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Solidity

Senior Fullstack .Net Developer

freeC's Client
Save Job
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Work remote
Hiring 1 people
5 years of experience
Ha Noi & 2 other places
Published 16/10/2025

Why You’ll Love Working Here

Fully-remote working (Vietnam time)
Net salary (PIT will be covered by the company)

Job Description

  • Software Development (Approx. 80%):
  • Maintain and enhance existing features and functionalities within the client’s CRM system.
  • Design, develop, test, and deploy software solutions using the .NET/C# stack and AWS services.
  • Focus on delivering high-quality, efficient, and robust code to meet defined business requirements.
  • Participate in code reviews and contribute to the team's technical standards and best practices.
  • System Support & On-Call (Approx. 20%):
  • Actively participate in the team's rotation for after-hours and weekend support coverage to reduce the burden on the client's US-based team. This includes evening shifts (e.g., M-F 2 PM - 9 PM Eastern time / with some overlap with VN core hours) and weekend coverage (with overtime pay, rate to be confirmed).
  • Monitor the system and quickly troubleshoot and resolve urgent production issues and incidents.
  • Demonstrate high responsiveness and proactivity in addressing urgent client requests and technical challenges.
  • Occasionally join evening calls with the US client for coordination and issue resolution.
  • Collaboration & Communication:
  • Collaborate effectively with cross-functional and geographically dispersed teams.
  • Build and leverage relationships with client-side contacts to facilitate effective technical resolution and project execution.
  • Clearly communicate technical concepts and solutions, both written and verbally, in English.

Required Technical Skills

Candidates must be technically strong with exceptional problem-solving abilities across the full stack:

  • Core .NET: Strong proficiency in .NET (Web) development and C# (5+ years)
  • API Development: Expertise with ASP.NET Web API.
  • Cloud & Infrastructure (AWS): Hands-on experience with AWS Lambdas and a solid understanding of cloud-native development.
  • Databases: Proficiency in SQL, including experience with PostgreSQL and SQL Server.
  • DevOps & Tools: Experience with modern practices and tools such as:
  • Docker
  • Terraform (for Infrastructure as Code)
  • AWS CDK (Cloud Development Kit)
  • GitHub Actions (for CI/CD)
  • Messaging: Experience working with message brokers like Kafka.
  • Software Design: Solid understanding and practical application of various Design Patterns.
  • Fluent English in both verbal and non-verbal skills

Ideal Candidate Profile

  • Mindset: Possesses a strong focus on meeting customer expectations and commitments, understanding that the work is largely maintenance-oriented, focused on improving necessary functionalities, rather than constantly seeking "thrills" in working with new topics.
  • Problem-Solving: An exceptional problem solver who can approach issues creatively and effectively.
  • Adaptability: Highly energetic and thrives in a dynamic, changing environment with evolving priorities.
  • Communication: Reasonably good written and verbal English skills are a must for effective client interaction.
  • Proactivity: Ability to anticipate issues and take initiative, demonstrating a high degree of urgency and responsiveness to customer needs.

Working condition

  • Core Working Hours: 9:00 AM - 6:00 PM Vietnam Time (GMT+7).
  • Support Coverage: Mandatory participation in a team rotation for after-hours and weekend support, including a few hours of overlap with US Eastern Time (e.g., M-F 2 PM - 9 PM Eastern).

Skills

.NET Core
Asp.net Web Api
AWS
Sql

Benefits

  • Fully-remote working (Vietnam time)
  • Net salary (PIT will be covered by the company)

Career

Company Info

freeC
Ho Chi Minh
101-300 employees

About

freeC is the Smart Recruiting Platform that leverages matching technology to actively connect hundred of thousand of employers and job seekers. The success of freeC is determined by our success in operating as a unified team. If you're interesting, ambitious, and eager to advance your career with us, explore our vacancies as below. We're excited to have you on board our ship to help us grow fast, deliver on our mission of actively connecting employers and job seekers around Vietnam

Working Address

Lầu 06, Tòa nhà BCONS TOWER II , Số 42/1, Đường Ung Văn Khiêm, Phường 25, Quận Bình Thạnh, TP. HCMView map