1,522,548+ Lead Software Engineer Full Stack Java React Jobs in UK — Top Companies Hiring July 2026

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Software Dev Engineer II

Expedia B2B is the B2B arm of Expedia Group. We bring Expedia Group’s scale, travel supply, and technology to businesses that want to build and grow in travel. Within this space, our team builds and operates backend services and data‑driven capabilities that need to be reliable, scalable, and easy to evolv ...

Embedded Linux Software Engineer

Are you excited by the prospect of developing solutions that are powering the Internet of Things? Are you thrilled when your software is integral to systems in use around the world, helping businesses, communities and individuals better manage what is important to them? Do you want to work in a company tha ...

Principal Software Engineer (Athena)

About the Role Chainguard secures the open source supply chain, the infrastructure underneath the majority of software running in production today. This team is building Athena, the system that makes that possible at enterprise scale. Athena is the nerve center of our mission: we own the clearing ...

Software Engineer Ref. 3751

This role will primarily be based in Central London, with some occasional wider UK travel. Salary: £63,823, with an opportunity to qualify for additional allowances and a skills-related payment under the Government Digital and Data Profession Capability (GDDPC) Framework - formerly known as DDaT. < ...

Principal Software Engineer – UK

Principal Software Engineer – UK Jobs in Manchester at DISCO Your Impact The Principal Software Engineer shapes and evolves our architecture using Distributed Domain Driven Design practices, ultimately ensuring the robustness and scalability of our systems. They influence archit ...

Software Engineer, AI Products

Location Remote first in the UK. Most of the team work primarily from home but we also have an office available in Central London for in-person meetings with your team and quarterly all team meetings. You can expect to travel to the office 6 times a year. Reporting to ...

Software Engineer (AWS Connect)

We're looking for a Software Engineer (AWS Connect) who is passionate about Tech for Good and wants to make a difference for the people we help on a daily basis. The Software Engineer role is responsible for building, testing, and maintaining software that delivers value to our users. The role work ...

Staff Software Engineer (Golang)

At SeeChange, we leverage AI to create transformative solutions that deliver positive impact on both retailers and customers, enabling a more secure, seamless, and efficient shopping experience. From loss prevention and product recognition to hazard detection and operational insights, we deliver scalable A ...

Software Test Engineer (C++)

LMAX Group is looking for a tester for our C++ development team. In this position you can expect to help design and implement automated testing suites as well as conduct exploratory testing of our trading applications. You will also be assisting the development team to ensure that new code is designed with ...

Senior Software Engineer DevOps

Salary: £41,000 - 81,000 per year Requirements Strong experience with Java and Spring Experience with AWS and CI/CD pipelines Experience with SQL and NoSQL databases Experience with REST APIs and message brokers Experience with testing, inclu ...

Senior Software Engineer Typescript

Applications processed via employer's online application form We are Liberty IT: industry leaders in digital innovation.Liberty IT is part of Libe... We won’t stand over your shoulder. We won’t get in your way. We certainly won’t hold you back. You’ll bring the expertise . We’ll provide the p ...

Senior Software Engineer (DevOps)

Overview Expleo Group is hiring a Senior Software Engineer (DevOps) based in Manchester, Greater Manchester, North West, UK . This is a Contractor opportunity. Expleo is looking for a Senior Software Engineer (DevOps) to join our team, supporting a key ...

Senior Software Engineer Android

Overview We're looking for a Senior Software Engineer - Android to join our London team. In this role, you'll help us build and scale our world-class mobile applications, ensuring a seamless and high-performance experience for our global community of users. This role is based in our London offi ...

Senior Software Engineer (C#)

Overview Senior Software Engineer (C#) responsible for delivering high-quality software in an industrial automation context. This role involves technical leadership, mentoring, and collaboration across engineering teams. Responsibilities Developing junior team members - suppor ...

R&D Software Engineer

Our client, a leading technology company in the Defence & Security sector, is currently seeking a talented Research & Development Software Engineer to join their innovative team on a permanent basis. This role is based at Portsdown Technology Park in Portsmouth and offers the exciting opportunity to work o ...

Contract C# Software Engineer

Salary £40,000 - 70,000 per year Requirements Good analytical skills and experience in code and design review for large projects. Experience in multi-threaded and distributed applications, preferably with an understanding of network protocols. Strong ex ...

Principal Software Engineer Food

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

Software Engineer (Next.js + Playwright)

Your Impact As a Software Engineer, you'll help design, build and maintain the web applications that power our healthcare automation platform. You'll work across the full development lifecycle, collaborating with Product, Engineering and Clinical teams to deliver reliable, scalable solutions used ...

Software Engineer, 3D Graphics

Our team of professional game developers is looking for a 3D Programmer. Develop an online game project An existing graphics enginemodify and update Improving applied technologies Writing shaders Requirements: At least 2 years of experience gr ...

Frontend Software Engineer (TypeScript)

Requirements We are looking for a developer who can navigate logic, manage state, and help us build maintainable solutions Experience: 1-3 years of software engineering experience with knowledge of HTML, CSS, TypeScript and ideally modern frontend frameworks Logic & Stat ...

Software Dev Engineer II

Expedia Group brands power global travel for everyone, everywhere. We design cutting-edge tech to make travel smoother and more memorable, and we create groundbreaking solutions for our partners. Our diverse, vibrant, and welcoming community is essential in driving our success. Why Join Us? ...

Airbus – Software Systems Engineer

Airbus – Software Systems Engineer Location: Portsmouth, UK TYPE: Full time / STEM returners welcome Job Description Eligibility to gain UK SC Security Clearance. Travel required: 20% UK and internationally, more if of interest. What's in it for you Fina ...

Software Engineer Data Science

We are building a benchmark dataset to evaluate AI models on professional document understanding and instruction following within the Technology domain. Tasks consist of complex, multi-step requests grounded in real-world workspace files (technical specs, architecture docs, API references, codebases ...

Senior Embedded Software Engineer

A fast growing business in the Greater Manchester area is looking to increase its R&D capability for new and future projects. This company is looking to add a Senior Embedded Software Engineers offering the chance to work on some of the latest and coolest technology in the industry.The role ...

IT & Software Systems Engineer

IT & Software Systems Engineer UNLEASH YOUR POTENTIAL We are in search of two?Systems Engineers?for our Leidos engineering capability. The successful Systems Engineers will have a full understanding of the principles of systems engineering, will have prior experience as a Systems Eng ...

.Net/Blazor Software Engineer

.Net/Blazor Software Engineer Leeds city centre (2-3 days a week) Up to £50k DOE + great benefits Why are we hiring? Do you want to work in the green economy, helping to build solutions that improve the energy ...

Senior Software Engineer Identity

We are looking for a Senior Engineer to join our Identity team at Hargreaves Lansdown. As part of a major transformation programme, you'll help deliver the migration of our identity services to a new strategic platform, shaping how millions of customers securely access our products and services, as well as ma ...

Senior Embedded Software Engineer

Senior Embedded Software Engineer My client is an innovative technology consultancy that works across sectors including healthcare, communications, industrial technology and advanced engineering to develop complex, cutting-edge products and systems ...

Senior Embedded Software Engineer

Embedded Software Engineer - Motor Drives Location: WorthingSalary: Up to £75,000Working Arrangement: Hybrid - Typically 3 days onsite, 2 days remote Are you an experienced Embedded Software Engineer with a passion f ...

Senior Embedded Software Engineer

A fast growing business in the Greater Manchester area is looking to increase its R&D capability for new and future projects. This company is looking to add a Senior Embedded Software Engineers offering the chance to work on some of the latest and coolest technology in the industry.The role ...

Senior Robotics Software Engineer

Senior Robotics Software Engineer £65,000 - £90,000 DOE | Remote Company Overview Our client is building advanced AI and autonomy technologies that solve some of the most technically challenging problems in computer visio ...

Software Engineer Android Developer

Software Engineer | Android | Defence / MOD Contract or Permanent | £500pd or £70k Cheltenham - 5 days a week + 1 day/week Herefordshire (for client visits) Security Clearance : It is an essential requirement for candidates t ...

Senior Software Engineer C++

Senior Software Engineer C++ When registering to this job board you will be redirected to the online application form. Please ensure that this is completed in full in order that your application can be reviewed. Within your role as Senior Software Engineer no two da ...

Senior Embedded Software Engineer

YT Tech are working with a security technology company based near Worcester. We are looking for a Senior Embedded Engineer who wants to do more than just write code. This is a role for an engineer who enjoys the sharing of ideas and wants an interesting role. The Mission You will be respo ...

Software Engineer Back End

About us @Symphony We’ve spent the last 10 years building a communication and markets technology company, powered by interconnected platforms: messaging, voice, directory and analytics. Over 1000 institutions use our modular technology built for global finance. Security is in our DNA with uncomprom ...

Principal Software Engineer SQL

Principal Software Engineer – SQL (17065) As a Principal Software Engineer within the eCommerce Platform Delivery team, you will provide leadership and technical stewardship across multiple squads within a defined Mission. You will be responsible for the overall design and accountable for upholdi ...

Staff Backend Software Engineer

About Freetrade Freetrade’s mission is to become the default place to invest. Investing has been too complicated and expensive for too long, keeping millions from making the most of their savings. We’re changing that. We’re building our team and looking for people who are excited to ...

Software Engineer, RL Data

About the role This is a senior, foundational role on a new team: you’ll make architecture decisions that the rest of the team builds on and help shape what we build first. The work is hands‑on and varied. Some weeks you’ll be deep in pipeline or infrastructure engineering; others you’ll be tunin ...

Senior Software Engineer Tetragon

This role is for a Tetragon software engineer focused on developing the Tetragon agent, enablement for various embedded platforms and cloud environments, and creating BPF programs that detect and prevent malicious activity. Responsibilities Design and implement advanced eBPF-based ru ...

Senior Software Engineer Enterprise

At the company, we help teams get more work done. We are the best AI work platform that empowers teams to automate, build, and scale their impact end-to‑end with tools that actually execute the work for you. With over $1B in ARR, 250,000+ customers, and a global team, we’re serious about building a product ...

Senior Software Engineer (Growth)

the company is the upskilling platform for AI and Tech adoption. We have partnered with 1,500+ companies to deliver a new kind of learning that's transforming today’s workforce. Our upskilling apprenticeships are designed for people of any age and career stage to build critical AI, data, an ...

Senior Software Engineer (GO)

Key Responsibilities Backend Platform Engineering Design, develop, and maintain high‑performance backend services using Golang within distributed and microservices‑based architectures. Build enterprise‑grade AI platform capabilities supporting LLMOps, model deployment, inference services, ...

QA software engineer, Android

Localisation : South Wimbledon, Royaume‑Uni Type de contrat : Full Time Permanent Référence: 11665 Notre culture DevOps est solide : nous croyons au principe du “release small, release often.” Grâce à des pipelines CI/CD 100% automatisés, nous réaliso ...

Senior Software Engineer AI

Senior Software Engineer - AI Start-up - London - In-Office - Up to £200k Base + Equity We’re supporting a category‑leading AI organisation building next‑generation conversational agents used by major global brands. Their platform powers intelligent, human‑like interactions across chat, email and ...

Senior Software Engineer Products

At the company, we help teams get more work done. We are the best AI work platform that empowers teams to automate, build, and scale their impact end-to-end with tools that actually execute the work for you. With over $1B in ARR, 250,000+ customers, and a global team, we’re serious about building a product ...

Naimuri Senior Software Engineer

Job Title: Naimuri Senior Software Engineer Job Type: Permanent, Fulltime Location: Salford Quays ID: 20259 About us: We’ve just had our tenth birthday, having grown from a little-known tech start‑up into a community of 180 people, mostly based in Salford, Greater ...

Senior Software Engineer Campaigns

At the company, we help teams get more work done. We are the best AI work platform that empowers teams to automate, build, and scale their impact end-to-end with tools that actually execute the work for you. With over $1B in ARR, 250,000+ customers, and a global team, we’re serious about building a product ...

Graduate Software Engineer (27664)

This team is motivated by saving lives in war affected regions and on the battlefield. They believe that by combining advanced technologies from different sectors they can fundamentally change the effectiveness of those we rely on to keep us safe. By providing better tools and systems that adapt to modern ...

C / C++ Software Engineer

World Class Defence Organisation based in Stevenage is currently looking to recruit 2x Software Engineer subcontractors on an initial 12 month contract, with very likely extension. The role will be onsite 4 days per week. A 4 day working week is OK (Monday to Thursday). Rate: </stron ...

R&D Software Engineer

Our client, a leading technology company in the Defence & Security sector, is currently seeking a talented Research & Development Software Engineer to join their innovative team on a permanent basis. This role is based at Portsdown Technology Park in Portsmouth and offers the exciting opportunity to work ...

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