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Benjamin Liu

Open to work8 years experience

Senior Frontend Engineer

Amsterdam, NetherlandsTarget Roles: Backend Engineer • Full-Stack Developer • Frontend Specialist

Senior Frontend Engineer specializing in AI-powered platforms and scalable web applications.

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Standing Rank

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Skills & Technologies

30 skills
react.jsnext.jsgatsbytypescriptjavascripttailwind cssreduxzustandwebsocketnode.jsfastapidjangopythonpostgresqlmongodbredisgraphqlopenai apiclaude apiai agentsrag systemsvector databasesnlpdockerawsvercelci/cdweb3smart contractsipfs

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Work Experience

Senior Frontend Engineer

Shift Technology

Dec 2024 - Present Amsterdam, Netherlands
  • Architected frontend systems for AI-native enterprise platforms focused on fraud intelligence, claims automation, underwriting risk analysis, and AI-assisted operational decision systems for global insurance providers.
  • Developed scalable React.js and TypeScript applications for investigation workflows, AI-powered analytical dashboards, real-time monitoring systems, and enterprise data visualization platforms handling large operational datasets.
  • Built AI-powered conversational interfaces, autonomous AI agent workflows, and multi-step task orchestration systems integrated with LLM ecosystems to assist investigators and operations teams with intelligent recommendations and workflow automation.
  • Designed and integrated Retrieval-Augmented Generation (RAG) pipelines, semantic search systems, and vector-based knowledge retrieval interfaces to improve document intelligence and AI-generated operational summaries.
  • Collaborated closely with ML engineers and backend teams to develop explainable AI interfaces visualizing fraud signals, entity relationships, confidence scoring, investigation reasoning, and AI-generated insights for enterprise users.
  • Built modular frontend architecture, reusable design systems, and scalable component libraries that improved maintainability and accelerated engineering delivery across multiple AI products.
  • Optimized frontend rendering performance, streaming data workflows, and large-scale visualization pipelines, improving dashboard responsiveness and reducing operational workflow latency by approximately 35%.
  • Integrated frontend systems with FastAPI services, AI inference pipelines, vector search infrastructure, and real-time analytics platforms supporting enterprise-scale AI operations.
  • Leveraged AI-assisted engineering workflows using Cursor, GitHub Copilot, ChatGPT, Claude, and GitHub AI integrations to accelerate development cycles, improve testing efficiency, and optimize CI/CD engineering processes.
  • Worked closely with product, research, and cross-functional teams to translate complex AI research concepts and operational business requirements into production-ready enterprise applications with strong usability, explainability, and scalability.

Senior Frontend Engineer

XMRPlay Ltd

Aug 2023 - Dec 2024
  • Architected frontend systems for a high-concurrency real-time iGaming platform supporting live gameplay, transaction systems, and real-time user engagement for 50K+ monthly active users.
  • Built and optimized scalable Next.js and TypeScript applications for casino games, live betting interfaces, rewards systems, user dashboards, and transaction history management, improving frontend responsiveness by approximately 35% during peak traffic periods.
  • Developed real-time chat and customer support ticket systems using WebSocket-based communication, increasing user participation by over 25% while reducing average support response handling time by nearly 40%.
  • Integrated multiple real-time game systems and backend APIs, ensuring low-latency synchronization for gameplay events, balances, payouts, and live session updates across thousands of concurrent user sessions.
  • Collaborated closely with backend and product teams to improve payment reliability, transaction visibility, and wallet UX, reducing failed transaction-related support reports by approximately 30%.
  • Introduced AI-assisted moderation and scam detection workflows for image filtering, suspicious content analysis, and abusive behavior monitoring, significantly reducing manual moderation workload and improving platform safety operations.
  • Built internal admin and moderation tooling for handling reports, suspicious activities, user disputes, and operational workflows, improving investigation efficiency and issue resolution speed for support teams.
  • Improved frontend performance, asynchronous state management, and rendering optimization for high-traffic pages handling large volumes of live transactional data, reducing page load times by approximately 40%.
  • Worked on responsive UX improvements, onboarding experiences, and retention-focused features that improved usability across desktop and mobile platforms.
  • Participated in CI/CD workflows, production debugging, release coordination, monitoring, and rapid hotfix deployments to maintain platform stability during continuous feature delivery cycles.

Frontend Engineer

ExoWorlds

Aug 2020 - Aug 2023
  • Contributed to NFT launchpad and marketplace systems that supported successful digital asset sales generating over $1M in transaction volume.
  • Developed responsive and high-performance frontend applications for a blockchain-integrated gaming ecosystem focused on NFT trading, launchpad systems, and community-driven user engagement.
  • Built interactive marketplace experiences using React.js, TypeScript, and Gatsby, including NFT minting flows, auction systems, staking dashboards, asset inventories, and real-time marketplace analytics.
  • Implemented complex frontend state management and real-time UI synchronization for wallet balances, NFT ownership, transaction states, and marketplace activity feeds.
  • Integrated wallet authentication, smart contract interactions, blockchain transaction flows, and on-chain event synchronization using Connex.js and custom Web3 integration layers.
  • Integrated off-chain marketplace services with on-chain blockchain data and IPFS-based NFT metadata storage to maintain reliable synchronization between marketplace activities and decentralized asset ownership.
  • Developed custom animated UI components, real-time data visualization charts, skeleton loading systems, and responsive user interactions to improve usability and marketplace transparency.
  • Built reusable frontend components and modular UI architecture to improve maintainability, scalability, and feature delivery speed across evolving marketplace products.
  • Optimized frontend rendering performance, asynchronous state handling, lazy loading, and large NFT collection rendering for high-traffic marketplace environments with concurrent user activity.
  • Built real-time communication features including notifications, community chat systems, and live marketplace activity updates using WebSocket-based workflows.
  • Participated directly in customer-facing meetings and technical support discussions to resolve wallet connectivity issues, failed NFT transactions, blockchain synchronization problems, and frontend-related user experience challenges.
  • Collaborated closely with Node.js backend teams, designers, and product teams to deliver scalable consumer-facing blockchain applications and continuously evolving marketplace systems.

Frontend Developer

Deep Knowledge Group (DKG)

Dec 2018 - Aug 2020
  • Led frontend development for enterprise analytics and research platforms using React, TypeScript, Django, and PostgreSQL.
  • Built reusable React component systems and modular frontend architecture, reducing feature delivery time by 30%.
  • Developed analytical dashboard interfaces and visualization workflows for large-scale operational datasets.
  • Created AI-assisted conversational interfaces integrated with NLP and automation services.
  • Optimized frontend rendering performance and asynchronous state management, improving loading speed by approximately 40%.
  • Integrated frontend applications with Django APIs, Google Workspace services, and analytics systems.
  • Automated report generation workflows using Google Apps Script, Google Docs API, and Google Sheets API.
  • Collaborated with product and research teams to translate business requirements into production-ready frontend systems.

Projects

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Leaderboard Standings

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Assessment Highlights

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AI Collaboration Score

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Role Compatibility Profile

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Achievements

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About Details

Professional Bio

Senior Frontend Engineer with 8+ years of experience building AI-powered platforms, real-time systems, and scalable consumer products. Specialized in React.js, TypeScript, Next.js, and modern frontend architecture across AI enterprise platforms, iGaming systems, and NFT marketplaces.

Bachelor of Engineering (BEng) in Computer Engineering

The Hong Kong University of Science and Technology (HKUST) (2014 - 2018)

Languages: English, Hindi
Email: Locked