Shiv Shankar Tiwari

Staff Mobile App Engineer
Staff Mobile App Engineer with 7+ years of experience building high-scale, performance-critical mobile and web systems. Focused on architecture ownership, performance optimization, and production-grade delivery.
pythonsst@gmail.com•+91 7007746087•Hyderabad, India•LinkedIn•GitHub

Professional Summary

I lead engineering organizations through product-focused, pragmatic execution. I specialize in mobile-first consumer products, backend architecture, and developer platforms. My priorities are performance, security, and developer productivity — delivered with measurable business outcomes.

Experience

Staff Mobile Engineer

CuePilot AI
Kolkata, India
Feb 2026 – Present
  • Building the mobile experience for a voice-first, AI-powered preschool management platform that automates attendance, reports, billing, and parent communication so educators can focus on teaching.
  • Designed a scalable, modular mobile architecture for maintainability and rapid, multi-team feature delivery.
  • Implemented EAS Over-the-Air (OTA) updates, shipping releases instantly without app store review cycles.
  • Built an offline-first architecture with local storage and sync for reliable use without internet connectivity.
  • Integrated WebSocket-based real-time communication for live data updates and interactive features.
  • Improved app performance, stability, and code quality through optimized components and better state management.

Senior Software Engineer

Validus Fintech Services Pvt Ltd
Hyderabad, India
Jul 2024 – Oct 2025
  • Architected a white-label investment platform managing over 500 crore INR AUM across web and mobile.
  • Designed reusable component libraries and modular front-end systems enabling multi-team scalability.
  • Improved application startup time by 35 percent through bundle optimization and performance tuning.
  • Implemented real-time investor dashboards and feature modules supporting high traffic and scale.
  • Automated CI/CD pipelines using GitHub Actions and Fastlane, reducing release cycles by 40 percent.
  • Led mobile and front-end engineering, driving code quality, architecture decisions, and performance improvements.

Senior React Native / Front-End Engineer

Bitcoin Depot — Atlanta, USA
Remote
Aug 2022 – Jun 2024
  • Migrated legacy React Native codebase to Hooks and TypeScript, improving stability and maintainability.
  • Integrated crypto payment processing with Simplex, contributing to 100 percent revenue growth.
  • Built secure wallet transaction workflows and authentication layers using Web3 APIs.
  • Optimized Google Maps rendering, reducing memory usage by 28 percent and improving UI responsiveness.
  • Lowered crash rates by 40 percent through automated testing, profiling, and quality improvements.

Full Stack Engineer

Affinidi — Bangalore, India
Bangalore, India
Aug 2019 – May 2022
  • Developed decentralized identity applications using React Native with DID-based authentication.
  • Improved client runtime performance by 25 percent through Hermes tuning and resource optimization.
  • Built GraphQL APIs and backend services, improving response times by 50 percent and reducing errors.
  • Collaborated with blockchain engineering teams to deliver secure credential verification workflows.