Professional Experience

A timeline of my professional journey, showcasing the projects, technologies, and impact I've had across different roles.

MonetizeNow

Jul 2021 – PresentRemote

Shipped React/TS features for pricing/quoting/billing UIs; introduced a reusable component library.
Partnered with backend on typed API contracts (OpenAPI/codegen); reduced integration issues.
Performance & DX improvements: code-splitting, memoization; added unit/integration tests and visual checks.

ReactTypeScriptNext.jsNode.jsNestJSPostgreSQLStorybookJest

Upwork (Freelance)

Aug 2019 – Aug 2020Remote

Cut API p95 latency from ~800 ms to ~260 ms through effective caching and connection pooling strategies.
Reduced LLM token spend by approximately 25% by implementing prompt templates and response post-processing.
Introduced contract and end-to-end tests, preventing regressions and accelerating delivery timelines.
Designed NestJS/TypeScript services (REST/GraphQL) with DTO validation, auth, and BullMQ/Redis.
Built LLM agents (tool use, memory, RAG via LangChain.js + Qdrant/Supabase); streaming + cost guardrails.

NestJSTypeScriptGraphQLRedisBullMQLangChain.jsQdrantSupabaseGitHub Actions

IoTfy

Aug 2019 – Mar 2020Remote

Developed hospital patient management system leveraging Particle.io IoT devices to collect and monitor sensor data such as room occupancy and vital signs.
Designed APIs to control IoT devices remotely and trigger alerts based on sensor thresholds, improving healthcare staff responsiveness.
Built web-based real-time control panels using Vue.js for monitoring and managing IoT device events.
Integrated AWS IoT Core services for device communication, event processing, and secure data streaming.
Ensured scalability and reliability of the IoT platform through modular architecture and asynchronous event handling.

Vue.jsNode.jsAWS IoT CoreParticle.ioTypeScriptWebSocketREST API

Captable, Inc.

Jun 2016 – Aug 2019Remote

Developed and maintained full-stack web applications using Node.js, TypeScript, React, and Vue.js, delivering scalable and maintainable codebases.
Architected RESTful and GraphQL APIs, integrated real-time data streaming with WebSocket for trading platforms such as Binance and Bittrex.
Built and deployed smart contracts in Solidity and dApps using Web3.js and Ethers.js, including ERC-20 and NFT standards.
Created trading bots based on market arbitrage and signal algorithms, improving client trading efficiency and automation.
Integrated wallet solutions with MetaMask and Coinbase Wallet for secure user authentication and transaction signing.
Utilized cloud infrastructure on AWS (Lambda, DynamoDB, S3, API Gateway) for serverless backend deployments.

Node.jsTypeScriptReactVue.jsGraphQLSolidityWeb3.jsEthers.jsAWSJestCypress