Sr .NET Developer

Location: Vancouver, BC-Hybrid (2 Days Onsite per Week)

Long Time Contract

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

Solid 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).
- Best Regards,

Ranjeet Kumar | Talent Acquisition Specialist

Scalable Systems | Your Data & AI Partner

Phone: (phone hidden)

Email: [email protected]

📌 Sr .NET Developer (Vancouver)
🏢 Scalable Systems
📍 Vancouver