283,614+ Fullstack Software Engineer Java React Aws Jobs in UK — Top Companies Hiring June 2026

Professional job seekers finding United Kingdom jobs through Expertini
750,000+ professionals on Expertini 750,000+ Candidates
Join our global community
Expertini Penguin Mascot Resume Score™
Resume Score™ Instantly
Upload Your CV
Quick 30-second process

Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

Reset

Create Job Alert

 
   
Reset

Senior AI Software Engineer, Coding Agent

About the Hiring Team: Tencent Overseas IT is dedicated to empowering Tencent’s rapid global growth with future‑ready, global IT platforms, applications and services. We lead the overseas IT strategy, architecture, roadmap, and execution to satisfy internal and external customers while building a world‑cla ...

Software Engineer, Platform Reading, United Kingdom

Software Engineer, Platform - Reading, United Kingdom Reading, United Kingdom The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google ...

Software Engineer – AI Powered UK Healthcare

black.ai is looking for Software Engineers in London to develop systems that integrate AI into clinical workflows, addressing the complexities of the UK healthcare system. The role involves building end-to-end solutions that enhance clinician experiences, ensuring seamless workflow integration and oper ...

Post Trade ETD Software Engineer Operations

A global financial services platform is seeking a software developer to join its ETD Operations Technology team. The role entails enhancing applications supporting post-trade workflows. You will work with operations and other technology teams ensuring accurate data processing. Candidates should have solid experi ...

Staff Software Engineer, Simulation ML Infrastructure

Waymo is an autonomous driving technology company with the mission to be the world's most trusted driver. Since its start as the Google Self-Driving Car Project in 2009, Waymo has focused on building the Waymo Driver—The World's Most Experienced Driver™—to improve access to mobility while saving thousands ...

Principal Software Engineer Distributed (Remote India)

Principal Software Engineer - Distributed IN Principal Software Engineer role within the Engineering - Server division at MariaDB plc. This position is open for remote work in India, focusing on high-level software engineering contributions. This role is for a Customer Support position ...

Senior SRE & Software Engineer: Middleware Resilience

A leading financial services company in London is seeking a Senior Software Engineer/SRE. Join the Application Middleware SRE team to build resilient, high-performance software that supports Bloomberg's infrastructure. Candidates should have expertise in Python and C++, along with strong system reliability skill ...

Senior Software Engineer — Market Making Platform

A financial services platform in London seeks a Senior Software Developer to enhance market making capabilities. Collaborating with teams, you will design and maintain intricate applications, ensuring their performance and security. Key qualifications include extensive experience in C# .NET and AWS cloud service ...

Staff Software Engineer in London Booksy

Skills Proficient in Python/Java programming, with a comprehensive understanding of advanced features and best practices. Experience in JavaScript/TypeScript and modern web frameworks (preferably Vue.js). Extensive experience with PostgreSQL database management system. ...

Field Software Engineer – Deploy & Integrate Robotics

About the Role We work closely alongside our customers to deploy our technology. As a Deployed Software Engineer at Arondite, you'll be responsible for implementing our technology with customers so that it effectively solves their real-world problems. You'll collect feedback from end users and wo ...

Kyriba Specialist Software Engineer I — Hybrid

Checkout Technology Ltd in Greater London is looking for a software engineer to develop next-generation payment technologies. You will lead solution design for the Kyriba Treasury Management System and engage with stakeholders to ensure project success. Qualified candidates will have at least 3 years o ...

Software Engineer II Cloud Banking Platform

J.P. MORGAN seeks a Software Engineer II to join their Global Banking Platform team in Greater London. The role involves designing and developing scalable microservices while applying best practices and technologies like Go, Python, and Kubernetes. Ideal candidates have hands-on experience in application develop ...

Software Developer Engineer in Test (SDET)

Mr Who? MrQ is an award‑winning online casino launched in 2018. We're big on tech, big on performance, and most of all – big on fun. Over the years, we have experienced explosive growth, which means we need more rock stars to join our quest for total world domination. What You Will Do </ ...

Principal Software Engineer — Tech Lead & Impact

A leading technology firm in Greater London is seeking a Principal Software Engineer to design, develop, and maintain critical infrastructure. This role involves ownership of team deliverables, collaboration with external partners, and mentoring engineers. Candidates must have strong capabilities in backend and ...

Application Software Engineer Relocation to Tokyo

At Wayve we're committed to creating a diverse, fair and respectful culture that is inclusive of everyone based on their unique skills and perspectives, and regardless of sex, race, religion or belief, ethnic or national origin, disability, age, citizenship, marital, domestic or civil partnership status, s ...

Senior Software Engineer — AI Inference Systems

A leading AI research organization in the UK is seeking a software engineer to join their Inference team. This role focuses on building and maintaining AI infrastructure to support research and serve users globally. Candidates should have experience with distributed systems and machine learning systems. The posi ...

GPU Kernel Engineer, Onboard Software Platform

Where you will have an impact As an Embedded Kernel Engineer within our dynamic team, you'll be instrumental in deploying Wayve's autonomous vehicle (AV) AI model across consumer vehicles. Your role is crucial in developing model compilers and crafting high-performance kernels for efficient inferenc ...

Backend Software Engineer — AI Driven Platform

A tech-driven marketing solutions company is seeking a Software Developer to shape the next generation of its AI-native platform. The role involves designing robust features, building scalable backend systems, and collaborating with teams to deliver high-quality software. Ideal candidates have over 4 years of de ...

Senior Software Engineer / SRE Application Middleware

Description & Requirements Are you passionate about building high-performance systems that are fast, resilient, and operate at global scale? Join Bloomberg’s Application Middleware SRE team, where you’ll combine software engineering and systems expertise to keep the backbone of the Bloomberg Ter ...

Senior SRE & Software Engineer, Application Middleware

A global technology firm in London seeks a Site Reliability Engineer to design high-performance systems and ensure reliability for their infrastructure. The role involves building production-grade software and conducting in-depth systems analysis. Candidates should hold a degree in Computer Science or a related ...

Senior Software Engineer, Event Streaming Systems

Senior Software Engineer, Event Streaming Systems Join us in our mission to transform the way people shop and eat, where impact, innovation and growth drive everything we do. Our Engineering teams tackle complex technical challenges across a global, three-sided marketplace, building and s ...

Lead Principal Software Engineer Cloud & Security

A leading consulting firm in Milton Keynes is seeking a Lead Principal Consultant for a contract role in Government, Defence & Security. The ideal candidate will have expertise in C# .NET Core or C++, along with experience in AWS, Docker, and security practices. The position offers a competitive day rate of £500 ...

Software Engineer — Real Time Engagement Platform

A forward-thinking tech company in Ipswich is seeking a Software Developer to enhance their Horizon platform. In this role, you'll design and develop web applications, troubleshoot existing systems, and mentor fellow developers. The ideal candidate has 4–8 years of experience in web-based applications, strong kn ...

Lead Substation Automation Software Engineer (SCADA)

A global power and energy company is seeking a Lead Software Engineer for Substation Automation to develop embedded and PC-based software for SCADA systems. The role includes enhancing existing systems and designing new architecture while ensuring compliance with industry standards. Candidates should possess exc ...

Software Engineer Hardware Integrated Systems (Cambridge)

A biotechnology innovator in Cambridge is seeking a Software Engineer to develop software for their Amperia analytical instrument with a focus on machine control and hardware integration. You will work closely with scientists and engineers, contributing to the seamless operation of complex systems. The ideal can ...

Senior PLC Software Engineer Industrial Automation

A prominent recruitment agency is seeking a PLC Software Engineer in Dungannon, UK. The successful candidate will be responsible for designing, programming, and optimising PLC-based control systems for complex machinery. Applicants should have at least 5 years of experience in a relevant environment, a degree in ...

Test Systems Software Engineer (Hardware‑Integrated)

A technology consulting company in Stevenage seeks a Test Systems Software Engineer to design and develop test systems software for engineering applications. This role requires strong programming skills in C/C++ and C#, along with experience in automated test principles. You will work closely within a multidisci ...

Senior Software Engineer GenAI & AI Products

Tesco in Welwyn Garden City is looking for a Software Development Engineer III to lead in developing and operating GenAI-powered products, including LLM applications and workflows. The role focuses on translating complex issues into production-ready solutions while ensuring reliability and user impact. The candi ...

Contract Semiconductor Software Engineer (C++/C#)

A leading technology company in the UK is seeking a software engineer with experience in the semiconductor industry for a 6-month contractual role. Responsibilities include programming hardware interfaces and developing applications related to equipment control. The ideal candidate should possess strong skills i ...

Platform Software Engineer Platform Remote, UK

Ground Truth Labs GTL is a well‑funded, early‑stage startup developing state‑of‑the‑art digital technologies to better understand, diagnose and treat blood cancer patients. We have built an exceptional, small‑by‑design, interdisciplinary team to translate leading academic research into re ...

Graduate Software Engineer: AI & Networking Systems

A leading technology firm is seeking a dynamic Software Development Engineer in Cambridge, UK. Ideal for recent graduates, the role involves validating software features, collaborating with teams, and contributing to next-generation software for networking solutions in a hybrid work environment. Candidates shoul ...

Software Engineer: Azure, Microservices & Scalable SaaS

A tech-focused event organization in Manchester is seeking a Software Engineer to develop scalable software solutions using Azure technologies. This role involves writing maintainable code, mentoring junior engineers, and ensuring system reliability and security. You will collaborate with cross-functional teams ...

Defence Simulation Software Test Engineer Hybrid

An established defence company located in the UK is seeking a Software Tester to take ownership of testing complex defence simulation systems. The ideal candidate will have extensive software testing experience, hold necessary certifications, and be a British citizen due to security clearance requirements. This ...

Senior Software Engineer, Infrastructure / Efficiency / Productivity

Overview AI-First Automation & Intelligent Tooling Roku is the #1 TV streaming platform in the U.S., Canada, and Mexico, and we aim to power every television in the world. We connect consumers to content, enable publishers to build and monetize audiences, and provide advertisers uni ...

Quantum Software Engineer: Compiler & Error Mitigation

A pioneering quantum technology firm in Reading is seeking a Quantum Software Engineer. In this role, you will advance quantum systems by developing software for efficient compilation and execution of quantum programs. You’ll tackle challenges like quantum error mitigation and correction while collaborating with ...

Staff Software Engineer, Product Engineering, UK

About the Role Our engineering culture strives to create an environment where engineers own and deliver product features end‑to‑end, from research through design to implementation. As a product engineer, you will write product specs, create wireframes, and build the product with minimal oversight ...

Senior Research Software Engineer, Multiphoton Microscopy

The Python Software Foundation is inviting applications for a Senior Research Software Engineer (Multiphoton Microscopy) based in the Neuroinformatics Unit. The role involves developing algorithms for processing brain imaging data and collaborating with leading researchers in neuroscience. Ideal candid ...

Forward Deployed Software Engineer UK Government

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and mor ...

Open Source Software Engineer – Impactful & Collaborative

A leading technology firm in London is seeking a talented Software Engineer to design and develop innovative software solutions. The ideal candidate will hold a Bachelor’s degree and have more than 3 years of experience in software development, demonstrating proficiency in programming languages like Python. This ...

Staff Software Engineer (Optimizely Analytics, Backend)

Introduction Optimizely Analytics is the industry leading warehouse native analytics platform. We are used by Canva, Grammarly, Alaska Airlines, and many more to unlock data-driven decisions for experiment analysis, product analytics, sales analytics and beyond. You will work in a small, nimble t ...

C++ Software Engineer Relocation to Amsterdam

C++ Software Engineer | Proprietary Trading | Amsterdam Elevate Partners are partnered with a global leading prop trading firm currently seeking experienced C++ Software Engineers to join their high-performing technology team in Amsterdam. Technology sits at the core of the business ...

Software Engineer Signal Processing & AI (Hybrid)

A global leader in maritime defense solutions seeks a Software Engineer to focus on C++ development and signal processing. This role involves architectural design, algorithm implementation, and peer review. Candidates should have experience in multi-threaded design and expertise in AI/ML techniques. Benefits inc ...

Software Engineer AI Tooling & Developer Experience

Matillion Limited is looking for a mid-level Software Engineer to join our Internal Engineering Platform team in Manchester. The role emphasizes developing solutions for the developer lifecycle and integrating AI tools to enhance engineering workflows. Candidates should have strong Python skills, DevOps exper ...

Mission Software Engineer: Field Deployments & AI

A global technology company is seeking a Mission Engineer to drive software deployment and solve critical technical challenges. You will design, implement, and improve software, integrating data from edge sensors and applying machine learning solutions. The ideal candidate has a background in Computer Science, w ...

Staff Software Engineer, Product Engineering, UK

About the Role Our engineering culture strives to create an environment where engineers own and deliver product features end‑to‑end, from research through design to implementation. As a product engineer, you will write product specs, create wireframes, and build the product with minimal oversight ...

Backend Software Engineer C# .Net Core

Get AI-powered advice on this job and more exclusive features. This range is provided by Client Server. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Client Server Senior ...

Software Engineer (Distributed Systems & ML Infrastructure)

Role: Software Engineer (Distributed Systems & ML Infrastructure) Client: Elite Tech Firm Compensation: Up to £220k Base + Industry-Leading Bonus Location : London (Hybrid) Overview ...

Industrial Automation Software Engineer PLC & Embedded

Robert Bosch Group is seeking an IPM Software Engineer in St. Neots, UK. The successful candidate will be responsible for the full software development lifecycle, including architecture, development, and integration of systems for electro-hydraulic solutions. Applicants must have a strong background in PLC progr ...

Software Quality / Testing Engineer (12 months)

JOB DESCRIPTION POSITION: Software Quality/ Testing Engineer (12 months) REPORTING STRUCTURE Report to: Senior Deputy Director (Product Management) KEY RESPONSIBILITIES 1) Test Planning & Strategy Contribute to the development of test plans, de ...

Software Development Engineer in Test Decisioning

Job Description Software Development Engineer in Test - Decisioning - Hybrid, Glasgow, UK We’re a leader in data and AI. Through our software and services, we inspire customers around the world to transform data into intelligence - and questions into answers. I ...

🚀 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

    Buffering Video...

    Fullstack Software Engineer Java React Aws Jobs in United Kingdom Job Search Guide, Trends and Insights