Principal .NET Developer Engineer

Principal Full Stack .NET Engineer
Location: Hybrid in Phoenix
Type: Full time

About the Role

We are looking for a Principal Full Stack .NET Engineer to join our dynamic team. This role requires a highly experienced engineer who has designed, developed, and maintained customer-facing cloud-based applications. You will play a key role in architecting scalable solutions while mentoring junior developers and translating business requirements into actionable development tasks.

Our engineering team works on a diverse range of projects, including:

• Global Markets
• Foreign Exchange Platforms
• Deposits & Payments
• Virtual Account Management
• Dispute Management
• Open Banking Integrations (e.g., Venmo, Zelle, Plaid)
• Merchant Services

With 11 major projects in the pipeline, this is an exciting opportunity to work on innovative financial technology solutions.

What You’ll Do

• Design, develop, and maintain full-stack cloud applications using .NET and modern JavaScript frameworks.
• Lead development efforts and provide technical mentorship to junior engineers.
• Architect and implement scalable, high-performance systems with a focus on security and compliance.
• Collaborate with business stakeholders, architects, and developers to define technical solutions and project roadmaps.
• Ensure best practices in software development, including code reviews, performance optimization, and cloud-native development.
• Troubleshoot and optimize existing applications while contributing to modernization efforts.

What You’ll Need (Required Skills)

• Expert-level experience in .NET and C# development
• Frontend experience with JavaScript frameworks (Angular, React, Vue, or Blazor – team uses Angular & Blazor)
• Azure cloud experience, including Azure DevOps and Azure Data Factory
• Microservices architecture and strong API development skills
• SQL Server database experience (query optimization, stored procedures)
• Experience working with SaaS applications
• Strong background in software architecture and middleware

Bonus Skills (Nice to Have)

• Experience with MuleSoft
• Prior experience with FIS products
• Banking or financial services experience

Why Join Us?

• Be part of a high-impact team working on innovative financial solutions.
• Lead technical projects and mentor a growing engineering team.
• Work on cutting-edge cloud technologies and modernize legacy systems.
• Enjoy a collaborative, fast-paced, and rewarding environment.