Software Engineer Fullstack jobs in London

TPXimpact

About The Role We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role inv

LSEG (London Stock Exchange Group)

LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a commitment to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and world

IG Group

Who you are For this role, we're looking for solid backend engineering experience with Java as your weapon of choice (Spring Boot, REST/gRPC, reactive patterns) Battle-tested experience running production workloads on Kubernetes (AWS EKS preferred) – you've debugged pod crashes at midnight and lived

Overview We are seeking a highly skilled and innovative Software Engineer to join our dynamic team. The ideal candidate will have a strong background in software development across various platforms and technologies, with experience in embedded systems, application development, and network communica

Man Group

About Man Group Man Group is a global alternative investment management firm focused on pursuing outperformance for sophisticated clients via our Systematic, Discretionary and Solutions offerings. Powered by talent and advanced technology, our single and multi-manager investment strategies are under

Snyk

Snyk is the leader in secure AI software development, helping millions of developers develop fast and stay secure as AI transforms how software is built. Our AI-native Developer Security Platform integrates seamlessly into development and security workflows, making it easy to find, fix, and prevent

ivee

Software Engineer Company Description: Rapidly scaling tech company This is a great opportunity to join a product-focused engineering team working on scalable, user-centric solutions. As a Software Engineer , you’ll contribute to designing, building, and maintaining modern software systems that powe

Valarian

Valarian Technologies is a dual-use technology company building critical tools to safeguard the future in an era of evolving global security challenges. We're rethinking security beyond traditional military domains, addressing asymmetric threats that impact our technological advantage, economic stre

UnderwriteMe

£5,833 - £7,500 /month

Who you are You’re a thoughtful and pragmatic engineer who sees software development as a means to solve meaningful problems, not just to write code. You care deeply about building systems that are simple, maintainable, and valuable to users You’re naturally collaborative, working closely with engin

Valarian Technologies Limited

Valarian Technologies is a dual-use technology company building critical tools to safeguard the future in an era of evolving global security challenges. We're rethinking security beyond traditional military domains, addressing asymmetric threats that impact our technological advantage, economic stre

Marks & Spencer

Team Digital & Tech Store London Support Office Location London, Greater London Contract type Permanent Position type Full Time Salary Competitive + Benefits Closing date: 2nd June 2026 Intro About the role Meet the Team People Stories Make Your Mark Colleague Networks Benefits How to Apply How

Informed Solutions

About us: Make a difference and advance your career by helping deliver some of the UK’s most important #tech4good projects, making the world a smarter, safer, greener, and healthier place. You’ll join a talented team of dynamic and driven professional problem solvers; creative thinkers and solutions

Titanbay

About Titanbay Titanbay is building the infrastructure that powers private market investing for banks, wealth managers and fund managers. Our platform solves complex, multi-layered challenges behind the scenes so our clients can invest with greater clarity and confidence. There are deep technical ch

targetjobs UK

Catapult is building the future of sports performance technology, with a mission to Unleash the Potential of every athlete and team on earth. We don't just work in the sporting industry; we are actively changing it. Since 2006, our solutions have been leading the way in sports performance software,

Microsoft

Overview Do you enjoy solving problems, writing software, and working with customers? Do you wake up hoping to find time to learn a bit more about how to containerize compute workloads? Work with high scale data? Or build end-to-end engineering deployment systems? How can you use emerging AI technol

RVU

£6,667 - £8,333 /month

Who you are You will have a growth mindset, always keen to learn and explore, and you like to dig deep to understand how things work You will be able to debug large and complex systems, not just fixing the problems, but building a fundamental understanding of how the system works to the point where

NewDay

Why t hi s o pportunity i s u nique At N ewDay Cards Ltd, we are on an ambitious mission to redefine the future of financial technology. As a Senior .Net Engineer, you will be an integral part of a dynamic team that is dedica ted to delive ring ground breaking and flawless solutions. Here, you have

Zynga

Who you are Strong experience in software development, with a proven track record of delivering high-quality, scalable systems Proficiency in C# with essential knowledge of Unity Proficiency in client-backend integrations Strong understanding of software architecture and design principles Excellent

GLOBAL TECHNOLOGIES

Job Summary We are seeking an experienced Lead Software Engineer to oversee and drive our software development projects. The successful candidate will lead a team of developers, ensuring the delivery of high-quality, scalable, and efficient software solutions. This role requires a strong technical b

Wise

Fullstack Engineer - Account Setup Company Description Wise is a global technology company, building the best way to move and manage the world's money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving interna