Java software developer Jobs in Oakville, ON

❓Are you the kind of developer who enjoys diving into complex systems and making them cleaner, faster, and more reliable?

We’re hiring a Senior Delphi Developer to join the engineering team of a well-established cybersecurity software company building specialized security tools used by major financial institutions, payment processors, and telecom providers worldwide. This role offers the opportunity to take ownership of a mature Delphi codebase and contribute to the ongoing evolution and maintenance of platforms that support enterprise security operations.

💻 Who You Are

• A seasoned developer with strong Delphi development experience
• Someone who enjoys untangling complex systems and improving legacy architecture
• Comfortable working with large, mature codebases and multiple product modules
• A developer who takes ownership and enjoys solving deep technical challenges
• Curious and proactive, willing to learn the system inside and out

📍 Work Type

• Location: Mississauga, ON (Hybrid, 3 days per week in office)
• Vacancy Type: This role is a newly created position

Requirements

🎯 What You’ll Do

• Take ownership of a large Delphi codebase powering multiple enterprise products
• Simplify and maintain a complex Delphi IDE installation environment and dependency structure
• Manage and modernize third-party components and external libraries
• Create and maintain installation packages using InstallShield
• Reduce dependency complexity by replacing outdated libraries with native Delphi or Windows APIs
• Support and enhance client-server applications used for enterprise security monitoring
• Maintain shared libraries and components used across multiple products
• Contribute to new features and ongoing improvements to the platform

⭐ What We’re Looking For

• Strong software development experience, including at least 5 years working with Delphi
• Strong experience working with large or mature application codebases
• Experience developing or maintaining Windows-based client applications
• Solid understanding of object-oriented programming principles
• Experience managing or working with third-party libraries and components
• Ability to troubleshoot, debug, and improve complex systems
• Strong problem-solving skills and attention to detail

Nice to have:

• Experience with InstallShield or similar packaging tools
• Exposure to client-server applications
• Familiarity with security or compliance-related software environments

🔥 What Makes This Role Exciting

• Meaningful technical ownership of a complex Delphi codebase that underpins several enterprise applications
• The opportunity to work on security solutions trusted by major global organizations in highly sensitive environments
• Collaboration within a small, experienced engineering team where your contributions are visible and impactful
• The chance to enhance, streamline, and evolve a complex platform, improving maintainability and long-term scalability
• A stable and collaborative organization with long-tenured employees and a strong engineering culture

Benefits

• Base Salary: $100,000 - $120,000
• Paid Time Off: Competitive vacation and personal days to help maintain a healthy work-life balance
• Health & Wellness Benefits: Medical, dental, and vision benefits to support your overall well-being

📩 Ready to Elevate Your Career? Apply Now!

At STACK IT Recruitment, we connect top talent with standout opportunities. If you meet at least 70% of the qualifications, we encourage you to apply for it. We’d love to chat!

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✨ We’re proud to support diversity and inclusion. Need accommodation during the hiring process? Just let us know; we are here to support you!

AI Use Disclosure:

STACK IT uses AI-enhanced tools to support initial candidate screening and interview note analysis. All assessments and hiring decisions remain human-led.