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Senior Web Developer (ASP.NET/C#/RESTful)

  • Canada
  • Remote
  • Posted Oct 15, 2026
  • 1 position

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Employment type
Contract
Experience level
Senior · 5+ years
Posting language
English
Working hours
40 hours per week
Seniority
Mid-Senior level
Application method
Direct apply is available

Job summary

Collaborate with stakeholders to assess requirements, estimate work, and design, develop, test, and maintain scalable web applications and services. Troubleshoot defects, support testing and deployments, document technical solutions, and provide guidance to team members.

Job details

5 month remote contract working Atlantic Standard Time Zone Senior Web Developer Responsibilities Collaborate with architects, analysts, and business stakeholders to evaluate enhancement requests and estimate effort. Gather and analyze business requirements and technical specifications. Design, develop, and maintain web applications and services. Create efficient, maintainable, and scalable software solutions. Execute unit and functional testing to ensure solution quality. Support system, integration, and user acceptance testing. Troubleshoot defects and implement corrective actions. Contribute to development standards, best practices, and documentation. Provide technical guidance and support to team members. Participate in deployment planning and implementation activities. Deliverables Technical design and architecture documentation. Developed and enhanced web application components. Unit-tested software with documented outcomes. Defect remediation and testing support documentation. Qualifications Extensive experience developing web applications using ASP.NET, C#, SQL, JavaScript, and related Microsoft technologies. Experience with modern web frameworks and source control/DevOps platforms. Strong database development and optimization experience. Experience with software delivery, configuration management, and deployment processes. Strong testing and quality assurance experience. Ability to mentor and support other developers. Excellent communication and stakeholder engagement skills. Experience estimating effort and reporting project progress. Asset Qualifications Experience developing accessible web applications. Experience developing RESTful or SOAP-based web services. Experience contributing to application architecture and technical design. Experience with government, public-sector, or enterprise digital platforms. ACCESSIBILITY We’re committed to fostering an inclusive, equitable, and accessible workplace where every team member feels valued, respected, and supported, and has the opportunity to reach their full potential. We welcome and encourage applications from people with disabilities. Accommodations are available on request for candidates taking part in all aspects of the selection process. For a confidential inquiry, simply email your recruiter directly or accessibility@fxinnovation.com to make arrangements. If you have questions regarding accessible employment at Ateko please email our Human Resources team at accessibility@fxinnovation.com Ateko Derek Weber - Senior Recruiter derek.weber@ateko.com

What you’ll do

Collaborate with stakeholders to assess requirements, estimate work, and design, develop, test, and maintain scalable web applications and services. Troubleshoot defects, support testing and deployments, document technical solutions, and provide guidance to team members.

Requirements

Requires extensive experience with ASP.NET, C#, SQL, JavaScript, Microsoft technologies, database development, software delivery, deployment, and testing. Candidates should also have strong communication, estimation, progress reporting, and mentoring skills; accessibility, web services, architecture, and public-sector experience are assets.

Listed skills

  • SQL · Preferred
  • Quality assurance · Preferred
  • JavaScript · Preferred
  • C++ · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

  • ASP.NET
  • C#
  • SQL
  • JavaScript
  • Web Application Development
  • RESTful Web Services
  • SOAP Web Services
  • Database Development
  • Database Optimization
  • Software Testing
  • Quality Assurance
  • Technical Design
  • Application Architecture
  • DevOps
  • Configuration Management
  • Effort Estimation

Job areas

  • Software
  • Technology
  • Government & Public Sector