Trịnh Vinhh

Performance-driven Frontend Developer with 4+ years of experience specializing in ReactJS, TypeScript, and modern state management (Redux Toolkit, Jotai). Proven track record of architecting scalable UI systems using Atomic Design and Storybook for major enterprise clients like LG CNS, as well as delivering end-to-end healthcare web solutions.

Awarded Best

Performance by overseas clients for exceptional code quality, cross-functional collaboration, and technical execution.

Frontend Developer at Sotatek (2025-07 – Present)

Smart Diagnostic Imaging System at Sotatek (2026-01 – Present)

A specialized clinical web platform that enables doctors to view, annotate, and analyze high-resolution medical imaging in real time, accelerating diagnostic workflows and decision-making.

• Team size: 20 (1 PM, 2 Tech Lead, 5 Frontend Engineers, 6 Backend Engineers, 4 QA, 2 BA).
• Tech stack: ReactJS, TypeScript, WebGL, Cornerstone3D, VTK.js, Zustand, TanStack Query, Docker, Nginx, CI/CD.
• Architecture & Development: Initialized the modular frontend project structure; integrated Canvas API/WebGL rendering engines to render multi-frame DICOM imaging smoothly at 60 FPS without UI jank.
• Performance & Stability: Optimized client-side memory footprint and garbage collection, eliminating memory leaks when manipulating 100MB+ medical image series; boosted initial page load speed by 40% (LCP under 1.5s).
• Feature Implementation: Developed interactive annotation and clinical measurement toolsets (pan, zoom, contrast windowing, polygon contouring) with sub-second latency.
• Product Discovery & Deployment: Collaborated directly with clinical specialists to translate healthcare workflows into software features; led on-site hospital deployment and conducted hands-on user training.
• DevOps & Infrastructure: Configured lightweight Dockerized frontend bundles and Nginx reverse proxies tailored for offline on-premise hospital environments; assisted in setting up automated CI/CD release pipelines.

Stack Trading (Proprietary Trading & Web3 Capital Platform) at Sotatek (2025-07 – 2026-01)

A modern proprietary trading (Prop Firm) web platform that provides funded trading programs (Forex, Futures, Crypto) and on-chain payout transparency. The system features real-time performance analytics dashboards, automated payout tracking via blockchain ledger, and multi-tier trader career tracks.

• Team size: 36 (1 PM, 2 Tech Lead, 8 Frontend Engineers, 10 Backend Engineers, 12 QA, 3 BA).
• Tech stack: Next.js (App Router), TypeScript, Framer Motion, Tailwind CSS, Storybook, Sanity CMS, Web3 / Blockchain APIs, TanStack Query.
• Pixel-Perfect UI & Motion Design: Built responsive, high-fidelity landing pages and trader dashboards from Figma prototypes; authored custom micro-interactions and smooth scroll-driven animations using Framer Motion, maintaining consistent 60 FPS transitions.
• Design System & Component Isolation: Architected modular, reusable UI components within Storybook, establishing a cohesive design tokens system with Tailwind CSS to accelerate UI development and streamline client review workflows.
• Headless CMS Integration: Integrated Sanity CMS to dynamically manage marketing copy, media assets, trading rules, and educational insights, enabling the content team to publish updates with zero code deployments.
• Web3 & Ledger Transparency: Integrated Web3 APIs to query and render real-time verifiable payout milestones and equity bonuses linked directly with public blockchain explorers (Polygonscan).
• Performance & Asset Delivery: Optimized Next.js rendering strategies (SSR/ISR) and media delivery (lazy-loading video fallbacks, WebP assets, and custom mask overlays), reducing page load time and improving Core Web Vitals (LCP/CLS).

Frontend Developer at FPT Software (2022-01 – 2025-08)

LKM Project (AI/Chatbot Platform — Korean Enterprise Client) at FPT Software (2024-08 – 2025-07)

An AI-driven interactive chatbot and knowledge-management web platform supporting enterprise-grade search, document parsing, and streaming conversational intelligence.

• Team size: 8 (1 PM, 1 Frontend Leader, 6 Frontend Developers)
• Tech stack: ReactJS, TypeScript, Material UI, Jotai, TanStack Query, Axios, WebSocket.
• Developed core user interfaces and responsive user flows aligned with Figma design specifications.
• Optimized client-side caching strategies using TanStack Query and Jotai, cutting redundant API requests by 35%.
• Handled state management for real-time streaming AI token responses, ensuring smooth UI rendering and zero input lag.
• Partnered directly with Korean client stakeholders in Agile sprints to review technical milestones and ensure delivery quality.

CSMS 2.0 & LGES WAP (Enterprise Systems for LG CNS) at FPT Software (2024-02 – 2024-08)

Large-scale enterprise web management platforms delivering workflow automation, system monitoring, and operational dashboard tools for LG CNS.

• Team size: 10+ (Cross-functional team including Korean client counterparts, BAs, Frontend/Backend Engineers, and QA).
• Tech stack: ReactJS, TypeScript, Redux Toolkit, Redux Saga, Storybook, Atomic Design, Material UI.
• Spearheaded the shared UI design system and reusable component architecture following Atomic Design principles and Storybook, unifying UI consistency across multiple delivery teams.
• Conducted technical code reviews, enforced frontend best practices, and authored unit tests to maintain platform stability and high test coverage.
• Mentored a group of 5 junior and fresher engineers in state management patterns, theming, and component workflows.
• Awarded the "Best Performance Award" nominated directly by LG CNS for exceptional code quality, fast turnaround times, and reliable on-time delivery.

Bachelor in Information Assurance – FPT University (2017-09 – 2021-12)