Experienced Backend Developer C#/.NET

Our client is a global software development leader specializing in high-scale data synchronization and revenue-critical workflows. They are seeking a motivated Senior Backend Developer to join their engineering team. In this role, you will help evolve a mature, enterprise-grade platform that powers the relationship engines of some of the world’s largest and most complex organizations.

You are an engineer who thrives on ownership, brings clarity to complex problems, and values a collaborative environment where continuous learning is part of the daily rhythm.

WHAT YOU WILL BE DOING
Reporting to the Engineering Manager, you will design, build, and maintain the backend services that power the core synchronization platform. You will:

Build & Maintain: Develop reliable, well-tested code for a core platform handling massive data volumes.

Solve Complex Problems: Tackle performance, scalability, and data consistency challenges head-on.

Collaborate: Work cross-functionally with Product, QA, and customer-facing teams to resolve real-world enterprise issues.

Mentor & Lead: Raise the technical bar through thoughtful code reviews, mentoring, and pragmatic decision-making.

Modernize: Contribute to ongoing architectural cleanups and platform upgrades to ensure long-term system health.

WHAT YOU BRING TO THE TABLE
4+ years of professional experience building backend systems using C#/.NET.

System Design: Strong fundamentals in OOP and experience working with data-heavy, distributed systems.

Production Savvy: Experience debugging and operating production systems at scale (not just building greenfield projects).

Technical Stack: Comfort working with APIs, complex databases, and distributed services.

Communication: Ability to explain technical tradeoffs to both technical and non-technical stakeholders.

Bonus Points For:

Experience with modern .NET versions (.NET 6/8+).

Ownership of CI/CD pipelines.

Exposure to large-scale data sync or CRM integration platforms.

CORE COMPETENCIES
Integrity & Accountability: Taking full ownership of decisions and navigating organizational dynamics with honesty.

Design Thinking: Using creative, customer-centered approaches to solve complex architectural problems.

Operational Excellence: Ensuring activities are coordinated, efficient, and focused on strategic objectives.

Innovation: Fostering an environment where experimentation and new ideas can thrive.

ABOUT THE COMPANY
Our client is a established software provider with a global footprint, known for their "Relationship Engine" that creates seamless data flows between enterprise applications (Email, CRM, Calendars). They offer a culture where curiosity is rewarded and diversity, equity, and inclusion are at the forefront of their operations.

COMPENSATION & BENEFITS
Competitive salary with RRSP/TFSA matching.

3 weeks of paid vacation to start.

Paid Wellness Time for mental health and personal needs.

Paid time off to volunteer with charities of your choice.

Comprehensive extended health, dental, and life insurance.

Professional development allowance for career advancement.

Advantages
THE OPPORTUNITY
Our client is a global software development leader specializing in high-scale data synchronization and revenue-critical workflows. They are seeking a motivated Senior Backend Developer to join their engineering team. In this role, you will help evolve a mature, enterprise-grade platform that powers the relationship engines of some of the world’s largest and most complex organizations.

You are an engineer who thrives on ownership, brings clarity to complex problems, and values a collaborative environment where continuous learning is part of the daily rhythm

Responsibilities
WHAT YOU WILL BE DOING
Reporting to the Engineering Manager, you will design, build, and maintain the backend services that power the core synchronization platform. You will:

Build & Maintain: Develop reliable, well-tested code for a core platform handling massive data volumes.

Solve Complex Problems: Tackle performance, scalability, and data consistency challenges head-on.

Collaborate: Work cross-functionally with Product, QA, and customer-facing teams to resolve real-world enterprise issues.

Mentor & Lead: Raise the technical bar through thoughtful code reviews, mentoring, and pragmatic decision-making.

Modernize: Contribute to ongoing architectural cleanups and platform upgrades to ensure long-term system health.

Qualifications
WHAT YOU BRING TO THE TABLE
4+ years of professional experience building backend systems using C#/.NET.

System Design: Strong fundamentals in OOP and experience working with data-heavy, distributed systems.

Production Savvy: Experience debugging and operating production systems at scale (not just building greenfield projects).

Technical Stack: Comfort working with APIs, complex databases, and distributed services.

Communication: Ability to explain technical tradeoffs to both technical and non-technical stakeholders.

Bonus Points For:

Experience with modern .NET versions (.NET 6/8+).

Ownership of CI/CD pipelines.

Exposure to large-scale data sync or CRM integration platforms.

CORE COMPETENCIES
Integrity & Accountability: Taking full ownership of decisions and navigating organizational dynamics with honesty.

Design Thinking: Using creative, customer-centered approaches to solve complex architectural problems.

Operational Excellence: Ensuring activities are coordinated, efficient, and focused on strategic objectives.

Innovation: Fostering an environment where experimentation and new ideas can thrive.

Summary
COMPENSATION & BENEFITS
Competitive salary with RRSP/TFSA matching.

3 weeks of paid vacation to start.

Paid Wellness Time for mental health and personal needs.

Paid time off to volunteer with charities of your choice.

Comprehensive extended health, dental, and life insurance.

Professional development allowance for career advancement.

Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.

Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to accessibility@randstad.ca to ensure their ability to fully participate in the interview process.