EXPERIENCE
Transaction Technologies Limited (TTL)
Apr 2023 - Present
Java Software Engineer
WinVest™ - Fintech
May 2023 - Present
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Revamped a desktop-based Fintech platform and APIs to fulfill complex business requirements of securities firms across Hong Kong, China, and Singapore, ultimately earning CEO recognition for outstanding contributions.
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Eliminated chronic bottlenecks, cutting Client Trade import from 90 to 15 mins (10K rows), Stock Conversion report from 40 to 2 mins, and Day End Archiving from 65 to 2 mins via multi-threading, query tuning, and refactoring.
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Drove 3 crucial modules, including IPO module, DW & CBBC reports, and Data Reconciliation scheduling tasks with email reporting, facilitating the client's system go-live by delivering 80-100% of tasks and mentoring 2 colleagues.
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Delivered real-time closing price sync between the stakeholder and core systems via Kafka integration.
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Utilized: Java, SQL (IBM Db2, Oracle, MySQL), Java Swing (GUI), Kafka (Message Queue), Microservices (XML over HTTP), Git, Docker, Jira (Agile), Apache POI (API for Microsoft Office), JAXB (XML Binding)
FPT Software Ho Chi Minh
May 2021 – Apr 2023
Java Developer
DirectTV - Media | Overseas
Aug 2022 – Jan 2023
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Handpicked as one of just 10 backend engineers company-wide for a fully client-sponsored 6-month relocation in Cebu, Philippines, fostering strategic partnerships and significantly contributing to company revenue.
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Revamped the core publishing backend for Roku devices (which transform standard TVs into smart TVs), delivering seamless content experiences to millions of users globally and eliminating persistent performance bottlenecks.
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Engineered real-time, fault-tolerant messaging from the Publishing service to Transition and Notification services by refactoring complex legacy logic to support Kafka integration.
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Utilized: Java, Spring Boot, Kafka (Message Queue), RESTful API, Microservices (API over HTTP), Git, Jira (Scrum)
Java Developer
AiSquared™ - Heavy Assets
Nov 2021 – Aug 2022
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Contributed to the end-to-end development of a $2M asset management web platform for a Dubai-based oil and gas client, achieving 121% performance across multiple Scrum sprints.
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Built create or save-draft APIs for key business objects (Asset, Project, Workflow, Job, and Task), each managed by a dedicated microservice, enabling inter-service communication via gRPC and maintaining 90% unit test coverage.
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Constructed notification service to handle real-time email and in-app alerts by integrating Kafka and WebSocket.
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Utilized: Java, Spring Boot, SQL (PostgreSQL), Microservices (gRPC), Kafka (Message Queue), WebSocket, RESTful API, Redis (Cache), Flyway (DB Migration), JUnit & Mockito (Unit Testing), Git, JMeter (Load Testing), Jira (Scrum)
Fresher Java
FPT Software Academy
May 2021 – Jul 2021
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Completed a 3-month intensive training program in Java Web development and software engineering best practices, ranking 2nd out of 10 in Fresher Java 05 class, GPA: 8.5/10.
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Selected as a speaker to share experiences and advice with incoming interns in the Kickstart New Fresher Season.
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Utilized: Java, SQL (SQL Server), Spring MVC, Spring Boot, JPA, Hibernate, Unit Testing, Git
EDUCATION
VNUHCM - University of Science
Aug 2018 - Aug 2022
Bachelor of Science in Software Engineering, very good, GPA: 8.18/10
Ho Chi Minh, Vietnam
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Merit-based scholarship, outstanding (top 4 in the cohort), GPA: 9.08/10 (Semester 2, 2019-2020).
CERTIFICATIONS & AWARDS
| Big-O Orange: Advanced Algorithms | Big-O Coding | Mar 2024 |
| Big-O Blue: Intermediate Algorithms | Big-O Coding | Jan 2024 |
| International English Language Testing System | IELTS: 5.5 Overall | Sep 2023 – Sep 2025 |
| Cloud Developer Nanodegree | Udacity | Nov 2022 |
SKILLS
| Proficient | Java, SQL, Kafka, RESTful API, Microservices, Git, Jira |
| Familiar | Spring Boot, gRPC, Redis, Docker, Flyway, WebSocket, JPA, Hibernate, JUnit, Mockito, JMeter |