Shiv Shankar Tiwari

Senior Software Engineer with 6+ years of experience building scalable, high-performance mobile and web platforms. I design and deliver distributed systems, make architecture-level decisions, and lead engineering teams to improve reliability, reduce operational risk, and accelerate delivery velocity at scale.

Experience

Deputy Manager — Mobile & Front-End Engineering

Validus Fintech Services Pvt LtdHyderabad, 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, USARemote
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, IndiaBangalore, India
Aug 2021 – May 2019
  • 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.
Education & Certs
B.Tech — Computer Science & Engineering
Rajkiya Engineering College Sonbhadra • 2015 – 2019