Senior Software Engineer Fullstack Python React 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

Principal C/C++ Software Engineer

# **We are Ultra Precision Control Systems**Ultra PCS is a leading developer of mission and safety critical equipment in the defence and aerospace industry. Our team of experts are at the heart of our success, which is why we are dedicated to fostering a safe working environment and a positive culture where ever ...

Edge AI Embedded Software Engineer

A cutting-edge technology startup is seeking an Embedded Software Engineer in Oxford. The role involves designing and building software for embedded systems, focusing on navigation platforms. Ideal candidates will have a BSc/MSc in a related field, strong C/C++ skills, and experience in commercial embedded softw ...

Software Engineer, UI Embedded C++

Teamwork makes the stream work. Roku is changing how the world watches TV Roku is the #1 TV streaming platform in the U.S., Canada, and Mexico, and we've set our sights on powering every television in the world. Roku pioneered streaming to the TV. Our mission is to be the TV streaming platf ...

Software Engineer (Full Stack) London

Role: Software Engineer (Full Stack) Locations: London (must be willing to travel to client sites throughout the UK on an ad hoc basis) In our team you will: We typically work hand-in-hand with our clients to build great digital products for them and for their customers. ...

Software Engineer III (Java / Spring)

Software Engineer III (Java / Spring) Are you passionate about building high‑performance backend systems? Do you thrive on solving complex engineering challenges with Java and Spring? About the team Our team is dedicated to unlocking the rich knowledge embedded within Elsevier’s ...

Java Lead Software Engineer VP

Overview We have an opportunity to impact your career and provide an adventure where you can push the limits of what 's possible. As a Lead Software Engineer at JPMorgan Chase within the Commercial & Investment Bank's Equities Technology team, you are an integral part of an agile team that works t ...

Lead Engineer Software & HPC Engineering

Lead / Senior HPC Engineer Location: On-site (due to secure, air-gapped systems) Full-time | 40 hours per week Are you ready to play a key role in one of the most ambitious technological challenges of our time? We are a pioneering UK-based deep‑tech company developing next‑g ...

Java Lead Software Engineer VP

We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorgan Chase within the Commercial & Investment Bank's Equities Technology team, you are an integral part of an agile team that works to enhance, ...

Software Engineer at Axle Energy

Company Description Axle Energy - VC-backed infrastructure for decarbonised energy systems. Job Description Join Axle Energy to build core software infrastructure for the decarbonised energy system. You will develop platforms that connect distributed energy devices to electricit ...

Staff Software Engineer, Agentic Platform

About the Role We’re looking for a Staff-level Backend Engineer (AI) to bridge robust backend systems with Generative AI. You’ll design frameworks, standards, and platforms that allow AI capabilities to scale securely, reliably, and efficiently across the enterprise, influencing long-term technic ...

Staff Software Engineer, Motion Planning

Job Description We are looking for an experienced Staff Software Engineer who can design and build best‑in‑class planning systems for autonomous driving in structured, low‑speed environments. In this role, you'll be the technical backbone of the planning stack — owning the design and impl ...

Principal Software Engineer Executive Director

Job Description If you are looking for a game-changing career, working for one of the world's leading financial institutions, you’ve come to the right place. JP Morgan Chase’s ambitions for AI/ML are transformational, but safety and security are non‑negotiable. As a Principal Softwa ...

Lead Software Engineer AM/UX

Job Description We have an opportunity to impact your career and provide an adventure where you can push the limits of what's possible. As a Lead Software Engineer at JPMorganChase within Markets Technology, you are an integral part of an agile team that works to enhance, build, and deliver ...

VP & Staff Software Engineer(s)

About Share Share is a venture-backed internet infrastructure network building Africa’s backbone. The company aggregates underutilized telecom infrastructure, fiber, subsea cables, and data centers, and provides ISPs with scalable access to bandwidth without traditional upfront costs. Through an ...

Software Engineer (m/f/d)

We are seeking a motivated and detail-oriented Software Engineer to join our team in Birkenhead, Liverpool. This is an excellent opportunity for a recently qualified graduate or early-career professional looking to develop their skills in a commercial embedded software environment. Who are we? </h ...

Staff AI Engineer Software Development

Ready to start something new? Join a leading AI-powered pricing and underwriting platform for commercial insurers, helping transform how risk is understood, priced, and managed across the global insurance ecosystem. The organisation supports insurers, reinsurers, and MGAs in making faster, more con ...

Lead Software Engineer — Underwater Robotics

ARM is looking for a Software Lead to design and deliver advanced software solutions for underwater robotic systems in Fareham, England. This role requires at least 7 years in senior software engineering, managing multidisciplinary teams, and expertise in software architecture. The ideal candidate will engage wi ...

Software Engineer, AxSTREAM Function Development

SoftInWay Inc is seeking a Software Developer to join their team in Bristol, UK, focusing on the development of advanced functions within the AxSTREAM platform, a leading tool for turbomachinery analysis. Ideal candidates will have a Master's degree and a minimum of 2 years in engineering software development. T ...

Integration Software Engineer Cambridge, UK

Cambridge, UK | Full-time | Permanent | Hybrid The salary range for this role is broad, as we are able to consider varying levels of experience.Any offer made will carefully take into account level of experience (including relevant industry experience), transferable relevant skills and previous rel ...

Principal Software Engineer in Bristol

Overview Energy Jobline is the largest and fastest growing global Energy Job Board and Energy Hub. We have an audience reach of over 7 million energy professionals, 400,000+ monthly advertised global energy and engineering jobs, and work with the leading energy companies worldwide. We foc ...

Product Minded AI Software Engineer

INSHUR is seeking a Product-Minded Software Engineer III to enhance product delivery using AI tools. This hybrid role involves collaborating with a product team to develop and implement software solutions. Key responsibilities include using agentic coding tools to improve product iterations and writing code in G ...

Principal Software Engineer Executive Director

JP Morgan Chase’s ambitions for AI/ML are transformational, but safety and security are non negotiable. As a Principal Software Engineer within AI Governance Engineering, you will design and build platforms and shared services that enable teams to develop, deploy, and operate AI/ML solutions with complianc ...

Software Engineer, C++ EA Sports

Locations : Southam, Warwickshire, United Kingdom Job Summary As a Software Engineer, you will join us to develop the latest technology, tools, and frameworks to shape the next big leap forward. Collaborate with passionate colleagues to create ground‑breaking features that redefine t ...

Contract Software Engineer SC Cleared

Contract Software Engineer – SC Cleared Location: Newcastle (Hybrid) Clearance: SC Clearance required Contract Type: Contract Start Date: ASAP (high priority requirement) Day Rate: up to £550 per day OUTSIDE IR35 To apply, email: </l ...

Software Engineer II (Front End)

Overview Job title: Engineer II Location: London / Bristol / Edinburgh - Hybrid Salary: £46,000 - £60,000 Reporting to: Software Engineering Manager Visa sponsorship: At this time, we are not able to offer visa sponsorship fo ...

Java Software Engineer Customer Services

Starling is the UK’s first and leading digital bank on a mission to fix banking! We built a new kind of bank because we knew technology had the power to help people save, spend and manage their money in a new and transformative way. We’re a fully licensed UK bank with the culture and spirit of a fa ...

Prototype Engineer: Hardware Software Fusion

Nothing is seeking a full-time role for functional prototyping within their Industrial Design team in Greater London. The candidate will work on creating new interfaces that merge hardware and software capabilities. Responsibilities include building prototypes, collaborating with design teams, and integrating va ...

Staff Software Engineer Web Platform

As part of the M&S Software Engineering team, you'll be joining a well-loved historic brand, working on solutions that serve millions of loyal customers and thousands of colleagues! With ethical values that run right through the company's core and technology leaders that truly understand software engineers ...

Test & Commissioning Engineer Electrical & Software

Allye Energy Limited is seeking a Test and Commissioning Engineer to join our team in London. The role focuses on the hands-on commissioning and testing of Battery Energy Storage Systems (BESS), ensuring safety and performance. Candidates should possess a relevant electrical qualification and at least 2 years of ...

Cyber Software Engineer Security Cleared

Cyber Software Engineer – SC / DV / eDV Cleared New Permanent Opportunity for Cyber Software Engineers in Cheltenham with Security Clearance to work on Mission-Critical, National Security projects Role: Cyber Software Engineer Location: Cheltenham or Gloucester (hybrid) </li ...

Principal Software Engineer Executive Director

Job Description If you are looking for a game-changing career, working for one of the world's leading financial institutions, you've come to the right place. JP Morgan Chase's ambitions for AI/ML are transformational, but safety and security are non negotiable. As a Principal Software Eng ...

Staff Software Engineer Commercial Trading

Summary As part of the M&S Software Engineering team, you’ll be joining a well-loved historic brand, working on solutions that serve millions of loyal customers and thousands of colleagues! With ethical values that run right through the company’s core and technology leaders that truly understand s ...

Staff Software Engineer (IBM Sterling)

Summary The M&S Online Fulfilment area is looking for a Staff Software Engineer to join our Promising team. You will provide technical expertise, lead the design and delivery of robust solutions, and operate with excellence. Creative, curious and pragmatic, you will lead the modernisation ...

Field Applications Engineer, Motorsport Software

Motion Applied is seeking a Field Application Engineer to support customers in utilizing Motion Applied hardware and software. This role requires excellent communication and problem-solving skills, especially under pressure. The ideal candidate should have experience in motorsport environments and an Upper Secon ...

Software Engineer (Sync Learning & Impact)

The Role It’s an incredible time to join the Engineering team at Multiverse, the UK’s first edtech unicorn, as we equip the workforce to win in an AI era. You have a real opportunity to impact the lives of 1,000s of people. Within the Sync Learning and Impact squad, we are the arc ...

Lead Software Engineer Web Development

Job Title: Lead Software Engineer - Web Development Contract Type: Permanent Location: Alderley Park Working style: Hybrid 50% home/office based Closing date: 11th May 2026 We are seeking a highly skilled and experienced Lead Software Engineer in Web Development to ...

Software Engineer III (Java / Spring)

.**Software Engineer III (Java / Spring)****About the team:**Our team is dedicated to unlocking the rich knowledge embedded within Elsevier’s content through our semantic data platform; this empowers researchers, clinicians, and innovators worldwide to gain new insights, make informed decisions, and accelerate p ...

Cyber Software Engineer eDV Cleared

Cyber Software Engineer – eDV Cleared New Permanent Opportunity for Cyber Software Engineers in Cheltenham with Security Clearance to work on Mission-Critical, National Security projects Role: Cyber Software Engineer Location: Cheltenham (hybrid) Clearance: eDV ...

Software Engineer Fast Shipping Builder

About Corgi Corgi Insurance is an AI-powered insurance company designed for tech startups. The company has raised $108M and holds regulatory approval as a licensed carrier. The platform is built on Django, utilizes Stripe for payments, and features AI-driven underwriting. Corgi is currently scali ...

Principal Software Engineer Executive Director

Job Description If you are looking for a game-changing career, working for one of the world's leading financial institutions, you've come to the right place. JP Morgan Chase's ambitions for AI/ML are transformational, but safety and security are non negotiable. As a Principal Software Eng ...

Software Development Engineer in Test

Become part of a mission‑driven digital team helping to build secure, resilient services used by millions across the UK. The Driver and Vehicle Licensing Agency (DVLA), in partnership with Inspire People, is seeking Software Development Engineers in Test with strong software engineering skills, experience ...

Software Engineer I Entry Level

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Ange ...

Software Engineer – Hybrid, Growth & Certifications

Netcompany in Greater London is seeking an experienced IT professional for a technology consultancy role that emphasizes software development and innovation. The position provides a hybrid working model, fast-track career development, and exposure to cutting-edge technologies. You’ll play an essential part in th ...

Staff Software Engineer, Continuous Integration

About The Role Anthropic is seeking talented and experienced Software Engineers to join our Continuous Integration (CI) team within the Developer Productivity organization. The CI team is responsible for the infrastructure that enables hundreds of engineers to ship code safely and efficiently to ...

Automation Engineer: Software, Robotics & Manufacturing

A cutting-edge electronics manufacturing company in the UK is seeking a Manufacturing Engineer to design and develop intelligent automation systems. The role involves developing software for robotic systems, integrating control systems, and collaborating with hardware engineers. Candidates should be proficient i ...

Principal Software Engineer Retail Technology

About Us We're the team behind digital retailer Very. Our purpose, helping families get more out of life, powers everything we do. And we want our people to get more out of life too! If you're high-performing, ambitious and make the most of every opportunity, we want to hear from ...

Industrial Automation Software Controls Engineer

A leading automation solutions provider in the UK is seeking a Software Controls Engineer to manage control software development for industrial automation projects. You will be responsible for PLC programming, HMI development, and system integration while adhering to safety and quality standards. The ideal candi ...

Security Cleared Software Engineer (DV)

A leading telecommunications company in Cheltenham is seeking a Software Engineering Professional to support software engineering strategies and project delivery. This full-time role requires eligibility for DV Security Clearance and offers competitive benefits, including a salary with a potential 10% bonus, pen ...

Software Development Engineer in Test

PlayStation isn’t just the Best Place to Play — it’s also the Best Place to Work. Today, we’re recognized as a global leader in entertainment producing The PlayStation family of products and services including PlayStation®5, PlayStation®4, PlayStation®VR, PlayStation®Plus, acclaimed PlayStation software ti ...

Software Engineer | Associate | Birmingham | 2026

Software Engineer | Analyst/Associate | Birmingham | 2026 Birmingham, West Midlands, England, United Kingdom Job Description MORE ABOUT THIS JOB Please note division and function examples are representative of opportunities common for this skill‑set. The list is ...

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

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

To-Do Planner

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

Open Planner

Wellbeing Center

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

Check Wellbeing

Skill Coach

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

Start Coaching

Outfit Helper

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

Find Outfit

Income Tax Calculator

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

Calculate Tax

Salary Benchmark

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

Check Salaries

Interview Practice

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

Start Practicing

Interview Predictor

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

Predict Questions

Interview Practice Timer

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

Start Timer

Behavioral Mastery

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

Master Answers

Question Journal

Confidentially record interview questions you were asked for future reference.

Open Journal

Interview Ace

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

Become an Ace

Q&A Logs

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

View Logs

Application Planner

Schedule and organize your job applications in one confidential planner.

Open Planner

Cover Letter Tool

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

Generate Letter

Resume Score

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

Check My Score

ATS Score

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

Check ATS Score

Application Analyzer

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

Analyze Application

Career Visualizer

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

Visualize My Career

Offer Genius

Get intelligent insights and strategies to confidently negotiate job offers.

Negotiate Offers

JobFlow

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

Track My Flow

JobSense

Our intelligent matching engine that provides smart job recommendations.

Get Smart Matches

Networking Toolkit

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

Build Network

Professional CV

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

Use This Template

Executive CV

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

Use This Template

Modern CV

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

Use This Template

Creative CV

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

Use This Template

Minimalist CV

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

Use This Template

Europass CV

The standard European Union recommended format for wide compatibility.

Use This Template

Student CV

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

Use This Template

Graduate CV

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

Use This Template

Academic CV

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

Use This Template

Developer/IT CV

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

Use This Template

Skilled Worker CV

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

Use This Template

Monochrome CV

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

Use This Template

Art CV

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

Use This Template

Harvard CV

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

Use This Template

Volunteer Research

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

Join Research

Review Us

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

Share Experience

Register

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

Create Account

Login

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

Access Your Account

Profile Builder

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

Build Your Profile

View Profile

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

Preview Profile

Bookmarked Jobs

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

View Saved Jobs

Your Reviews

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

See Your Reviews

Following

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

Manage Following

Find Companies

Discover and research top employers in your country and industry.

Discover Employers

Standalone CV Builder

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

Build Your CV

PDF to DOC (Beta)

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

Convert PDF

DOC to PDF (Beta)

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

Create PDF

General FAQ

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

Read FAQ

Job Seekers FAQ

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

Get Help

Job Matching

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

Learn How

Personalized Matching

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

Learn More

Quick Apply

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

Learn More

Alert Frequency

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

Manage Settings

Job Alerts Guide

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

Read Guide

Resume Matching

Learn how our system matches your resume to job requirements.

Learn More

Ethical Branding

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

Read Guide

Candidate Visibility

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

Increase Visibility

Verified Badge

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

Get Verified

AI ATS Technology

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

Learn More

ATS Ranking

Understand how Applicant Tracking Systems rank you as an applicant.

Learn More

Semantic Matching

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

Learn More

    Senior Software Engineer Fullstack Python React Jobs in United Kingdom Job Search Guide, Trends and Insights