// software engineer — thu duc, ho chi minh city

NGUYENTHANHTIEN_|

ERP whispererC# → Java, why not bothships to production

2+ years turning messy business requirements into enterprise ERP add-ons and web apps that survive real users. Comfortable owning the whole ride — requirements, design, database, deployment, and the production support that follows.

years experience

SAP B1 add-ons shipped

10+

factory apps maintained

database platforms

SELECTED WORK

FULL-STACK12/2025 — present

SMARTIS Portal

Centralized internal web portal that streamlines business operations — core management modules for Employees, Projects, Clients and Project Licenses on a layered .NET backend.

Next.jsTailwind CSS.NET Core 8EFSQL Server

ERP / SAP08/2024 — present

SAP B1 Add-on Suite

Five enterprise add-ons built single-handedly from the ground up plus two enhanced — automating ERP workflows with the SAP B1 SDK (DI/UI API) on SQL Server and SAP HANA.

C#WinFormsSAP B1 SDKSQL ServerSAP HANA

FREELANCE02/2026 — 04/2026

KhetQR

QR-code scanning & management platform serving admin and client users — production defect fixes and new features delivered on a live codebase, in parallel with a full-time role.

Laravel (PHP)PostgreSQL

WHERE I'VE BEEN

SMARTIS Solution Consulting

Developer / Technical Consultant

08/2024 — PRESENT

→Built 5 SAP Business One add-ons from the ground up and enhanced 2 existing ones — automating enterprise ERP workflows.
→Translate client requirements into technical designs and system architectures for customized ERP solutions.
→Design UDT/UDF/UDO structures and optimize queries on SQL Server & SAP HANA.
→Own deployment, integration and post-implementation support directly with client IT teams.

Schneider Electric

Developer — Digital Transformation

11/2023 — 05/2024

→Maintained and enhanced 10+ internal factory applications across multiple departments.
→Built web applications with ASP.NET Core MVC and SQL Server to automate internal processes.
→Partnered with business users to deliver digital-transformation solutions that cut manual processing time.

THE TOOLBOX

## Languages

C#JavaSQLJavaScript / TypeScriptDart (Flutter)

## Backend & ERP

.NET Core.NET FrameworkSpring BootSAP B1 SDK (DI/UI API)Entity Framework

## Databases

SQL ServerSAP HANAPostgreSQL

## Frontend & Tools

Next.jsTailwind CSSGit (GitHub, GitLab)Azure DevOps

B.Sc. Information Technology — University of Transport and Communications, HCMC Campus (2019 — 2023)

// got a project? a job? a wild idea?

TIEN.NTT1907@GMAIL.COM

LinkedIn ↗0373 817 499