John Wong
@johnwong1
Senior software engineer specializing in scalable backend systems, AI-driven search, and cloud-native architectures.
What I'm looking for
I am a Senior Software Engineer with 9+ years of experience building scalable backend and frontend systems, deploying large-scale services on AWS and GCP, and leading cross-functional teams to deliver high-impact features.
I have architected microservices migrations, developed AI-driven search and personalization using Python and ElasticSearch, and implemented high-throughput C# and Java services backed by Kafka and PostgreSQL to meet strict latency and availability goals.
I am passionate about improving developer productivity and reliability through CI/CD automation, observability (Datadog, Prometheus, OpenTelemetry), and strong engineering practices that reduce technical debt and accelerate delivery.
Experience
Work history, roles, and key accomplishments
Led end-to-end development and re‑architecture of Airbnb platform features including Services marketplace, Online Experiences, and AI-driven search, improving throughput to 5K+ RPS with p95 <200ms and reducing deployment time by 40%.
Developed backend services and real-time pipelines for Google Chat, reducing message delivery latency by ~30% and improving storage/query efficiency using Spanner and Bigtable for millions of daily users.
Education
Degrees, certifications, and relevant coursework
Cornell University
Bachelor of Science, Computer Science
2011 - 2015
Completed a Bachelor's degree in Computer Science with coursework and projects focused on software engineering, algorithms, and systems development.
Tech stack
Software and tools used professionally
Postman
Apache Spark
D3.js
GitHub
Bitbucket
Kubernetes
Jenkins
GitHub Actions
React Native
Pandas
dbt
MySQL
PostgreSQL
MongoDB
Gmail
LaunchDarkly
Node.js
Django
Laravel
Spring Boot
.NET Core
Ruby on Rails
Next.js
.NET
ASP.NET Core
Tailwind CSS
Material-UI
Databricks
Neo4j
Redis
Terraform
Jira
Babel
Mocha
Svelte
Webpack
JavaScript
Java
ES6
PHP
Kotlin
ASP.NET
PowerShell
scikit-learn
Kafka
RabbitMQ
FastAPI
Grafana
Prometheus
OpenTelemetry
Sequelize
Linux
Datadog
Apollo
GraphQL
Prisma
gRPC
Elasticsearch
pytest
JUnit
OAuth2
NGINX
Airflow
SQL
LangChain
Playwright
Bash
Availability
Location
Authorized to work in
Job categories
Skills
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