RA

Raym art Tan

Available to hire

I’m a highly adaptive Senior Software Engineer with 9+ years of experience building and scaling full-stack, distributed systems for high-scale consumer platforms and enterprise SaaS.

About

I’m a highly adaptive Senior Software Engineer with 9+ years of experience building and scaling full-stack, distributed systems for high-scale consumer platforms and enterprise SaaS. I specialize in low-latency, event-driven backends and real-time data streaming, with a strong track record of reducing operational overhead and improving end-to-end performance through custom infrastructure and thoughtful engineering practices.

I enjoy designing dependable systems end-to-end—starting from responsive user-facing experiences and efficient UI rendering to secure data access layers, schema migrations, and CI/CD automation. I’ve worked across Go, Ruby on Rails, .NET/C#, Python, and TypeScript/React, and I’m especially passionate about integrating LLM/AI capabilities with robust caching and streaming approaches to deliver smooth, real-time user experiences.

  • 7 years' experience
  • Joined October 2026

Industry experience

  • Software & Internet
  • Financial Services
  • Media & Entertainment
  • Professional Services

Work experience· 4 roles

Senior Software Engineer · CanvaApr 2024 – Present · 2 yrs 8 mos

Architected end-to-end full-stack features for Canva Visual Suite 2.0 and a real-time generative engine, building decoupled, domain-driven micro-frontends with TypeScript/React integrated with low-latency Go microservices. Designed and deployed intermediate prompt-caching layers using Redis with OpenAI and Anthropic orchestration to reduce LLM token consumption and operational overhead by up to 90%. Engineered an optimized event pipeline that reduced end-to-end LLM response latency by 85%, leveraging streaming HTTP connections for smoother real-time UX. Built real-time synchronization pipelines using WebSockets, Go routines, and Redis Pub/Sub to handle high-frequency multiplayer canvas state changes across enterprise traffic. Optimized front-end editor responsiveness by offloading intensive layout math and vector operations into compiled WebAssembly (Wasm). Implemented robust data access layers and schema migrations using relational databases with seamless orchestration across complex

Senior Software Engineer · 3SginalsMay 2022 – Mar 2024 · 1 yr 11 mos

Scaled and modernized the Basecamp 4 project management platform to support continuous, zero-downtime feature rollouts for millions of active global users. Architected and deployed highly reactive Kanban components using the Card Table tool, leveraging the Hotwire ecosystem (Turbo/Stimulus) to bypass traditional single-page app complexity. Implemented an advanced data orchestration layer for Doors integrations to provide secure, real-time links to third-party file structures (e.g., Figma, GitHub, Google Workspace). Engineered granular async event frameworks for user notification state handling, introducing features like “Just Following” to isolate and suppress non-critical message delivery blocks. Optimized external developer infrastructure by refactoring legacy bucketed API endpoints into high-performance context-aware Flat Routes to minimize data payload sizes.

Software Engineer · SagentJul 2020 – Mar 2022 · 1 yr 9 mos

Scaled and modernized the Sagent Insights telemetry platform to handle unprecedented data tracking volumes during peak periods. Architected and deployed scalable data pipelines using C# and the .NET framework, migrating legacy batch ingestion scripts to near-real-time environments. Implemented an enterprise integration layer using Microsoft Dynamics AX, ensuring seamless data synchronization and consistency between warehouse scanners and client portals. Engineered responsive complex dashboards using Microsoft Power BI Embedded, improving operational reporting and transparency for tier-1 telecom clients. Optimized platform data retrieval by refactoring complex T-SQL queries and database indexing, lowering client reporting latency by over 60%.

Software Engineer (Internship) · YondU, IncJul 2017 – Jun 2018 · 1 yr

Education

B.S. in Computer Science · Holy Angel University2013 – 2017

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