TOBYHoang.
Accomplished Software Developer featuring 5 years of expertise in Java and Spring Boot. Driven by a solid Computer Science background and a proactive approach to problem-solving. Currently expanding skillsets in Cloud and System Design with a long-term goal of transitioning into a Tech Lead or Solution Architect role.
Engineering
systems that
hold under pressure.
Accomplished Software Developer featuring 5 years of expertise in Java and Spring Boot. Driven by a solid Computer Science background and a proactive approach to problem-solving. Currently expanding skillsets in Cloud and System Design with a long-term goal of transitioning into a Tech Lead or Solution Architect role.
Outside of code, I build side projects that scratch personal itches — from a Vietnamese social network to a crypto-reward lottery backend. Always shipping.
Where I've worked.
Present
A Singapore-based product company specializing in banking solutions.
- →Contributed to major banking projects for PNB, Sacombank, Vietinbank, and LandBank.
- →Worked as a Full-stack developer, built features, resolved complex bugs, and integrated third-party APIs/systems within a large-scale enterprise codebase.
- →Optimized code and SQL queries to ensure high performance and accuracy for critical banking operations.
- →Proposed technical solutions and collaborated with global teams/clients to ensure project alignment and documentation.
- →Demonstrated high pressure tolerance and took full ownership of tasks to meet strict project deadlines.
2024-07
An Vietnamese IT outsourcing firm with Viettel as the major account.
- →Worked in several projects, encompassing various technologies and business domains.
- →Participated in the entire product development lifecycle.
- →Experienced in leading a small team of backend developers.
2022-11
An Vietnam-based outsourcing company primarily targeting English-speaking markets.
- →Contributed to several microservice projects, involving API development, database design, and bug fixing.
A Singapore-based product company specializing in banking solutions.
An Vietnamese IT outsourcing firm with Viettel as the major account.
An Vietnam-based outsourcing company primarily targeting English-speaking markets.
Selected work.
GitHubSmart Lender
A Corporate and SME Lending and Credit Risk Management platforms from Singapore.
Sani Terminal
A comprehensive web booking system (bus, ferry, hotel, tour), for a Malaysian client.
Camera AI
A Camera AI system that automatically detects and processes traffic violations for Hanoi Public Security.
V-OCS 4.0
A centralized policy and telecommunications pricing management system for Viettel, a leading telecommunications provider in Vietnam.
Lottery Code Sales
A South Korean online lottery platform featuring cryptocurrency-based rewards.
The toolkit.
Let's work
together.
Open to senior engineering roles, tech lead opportunities, or interesting freelance work. If you're building something that challenges the ordinary — I'd love to hear about it.