Fullstack Engineer

Part-time Mobile Growth Engineer (React Native / TypeScript)

• Location: Remote (EU-friendly time zones)

• Engagement: Part-time / B2B

• Industry: Travel & Leisure / Consumer Mobile App

Role Overview

We are looking for an experienced React Native Growth Engineer to join a product-focused team working on a fast-growing consumer mobile application in the travel and leisure sector.

This role combines hands-on mobile engineering with a strong growth and experimentation mindset. You will work close to the product, owning features end-to-end and actively contributing to initiatives focused on user activation, retention, and engagement.

About the Project

The project is a consumer-facing mobile application operating in the travel and entertainment space, designed for a broad, international user base. The product emphasizes discovery, engagement, and repeat usage, with a strong focus on experimentation and data-driven product decisions.

The team operates in a lean, startup-style environment, prioritizing fast iteration, measurable impact, and close collaboration between engineering, product, and design.

Responsibilities

• Build and iterate on mobile features using React Native and TypeScript

• Own implementation of growth experiments (A/B tests, UX iterations, feature rollouts)

• Collaborate closely with product and design on hypothesis-driven development

• Analyze product and user data to inform technical and product decisions

• Ensure high performance, stability, and quality of the mobile app in production

• Take part in release cycles for iOS and Android (builds, CI/CD, store releases)

• Proactively identify areas for improvement in user experience and conversion flows

• (Optional) Support analytics, tracking, or lightweight backend integrations

Requirements

• 3+ years of commercial experience building production mobile applications

• Strong hands-on experience with React Native and TypeScript

• Proven experience working on consumer-facing or product-led applications

• Solid understanding of mobile performance, app lifecycle, and debugging

• Experience collaborating closely with product managers and designers

• Ability to independently own features from idea to production

• Strong product intuition and interest in growth, experimentation, and metrics

• Very good command of English (written and spoken)

Nice to have

• Experience with A/B testing, feature flagging, or experimentation tools

• Familiarity with mobile analytics platforms (e.g. Firebase, Amplitude, similar)

• Experience working in startups or small, fast-moving product teams

• Basic backend or API integration experience

What’s Offered

• Part-time engagement with flexible working hours

• Fully remote collaboration with an international, product-oriented team

• Monthly budget: $1,500 – $2,000 USD, depending on experience and availability

• High ownership and real influence on product and growth outcomes

• Long-term cooperation potential