Engineering Manager - Mobile (React Native) Tech and Product · HQ ·

Engineering Manager – Mobile (React Native)

Vauxhall, London – Hybrid (3 days on-site per week)

We\’re looking for an experienced and passionate Engineering Manager to lead our mobile development efforts. You\’ll be instrumental in building out our in-house React Native team while ensuring seamless continuity with our existing contractors. This role requires a strong technical background in React Native, a deep understanding of the mobile development lifecycle, and a proven ability to lead and mentor engineers.

About Zapp:

Zapp is London’s leading premium convenience retail platform. Founded in 2020, our vision is to disrupt the multi-trillion dollar convenience retail market, currently dominated by major players, by developing best-in-class customer‑centric technology and fulfilment solutions. Zapp partners with some of the world’s leading brands to deliver an exclusive range of hand‑picked products 24/7, delivered in minutes.

We are on an exciting journey! We\’ve just completed a significant overhaul of our mobile application, embracing new technologies in the React Native ecosystem like Tamagui, Expo Router and Maestro. Our brand‑new iOS app launched last year along with a revamped Android experience. This wasn\’t just a simple refactor; we made the strategic decision to completely rewrite our legacy application to best position Zapp for growth in 2026 and beyond.

With a fresh tech stack and a modern application, we\’re now seeking an Engineering Manager who can build upon this momentum. You\’ll play a crucial role in ensuring that the quality of both the customer and developer experience continuously improves with every new feature and enhancement we deliver. This isn\’t just a technical leadership role; you\’ll also become the voice of the app in our weekly and monthly business reviews, and a key advocate for its customers during quarterly planning sessions. This is a unique opportunity to shape the future of Zapp\’s mobile presence and make a significant impact.

Key Responsibilities:

• Maintain strong relationships and continuity with three existing contractors, leveraging their expertise during the transition period.

• Lead the recruitment and onboarding of three new, full‑time React Native engineers, with the goal of establishing a high‑performing in‑house team.

• Provide mentorship, coaching, and performance management to foster the professional growth of team members.

• Conduct regular 1:1s, performance reviews, and career development discussions.

• Drive the technical vision and roadmap for our app, ensuring alignment with overall product goals.

• Oversee the architecture, design, and implementation of new features and improvements.

• Define and adopt best practices in code quality, testing, and application performance.

• Design, implement, and optimize robust processes across the SDLC, from development and testing to release and monitoring

• Implement effective monitoring and alerting systems to proactively identify and address production issues.

• Work closely with product managers, designers, and other stakeholders to translate product requirements into technical specifications.

• Communicate technical concepts and decisions clearly to both technical and non‑technical audiences.

• Act as a key liaison between the development team and other departments.

Requirements:

• Proven experience (3+ years) in a leadership role, such as Engineering Manager or Tech Lead with a focus on mobile application development.

• Excellent communication, interpersonal, and leadership skills.

• Deep expertise in React Native development.

• Hands‑on experience with Expo for building and deploying React Native applications.

• Proficiency with state management libraries, specifically Zustand.

• Experience with data fetching and caching libraries, particularly React Query.

• Familiarity with error tracking and monitoring tools like Sentry.

• Solid understanding of mobile application architecture patterns and best practices.

• Strong understanding of testing principles and experience implementing various testing strategies.

• Bachelor\’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

If you\’re a hands‑on leader who thrives on building high‑performing teams and delivering exceptional mobile experiences, we encourage you to apply!