Senior Full Stack Developer in Mississauga

Senior Full Stack Developer in Mississauga

Mississauga Full-Time 110000 - 120000 $ / year (est.) Hybrid
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At a Glance

  • Tasks: Design and develop full-stack web applications using modern technologies.
  • Company: Join a dynamic engineering team at a leading tech company.
  • Benefits: Competitive salary, hybrid work, flex time, and strong benefits.
  • Other info: Collaborative environment with opportunities for mentorship and growth.
  • Why this job: Shape meaningful products and tackle exciting technical challenges.
  • Qualifications: 5+ years of software development experience with a full-stack background.

The predicted salary is between 110000 - 120000 $ per year.

We're looking for a talented and experienced Senior Full Stack Developer to join our growing engineering team. This isn't just another job, it's a chance to work on meaningful products, tackle interesting technical challenges, and genuinely shape the direction of our software. You'll be working across the full stack, from classic web technologies to modern cloud-native architectures, so breadth and adaptability are key.

If you're someone who loves solving hard problems, takes pride in clean and maintainable code, and thrives in a collaborative environment, we'd love to hear from you.

Duties include but are not limited to:

  • Design, develop, and maintain full-stack web applications using a modern .NET-based technology stack
  • Work with Classic ASP codebases β€” maintaining, refactoring, and migrating legacy systems where appropriate
  • Build rich, responsive user interfaces using Blazor (WebAssembly and/or Server)
  • Develop and maintain RESTful APIs and backend services using .NET Core
  • Write efficient, well-structured database queries and manage schemas in SQL Server/Azure SQL
  • Architect and implement Azure Microservices to support scalable, resilient application design
  • Collaborate closely with product, design, and other engineering stakeholders throughout the development lifecycle
  • Participate in code reviews, technical discussions, and contribute to setting engineering standards
  • Mentor junior developers and share knowledge across the team
  • Troubleshoot production issues and own resolution end-to-end

About You

  • 5+ years of professional software development experience, with a strong full-stack background
  • Comfortable navigating both legacy codebases and modern architectures without losing your mind (or your sense of humour)
  • Strong communication skills, you can explain technical decisions to non-technical stakeholders
  • A collaborative, team-first attitude. We build things together here
  • Self-motivated and ownership-oriented, you see things through to completion
  • Curiosity and a commitment to continuous learning

About the Job

  • Competitive salary, $110,000 to $120,000/year
  • Hybrid - 3 days a week in Bolton
  • Working with a great leader
  • Flex Time and strong benefits

Senior Full Stack Developer in Mississauga employer: LRO Staffing

LRO Staffing is an exceptional employer that values the expertise of its Senior Business Analysts by providing a collaborative work environment in the heart of Ottawa. With a strong focus on professional development, employees are encouraged to grow their skills through engaging projects and direct interaction with senior management and stakeholders. The company fosters a culture of inclusivity and innovation, making it an ideal place for those seeking meaningful and rewarding employment in the public sector.

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Contact Details:

LRO Staffing Recruitment Team

We think you need these skills to ace Senior Full Stack Developer in Mississauga

.NET
Classic ASP
Blazor
RESTful APIs
.NET Core
SQL Server
Azure SQL