Software Engineering Jobs in United Kingdom

3 days per week on site in Sheffield Contract to permanentRole Overview: We are seeking a Senior Full Stack Engineer to join a global team responsible for modernizing architecture and replacing legacy systems with microservices. This platform collects and processes data from multiple sources to meet

About TodayTix Group: TodayTix Group (TTG) is the global e-commerce leader for cultural experiences, designing frictionless discovery and purchase journeys through innovative product design and industry-leading technology. Our portfolio of brands––including TodayTix, New York Theatre Guide, London T

About the Company Affinidi is a technology company dedicated to changing data ownership for good. We empower businesses and individuals with control and ownership of their data, with a comprehensive approach to managing their holistic identity – accounting for all aspects of their digital foot

About SciLeads: SciLeads is a fast-growing, remote-first SaaS company helping reshape how scientific companies do sales and marketing. With over 90 people across the UK, Canada, and beyond, and plans to grow to 150+ in the next two years, our culture of openness, flexibility and innovation dri

Please note: This role requires applicants to be willing and eligible to obtain SC and DV security clearance. This role also requires applicants to be willing to work on-site up to 4 days per week. At Gemba Advantage, we build secure, user-centred digital products for critical public sector organisa

Bold ideas start with bold people. At Ensera Design, we are a world‑class user‑centered innovation and product development consultancy working across medical and consumer health. Join our multidisciplinary team to build robust, secure firmware that powers life‑enhancing products. We are currently se

About Zencoder At Zencoder.ai , we build and orchestrate AI agents that ship real work - code, research, operations, and more. What started as developer tooling is becoming a platform where people and agents collaborate across knowledge work tasks. The Opportunity We are looking for a Staff Software

Finova is the UK’s largest mortgage and savings technology provider, powering one in every five mortgages across the country. Our agile, cloud-native solutions help over 60 banks, building societies, specialist lenders and equity release providers — plus a network of 2,400+ brokers — stay ahead of t

Do you want to work at the cutting edge of browser technologies? Are you interested in working on Development Tools?Join our engineering team, where you will be working on the next generation of compilers and virtual machines that target HTML5/WebAssembly, contributing to our vision of bringing any

Kernelics - is an international company with development centers in Poland, Georgia, Cyprus. We are passionate about gathering the best IT specialists and building teams for tech startups all over the world. If you are also keen on start-ups and innovative projects, if it is important for you to wor

About Flow Flow Engineering is an AI-native requirements platform for modern engineering organizations, enabling hardware teams to collaborate with AI agents to design, validate, and evolve complex systems with speed and rigor. About the role Flow is seeking software engineers to build AI-powered ca

About the Role We're looking for a Full Stack .NET Developer to join our growing Development team at StoneShot. This is a great opportunity for a mid-level developer who wants to take ownership of features, contribute to technical decisions, and build high-quality applications used by leading financ

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 sca

About Vessel Vessel is building the future of housing. We combine breakthrough design, advanced manufacturing, and first-principles thinking to tackle one of the world’s most pressing challenges: creating sustainable, attainable housing for all. This isn’t just construction—it’s a complete reimagini

About Dubber Dubber is the world’s leader in conversation capture and intelligence, revolutionising how businesses capture, analyse, and leverage their conversations. With cutting-edge AI technology, Dubber provides a comprehensive suite of tools and features that goes beyond traditional call record

AiFi is a spatial intelligence platform that helps businesses understand and operate physical spaces using real‑time AI. Built on a camera‑first, privacy‑conscious foundation, our platform transforms physical environments into actionable systems—improving operations, elevating customer experiences,

About Neo4j: Neo4j is the graph intelligence platform that transforms data into knowledge to power the next generation of intelligent applications and AI systems. It includes enterprise-ready knowledge graphs for accurate, explainable, and governed AI; the most comprehensive, trusted, and easy-to-de

Astronomer empowers data teams to bring mission-critical software, analytics, and AI to life and is the company behind Astro, the industry-leading unified DataOps platform powered by Apache Airflow®. Astro accelerates building reliable data products that unlock insights, unleash AI value, and powers

Growe welcomes those who are excited to: Design, build, and maintain backend services using .NET (C#); Work on core domain functionality, such as data warehouse; Develop and evolve microservices in a production environment; Support existing functionality and ensure backward compatibility of releases

At Quantcast, we don't just build advertising technology, we revolutionize how it works. Our AI-powered Demand Side Platform (DSP) connects the world's most ambitious marketers with their ideal audiences across the open internet, delivering results that actually move the needle. Since 2006, we've be