Sr. Fullstack Engineer (.Net)

About Pyyne

Pyyne is a modern technology consultancy engineering the next generation of digital products and services.

At Pyyne, we believe in using technology to unlock business potential, create sustainable growth, and drive forward digital excellence. Our solutions range from advanced Software Engineering, Cloud, and Data & AI solutions.

Job Summary

Pyyne is seeking a Senior Full Stack Engineer with experience with C#/.NET and frontend TypeScript to work as a consultant out of our South American Office. This is a high-impact role for Pyyne as we expand our collaboration with one of our fastest growing North American SaaS clients.

A successful candidate in this role is capable of writing rock solid code, as well as collaborating effectively within dynamic Scrum teams to ensure organizational success.

Key Responsibilities

• Embed within existing client development team and maintain high standards of code quality and development best practices
• Develop, test, and deploy high-quality web applications and services using the .NET stack
• Partner with business analysts to align on requirements, define technical scope, and drive project delivery — proactively manage risks, dependencies, and stakeholder expectations across the team
• Write clean, scalable, and maintainable code following best practices and design patterns (e.g., SOLID principles, Dependency Injection)
• Participate in all phases of the agile development lifecycle, including sprint planning, daily stand-ups, code reviews, and retrospectives
• Troubleshoot, debug, and upgrade existing software to ensure optimal performance and security
• Contribute to technical documentation for new and existing features
• Mentor and support junior and mid level developers on the team

Must Have Skills:

• 5+ years of professional experience as a software engineer
• 2+ years of experience with C#/.NET 8+
• Experience with .NET Framework 4.8
• Experience with Azure cloud
• Experience with SQL Server and Relational Databases
• Experience with TypeScript and frontend web frameworks like Angular
• Strong OOP knowledge

Benefits:

• Flexible remote working environment.
• Career development opportunities in a fast-growing company.

Don’t meet every single requirement? Apply anyway! At our core, we value growth, adaptability, and passion just as much as a checklist of skills. If you are excited about this role and your experience doesn't align perfectly with every tech requirement, we still encourage you to apply. The only non-negotiable for us is fluent English, as you'll be collaborating daily with global teams. If you’ve got the language skills and the drive to learn, you might be exactly who we are looking for to bring a fresh perspective to our team!