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Hi, I’m Albert Em, a Senior Frontend Engineer focused on building scalable, high-performance web applications. I specialize in React, TypeScript, and Next.js, delivering clean interfaces for 10,000+ users and driving performance optimization across the stack. I’ve shipped real-time features, explored Web3 and AI-powered interfaces, and collaborated with international teams to deliver robust products. I'm excited to continue building delightful user experiences with modern web technologies while contributing to global engineering efforts.…Hi, I’m Albert Em, a Senior Frontend Engineer focused on building scalable, high-performance web applications. I specialize in React, TypeScript, and Next.js, delivering clean interfaces for 10,000+ users and driving performance optimization across the stack. I’ve shipped real-time features, explored Web3 and AI-powered interfaces, and collaborated with international teams to deliver robust products. I'm excited to continue building delightful user experiences with modern web technologies while contributing to global engineering efforts.

Albert Em

Front-End Developer, Full Stack Developer, Web Developer, +2

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Hi, I’m Albert Em, a Senior Frontend Engineer focused on building scalable, high-performance web applications. I specialize in React, TypeScript, and Next.js, delivering clean interfaces for 10,000+ users and driving performance optimization across the stack. I’ve shipped real-time features, explored Web3 and AI-powered interfaces, and collaborated with international teams to deliver robust products. I'm excited to continue building delightful user experiences with modern web technologies while contributing to global engineering efforts.…Hi, I’m Albert Em, a Senior Frontend Engineer focused on building scalable, high-performance web applications. I specialize in React, TypeScript, and Next.js, delivering clean interfaces for 10,000+ users and driving performance optimization across the stack. I’ve shipped real-time features, explored Web3 and AI-powered interfaces, and collaborated with international teams to deliver robust products. I'm excited to continue building delightful user experiences with modern web technologies while contributing to global engineering efforts.

Available to hire

Hi, I’m Albert Em, a Senior Frontend Engineer focused on building scalable, high-performance web applications. I specialize in React, TypeScript, and Next.js, delivering clean interfaces for 10,000+ users and driving performance optimization across the stack.

I’ve shipped real-time features, explored Web3 and AI-powered interfaces, and collaborated with international teams to deliver robust products. I’m excited to continue building delightful user experiences with modern web technologies while contributing to global engineering efforts.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Russian

Fluent

Ukrainian

Fluent

Polish

Advanced

Work Experience

Full Stack Developer (Advisory) at Datai, Singapore

July 1, 2025 - Present

Built AI chat interface with SSE streaming; increased user engagement by 45%; developed blockchain wallet scoring system; built API handling 50k+ daily requests; integrated NFT minting pipeline.

Full Stack Developer (Advisory Role) at Datai

July 1, 2025 - Present

Advisory full-stack developer for an intelligent data infrastructure platform, focusing on AI-powered analytics and blockchain integrations serving 1,000+ daily enterprise customers. Engineered SSE streaming with incremental rendering and automatic reconnection. Built modular wallet scoring with granular breakdowns, and a high-performance leaderboard API with Redis caching, delivering sub-100ms responses and 99.8% uptime. Integrated Ethers.js for multi-network blockchain interactions and developed an NFT minting pipeline with IPFS storage.

Senior Frontend Developer at Merlin

May 1, 2024 - June 30, 2025

Developed analytics platform for 10,000+ users; reduced load time from 4.2s to 1.8s; implemented real-time features using WebSockets; improved Lighthouse score to 95+.

Senior Front-End Developer at Merlin

May 1, 2024 - June 30, 2025

Developed an enterprise-grade portfolio monitoring and analytics platform across 20+ blockchain networks with real-time data synchronization. Built scalable dashboards with React, TypeScript, and Chart.js, implementing virtualization for 10,000+ data points and achieving 60fps rendering. Implemented Web3 wallet connections (MetaMask), multi-network switching, and real-time transaction status monitoring. Optimized performance with code-splitting, lazy loading, and memoization, reducing initial load from 4.2s to 1.8s and achieving 95+ Lighthouse score. Implemented real-time tracking with WebSockets and IPFS-based NFT metadata; designed robust error boundaries and enhanced error reporting.

Frontend Developer at VALK LTD

January 1, 2021 - May 31, 2024

Built multi-tenant enterprise platform; designed RBAC system; implemented CI/CD pipelines; mentored junior developers.

Middle Front-End Developer at VALK LTD

January 1, 2021 - May 31, 2024

Frontend developer on a 4-person team building an enterprise multi-tenant tokenization platform. Architected a scalable React app with subdomain-based deployments, implemented a 5-level RBAC system, and secured data rooms in SOC 2-compliant workflows. Built real-time internal analytics dashboards processing 100,000+ data points daily with Chart.js, integrated blockchain interactions with a Corda backend, and established front-end architecture standards. Led CI/CD with GitHub Actions, automated tests, and daily deployments; mentored juniors and improved onboarding and code quality.

Junior Front-End Developer at Powercode Academy

October 1, 2020 - January 31, 2021

Developed a responsive React-based application with Styled Components, achieving cross-browser compatibility and improving user satisfaction. Built a reusable component library following atomic design principles with Storybook documentation, and applied WCAG 2.1 accessibility practices including keyboard navigation and ARIA semantics.