Backend Software Developer

A Senior Backend Developer (Ruby on Rails) is responsible for designing, developing, and testing server-side logic for web applications using Ruby and the Ruby on Rails framework. They build and maintain efficient, reusable, and reliable Ruby code, optimize the system for speed and scalability, and ensure high performance and availability of the...

We're building the go-to app for real football fans - a central home where trusted and passionate supporters can share their voices, insights, and emotions with clarity, cutting through punditry and the noise of fragmented social mediaFounded by Michael McIntyre and Gary Neville, we're already partnering with Sky Sports to amplify the perspectives of those...

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 more. The Role Backend Software Engineers at Palantir build...

About Green Project: At Green Project Tech, we're building the intelligence layer behind sustainable supply chains. Our UK team leads on Engage50 (supplier engagement for enterprises) and Product50 (efficient PCF / carbon footprint calculation at scale). These tools feed into Account50 and Act50, powering a full-stack sustainability platform used by...

About The RoleStrikeWeb is Delian's real-time command and control platform for autonomous systems, delivering operational insight and coordination across a fleet of robotics agents in critical national security and defense applications. As aSenior Backend Engineer, you'll design and build the robust and scalable infrastructure that enables high-throughput...

Job Title:PHP Laravel Developer (with Data Architecture experience)Location:London (remote also considered)Job Type:Contract (3 months)Department:FinanceReports To:Lead DeveloperAbout The RoleWe're looking for aPHP Laravel Developer,ideally with someDataLakehouse/Business Intelligenceexperience, to help build and optimize the data infrastructure behind...

Rive is a new way to build production-ready UI and graphics - with rich interactivity and state-driven animation. We're on a mission to make hard-coded graphics a thing of the past with a new general-purpose graphics format for all types of software and Ul. Rive empowers teams to iterate faster and build better products.We've seen tremendous organic growth...

At DraftKings, AI is becoming an integral part of both our present and future, powering how work gets done today, guiding smarter decisions, and sparking bold ideas. It's transforming how we enhance customer experiences, streamline operations, and unlock new possibilities. Our teams are energized by innovation and readily embrace emerging technology. We're...

Senior Backend Software Engineer - London (Hybrid) | Equity + Competitive SalaryJoin a fast-growing AI startup transforming a trillion-pound industry through intelligent automation.We're building the next generation of workflow technology - streamlining complex, manual processes and empowering professionals to focus on the work that truly matters.If you love...

About Lavanda Lavanda is an award-winning UK proptech scale-up and leader in flexible living technology solutions for the world's largest institutional real estate enterprises. Our clients include names like CA Ventures, JLL, Scape, iQ, Greystar, Europa Capital, Aberdeen Standard Investments and many others. Lavanda is SaaS technology platform first and...