Lead Full-Stack Engineer

Leighton is an experienced consultancy that develops and delivers custom software for major brands. They are seeking a highly experienced Lead Full-Stack Engineer to design and build scalable backend services and contribute to mobile application development, while collaborating across various teams to deliver high-performance solutions.

Responsibilities:

• Designing, developing, and maintaining scalable backend services using NestJS, Node.js, and TypeScript
• Taking ownership of technical design, architecture decisions, and implementation of new features
• Building and integrating mobile application functionality using React Native and Expo
• Implementing secure authentication and authorisation solutions using Auth0
• Creating and maintaining CI/CD pipelines to support efficient and reliable deployments
• Designing and optimising PostgreSQL database schemas and queries
• Leveraging Redis for caching, session management, and performance improvements
• Containerising applications with Docker and managing deployments within AWS ECS
• Collaborating with engineers, architects, and platform teams to ensure alignment across systems and services
• Promoting engineering best practices including automated testing, code quality, and scalable system design

Requirements:

• Extensive experience as a Senior or Lead Engineer delivering complex, production-grade applications
• Expert knowledge of Node.js, TypeScript, and NestJS
• Strong experience designing and optimising solutions with PostgreSQL and Redis
• Proven track record of deploying and managing containerised applications using Docker and AWS ECS
• Solid understanding of software architecture, design patterns, and distributed systems
• Experience delivering full-stack solutions, including hands-on work with React Native and Expo
• Strong knowledge of authentication and identity management, ideally with Auth0
• Passion for automated testing, including unit, integration, and end-to-end testing
• Excellent communication skills, with the ability to influence technical decisions and collaborate across multiple teams
• An open and genuine communicator
• Able to take responsibility for your actions
• Always learning and wanting to improve
• Takes responsibility for own development
• Love what you do
• Value and support your team
• Embrace who you are
• Open minded and willing to explore new ideas