JavaScript Full-Stack Engineer

JavaScript Full-Stack Engineer (Apps Factory)

We are building Apps Factory — a product team that launches and scales mobile subscription apps across multiple verticals such as utilities, health, education, AI tools, and more.

Experience with subscription-based mobile apps is highly important for this role.

We are looking for a JavaScript Full-Stack Engineer to help us build an internal platform that automates creative production, ad campaign execution, landing builders, content management systems, and growth operations.

You will work with Vue, Node.js, and GCP/Firebase to develop internal tools and automation systems used by product, marketing, and growth teams.

Responsibilities

• Build and maintain full-stack applications using JavaScript, Vue/React, and Node.js
• Develop APIs, microservices, and serverless functions on GCP / Firebase
• Build Web-to-App / Web-to-Web landing builders and CMS for mobile and web products
• Implement automation for creative workflows and programmatic campaign operations
• Maintain high code quality, reliability, observability, and CI/CD standards
• Collaborate closely with Data, ML, Product, UA, and Creative teams

Requirements

• Strong proficiency in JavaScript
• Experience with Node.js
• Experience with Vue or React
• Experience with GCP / Firebase (Cloud Functions, Firestore, Cloud Run)
• Experience with SQL / NoSQL databases (Firestore, MongoDB)
• Experience with analytical databases (BigQuery or ClickHouse)
• Deep understanding of APIs, microservices, and event-driven architectures
• Strong ownership mindset and ability to work cross-functionally

Nice to have

• Experience with React Native (mobile development)
• Experience with payment services (Stripe / PayPal)
• Experience working with ad platform APIs (Meta / Google)
• Experience with marketing or payment analytics
• Experience with AppsFlyer, Adapty, or RevenueCat