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Senior Software Engineer II – C#/.NET, Payments
Location
Canada
Posted
26 days ago
Salary
$100K - $120K / year
Seniority
Senior
Job Description
Senior Software Engineer II – C#/.NET, Payments
Versapay
• Design, develop and implement business logic for Versapay’s core payment gateway and related services using C#, .NET 4.8 and modern .NET Core frameworks • Develop new features, maintain and enhance functionality across different product modules • Implement new features, improve existing functionality, and fix defects in the payment gateway and related applications • Write clean, well‑structured, well‑tested code with a strong focus on long‑term maintainability • Work closely with Product, Design, and other Engineering teams to translate business requirements into technical solutions • Contribute to technical design discussions and help evolve system architecture in collaboration with Senior and Principal Engineers • Identify and reduce technical debt while balancing near‑term delivery with long‑term goals • Support modernization efforts, including the evolution of legacy components toward more modular, service‑oriented designs • Ensure appropriate levels of performance, scalability, resiliency, logging, monitoring, and security • Continuously improve CI/CD pipelines, testing strategies, and operational readiness
Job Requirements
- 5+ years of professional software development experience
- Proficiency in C# and a deep understanding of the .NET platform, data structures, and algorithms
- Experience with Microsoft SQL Server and Postgres, including schema design and transactional systems
- Experience building and supporting backend services, APIs, and data‑driven applications
- Strong understanding of software engineering fundamentals: software architecture design, object‑oriented design, SOLID principles, design patterns, testing, and maintainable architecture
- English proficiency for daily communication within international teams
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