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Astra North Infoteck Inc.
Senior.NET Developer - C#, ASP.NET, ASP.NET Core, Web APIs, SQLAstra North Infoteck Inc. • Vancouver, BC, ca
Senior.NET Developer - C#, ASP.NET, ASP.NET Core, Web APIs, SQL

Senior.NET Developer - C#, ASP.NET, ASP.NET Core, Web APIs, SQL

Astra North Infoteck Inc. • Vancouver, BC, ca
12 hours ago
Job type
  • Full-time
Job description

Job Description: Position Title: Senior .NET Developer

Location: Hybrid (2 Days Onsite per Week)

Experience Required: 10+ Years

Position Summary

We are seeking an experienced Senior .NET Developer with 10+ years of software development experience to design, develop, and maintain scalable, secure, and high-performing enterprise applications. The ideal candidate will have strong expertise in C#, ASP.NET, ASP.NET Core, Web APIs, SQL Server, and modern web technologies. This role requires hands-on involvement throughout the full software development lifecycle, from architecture and design through implementation, testing, deployment, and support.

Key Responsibilities

  • Design and implement highly scalable, reliable, and secure enterprise applications and services.
  • Participate in all phases of the software development lifecycle, including requirements gathering, analysis, design, development, testing, deployment, and maintenance.
  • Collaborate with business analysts, QA teams, stakeholders, and development teams to understand business requirements and translate them into technical solutions.
  • Design and develop robust application architecture, ensuring performance, scalability, security, caching, encryption, state management, logging, and error handling.
  • Decompose complex business problems into efficient technical solutions and implement high-quality code.
  • Develop and maintain RESTful APIs and web services using ASP.NET Core and Web API.
  • Perform code reviews and enforce coding standards, best practices, and design principles.
  • Create technical documentation, design specifications, and support materials.
  • Conduct unit testing, integration testing, and system testing to ensure application quality and reliability.
  • Troubleshoot, debug, and optimize application performance using .NET diagnostic and profiling tools.
  • Identify technical risks and proactively recommend mitigation strategies.
  • Participate in effort estimation, sprint planning, and project delivery activities.
  • Mentor junior developers and contribute to the team's technical growth.
  • Recommend system enhancements and process improvements while balancing business and technical requirements.

Technical Skills

Strong experience with:

- C# 4.0+

- -ASP.NET 4.5

- ASP.NET Core

- RESTful Web API Development

Front-end development experience using:

- HTML

- CSS

- JavaScript

- jQuery

- JSON

Strong SQL Server expertise including:

- -T-SQL

- SSRS

- Database Administration

Experience with:

- LINQ

- Entity Framework

Strong understanding of:

- Object-Oriented Programming (OOP)

- Design Patterns

- SOLID Principles

- Secure Coding Practices

  • Experience developing secure and scalable web applications.
  • Knowledge of performance optimization, caching strategies, and application monitoring.
  • Ability to write clean, maintainable, and well-documented code.
  • Experience creating technical design documentation.
  • Experience using .NET profiling and diagnostic tools.
  • Experience writing and maintaining unit tests.

Professional Skills

  • Strong analytical and problem-solving abilities.
  • Excellent communication and collaboration skills.
  • Ability to work independently and within Agile development teams.
  • Strong commitment to quality and continuous improvement.
  • Experience mentoring and supporting junior team members.

Preferred Qualifications

  • Agile/Scrum development experience.
  • Experience with VB.NET.
  • Experience with Knockout.js.
  • Experience with WF (Windows Workflow Foundation).
  • Experience with WCF (Windows Communication Foundation).
  • Experience with WPF (Windows Presentation Foundation).


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Senior.NET Developer - C#, ASP.NET, ASP.NET Core, Web APIs, SQL • Vancouver, BC, ca

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