Senior Backend Engineer (C#/.NET) - FinTech & Crypto

staffingabroad • Brazil
Remote
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AI Summary

StaffingAbroad seeks a Senior Backend Engineer for a leading US FinTech & Crypto company. The role involves developing scalable, secure C#/.NET services, shaping architecture, and ensuring system performance. Requires 6+ years of experience, strong C#/.NET proficiency, and excellent communication skills for a 100% remote, full-time position.

Key Highlights
100% remote, full-time role
Focus on C#/.NET development for FinTech & Crypto
Key role in shaping architecture and ensuring system performance
Key Responsibilities
Build, enhance, and maintain secure, scalable backend services using C#/.NET and integrate with APIs like Plaid, Dwolla, and Treasury Prime.
Contribute to system design, ensuring performance, scalability, and security across FinTech applications.
Implement and test maintainable, well-documented code, with a focus on automation and software best practices.
Monitor and troubleshoot production applications to ensure high availability and quick issue resolution.
Work closely with front-end, QA, product, and IT teams, while mentoring junior engineers.
Embed security best practices and maintain compliance with FinTech regulations.
Technical Skills Required
C# .NET ASP.NET MVC ASP.NET WebAPI Object-Relational Mappers (ORMs) MSSQL Node.js React Git Azure DevOps
Benefits & Perks
$5000-$6000 USD monthly salary
100% remote
Nice to Have
Experience with iDesign architecture methodology
Familiarity with cloud platforms such as Azure, including their tools and services

Job Description


About the Role

StaffingAbroad is seeking a Senior 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 $6.000 USD

English C1 required


What You Will Do

  • 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.


What You Will Need

  • 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.


Plusses Include

  • Experience with iDesign architecture methodology.
  • Familiarity with cloud platforms such as Azure, including their tools and services.


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