Full-stack craftsmanship for ambitious products

I architect resilient cloud-native platforms, elevate front-end experiences, and mentor teams to ship delightful user outcomes.

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About me

I build and scale digital startups from zero-to-one—owning product vision, architecture, and the day-to-day operations that keep mission-critical platforms online.

  • ✓ 9+ years of professional experience delivering robust digital solutions across fintech, eCommerce, and enterprise platforms.
  • ✓ Leading Dibee from concept to nationwide launch, balancing product ownership with hands-on full-stack delivery.
  • ✓ Specialist in complex bank, payment, and third-party integrations backed by resilient microservices and event-driven workflows.
  • ✓ Trusted to mentor teams, run sprints, and respond instantly to high-priority incidents across cloud infrastructure.
Startup Builder Integration Lead Technical Operations

Preferred toolset

.NET 6+ C# Angular Node.js Flutter MSSQL Redis Elasticsearch AWS Terraform Docker Kubernetes Azure DevOps CI/CD

Recent focus

Cloud operations: orchestrating AWS infrastructure, IaC, observability, and CI/CD pipelines for 24/7 availability.

Product collaboration: partnering with founders, banks, and vendors to design secure payment experiences that move fast without breaking.

Doanh Nguyen
10
Websites
20
Satisfied Clients
25
Projects

My work

I have worked on a lot of of projects so I have picked only the latest for you.

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Penetrace Project

Penetrace is all-in-one marketing intelligence platform
I was responsible for development on web application. I take responsibility to implement a module provides guided tours of web. Handling customer requirements on dashboard.

My role and responsibilities were as follows:
● Participate in maintaining and developing new requests.
● Maintain project and fixing bugs.

Project Technologies Utilized:
● AngularJS, HTML&CSS, SASS, Bootstrap
● Angular 4, Material Design
● Angular NGRX/Store

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Espos Project

Norway's largest suppliers and payment solutions
Norway’s no.1 cashless solution for over 12 years.
ESPOS is a company that provides payment devices and electronic payment services. They offer cashless solutions for most festivals and concert in Norway for over a decade. Seeing the demands on cashless solutions, ESPOS expands into other areas, such as canteens where cards are used as internal payment for better security and convenience.
After their collabration with CXS in Singapore and Malaysia, they see the potential for a Southest Asia expansion, and bring in the ESPOS payment devices. Soon enough, ePayments in ESPOS office is also considered as another advancement for cashless solutions.

My role and responsibilities were as follows:
● Participate in maintaining and developing new requests.
● Maintain project and fixing bugs.

Project Technologies Utilized:
● Xamarin Forms
● .NET, ASP.NET Core WebAPI, Angular 4, Razor Pages
● Payment Gateway and services

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Dibee Project

Fleet Fuel Management and Payment Solution
A user-friendly platform for managing fleet fueling, toll payments, and working capital in real time.
Dibee empowers enterprises to control spend, automate workflows, and deliver cashless experiences to every driver.

My role and responsibilities were as follows:
● Founding engineer turned product owner, steering roadmap, delivery, and launch readiness.
● Architected microservices and data pipelines powering payments, fleet telemetry, and compliance.
● Led end-to-end integrations with banks, e-invoice providers, toll networks, GPS vendors, and fuel merchants.
● Operated AWS infrastructure, IaC, CI/CD, and observability to guarantee uptime and rapid incident response.
● Managed internal squads and vendor teams, mentoring developers and enforcing code quality standards.
● Coordinated with founders, enterprise clients, and regulators to design secure payment flows.

Project Technologies Utilized:
● .NET 6+, .NET Framework, Angular, Flutter, Node.js, MSSQL, Redis, Elasticsearch
● Microservices, CQRS, RabbitMQ, Terraform, AWS (S3, EC2, Lambda, VPC, CloudWatch, Grafana)
● Azure DevOps, Git Flow, Docker, Kubernetes, Cloudflare DNS & WAF, automated logging & alerting

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Kollekt Project

A digital tool for fashion teams to collaborate on new collections
A digital tool for fashion teams to collaborate on new collections.

My role and responsibilities were as follows:
● Participated in maintaining and developing new requests side by side with founders team
● Accountable for take up ideas and discuss about new features
● Planing for new database structure, code base
● Integrate with other ecommerce platforms (Shopify, Sirup.dk, Google Merchant Center, ...)
● Manage code quality, code review, planning and assigning task

Project Technologies Utilized:
● ASP.NET Core, MYSQL, AWS infrastructure, Redis, CQRS
● Web Api, Entity Framework
● Github, CICD pipeline, Kubernetes

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po4wood Project

Wood Ecommerce Solution
Projects Technologies Utilized:
● .NET MVC, .NET Core
● Ionic, Angular 4

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