Professional Summary
Backend-focused software engineer specializing in high-performance APIs, distributed systems, data pipelines, and production reliability. I have designed and shipped systems across fintech and healthcare domains, working with distributed teams across Asia, the Middle East, and Australia.
Core Skills
Backend
PythonDjangoDjango REST FrameworkFastAPISQLAlchemy
Distributed Systems
Apache KafkaCeleryRedisWebSocketsAWS SQS
Databases
PostgreSQLMySQLCouchbaseAlembic
Cloud & DevOps
AWS LambdaAWS API GatewayAWS SageMakerAWS S3AWS RDSAWS EventBridgeAWS Step FunctionsDockerCI/CDGithub ActionsJenkins
Observability
Elastic APMOpenTelemetryELK Stack
Testing & Quality
Unit TestingIntegration TestingpytestCode Review
Experience
Peg B Technology — Software Engineer
UAE (Remote) · Remote
October 2024 – Present
- Optimized data processing time by 95% (8 hours to 5 minutes) by architecting a fan-out/fan-in Kafka pipeline between Couchbase and MySQL.
- Reduced API latency by 8x (4s to 0.5s) through profiling and elimination of N+1 query patterns, improving customer experience.
- Resolved critical production deadlocks by refactoring legacy transactional code and introducing exponential backoff retry logic to improve fault tolerance.
- Enhanced system observability by implementing an Elastic APM and OpenTelemetry stack, establishing a unified monitoring pattern adopted across all Python repositories.
- Standardized engineering practices and technical documentation, improving maintainability and developer experience.
- Upgraded the Docker Python base image from 3.7 to 3.12, resolving compatibility issues and security vulnerabilities.
- Designed new CMS API set that consolidated 21 endpoints to 9, simplifying maintenance and developer experience.
- Set up Jenkins CI pipeline; raised test coverage to 90%+ on greenfield services
PTN Global — Software Engineer → Tech Lead
Vietnam · On-site
April 2023 – September 2024
- Collaborated with Australian healthcare partners to design technical solutions, translating complex clinical requirements into a production-ready medical QA system serving a corpus of 3,000+ documents.
- Promoted to tech lead: led a 5-person backend team through sprint planning and code reviews, facilitating the delivery of proof-of-concept demos to external clients.
- Engineered a serverless ETL pipeline using AWS Step Functions and Lambda to automate data extraction from REDCap, improving data integrity and system maintainability.
- Improved search reliability for neurological researchers by migrating vector databases from ChromaDB to pgvector, eliminating intermittent query failures.
- Reduced operational costs for Machine Learning inference by implementing PostgreSQL-based caching for frequent queries and establishing warm-up strategies for SageMaker endpoints.
- Designed and implemented a real-time WebSocket notification system using AWS API Gateway WebSocket APIs, Lambda, and SQS.
- Developed REST APIs for patient, study, and report management using AWS API Gateway + Lambda + PostgreSQL.
- Built a PDF generation pipeline: rendering with PyMuPDF, storage on S3 and applied asynchronous notifications to users upon completion.
Appcore — Software Engineer
Vietnam · On-site
June 2021 – March 2023
- Developed and integrated Stripe payment processing with Django Rest Framework and PostgreSQL.
- Improved API responsiveness by offloading background workloads to Celery and Redis.
- Collaborated on the business design process by creating flow diagrams and preparing technical backlog items.