Senior Software Engineer
- Newmarket, ON
- On-site
- Posted Sep 11, 2026
- 1 position
$120,000–$140,000 / year
Opens an external site
- Employment type
- Full-time
- Experience level
- Lead · 10+ years
- Apply by
- Oct 10, 2026
- Posting language
- English
- Working hours
- 35 hours per week
- Seniority
- Mid-Senior level
- Application method
- Direct apply is available
Job summary
The role involves owning the full project lifecycle from gathering requirements and designing solutions to building, testing, and supporting applications. The engineer will work closely with business stakeholders to deliver high-impact solutions and manage project timelines.
Job details
Robert Half is exclusively partnered with a well-established organization in Newmarket that is looking to add multiple developers to their team. If you're a developer who enjoys working directly with the business, owning projects from concept through delivery, and building solutions that have a measurable impact on the organization, this could be a great fit. What You'll Be Working On This is not an environment where requirements are handed to you and you're asked to simply write code. Developers are involved throughout the entire project lifecycle, including: Gathering requirements from business stakeholders Producing estimates and technical recommendations Designing solutions Building and testing applications Supporting implementations and enhancements Managing project timelines and priorities You'll have the opportunity to work closely with teams across the business and see the direct impact of your work. Technology Environment C# .NET SQL Server Windows Server Visual Studio Microsoft ecosystem VB.NET (existing applications) Power Apps Dynamics 365 CRM The environment includes large-scale SQL databases containing billions of rows of data and supports critical reporting and rebate management systems. Existing applications are primarily VB.NET, but the team is very open to strong C#/.NET developers who are willing to learn and work with legacy technologies where required. What We're Looking For 8+ years of software development experience Strong architecture and solution design capabilities Experience managing larger projects Ability to mentor junior developers Excellent business-facing communication skills Strong project ownership and stakeholder management experience Why Consider This Opportunity? Stable organization with a long-tenured technology team Significant investment in training and professional development 100% employer-paid benefits RRSP matching up to 6% Annual salary reviews Paid certifications and professional development Free onsite parking Minimal overtime & no on-call rotation 7-hour workday (8:30am - 4:30pm)
What you’ll do
The role involves owning the full project lifecycle from gathering requirements and designing solutions to building, testing, and supporting applications. The engineer will work closely with business stakeholders to deliver high-impact solutions and manage project timelines.
Requirements
Candidates need over 8 years of software development experience with strong architecture and solution design capabilities. Proficiency in C#/.NET and SQL Server is required, along with the ability to mentor junior developers and manage stakeholders.
Benefits
• 100% Employer-paid benefits • RRSP matching up to 6% • Annual salary reviews • Paid certifications and professional development • Free onsite parking
Listed skills
- .NET · Preferred
- Project management · Preferred
- C++ · Preferred
- Requirements gathering · Preferred
- Stakeholder Management · Preferred
Other relevant skills
Identified from the job description. Confirm important requirements above.
- C#
- .NET
- SQL Server
- VB.NET
- Architecture
- Solution Design
- Project Management
- Stakeholder Management
- Mentoring
- Power Apps
- Dynamics 365 CRM
- Requirements Gathering
Job areas
- Software
- Technology
- Engineering
- Manufacturing
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