Jobs in Rio De Janeiro, United States

About the Role StaffingAbroad is seeking a Principal Backend Engineer / Senior Software Engineer to join a #1 US-based FinTech & Crypto company. This role is ideal for a highly skilled backend developer who excels in C# / .NET and has a strong focus on writing maintainable, scalable, and secure code. You will play a key role in shaping architecture, ensuring system performance, and embedding best practices while working in a fast-paced and innovative environment.

This is a 100% remote, full-time role. Salary $5,000USD to $7,000 USD.

Develop and Maintain Applications: Build, enhance, and maintain secure, scalable backend services using C# / .NET and integrate with APIs like Plaid, Dwolla, and Treasury Prime.

Shape System Architecture: Contribute to system design, ensuring performance, scalability, and security across FinTech applications.

Write Quality Code: Implement and test maintainable, well-documented code, with a focus on automation and software best practices.

Support Production Systems: Monitor and troubleshoot production applications to ensure high availability and quick issue resolution.

Collaborate Across Teams: Work closely with front-end, QA, product, and IT teams, while mentoring junior engineers.

Focus on Security and Compliance: Embed security best practices and maintain compliance with FinTech regulations.

Strong Technical Expertise:

Solid foundation in design patterns, software development best practices, and principles like SOLID and Clean Code.

Proficiency in C# / .NET, ASP.NET MVC / WebAPI, and Object-Relational Mappers (ORMs).

Strong understanding of MSSQL database design and optimization.

Familiarity with asynchronous microservices architecture and distributed systems.

Experience with modern front-end and server-side technologies such as Node.js and React.

Commitment to Software Quality:

Hands-on experience with unit testing, mocking, integration testing, and ensuring code coverage.

Familiarity with CI / CD pipelines, particularly in Azure DevOps.

Proficient in version control systems, especially Git.

Experience and Education:

6+ years of back-end software development experience.

Bachelor’s degree in Computer Science or a related field (preferred).

Collaboration and Communication:

Excellent written and verbal communication skills.

Ability to work effectively with team members and stakeholders.

Enthusiasm for contributing to a collaborative, dynamic team environment.

Cultural Fit:

Passion for innovation, accountability, and teamwork.

Alignment with a culture that prioritizes excellence in FinTech and Crypto solutions.

Experience with iDesign architecture methodology.

Familiarity with cloud platforms such as Azure, including their tools and services.