Available to hire
I’m Sachin Saini, a React Native Engineer with 6+ years of experience building production-grade cross-platform mobile apps for enterprise clients across Banking, Healthcare, Real Time mobility, Smart TV, Retail, and IoT. I have delivered apps serving 1M+ users and have deep expertise in TypeScript, Redux Toolkit, React Query, Expo, and OTA updates.
I bring a strong background in secure mobile architecture, WCAG 2.1/EN 301 549 accessibility, CI/CD pipelines, and App Store/Google Play releases. I am available immediately for remote, hybrid, or on-site freelance engagements across Europe.
Skills
Language
English
Fluent
Hindi
Advanced
Work Experience
Senior Frontend Consultant at GlobalLogic India
March 1, 2024 - PresentDesigned and built a VS Code extension for real-time HTTP/HTTPS network traffic monitoring with a split-view React UI; integrated SSL proxying, WebSocket monitoring, and network breakpoints, reducing debugging time by 30%. Built reusable React components and session management features; contributed to frontend design system consistency using Storybook. Owned end-to-end UI/UX design and frontend engineering for a Smart TV core settings app serving millions of users globally. Designed and implemented a three-panel navigation layout in Figma through to production, improving navigation speed by 40%. Implemented Voice View and screen reader accessibility features applying WCAG best practices for visually impaired users. Built a reusable component library covering WiFi setup, Bluetooth pairing, sound settings, and storage management. Optimized frontend performance: reduced app launch time from 3.5s to 2s and maintained UI transitions under 100ms. Implemented multi-language support for 45+ lo
Technical Analyst (Frontend Engineer) at Coforge Ltd India
March 1, 2022 - February 1, 2024Delivered features for the UK's largest retail app, enabling essential postal, financial, and insurance services to communities nationwide. Built adaptable, reusable UI components in React Native and React with TypeScript, following component-driven architecture and Storybook-driven design system practices within a monorepo setup. Implemented Redux across mobile and web surfaces for consistent, predictable data flow. Integrated AWS services including DynamoDB, Lambda, and WAF to support scalable backend workflows and API security. Maintained 80% unit test coverage using Jest and React Testing Library; owned bug fixes across UAT, Beta, and production environments. Led a team of 8 engineers; participated in full Agile ceremonies including PI planning, sprint planning, grooming, and Scrum calls. Managed CI/CD pipelines across multiple project teams.
Frontend Developer at Nagarro Software Pvt. Ltd
November 1, 2019 - June 1, 2020Built a React Native health care application for real-time hospital asset and patient tracking with UI designed in Figma; integrated RFID and barcode scanning; streamlined inventory workflows improving tracking accuracy and operational efficiency.
Frontend Engineer at R Sy Systems International Pvt. Ltd
November 1, 2018 - November 1, 2019Developed a React Native retail POS application; designed UI flows and integrated hardware peripherals including printers and scanners; optimized transaction processing for high checkout efficiency in retail and restaurant environments.
Application Developer at Sak Soft Pvt. Ltd
March 1, 2016 - July 1, 2018Built an IoT-based application for real-time vehicle tracking and driver behavior analysis with geofencing and live alerts.
Software Engineer (.NET) at UnifyCloud Pvt. Ltd
January 1, 2014 - March 1, 2016Designed and developed a document and certificate management application for seafarer career management.
React Native Engineer at Self-Employed (Freelance)
January 1, 2020 - PresentBuilt and maintained a secure digital banking app serving 1M+ users with React Native, TypeScript, biometric authentication, SSL pinning, and Keychain/Keystore integration. Implemented full card lifecycle (activation, PIN generation/change, blocking/unblocking) and KYC onboarding with fraud prevention logic. Improved transaction screen performance by 22% through API optimization and UI rendering improvements. Led system-level features for a Smart TV platform serving millions, reducing app launch time from 3.5s to 2s with sub-100ms UI transitions. Implemented WCAG 2.1 and EN 301 549 accessibility (VoiceOver, TalkBack, ARIA) and delivered 45+ locales with RTL support. Managed CI/CD via Fastlane and handling App Store/Google Play release lifecycles. Built real-time asset/patient tracking in healthcare and retail POS workflows with hardware peripheral integration.
Education
Master of Computer Applications (MCA) at JSS Academy of Technical Education, India
January 1, 2011 - January 1, 2014Bachelor of Computer Applications (BCA) at SD College of Management Studies, India
January 1, 2008 - January 1, 2011MCA at JSS Academy of Technical Education, India
January 1, 2011 - January 1, 2014BCA at SD College of Management Studies, India
January 1, 2008 - January 1, 2011Qualifications
Industry Experience
Financial Services, Healthcare, Media & Entertainment, Retail, Other, Software & Internet, Transportation & Logistics
Skills
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