Senior Full Stack .NET Engineer

United States Digital Space LLC; Singapore; On-site; 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

Brief Summary

We are seeking a skilled software engineering professional for a hybrid role who will play a critical part in designing and maintaining full-stack applications. This position requires collaboration with multiple teams to ensure robust software solutions.

Responsibilities

• Design, develop, test, and maintain full-stack applications utilizing .NET / C# and modern web technologies.
• Build and sustain APIs, services, integrations, and user interfaces, ensuring the presence of data-driven features.
• Collaborate with stakeholders to clarify requirements and translate backlog items into actionable technical solutions.
• Engage with architectural and engineering leads on design, implementation approaches, and risk assessments.
• Write clean, maintainable, and testable code that adheres to engineering standards.
• Conduct code reviews, providing constructive feedback to enhance code quality and performance.
• Investigate and resolve production defects and performance issues.
• Contribute to root cause analysis following production incidents and suggest corrective actions.
• Document critical technical decisions and support procedures for future reference.
• Mentor junior engineers through technical guidance and code reviews.

Requirements

• A degree in Computer Science, Engineering, or a closely related field.
• Minimum of 5 years of hands-on software development experience, particularly with .NET / C# and ASP.NET Core.
• Proficient in frontend development, particularly with Angular, and familiarity with modern JavaScript frameworks (e.g., React, Vue.js) is advantageous.
• Solid understanding of software design patterns, object-oriented programming, and secure coding practices.
• Experienced with relational databases, particularly SQL Server, and familiarity with PostgreSQL or MySQL is beneficial.
• Proficiency in using Git-based workflows and CI/CD practices.
• Ability to troubleshoot complex application issues across various environments.
• Strong ownership mindset and commitment to supporting production environments.

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