Senior backend engineer with 6+ years building high-scale distributed systems, IoT platforms, and security infrastructure. Experience spanning AI/ML data pipelines at ByteDance, company-wide authentication and networking infrastructure at Yahoo, and full-stack product development. Strong foundation in Go, distributed data systems (Kafka, ClickHouse, Elasticsearch), and cloud platforms (AWS, GCP).
Jimmy Tsang
jimmy.tsang1996@gmail.com
Major: Electrical Engineering & Computer Science • Class of 2019
Courses: Data Structures and Algorithms, The Structure and Interpretation of Computer Programming, Discrete Mathematics and Probability Theory, Linear Algebra and Differential Equations, Multivariable Calculus, Three Dimensional Modeling
Software Engineer (Research & Development) — AI Operations (Meeting Room Intelligence) • May 2024 – Present
● Led architecture and delivery of AI-driven Meeting Room Intelligence, automating room utilization and orchestrating large-scale IoT device management across 15,000+ rooms worldwide.
● Architected a multi-tenant, event-driven data platform with high-performance APIs and streaming pipelines across MySQL, ClickHouse, Apache Kafka, and Elasticsearch to support AI/ML workloads at scale.
● Built and owned a global firmware and application management system for 100,000+ devices, automating upgrades and saving ~5,000 engineering hours per month.
● Established observability and data integrity standards, processing ~5M records daily via automated synchronization pipelines across global meeting room infrastructure.
Software Development Engineer • Aug 2019 – Apr 2024
● Engineered and maintained Athenz (athenz.io), Yahoo's company-wide x.509 certificate-based authentication platform used by every engineering team across Yahoo's entire product surface.
● Built and owned features for PES, Yahoo's internal IPv4 policy networking service governing intra-cloud service-to-service access across all cloud infrastructure.
● Automated certificate lifecycle management, eliminating manual certificate refresh across all services and reducing operational toil for platform teams org-wide.
● Redesigned CI/CD pipelines, cutting deployment time by 50% across multiple production services and enabling faster release cycles.
● Led migration of on-prem applications to AWS and GCP, reducing infrastructure costs by 30%.
● Integrated WebDriver.io functional test framework across multiple UI applications, standardizing end-to-end testing practices across the organization.
Software Engineering Intern — Energy Software Team • Jan 2018 – Aug 2018
● Built full-stack features for the Tesla Powerwall Configuration App using React, Redux, and Go; owned an entire configuration page end-to-end, saving 100+ hours of field service time.
● Developed mobile features for the Tesla Energy app using React Native across Android and iOS; performed data analysis on MySQL datasets using Tableau to identify flaw patterns in automated manufacturing.
Built and hosted a full production website for an interactive digital marketing agency (spiralnotion.com).
Applied A* graph traversal search to build a navigation program similar to Google Maps.
Led a team of Berkeley engineers to build a web app enabling offline Wikipedia article downloads.
Languages: Go, TypeScript, JavaScript, Python, Java, SQL
Backend & Data: Apache Kafka, ClickHouse, Elasticsearch, MySQL, Redis, REST APIs, Thrift, gRPC
Cloud & Infra: AWS, GCP, Docker, Kubernetes (EKS), Chef, CI/CD
Frontend: React, Redux, React Native, Node.js, Express
Spoken: English (native), Mandarin (fluent)
AWS Fundamentals • Google Cloud Fundamentals: Core Infrastructure • Google Kubernetes Engine • Security in Google Cloud • Flexible EKS Management (FLEKS) • Scaled Agile Framework (SAFe) • Generative AI for Business Users