect, tailored cover letters for each application with AI support.

Generate Letter

Resume Score

Get instant feedback on your resume with our NLP-supported analysis tool.

Check My Score

ATS Score

Check your resume's compatibility with Applicant Tracking Systems (ATS).

Check ATS Score

Application Analyzer

Use AI to analyze job descriptions and optimize your application materials.

Analyze Application

Career Visualizer

Confidentially plan and visualize your long-term career path and goals.

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

Track your entire job search progress from application to offer with this intelligent tool.

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

Tools to build and manage your professional connections. All data is confidential.

Build Network

Professional CV

A classic, O*NET supported template for corporate and professional roles.

Use This Template

Executive CV

A premium, O*NET supported template designed for senior and C-level positions.

Use This Template

Modern CV

A fresh, stylish, O*NET supported template perfect for tech and modern industries.

Use This Template

Creative CV

A visually distinct, O*NET supported template for design and artistic roles.

Use This Template

Minimalist CV

A clean, simple, O*NET supported template that focuses purely on content.

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

An institution-recommended template perfect for internships and first jobs.

Use This Template

Graduate CV

An institution-recommended template for recent graduates entering the workforce.

Use This Template

Academic CV

The researcher-recommended format for roles in academia and research.

Use This Template

Developer/IT CV

A tech-savvy recommended template to highlight your technical skills.

Use This Template

Skilled Worker CV

A trades-recommended template to showcase hands-on skills and experience.

Use This Template

Monochrome CV

A sleek, black-and-white, O*NET supported template for a professional look.

Use This Template

Art CV

An artist-recommended template that allows your creativity to shine.

Use This Template

Harvard CV

A researcher-recommended template based on the classic Harvard format.

Use This Template

Volunteer Research

Help us improve our platform by joining our community research program.

Join Research

Review Us

Share your experience with our tools to help other job seekers.

Share Experience

Register

Create your free account to save jobs, build your profile, and track applications.

Create Account

Login

Access your dashboard, manage applications, and continue your job search.

Access Your Account

Profile Builder

Create a comprehensive professional profile that attracts recruiters and showcases your skills.

Build Your Profile

View Profile

See your public profile exactly as employers will see it. Make sure it's perfect.

Preview Profile

Bookmarked Jobs

Keep track of all your saved job opportunities in one organized place.

View Saved Jobs

Your Reviews

View and manage all the company reviews you've submitted.

See Your Reviews

Following

Manage the list of companies you follow to stay updated on their new openings.

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

Use our O*NET supported CV builder to create a professional resume from scratch.

Build Your CV

PDF to DOC (Beta)

Convert your PDF resumes or documents into editable Word (DOC) format.

Convert PDF

DOC to PDF (Beta)

Create universally compatible PDF documents from your Word (DOC) files.

Create PDF

General FAQ

Find answers to common questions about our job site and platform.

Read FAQ

Job Seekers FAQ

Get help and find answers to questions specifically for job seekers.

Get Help

Job Matching

Learn about the technology and algorithms behind how we match you to jobs.

Learn How

Personalized Matching

Discover how we use your profile and activity to provide customized job suggestions.

Learn More

Quick Apply

Understand our fast application process and how to make the most of it.

Learn More

Alert Frequency

Learn how to manage your job alert settings so you get the updates you want.

Manage Settings

Job Alerts Guide

A complete guide to understanding how job alerts work and how to use them effectively.

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

Read our guide to building a professional and ethical personal brand.

Read Guide

Candidate Visibility

Learn how to increase your visibility to recruiters on our platform.

Increase Visibility

Verified Badge

Find out how you can get a verified badge to build trust with employers.

Get Verified

AI ATS Technology

Learn about the advanced AI and ATS technology that powers our platform.

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

Learn how our AI-powered semantic matching goes beyond keywords.

Learn More

    Software Developer Python Javascript Jobs in United Kingdom Job Search Guide, Trends and Insights