Martín Zhang

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Senior Software Developer

render

Sep 2022 - Oct 2025 (3 years 2 months)

Participated in development of Render's Cloud Application Platform, enabling developers to deploy and manage web applications; owned a developer-facing API documentation portal. • Built Metrics & Monitoring microservices (Go, Python, Node.js) with Apache Kafka/RabbitMQ for event streaming and background task orchestration; implemented custom aggregation pipelines and Prometheus-based alerting. • Designed REST APIs and webhook endpoints with JWT authentication, rate limiting, request validation, and exponential backoff retry logic for high-availability integrations. • Implemented webhook infrastructure using AWS Lambda & API Gateway with Redis-based idempotent event processing, SQS dead-letter queues, and CloudWatch dashboards. • Built A
Software Developer

brandtrack

Feb 2018 - Jun 2022 (4 years 5 months)

Developed a brownfield SaaS Background Music streaming platform with real-time audio delivery, playlist management, and scheduling for retail environments. • Migrated Ruby-based project to Python + Node.js microservices improving scalability and maintainability. • Optimized PostgreSQL schemas with composite indexes, partitioning, connection pooling (PgBouncer), and query tuning for multi-tenant applications. • Implemented batch + streaming ETL pipelines using Python, Airflow and Kafka; ingested and transformed music metadata into S3 data lake with Parquet storage. • Deployed system monitoring with Prometheus and Grafana, tracking app and infrastructure metrics; integrated PagerDuty for incident response. • Collaborated with product/dat

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