Founder - HSCMPlayed multiple roles including product owner, project manager, scrum master, and tech lead, collaborating with a cross-functional team.Led and coached a team of 5 engineers (backend, frontend, and design) to successfully execute projects.Built internal platforms and tools to support company operations and enhance productivity.

Websites: https://vieclam24h.vnLed the development and launch of a mobile app (backend & infras) & new HR platform (version 3 with new tech stacks, business requirement, infrastructures,...), resulting in improved performance and workflow.Successfully migrated four websites into a single platform (vieclam24h.vn), handling big data and ensuring a seamless transition for 10M candidates, 2M recruiters and about 500 back office members.Build and manage the HR platform for recruiters (https://ntd.vieclam24h.vn), seekers (https://vieclam24h.vn), mobile app (React Native) & internal tools (Admin, CRM - Freshwork, Odoo,...) Tech stacks such as Node (NestJS, React,...), PHP (Phalcon, Laravel,...), Python, Batch, MySQL/MiraDB, Elastic search, Redis/Memcached, RabbitMQ,... Infrastructure such as K8S, Docker Swarm, Docker Compose,...for large users to scalability and system reliability.Collaborated with cross-functional stakeholders (Product, Sales, Marketing) to align engineering efforts with business objectives.Collaborated with vendors such as Freshwork for CRM, Techcombank for Payment, Odoo,...Collaborated with BoD such as planning, OKR/KPI…for business, cost, budget,...Led a team of 30 members (14 engineers, 16 QAs/PM/PO/BA) across two squads (Recruiter & Internal team/squad & Mobile team/squad ), providing mentorship, training, and performance evaluations.

Startup & OutsourcingFounded and managed a startup focused on providing high-quality software solutions and consulting services to optimize corporate operations for clients.Successfully delivered outsourced projects and developed innovative solutions in blockchain, gaming, and business management.Collaborated closely with customers to gather requirements, understand their challenges, and deliver tailored solutions that met their specific needs.

GBM (Global Business Management) PlatformBuilt a translation system (Dictionary) in multiple languages with big data technologies (Docker Swarm, K8S, TiDB, Redis, Google APIs) to automatically translate content from Japanese to English and English to other languages.Built a multi-language translation system enabling automated content translation and improving accessibility for international users.Managed and optimized the GBM platform to support global operations, ensuring seamless integration and performance across different regions.

Global E-commerce WebsiteWebsites: WeBike, Japan WeBikeSpearheaded the development and enhancement of a global e-commerce platform, serving customers across multiple countries.Managed and built the e-commerce website using technologies such as Java, PHP, MySQL, ElasticSearch, Solr, Redis, and Memcached, catering to a large user base worldwide.Collaborated with cross-functional stakeholders (Product, Sales, Marketing) to align engineering efforts with business objectives in Vietnam, Thailand, India, and Japan (BSE support).Led and mentored a team of 12 engineers, fostering a culture of innovation and continuous improvement.

Established and managed a new outsourcing department, overseeing project delivery, resource allocation, and vendor negotiations/quotations.Successfully delivered complex projects for Japanese clients, utilizing PHP and Java technologies.Build outsource & manage team, resource management, project management.Manage the infrastructure of customers (Cloud, Centos, Linux, Ubuntu,...).Led and mentored a team of 16 engineers, including 3 outsource team leads, ensuring project deadlines and quality standards were met.

Big DataBuilt a User Behavior (UB) analytics system using big data to analyze game logs.Provided valuable insights for product and marketing teams through data-driven decision-making.

Promotion PlatformDeveloped and implemented a promotion platform to enhance user engagement and retention.Supported various promotional activities and campaigns, driving increased user interaction and revenue generation.Analyze business requirements and translated them into technical solutions to ensure project success.Conducted code reviews, provided training, and ensured best practices were followed.

Game Integrate SystemBuilt a comprehensive Game Integrated System (GIS) and APIs platform that connected to various game systems.Integrated passport, payment, and account synchronization from Zing ID for all games.Facilitated a seamless gaming experience and efficient management of user accounts across multiple platforms.

Web DevelopmentDeveloped and maintained websites and online games for a leading Vietnamese technology company.Handled high-performance systems and managed big data to ensure seamless operations and user experiences.Highly skilled in system designing, developing, and maintaining complex systems, including Linux server management, LAMP, and LEMP setups.

I have worked for VON company (www.timnhanh.com, http://www.yume.com, http://kiemviec.com it's the https://careerbuilder.vn or https://careerviet.vn now).Build HR platform, Entertainment platform such as timnhanh.vn, xe.timnhanh.vn, amnhac.timnhanh.vnTech stacks are PHP, MysQL, Oracle,..