Senior Full-Stack Engineer (Hybrid – Shoreditch, London) Join our AI-powered sustainability company and help shape the future of our cutting-edge platform. We’re looking for a motivated technologist eager to learn, problem-solve, and collaborate in a fast-growing team. About the Role You’ll be part of a small, high-impact team developing new features for our AWS-hosted, service-based platform with a React frontend. This hybrid role requires at least two days a week in our Shoreditch office. How to Apply Please send your CV to recruitment@rio.ai alongside a summary of your experience in the industry. Responsibilities Design and develop scalable, high-performance features. Collaborate across teams to refine and implement product requirements. Advocate Agile best practices and drive continuous improvement. Optimize SQL queries and work with cloud services (AWS). Mentor junior developers and uphold coding standards. Ensure high code quality through testing, debugging, and code reviews. Essential Skills & Experience 5 years of experience with Node.js, React, JavaScript/TypeScript . Strong SQL skills, including performance optimization. Experience in Agile development, scalable APIs, and cloud-based architectures . Solid understanding of AWS services and DevOps principles. Passion for writing clean, maintainable code and improving team practices. Nice-to-Have Skills Snowflake / Data Warehousing DevOps & CI/CD experience GraphQL Benefits Competitive salary Pension & private medical (after probation) Employee discounts and more Ready to make an impact? Apply now! Please note due to the high volume of applicants we are unable to provide individual feedback.