Shiv Shankar Tiwari
Senior Software Engineer · Mobile & Web Systems
Senior Software Engineer with 6+ years of experience building high-scale, performance-critical mobile and web systems. Focused on architecture ownership, performance optimization, and production-grade delivery.
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
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
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.