Mobile Engineer

About Triplespeed We incubate viral consumer brands for the US and EU markets and scale them until they become independent companies. In the last 14 months, we took three apps, across three unrelated verticals, from zero to over $70M in combined annual run rate. We did this bootstrapped, with no outside capital. We’re one of the fastest-growing bootstrapped companies in the world.

What you’ll do

• Own mobile app development end-to-end, from architecture and implementation to launch and scaling.
• Build polished, high-performance mobile applications using Flutter or React Native.
• Work closely with product and design to build pixel-perfect, responsive user experiences.
• Rapidly prototype and ship new features, experiments, and product iterations.
• Run A/B tests and use product data to improve retention, engagement, and LTV.
• Integrate backend APIs, third-party SDKs, analytics, subscriptions, and payment systems.
• Optimize app performance across startup time, FPS, memory usage, build size, and overall stability.
• Work with Firebase, REST APIs, push notifications, local storage, and offline-first systems.
• Implement clean, scalable architecture and maintain high code quality.
• Debug production issues and continuously improve app reliability.
• Use Claude Code, Cursor, and other AI tools to accelerate development.
• Work closely with product, design, growth, and engineering teams to ship quickly.

Who we’re looking for

• 1–6 years of professional experience building mobile applications with Flutter or React Native.
• Experience shipping at least one consumer-facing mobile app end-to-end.
• Strong experience with Flutter/Dart or React Native/TypeScript/JavaScript.
• Strong understanding of mobile architecture and scalable codebases.
• Experience with modern state management such as Bloc, Riverpod, Provider, Redux, Zustand, or MobX.
• Strong understanding of mobile performance optimization.
• Experience integrating REST APIs, Firebase, third-party SDKs, analytics, subscriptions, or payments.
• Strong understanding of OOP, asynchronous programming, and clean code principles.
• Experience with Git and collaborative engineering workflows.
• Comfortable owning features from development through production.
• Strong problem-solving skills and attention to detail.
• Comfortable working 5 days a week from our Bangalore office.

Useful but not required

• Experience building high-scale consumer apps with strong retention.
• Experience with growth loops, engagement funnels, and mobile analytics.
• Experience with Amplitude, Mixpanel, AppsFlyer, or Firebase Analytics.
• Experience with A/B testing and experiment-driven product development.
• Experience with offline-first architecture and local databases.
• Experience with subscriptions, payment flows, or fintech products.
• Experience with AWS or other cloud infrastructure.
• Experience using Claude Code, Cursor, MCP tools, or other AI-assisted development workflows.

What you get

• ₹12–16 LPA compensation , with strong performance and growth opportunities.
• Build consumer apps from 0 → 1 with significant ownership.
• Work across product, growth, analytics, backend integrations, and mobile infrastructure.
• Direct collaboration with founders and product teams.
• Small, senior team with fast decision-making.
• Opportunity to work on high-growth consumer products reaching global markets.
• Performance-driven environment where strong execution is rewarded.
• Opportunity to grow into larger ownership as Triplespeed expands its mobile engineering function.