HS
Hema Sai Kalathur
Contact details — on requestProof of Work — on request
Experience
O
React Native Developer
OpsTree Global · Feb 2025 – Present
- Designed a complex Buy Now Pay Later payment system and billing overhaul using modular components, streamlining a 3-step payment journey and reducing checkout drop-offs.
- Engineered generic star components and integrated Native In-App Store Review modules to redesign the user feedback system, contributing to a 4.6 Play Store rating.
- Led the 16KB Page Support migration to optimize performance for low-end devices and implemented Nested Grammage Variants via Event Emitters for real-time synchronization.
- Integrated CleverTap, MS Clarity, and GrowthBook for session replay and A/B testing; orchestrated a prioritized login flow using Truecaller SDK and Google OAuth.
- Optimized Product Listing Pages (PLPs) with bottom-sheet filters, sidebar navigation, and Deep Link Handlers for region-specific cataloging.
- Designed a dynamic FAB Cart with custom animations for auto-hiding navigation, increasing usable screen real estate by 15%.
T
React Native Developer
TechEnhance Pvt. Ltd · Jul 2024 – Nov 2024
- Created a standalone SDK to embed the banking application as a package in 3 partner applications, saving significant integration effort and enabling secure data auto-population.
- Built journey-resumption logic to route users back to abandoned account creation screens, successfully reducing user drop-off rates.
- Developed reusable components to maintain design consistency, reducing new feature build time by approximately 30%.
- Implemented live database validations for mobile numbers and email addresses to enhance onboarding security.
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React Native Developer
Lobb Engineering · Feb 2024 – Mar 2024
- Delivered UI components adhering to Atomic Design principles, accelerating feature development velocity for the product team.
React Native Developer
Tudo Technologies Pvt Ltd · Sep 2022 – Jan 2024
- Led end-to-end mobile app development in a cross-functional team, reducing production bugs by 40% through advanced debugging and enforced code quality standards.
- Implemented real-time data synchronization with Firebase Firestore and Google OAuth, serving over 50K active users.
- Enhanced user experience via structured nested React Navigation flows, contributing to improvement in session retention.
- Patched plugins and upgraded the React Native version to meet Play Store privacy requirements, maintaining zero-crash production stability.
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React Native & React JS Developer
Uvaan Infotech Pvt Ltd · Jul 2021 – Sep 2022
- Improved test coverage by 30% through rigorous Test-Driven Development (TDD) using Jest for unit and integration testing across core modules.
- Applied Redux and Redux-Saga for efficient data synchronization and advanced search/filter capabilities in an E-commerce application.
- Built user-friendly ReactJS interfaces for a financial web application to streamline invoice tracking, file uploads, and VAT/shipping variance calculations.
Skills 0 proven through work
Also works with
Problem SolvingAndroid Architecture DesignSDLC Process ApplicationTeamworkStrategic PlanningMobile Application DevelopmentNative Module DevelopmentApp Store Connect UsageAndroid App PublishingApplication DeploymentMobile Application OptimizationCross-Platform DevelopmentThird-Party Library IntegrationApplication Performance OptimizationProcess ImprovementCustomer Eligibility AssessmentPayment Gateway IntegrationTransaction Processing SystemsReact Native Development
Proof of Work
Proof of Work
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Education
B.Tech, Mechanical Engineering
PBR VITS, Nellore, Andhra Pradesh · 2016 — 2020
Contact details
Contact details
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