Senior Full-Stack Engineer

Purpose The Senior Full Stack Engineer is responsible for the technical direction and implementation of all of Abel & Cole's customer-facing technologies. The role comprises hands-on software development as well as technical leadership and contribution to systems architecture. The Senior Full Stack Engineer plays a key role in shaping and implementing best practice to ensure a smooth Software Development Lifecycle across a broad range of products. It's an excellent role for an engineer who wants to grow their range across web and mobile and all the technologies that support them. Our Tech Stack • Web: Next.js, TypeScript, Zustand, SCSS, React Testing Library, Storybook • Mobile: React Native, TypeScript, React Navigation, React Hook Form, Reanimated, Firebase, Braintree • Backend: .NET API (OpenAPI/Swagger) • Testing & CI/CD: Jest, React Testing Library, Azure DevOps, CodePush • Environment/Platform: Azure Cloud, templated infrastructure Key Responsibilities • Development and maintenance of several customer-facing products, including websites and mobile apps written with Next.js and React Native. • Integration of our REST APIs using typed, code-generated (OpenAPI/Swagger) clients. • Contribute to our APIs — extending, updating, and maintaining the backend endpoints that power both platforms (.NET). • Own features end-to-end — from technical design through delivery, release, and monitoring. • Provide technical leadership and hands-on guidance to the engineering team, setting coding standards, architectural direction, and best practices across the codebase. • Identify and address technical debt, performance bottlenecks, and reliability issues in existing systems. • Champion best practices across development, DevOps, and security. • Help maintain and improve app store releases and multi-environment builds. • Collaborate with cross-functional stakeholders to prioritise the roadmap, balancing new feature delivery against consistency of service. • Mentor mid- and junior-level engineers through code review, pairing, and technical guidance. • Collaborate closely with Product, Design, and QA in an agile team. • Evaluate and recommend new tools or frameworks that could improve team velocity or system capability. Monitor developments of the frameworks in use. Key Skills & Competencies • Significant commercial experience as a full-stack engineer, with strong TypeScript. • Proven experience with React and React Native, including shipping apps to the App Store and Google Play. • Experience building web applications with Next.js (or strong React web experience). • Solid understanding of consuming REST APIs (experience with a .NET backend a plus). • Experience with state management using React Context and hooks. • Strong automated testing habits — Jest, React Testing Library. • Confident with Git and CI/CD pipelines (Azure DevOps ideal). • Excellent communication skills and a collaborative mindset to…