Senior .NET Developer

Scalable Systems — Canada · Posted ~2 hours ago

Senior Contract Hybrid

Skills

C# ASP.NET ASP.NET Core Web APIs SQL Server software development lifecycle enterprise application development scalable systems secure application development .NET Web API

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Summary ✨ AI‑Generated

A senior .NET engineering role for building scalable, secure, high-performance enterprise applications and services. You will contribute throughout the full software lifecycle, from requirements and architecture through implementation, testing, deployment, and ongoing support. Strong C#, ASP.NET/Core, Web API, and SQL Server expertise is expected, along with extensive professional software development experience.

Highlights

Senior-level opportunity focused on scalable, secure enterprise applications, with hands-on ownership across architecture, development, testing, deployment, and support. Hybrid work provides a mix of onsite collaboration and flexibility.

Description

.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 4.5ASP.NET CoreRESTful Web API Development Front-end development experience using: HTMLCSSJavaScriptjQueryJSON Strong SQL Server expertise including: T-SQLSSRSDatabase Administration Experience with: LINQEntity Framework Strong understanding of: Object-Oriented Programming (OOP)Design PatternsSOLID PrinciplesSecure 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: 437-292-5839 Email: ranjeet.kumar@scalable-systems.com