Senior .NET Full-Stack Engineer — Hybrid, APIs & UI

United States Digital Space LLC; Singapore; Hybrid; SGD 90,000 - 150,000; Full time

Job summary

United States Digital Space LLC is seeking a skilled software engineering professional for a hybrid role to design and maintain robust full-stack applications using .NET / C# and modern web technologies, collaborating with multiple teams.

Responsibilities include building APIs and services, ensuring data-driven features, mentoring juniors, reviewing code, resolving production issues, and documenting key technical decisions to support future work.

Qualifications

• Degree in Computer Science, Engineering, or related field.
• Minimum 5 years hands-on software development with .NET/C# and ASP.NET Core.
• Frontend proficiency in Angular; knowledge of React or Vue is a plus.
• Solid OO design, patterns, and secure coding practices.

Responsibilities

• Design, develop, test, and maintain full-stack applications using .NET/C# and modern web tech.
• Build and maintain APIs, services, integrations, and UIs with data-driven features.
• Clarify requirements with stakeholders and translate backlog into action.
• Review architecture with leads and assess design approaches and risks.
• Write clean, testable code and adhere to engineering standards.
• Conduct code reviews and mentor junior engineers.
• Investigate production defects and performance issues; perform root-cause analysis.
• Document critical technical decisions and support procedures.
• Support production environments with strong ownership mindset.

Skills

NET / C#

Angular

React/Vue.js

Git workflows

CI/CD

OO design

secure coding

Education

Bachelor's in CS or related field

Tools

SQL Server

PostgreSQL

MySQL

ASP.NET Core

Job description

United States Digital Space LLC is seeking a skilled software engineering professional for a hybrid role to design and maintain robust full-stack applications using .NET / C# and modern web technologies, collaborating with multiple teams.

Responsibilities include building APIs and services, ensuring data-driven features, mentoring juniors, reviewing code, resolving production issues, and documenting key technical decisions to support future work.