CAREER SUMMARY
Technical Lead in fintech and digital banking. Backend Technical Lead at Tyme, architecting multi-country lending platforms across Southeast Asia and Africa—AWS serverless and microservices.
WORK EXPERIENCE
Technical Lead
2021 - Present
TymeX (one of the world's fastest-growing digital banking groups)
- Architected multi-country Merchant Lending Platform (5 loan products across 3 countries), processing $300M+ annual loans for millions of users and thousands of merchants.
- Engineered using Python and AWS Serverless Stack (Lambda, API Gateway, DynamoDB, ALB, S3, SQS) for cost-effective scalability and rapid deployment.
- Integrated with Mambu, CRM, Core Banking, Segment, Datadog, and Databricks for real-time analytics and visibility.
- Directed 2 Scrum teams (15+ engineers), defining code quality standards, CI/CD pipelines, and architectural governance achieving 20% faster release cycles.
- Designed full-lifecycle Advance Loan Platform for TymeBank, serving 350,000+ eligible customers with 300,000 monthly disbursements.
- Optimized throughput for thousands of TPS during peak traffic and implemented automated repayment workflows for 300,000+ active loans/month, ensuring resilience and low latency.
- Led Buy Now Pay Later (BNPL) Platform architecture, enabling instant credit at 20,000 physical stores and 5,000 e-commerce merchants for 200,000+ customers.
- Deployed cloud-native backend with Java/Spring Boot microservices on Amazon EKS, integrated with Kafka, WSO2, Mambu, and Databricks for real-time processing.
- Managed Scrum team to deliver onboarding, settlements, accounting, and loyalty features, scaling for rapid growth.
Software Engineer → Senior Software Engineer → Tech Lead
2014 - 2021
TMA Solutions (one of Vietnam's leading software outsourcing firms)
- Advanced to lead end-to-end architectures for 5+ enterprise projects for clients like Nokia, Alcatel-Lucent, Philips, Broadcom Inc., and TecAlliance across telecom and automotive.
- Established technical standards, best practices, and documentation, enhancing code quality and team efficiency.
- Mentored 20+ developers with architectural guidance and hands-on support.
- Spearheaded FleetManager SaaS platform with Angular monorepo frontend and ASP.NET APIs using Apache Kafka, Docker, and Kubernetes for scalability.
- Delivered 4 Google Cloud Search solutions for Broadcom and Philips using Java/Spring, ReactJS, Google Cloud, and MySQL.
- Transformed Task Center legacy app into modular web system (Java/Spring, RESTful APIs, Microservices, MySQL, AngularJS), reducing page development time from days to under 3 hours.
SKILLS & EXPERTISE
Solution Architecture & Engineering: Cloud-Native Design, Microservices, Serverless (AWS), Event-Driven Systems, Agile/Scrum
Cloud & DevOps: AWS (Lambda, API Gateway, DynamoDB, EKS), Docker, Kubernetes, CI/CD Pipelines
Backend Engineering: Java, Spring Boot, Python, Kafka, Observability, RESTful APIs
Fintech & Digital Banking: Lending Systems (BNPL, Merchant Cash Advance), Core Banking Integration, Payment Gateways, Mambu
Tools & Technologies: Git, Jira, Databricks, Datadog, Segment, Angular, React
HONORS & AWARDS
Top Performance Employee of the Year – Tyme (2022, 2023, 2024)
Top Performing Employee (5 consecutive years) – TMA Solutions (2016–2020)
Nokia High Performance Award – TMA Solutions, 2015
Recognized for outstanding technical performance, leadership, and impact across multiple product teams
Recognized for outstanding technical performance, leadership, and impact across multiple product teams
CERTIFICATES
AWS Certified Solutions Architect – Associate – Amazon Web Services, 2023
AWS Certified Developer – Associate – Amazon Web Services, 2024
EDUCATION
Bachelor of Information Technology
2010 - 2013
CTU University