Backend software engineer focused on Go/Java services for finance and data-heavy platforms. I
build scalable APIs, workflow automation, and performance improvements across distributed
systems.
Work Experience
Digital platform for customer onboarding · 12/2024 - Present
Stack: Go, Java (Spring Boot/Quarkus), SQL, BPM
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Built customer onboarding microservices for a major Vietnamese bank and delivered P99 <
1s at 1000 CCU by optimizing critical paths, queries, and network calls.
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Prepared services for production compliance (OWASP top 10, pen-test, code audit) and release
readiness.
- Designed BPM workflows to automate complex business decisions and approvals.
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Applied DDD-aligned service boundaries and reusable patterns to keep domains clear and
maintainable.
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Implemented read-replica and cache-aside strategies to reduce read load and improve
reliability under peak traffic.
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Profiled latency hotspots across service and database layers to remove performance
bottlenecks.
Financial data services · 06/2024 - 12/2024
Stack: ReactJS, Go, AWS Lambda, DynamoDB, Step Functions, MySQL
- Implemented efficient query APIs for large dataset (4 mil. records).
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Built ingestion and processing pipelines for company health and risk signals, plus automated
daily report distribution via email.
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Shipped full-stack features with React and Go, integrating AWS services with cost and
performance constraints.
- Query optimization for MySQL and DynamoDB databases to improve data retrieval times.
Technical Expertise
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Programming in: Go, Java 21+ (Spring Boot, Quarkus), JavaScript (ES6+),
TypeScript.
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Designing and building backend systems: RESTful APIs, gRPC, microservices,
event-driven systems (Kafka, NATS), NodeJS.
- Cloud/DevOps: AWS (Lambda, DynamoDB), GKE, EKS.
- Databases: PostgreSQL, MySQL, DynamoDB.
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Languages: Vietnamese (native), English (IELTS 7.5, professional working
proficiency).
Open Source Works
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DurableFuture
— A lightweight workflow engine in Go for building long-running, resilient applications.
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chronicle
— A Go event-sourcing framework (community project; not my repository).
Education