Senior Software Engineer, Backend

Summary

Join Plenty of Fish, a leading online dating platform, as a Senior Backend Engineer. You will play a key role in designing and building the backend systems that support millions of users globally. This position requires a collaborative approach, working with passionate engineers in a fast-paced environment. You will own decisions related to system quality, reliability, and performance, and contribute to the evolution of our technical direction. The role involves building high-performance applications, developing RESTful APIs, and working with various technologies. Plenty of Fish offers a hybrid work model and a comprehensive benefits package.

Requirements

• 5+ years of professional experience in backend development using .NET / .NET Core with C#
• Hands-on experience designing and building microservices and backend applications at scale
• Strong experience developing RESTful APIs
• Solid understanding of relational databases such as MS SQL, PostgreSQL
• Experience building event-driven systems using Kafka or similar message queues
• Ability to design, architect, test, debug, and document clean, maintainable code
• Familiarity with design patterns, architectural principles, and best practices for scalable systems
• Skills in test-driven development (TDD) and creating unit and integration tests
• Experience being security-conscious, with an understanding of data protection and best practices for safeguarding confidential information

Responsibilities

• Own decisions related to feature- or system-level quality, reliability, efficiency, and performance
• Design and build high-performance, highly-available, and mission-critical backend applications
• Demonstrate sound engineering judgment and apply best practices throughout the development lifecycle
• Understand our current technology stack and contribute to the evolution of our future technical direction
• Build tools and automation that improve observability, scalability, and serviceability of systems
• Collaborate effectively with cross-functional teams—sharing knowledge, facilitating learning, and contributing to a culture of constant improvement

Benefits

• We're recognized as one of BC's Top Employers 2025 !
• Generous vacation, flex days, professional development days
• RRSP matching, and employee stock purchase plan
• Professional development budget and unlimited access to Udemy from day one
• Match Group mentorship program
• Parental leave top up and fertility preservation benefits
• Extended health & dental benefits from day one
• Corporate ClassPass membership and other wellness benefits