Harry Dao - Software Engineer

Harry Dao

4.8

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Harry Dao

4.8

Gender

Male

Main expertise

Java Microservices Spring API Software Full-stack REST API Oracle Database Data Scientists Integration Azure

Introduction

Harry Dao has over four years of experience in IT software development, specializing in the Java software stack, including the Spring framework, Hibernate, Oracle, and Apache Tomcat. Harry has successfully collaborated with clients and partners from Singapore, Thailand, and Japan on various projects. With a strong proficiency in designing and developing applications using standard concepts, practices, and procedures, Harry is adept at developing microservices applications. He works closely with other teams to refine project functionalities and ensure products meet timelines and goals. Harry is also familiar with the Agile/Scrum development model.

Project list

Viettel Digital Services Core Accounting Platform - Vietnam

Develop a core accounting platform for Viettel Money and market wallets, leveraging an event-driven architecture for core business processes.

Design and develop transaction handling APIs such as Transfer, MoneyIn, MoneyOut, Revert, Refund, Closing-entry, Holding/Unholding, and Release. Integrate core business transactions, including Payment, Transfer, and Disbursement, with core accounting APIs. Implement transaction reconciliation to support CDR exports and facilitate data analysis.

Technologies: Java, Spring Boot, Maria DB, Bitbucket, Jenkins, Kafka, Redis, Spring Batch, OpenAPI, ELK, JUnit, Jira, Confluence

FPT Asia Pacific - Financial Systems Project - Singapore

Worked on the development and maintenance of projects for the GIC, specifically aimed at generating accounting reports and providing financial services.

Analyzed and implemented various financial processes, including adhoc, cron, transaction, and batch jobs. Familiarized with Oracle PL/SQL and implemented optimizations that increased job performance by 10%. Supported team members during both development and testing phases.

Technologies: Java, Oracle SQL Developer, WebLogic, Control-M, DB systems, Rabbit MQ, Jira, Confluence, GitLab

Prudential PLT Project - Singapore

Responsible for the development of insurance-related requirements and maintenance of ESB systems. Worked on creating new Microservices applications to enhance functionality.

Developed APIs and integrated APIs for modules including Underwriting, Submission, CMS, Agency, Quotation, etc. Integrated a new set of 'New to Bank' APIs with TTB and UOB partners. Supported deployment processes and troubleshooting issues.

Technologies: Java, Spring Boot, Maven, MS SQL, AS400, Postman, JUnit, Jira, Bitbucket, Nexus, MS Azure, Cosmos, ELK, Jenkins, AKS

FPT Software Project - Singapore

Developed financial platforms using a Microservices architecture.

Designed and developed modules for Insurance, Reporting, Benefits, and Administration. Familiar with RDBMS and optimized SQL queries. Implemented unit tests to achieve 90% code coverage for the SMC backend.

Technologies: Java, Spring Boot, Gradle, Oracle DB, Jira, GitLab, SonarQube, Postman, AWS, Spring Data JPA, JUnit, Mockito

Bee Clean - Singapore

Designed and developed a web application as a personal project.

Developed Java web services and used UML diagrams to design the system model. Developed the SQL database and ERD for the project. Built an authentication filter for generating and validating JWT.

Technologies: React JS, MySQL, Maven, Java, Spring Boot, Spring Security, Hibernate framework, Git, JUnit

Project list

Education

Expertise