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Yijun Chen

Senior Full-Stack Software Developer specializing in IoT and cloud systems

Toronto, ONSenior Full-Stack Software Developer4 years experienceSeniorTechnologyIoTCloud Computing
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About

Frontend-focused engineer who built a full movie recommendation system from concept to production, comparing classic collaborative filtering with LLM-based recommendation approaches on AWS. Emphasizes scalable architecture, strict TypeScript data contracts, and high-quality Next.js/React UI patterns (defensive states, scoped state management, performance optimization) with disciplined QA and feature-flagged rollouts.

Experience

Senior Full-Stack Software DeveloperPulsenics Inc
Full-Stack Software DeveloperPulsenics Inc

Education

University of Torontomaster, Electrical and Computer Engineering (2026)
McMaster Universitybachelor, Software Engineering (2021)

Key Strengths

  • Led an end-to-end production project with modular, scalable architecture (ingestion, model execution, evaluation layers)
  • Strong frontend architecture discipline: reusable components, separation of presentation vs data-fetching, defensive UI states
  • TypeScript-driven data modeling and stable API contracts to reduce runtime bugs
  • Pragmatic state management for multi-step workflows (local-first, lift when shared, Context to avoid prop drilling)
  • Frontend performance tuning via reduced re-renders and memoization
  • Structured delivery in fast-paced environments: incremental scope, staging QA with production-like data, feature-flagged rollouts, post-launch monitoring and iteration

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Languages

English

Skills

A* PathfindingAgileApache HadoopApache KafkaApache SparkASP.NETASP.NET CoreASP.NET Web FormsAzure Data FactoryAzure DevOpsAzure IoT HubAzure SynapseBevyCC#