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Software Engineer

Vinh Toan Lieu

Ho Chi Minh City, Vietnam

Email: lieutoan7788a@gmail.com · Phone: +84 386 94 76 75 · GitHub: github.com/lvt17 · LinkedIn: linkedin.com/in/lvt17

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Professional Summary

Software Engineer with a pragmatic, product-minded engineering approach across Full-stack development, system architecture, and cloud infrastructure operations. Proven versatility spanning startup founding (F2C Labs), international remote collaboration (HalalScanr UK), and tech leadership (Livago). Key strengths include deep AI integration (Google Gemini core), architecting multi-gateway payment flows (MoMo, VNPay, Stripe), delivering tailored Logistics CRM/ERP solutions as a Forward Deployed Engineer (FDE), and aggressively optimizing cloud infrastructure costs across GCP, Linux VPS, and Docker CI/CD.

Core Competencies

Core Specialization
Full-stack & Backend Engineering, AI Integration (Gemini Core), System Architecture Design, Logistics CRM/ERP, Payment Gateways (MoMo, VNPay, Stripe), Hospitality PMS
Languages & Frameworks
TypeScript, JavaScript, Java, Python; Next.js, React (Vite), Spring Boot, Nest.js, Express.js, FastAPI, Tailwind CSS
Databases & Caching
PostgreSQL, MongoDB, Redis (Caching, Job Queues), SQL Server
Architecture & Messaging
RESTful APIs, Microservices, Event-Driven (Apache Kafka), Webhook Handling (IPN, Idempotency), Modular Architecture, Security Basics
Cloud & DevOps
Linux VPS, Google Cloud Platform (GCP), Docker, CI/CD pipelines, Cloudflare, Railway, Render, Vercel
Leadership & Delivery
Forward Deployed Engineering (FDE), Infrastructure survey & Technical consulting, Agile/Sprint lead (5-6 member teams), Operational Cost Optimization

Experience

Livago · Software Engineer

09/2026 – Present

Livago PMS & Payment · Hospitality PMS & Universal Payment Engine

Software Engineer & Team Lead · Team of 6 · Full-time Hybrid · 2 platforms

  • Architected and developed the hospitality Property Management System (PMS) and universal payment flow across 2 client platforms.
  • Integrated MoMo and VNPay payment gateways (abstracted payment flows, IPN webhook listeners, transaction reconciliation, and idempotency checks).
  • Co-designed core system architecture, led a 6-member engineering team, and managed milestone progress.
  • Managed deployment and VPS infrastructure, configured CI/CD pipelines, Redis caching, Apache Kafka event streaming, and foundational security hardening.

F2C Labs · Founder & Founding Engineer

08/2026 – Present

F2C Logistics ERP · Custom CRM & ERP for Logistics Enterprise

Founder & Founding Engineer · Part-time / Founder · FDE · Solutions Architect

  • Prospected clients and provided tailored CRM/ERP consulting, focusing on logistics and freight operations.
  • Embedded directly on-site with clients as a Forward Deployed Engineer (FDE) to rapidly bridge operational requirements into actionable technical architecture.
  • Conducted deep-dive surveys of on-premise hardware, network infrastructure, and legacy workflows prior to rollout.
  • Formulated technological strategy, managed engineering talent, and rigorously optimized operational expenditure.

Drive Easy · Vietnamese Driving License (GPLX) Prep & Simulation Platform

Founder & Lead Engineer · Learn driving theory the easy way · Free community tool by F2C Labs

  • Built a free community learning platform featuring the complete 600 official theory questions categorized by chapters with instant scoring and explanation tips.
  • Implemented timed mock examination suites and interactive 120 hazard simulation scenarios to train hazard perception reaction times.
  • Engineered offline practice capabilities allowing learners to review flagged or mistyped questions without active internet connection.

HalalScanr · Software Engineer

01/2026 – Present

HalalScanr B2B AI · B2B AI Platform with Gemini Core & Stripe

Software Engineer · Team of 5 · UK Company · Full-time Remote

  • Built and developed the B2B AI web platform, embedding Google Gemini as the core artificial intelligence reasoning engine.
  • Integrated international recurring billing and payments via Stripe (Stripe Checkout, Subscriptions, and resilient Webhooks).
  • Architected scalable cloud infrastructure on Google Cloud Platform (GCP) using Docker, automated CI/CD pipelines, and reduced cloud costs.
  • Collaborated within an international 5-person team, aligning delivery milestones, proposing optimal architectural patterns, and maintaining production uptime.

Amora AI · Web Developer

08/2025 – 01/2026

Amora Wedding AI · Comprehensive AI Wedding Photo Enhancement Platform

Web Developer · Full-time Remote · 08/2025 – 01/2026

  • Engineered the full-stack web platform for comprehensive AI-driven wedding photo enhancement.
  • Integrated deep AI pipelines into the Express.js backend, orchestrating heavy processing jobs via Redis queues.
  • Optimized cloud operating costs for GPU/CPU compute and high-resolution media bandwidth.
  • Managed deployments, automated CI/CD workflows, monitored system health, and delivered continuous feature upgrades.

Freelancer / Contractor · Full-stack Developer

02/2025 – 08/2025

SME Cloud & Web Solutions · Web Infrastructure & Digital Solutions for SMEs

Full-stack Developer · Freelance / Contractor · 02/2025 – 08/2025

  • Developed complete web applications and scalable digital infrastructure for small and medium businesses.
  • Engaged directly in client consultation, translating business concepts into resilient, high-quality technical architectures.
  • Optimized project costs and ongoing operational budgets while upholding rigorous milestone delivery.
  • Deployed and maintained applications across flexible environments: Linux VPS, GCP, Railway, Render, Vercel, and Cloudflare.

Education

  • University of Transport Ho Chi Minh City (UTH) · Information Technology