Senior Full-Stack .NET Developer for APIs & UI

EXASOFT CONSULTING PTE. LTD.; Singapore; On-site; SGD 100,000 - 156,000; Full time

Job summary

EXASOFT CONSULTING PTE. LTD. in Singapore seeks a senior full-stack .NET developer to design, build, and maintain scalable enterprise applications. You will work across C#, .NET Core, ASP.NET Core, and front-end frameworks, collaborating with analysts and DevOps, while mentoring junior engineers to improve code quality.

You will contribute to RESTful APIs, microservices, SQL Server optimization, and secure architecture within an Agile team, driving delivery and technical excellence.

Qualifications

• Bachelor’s degree in Computer Science, IT, Engineering, or a related discipline.
• 6+ years of professional experience in Full Stack .NET development.
• Hands-on expertise in C#, .NET Core, ASP.NET Core, and Web API.
• Experience in developing REST APIs and microservices.
• Hands-on experience with Angular or React, including JavaScript, TypeScript, HTML, and CSS.
• Experience in SQL Server, database design, complex queries, stored procedures, and performance optimization.
• Experience with Entity Framework / EF Core.
• Experience with OOP, SOLID principles, design patterns, and clean architecture.
• Experience with Git, CI/CD, and Agile/Scrum development practices.
• Experience in cloud platforms such as Azure or AWS.
• Experience in Docker, Kubernetes, and DevOps practices is preferred.
• Experience with application security, authentication, authorization, and API security is an advantage.
• Experience in troubleshooting and debugging complex issues.
• Experience with SDLC and enterprise app development.
• Strong communication and collaboration skills with technical and business teams.
• Ability to work independently and mentor junior developers.

Responsibilities

• Design, develop, and maintain scalable web applications using C#, .NET Core, and ASP.NET Core.
• Develop RESTful APIs, Web APIs, and microservices for enterprise apps.
• Build front-ends with Angular or React (JS/TS/HTML/CSS).
• Develop and optimize SQL Server databases with complex queries, stored procedures, and views.
• Apply OOP, SOLID, patterns, and clean architecture principles.
• Develop integrations with internal systems and external APIs.
• Perform code reviews and enforce standards, security, and best practices.
• Conduct unit testing, debugging, and performance tuning.
• Analyze and resolve complex technical and production issues.
• Participate in design discussions, solution architecture, and development discussions.
• Collaborate with Business Analysts, QA, DevOps, PMs, and stakeholders.
• Support deployment, release management, production implementation, and post‑deployment tasks.
• Contribute to CI/CD pipelines and automated builds for deployment.
• Work with Git and Agile/Scrum throughout the lifecycle.
• Mentor junior developers and provide technical guidance.
• Identify opportunities to improve performance, reliability, and maintainability.

Skills

Full stack development

Team collaboration

Code reviews

Troubleshooting

Mentoring juniors

Education

Bachelor's degree in CS/IT/Engineering

Tools

C#

.NET Core

ASP.NET Core

Web API

Angular

React

JavaScript

TypeScript

HTML

CSS

SQL Server

Entity Framework / EF Core

Git

CI/CD

Azure

AWS

Docker

Kubernetes

Job description

EXASOFT CONSULTING PTE. LTD. in Singapore seeks a senior full-stack .NET developer to design, build, and maintain scalable enterprise applications. You will work across C#, .NET Core, ASP.NET Core, and front-end frameworks, collaborating with analysts and DevOps, while mentoring junior engineers to improve code quality.

You will contribute to RESTful APIs, microservices, SQL Server optimization, and secure architecture within an Agile team, driving delivery and technical excellence.