Backend Engineer with 10+ years of experience in Java/Kotlin, hands-on with AWS services and Kubernetes. Agile-savvy and based in Ho Chi Minh City, Vietnam.
📪 Email : frystalizer@gmail.com
📱 Mobile : +84 78 591 7402
🔗 LinkedIn: linkedin.com/in/tan-le-6ba908102
🔗 GitHub : github.com/frystalizer
📄 CV : frystalizer.github.io/cv
Expert Software Engineer @ Zühlke (April 2022 – Present)
- Work as back-end engineer of Credit Risk domain and responsible for both functional and non-functional features.
- Work as data engineer to modify existing pipeline to adapt new requirements from business, add new pipeline for data aggregation.
- Collaborate with multiple domains team and Architect teams to discuss solution designs and testing deliverables.
- Provided mentoring for new members and support for both technical or business queries.
Boston Scientific: Life Sciences industry in a multi-year digital transformation program. The objectives are to optimize and enhance data, mobile and web platforms to support core business applications for Sales, Marketing and Regulatory Affair teams.
Technologies: Python, PySpark, AWS services: S3, Athena, Glue, CloudFormation, Event Bridge, CloudWatch, Step Function.
Achievements:
- Gained hands-on experience with PySpark to build ETL pipeline and various AWS services.
Trust Bank: A digitally-native bank for the Singapore market.
Technologies: Java, Kotlin, Spring Boot, Microservices, Kubernetes, Postgres, Kafka, AWS services.
Achievements:
- Gained hands-on experience with Kafka, Kubernetes, and various AWS services.
- Exposure with microservices architect and collaboration with cross domain teams.
Full Stack Software Engineer @ mesoneer (formerly ubitec) (Nov 2017 – Apr 2022)
- Led a team of 3 junior software engineers and mentored newcomers, supporting both technical and business concerns.
- Authored project setup documentation.
- Created DEV and STAGING environments using OpenShift 4.
- Conducted peer code reviews.
UMB_ID: A digital identity platform designed for secure and user-friendly online identification.
Technologies: Java, Spring Boot, REST, OpenAPI, Postgres, Docker, OpenShift, Helm, Angular.
Achievements:
- Migrated the application stack from Docker to OpenShift.
- Built Angular applications from scratch and migrated from v9 to v12.
- Deployed and scaled applications using OpenShift and Helm.
VZ, ABS, WIR: Java-based BPM banking solutions for customer self-registration and internal onboarding automation.
Technologies: Java, HTML/CSS, JavaScript, JSF, REST, SOAP, Postgres, Docker.
Achievements:
- Took over the project within 2 weeks with minimal handover.
- Delivered client-specific features despite limitations in the GUI framework.
CIC: Java-based BPM backend integrated with Angular frontend for onboarding digitization.
Technologies: Java, HTML/CSS, Angular, REST, Oracle DB, Drools, Docker.
Achievements:
- Integrated Drools into the backend, allowing customers to define dynamic rules within a pre-defined context.
Module Finder: Mortgage visualization tool providing key insights (risk, interest rates, etc.).
Technologies: Java, JSF, HTML/CSS, JavaScript, html2canvas, jQuery.
Achievements:
- Delivered the project within 2 months.
- Used
html2canvasto generate downloadable PDF reports from dynamic charts. - Optimized chart quality in terms of rendering and file size.
Software Engineer @ Axon Active Vietnam (Oct 2016 – Sep 2017)
- Worked in a Scrum team of 9 developers alongside a Scrum Master and Product Owner.
- Participated in all Scrum ceremonies: planning, daily stand-ups, reviews, and retrospectives.
- Conducted peer code reviews.
Acrevis, Liberty: Java-based BPM projects aimed at digitizing internal banking workflows.
Technologies: Java, HTML/CSS, JavaScript, PrimeFaces, REST, Postgres, Aspose.
Achievements:
- Acquired frontend development skills: JavaScript, jQuery, HTML/CSS.
- Worked across both frontend and backend tasks.
- Became comfortable working in a Linux environment.
Associate Software Engineer @ DXC Vietnam (formerly CSC Vietnam) (Sep 2014 – Oct 2016)
- Contributed to a 10-member team on core application development.
- Attended daily syncs with offshore Indian teams.
- Resolved JIRA-reported defects and implemented new features based on client requests.
ExceedJ: Java-based web app for non-life insurance, improving client/agent services and internal operations.
Technologies: Java, HTML/CSS, JavaScript, PrimeFaces, REST, SOAP, IBM WebSphere, Tomcat, IBM DB2, SVN.
Achievements:
- Selected to join the Indian delivery team.
- Ranked in the top 3 developers contributing to project success.
- Built experience working in international, cross-functional teams.
- English: Professional fluency
- Vietnamese: Native
Bachelor of Computer Science
Ho Chi Minh City Open University, Vietnam (2010 – 2014)
- Foundational C# with Microsoft – Aug 2025
- Oracle Cloud Infrastructure 2025 Certified Foundations Associate – Jul 2025
- Oracle Cloud Infrastructure 2025 Certified AI Foundations Associate – Jul 2025
- AWS Certified SysOps Administrator – Associate – Apr 2025
- AWS Certified Data Engineer – Associate – Mar 2025
- AWS Certified Machine Learning – Specialty – Mar 2025
- AWS Certified Developer – Associate – Feb 2025
- Scientific Computing with Python – Jan 2025
- AWS Certified Solutions Architect – Associate – Aug 2023
- Certified Kubernetes Application Developer – Jan 2023
- FreeCodeCamp Responsive Web Design – May 2022
- Scrum Certification for Java Developer – Dec 2015
- Oracle Certified Associate, Java SE 7 Programmer – Dec 2015