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Software Engineer with 4+ years of experience building cloud-based, AI-powered HR technology and connected-device platforms for Vietnamese and U.S. clients. Strong in backend development, full-stack development, system integration, and cross-functional collaboration, with experience leading teams of up to 10 members. Focus areas include designing secure multi-tenant architectures, implementing scalable asynchronous processing (payment/scheduling/workflows), setting up CI/CD and GitOps deployment on AWS Kubernetes, and maintaining/rebuilding legacy systems into modern platforms for reliability and maintainability.…Software Engineer with 4+ years of experience building cloud-based, AI-powered HR technology and connected-device platforms for Vietnamese and U.S. clients. Strong in backend development, full-stack development, system integration, and cross-functional collaboration, with experience leading teams of up to 10 members. Focus areas include designing secure multi-tenant architectures, implementing scalable asynchronous processing (payment/scheduling/workflows), setting up CI/CD and GitOps deployment on AWS Kubernetes, and maintaining/rebuilding legacy systems into modern platforms for reliability and maintainability.

Hao Bui

Back-End Developer, Full Stack Developer, Web Developer

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Software Engineer with 4+ years of experience building cloud-based, AI-powered HR technology and connected-device platforms for Vietnamese and U.S. clients. Strong in backend development, full-stack development, system integration, and cross-functional collaboration, with experience leading teams of up to 10 members. Focus areas include designing secure multi-tenant architectures, implementing scalable asynchronous processing (payment/scheduling/workflows), setting up CI/CD and GitOps deployment on AWS Kubernetes, and maintaining/rebuilding legacy systems into modern platforms for reliability and maintainability.…Software Engineer with 4+ years of experience building cloud-based, AI-powered HR technology and connected-device platforms for Vietnamese and U.S. clients. Strong in backend development, full-stack development, system integration, and cross-functional collaboration, with experience leading teams of up to 10 members. Focus areas include designing secure multi-tenant architectures, implementing scalable asynchronous processing (payment/scheduling/workflows), setting up CI/CD and GitOps deployment on AWS Kubernetes, and maintaining/rebuilding legacy systems into modern platforms for reliability and maintainability.

Available to hire

Software Engineer with 4+ years of experience building cloud-based, AI-powered HR technology and connected-device platforms for Vietnamese and U.S. clients. Strong in backend development, full-stack development, system integration, and cross-functional collaboration, with experience leading teams of up to 10 members.

Focus areas include designing secure multi-tenant architectures, implementing scalable asynchronous processing (payment/scheduling/workflows), setting up CI/CD and GitOps deployment on AWS Kubernetes, and maintaining/rebuilding legacy systems into modern platforms for reliability and maintainability.

Skills

Work Experience

Software Engineer (Team Lead, MCS) at MCS

February 1, 2025 - Present

Team lead for a multi-tenant HR and workforce management platform for a U.S.-based client. The platform supports time and attendance tracking, payroll processing, overtime calculation, payment processing, and core HR operations. Led a 10-member project team across requirements, design, implementation, deployment, and maintenance; translated complex HR/payroll logic into scalable, maintainable software.

Software Engineer (Team Lead, Regimen) at REGIMEN

May 1, 2024 - February 1, 2025

Built and optimized a web-based AI-powered conversational platform enabling users to interact with AI-generated celebrity personas through text conversations, one-on-one video calls, and group video calls. Focused on stable connection quality, security, and user experience, particularly for personal/group video call systems.

Full Stack Software Engineer (ChargeFuze) at CHARGEFUZE

October 1, 2023 - April 1, 2024

Worked on an automated power bank rental system using storage cabinets across the United States. Users rent via QR code or phone number; cabinets unlock and dispense power banks automatically. Implemented rental fee calculation based on actual usage time. Built the automated payment system to ensure accuracy and security, and developed the management system to track each power bank from cabinet departure to return, maintaining availability and efficiency.

Software Engineer at Spartan Dev

October 1, 2023 - Present

Deliver software products for U.S.-based startups. Contribute to requirements analysis, technical design, implementation, deployment, and production support while collaborating with cross-functional teams.

Full Stack Software Engineer (Pricing Tool) at PRICING TOOL

May 1, 2023 - September 1, 2023

Contributed frontend and backend to a pricing calculator system aimed at simplifying cost control products within the VNG Cloud ecosystem by automating customer quotation processes. Integrated three products into the pricing calculator and collaborated with QC, BA, and UI/UX to deliver an efficient solution.

Software Engineer at VNG Cloud

May 1, 2022 - September 1, 2023

Developed cloud-based applications within the VNG Cloud ecosystem. Contributed to full-stack product development and system integration, focusing on simplifying cloud service usage for customers.