Hello, I'm
Đỗ Vũ Tuấn
Building scalable systems and crafting elegant solutions. Experienced in Backend, Frontend, and DevOps with enterprise clients from Japan, Korea, and Vietnam.
7+
Years Experience
14+
Projects Completed
3
Client Countries
30+
Technologies
About
About Me
Software Engineer with 7+ years of experience
Currently working as a Software Engineer, contributing to Backend, Frontend, and DevOps across diverse domains including management systems, payment processing, booking platforms, healthcare, and third-party integrations with SoftBank, Smaregi, Google, Stripe, and Line.
Experienced as Frontend Team Lead and Backend Team Lead managing projects up to 98MM for Japanese enterprise clients — analyzing specs, proposing solutions, estimating tasks, and mentoring team members through code reviews.
Passionate about building systems in flexible, creative, and professional environments that encourage continuous learning and growth.
Education
University of Technical Education Hung Yen (UTEHY)
2016 - 2020
GPA: 7.9/10
Experience
Experience
My professional journey
Software Engineer
NTQ Solution JSC
Jul 2022 — Present
- Developing projects for enterprise clients from Japan and Korea across multiple industries.
- Backend Team Lead for a 98MM-scale project — global ship tracking and management system.
- Participating in pre-sales: system evaluation, technical proposals, technology selection, and effort estimation.
- Deploying web applications on AWS for Japanese clients; maintaining and upgrading systems.
Software Engineer
Omi Group JSC
Dec 2019 — Jun 2022
- On-job training program to accumulate hands-on development experience.
- Frontend Team Lead for a 35MM project — electronic component manufacturing management system for Japanese client.
- Technical consulting and support across multiple projects using various tech stacks.
- Completed internal training courses: Team Lead, CI/CD, soft skills.
Intern
Elancosoft Hai Duong
May 2018 — Jul 2018
- First exposure to professional development environment using Laravel framework.
- Progressive learning through feature screens with increasing complexity.
- Learned Git, Trello, and Bitbucket for source code and task management.
Projects
Projects
Selected work from my career
Buffet Restaurant Chain
CRM Buffet Poseidon
CRM for receptionists and restaurant managers, centralizing bookings from web, Facebook, Zalo, hotline, and email. Includes branch table maps and real-time booking updates.
Restaurant · Beauty · Spa · Events
Rizacare2 + Repitte
Maintained and upgraded a multi-channel booking platform across web, app, Line, and Google Calendar. Integrated SoftBank, UnivaPay, Stripe, and multiple third-party services.
Booking · Payment
Reserve Kit
Restaurant booking system with VIP ticket privileges, SoftBank Payment integration, Smaregi POS, and Line booking. AWS deployment with metrics alarms and GitHub Actions CI/CD.
Infrastructure · DevOps
E-falcon V3
System architecture design and AWS cloud infrastructure deployment using Terraform + Terragrunt. CI/CD pipeline with ECS & Amplify, CloudWatch monitoring, PostgreSQL optimization with ElastiCache Redis.
Infrastructure · DevOps
E-falcon V2
Infrastructure upgrade from EC2 to ECS Fargate. Implemented Route 53 private zones, CloudWatch Logs/Alarms, CodePipeline CI/CD. Ensured seamless end-user migration with zero downtime.
Infrastructure · Retail
Yolo
Cloud infrastructure optimization for 12 sales and marketing websites across Japan and Vietnam. Automated staging & production provisioning via Terraform/Terragrunt for consistency.
Productivity · Extension
Detec Vi Lang
Chrome Extension & Office Add-in tool for Comtors to detect remaining Vietnamese text in documents before sending them to Japanese clients. Supports Docs, Sheets, Slides, Word, Excel, PowerPoint.
AI · Management
AICC
Security workforce management system (web + mobile). AI-powered employee matching. Flexible scheduling module, availability checks, and performance evaluation across multiple companies.
Enterprise · B2B
Ship Operation Management
Global vessel tracking system for the Japanese marine market. Leaflet & Windy maps real-time integration, alert zones, scheduling, and detailed crew document management.
Platform · B2B
BB Platform
B2B platform connecting security providers and hirers in Japan. Features built-in chat, job postings, and notifications. Published on Web, Android, and iOS stores.
Media · Advertising
VStream
Online video advertising platform. Embedded video scripts, Amivoice speech-to-text integration, and AWS Lambda for M3U8 conversion & auto-subtitles. Auto-scaled on AWS ECS.
Manufacturing · IoT
KKS
Electronic component manufacturing management. Azure AD auth, product tree-view, QR scanning for inventory tracking, and granular action-based permissions system.
Healthcare · Enterprise
Dcc
Internal system for a Japanese eye hospital. Uses ODBC to sync local PostgreSQL to MySQL with encryption. Secure syncing jobs and client-side decrypt functionalities.
Healthcare · Enterprise
Medichart
On-premise insurance health management app. Excel/CSV bulk import, visual health metrics charts (BMI, BS, etc.), and pre-programmed health warning suggestions.
Internal · CRM
Crm
Internal CRM platform managing customers, workforce, and project timelines. Tracks client interactions, reception schedules, and coordinates internal departments.
E-commerce
2018050201_lem
E-commerce platform developed for Iranian clients. Multiple-vendor support allowing users to manage own shops, list products, track inventory, and handle orders.
Tech Stack
Tech Stack
Technologies I work with
Backend
Frontend
Database
DevOps & Cloud
Tools & Others
Contact
Get in Touch
Let's build something great together