Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi, I'm Amit Singh, a Senior Frontend Engineer with 7+ years building scalable web and mobile applications for FinTech and SaaS domains. I love delivering high-impact, accessible code and smooth user experiences. I specialize in React 18, React Native, and micro-frontend architecture; I lead cross-functional teams, optimize performance, and mentor junior engineers. I'm a hands-on, adaptable engineer who thrives in Agile/Scrum environments and enjoys turning complex requirements into reliable, delightful interfaces.…Hi, I'm Amit Singh, a Senior Frontend Engineer with 7+ years building scalable web and mobile applications for FinTech and SaaS domains. I love delivering high-impact, accessible code and smooth user experiences. I specialize in React 18, React Native, and micro-frontend architecture; I lead cross-functional teams, optimize performance, and mentor junior engineers. I'm a hands-on, adaptable engineer who thrives in Agile/Scrum environments and enjoys turning complex requirements into reliable, delightful interfaces.

Amit Singh

Front-End Developer, Web Developer, Full Stack Developer, +3





Hi, I'm Amit Singh, a Senior Frontend Engineer with 7+ years building scalable web and mobile applications for FinTech and SaaS domains. I love delivering high-impact, accessible code and smooth user experiences. I specialize in React 18, React Native, and micro-frontend architecture; I lead cross-functional teams, optimize performance, and mentor junior engineers. I'm a hands-on, adaptable engineer who thrives in Agile/Scrum environments and enjoys turning complex requirements into reliable, delightful interfaces.…Hi, I'm Amit Singh, a Senior Frontend Engineer with 7+ years building scalable web and mobile applications for FinTech and SaaS domains. I love delivering high-impact, accessible code and smooth user experiences. I specialize in React 18, React Native, and micro-frontend architecture; I lead cross-functional teams, optimize performance, and mentor junior engineers. I'm a hands-on, adaptable engineer who thrives in Agile/Scrum environments and enjoys turning complex requirements into reliable, delightful interfaces.

Available to hire

Hi, I’m Amit Singh, a Senior Frontend Engineer with 7+ years building scalable web and mobile applications for FinTech and SaaS domains. I love delivering high-impact, accessible code and smooth user experiences.

I specialize in React 18, React Native, and micro-frontend architecture; I lead cross-functional teams, optimize performance, and mentor junior engineers. I’m a hands-on, adaptable engineer who thrives in Agile/Scrum environments and enjoys turning complex requirements into reliable, delightful interfaces.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Advanced

Work Experience

Senior Frontend Engineer at Aereem Solutions Pvt Ltd

June 1, 2023 - February 1, 2026

Led UI architecture and mobile engineering for the Aereem One FinTech platform using React Native and ReactJS across web and mobile. Designed and implemented a Unified Design Language System (DLS) across platforms, ensuring 100% visual consistency and faster feature rollout. Engineered an offline-first architecture using React Query, local storage, and background sync for seamless UX in low-/no-network environments. Optimized rendering performance via code splitting, lazy loading, and state management, achieving ~40% improvement in critical loan application and onboarding journeys. Designed and published @aerem/analytics, an analytics-focused cross-platform NPM package with offline persistence, batching, and strict TypeScript contracts. Implemented deep linking, complex navigation, and push notifications (FCM) to improve engagement and retention. Integrated Firestore and Google Analytics for granular user insight and data-driven decisions. Added AI-powered features including LLM-based

Software Engineer at Codemonk

February 1, 2021 - May 1, 2023

Led development of core HR modules for the GREYT HR app (1M+ users) — Payslips, Help Desk, Document Center — achieving ~85% unit test coverage across all modules. Implemented robust frontend architecture with React and TypeScript, delivering scalable, maintainable code and a cohesive user experience across features.

Independent Consultant / Full Stack Developer at Remote

June 1, 2019 - January 1, 2021

Developed and deployed custom web applications for SMB clients using React and Node.js ecosystems. Up-skilled in advanced data structures & algorithms and system design patterns to deliver robust, scalable solutions. Worked across multiple client projects, focusing on performance, security, and maintainability.

Software Developer at JusPay Technologies

January 1, 2019 - May 1, 2019

Contributed to the Express Checkout system with secure, frictionless mobile payments. Built security-critical modules including OTP auto-read and secure keyboards to enhance transaction safety and reduce fraud risk.

Android Developer at Troika Software Pvt Ltd

October 1, 2017 - December 1, 2018

Built B2B and B2C Android applications with REST API integration, push notifications, and offline synchronization to ensure reliable performance in varying network conditions.

Full Stack Developer at Independent Consultant / Freelancer

June 1, 2019 - January 1, 2021

Developed and deployed custom web applications for SMB clients using React and Node.js ecosystems. Upskilled in advanced Data Structures & Algorithms (DSA) and System Design patterns.