Senior Software Engineer - Full Stack - .NET (Fintech)

TL;DR

Senior Software Engineer (Full Stack .NET): Building and maintaining robust, secure, scalable software solutions for a digital banking platform with an accent on front-end applications, backend APIs, and database performance. Focus on designing scalable APIs, implementing test-driven development, refactoring code, and mentoring junior engineers.

Location: Canada; Toronto, ON Remote

Company

Y Combinator and Bessemer Venture Partner backed FinTech startup providing modern digital banking products including mobile banking, online banking, and conversational AI.

What you will do

• Lead implementation of new features and enhancements on digital banking products.
• Design and develop front-end applications using Angular, React, TypeScript, HTML, and CSS.
• Architect and build scalable, secure APIs supporting new features.
• Identify technical challenges, refactor code, reduce technical debt, and promote best practices.
• Collaborate with cross-functional teams and vendors to deliver projects on time.
• Drive test-driven development and robust testing strategies.
• Mentor junior and mid-level engineers and participate in Agile processes.

Requirements

• 6+ years professional experience in enterprise software development with C# and .NET Core
• 4+ years front-end development with Angular or React, TypeScript, HTML, CSS
• 4+ years SQL experience including query optimization and performance tuning
• Experience designing scalable APIs and integrating third-party SDKs
• Strong knowledge of cloud platforms (AWS, Azure, GCP) and cloud-native practices
• Track record in high-growth or startup environments
• Bachelor’s degree in Computer Science or equivalent

Nice to have

• Experience with transaction processing systems in FinTech
• Experience with user access and permission management
• Familiarity with banking domain and operations

Culture & Benefits

• Fast-paced, collaborative, remote-first culture
• Competitive compensation, stock options, performance bonuses
• 100% coverage of medical, dental, vision premiums (Canada plan for family)
• Retirement plan with 4% company matching
• 8 weeks paid parental leave for birthing parents, 4 weeks for non-birthing
• 3-5 weeks PTO, 5 health days, 15 holidays, end-of-year shutdown