3Pillar Global is an AI transformation partner helping enterprises build AI-native products and intelligent agents that define the next era of business. With teams across North America, Europe, Latin America, and Asia, we work with ambitious companies across financial services, healthcare, media, and technology. Our HelixAI platform and Helix Pods delivery model enable engineers to work at the center of enterprise AI transformation, building solutions that are open, portable, scalable, and built to last.

Job Description

Strong React Native – minimum 5 years of experience (Functional Components, Hooks, Advanced State Management, Memorization and Performance Optimizations) - Develop and optimize React Native applications for both iOS and Android in a production environment

Write native iOS (Swift/Objective-C) and Android (Kotlin/Java) modules integrated with React Native

Strong TypeScript – minimum 5 years of experience

Expo – minimum 3+ years of experience working with latest Expo and Expo DevClient (NOT EXPO GO)

Expo SDK experience (including Expo notifications, Expo Camera,



Expo Updates)

Expo EAS experience including (Ci/CD with EAS Workflows and GitHub Actions) – Deep understanding of Expo branches and Expo release channels.

Expertise in state management libraries like Redux (including middleware such as Redux Thunk or Redux Saga) + RTK Toolkit.

Solid understanding of mobile app performance optimization techniques.

Exceptional problem-solving skills with a focus on delivering clean, maintainable code.

Strong communication skills and ability to work collaboratively in a team environment.

English proficiency

Additional Experience Desired

Strong understanding of local databases (e.g., SQLite, Realm) and offline-first mobile app strategies.

Proficiency in working with GraphQL APIs (e.g., Apollo Client or Relay).

What is it like working for 3Pillar Global?

At 3Pillar, We Offer a World Of Opportunity

• Imagine a flexible work setting – whether it's

📌 Full Stack Technical Lead with NodeJS (Kolkata)
🏢 3Pillar
📍 Kolkata