Ubiminds

Senior Full Stack Engineer, .NET

Ubiminds

full-time

Posted on:

Location Type: Remote

Location: Brazil

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Job Level

Senior

Tech Stack

AngularEntity Framework.NETSQL

About the role

  • Build and maintain RESTful APIs and backend services using C#, .NET Core, Entity Framework, and Web API.
  • Apply software architecture patterns like Domain-Driven Design (DDD) and CQRS to build modular and scalable systems.
  • Work directly with SQL Server—designing databases, writing stored procedures, optimizing queries, and tuning performance.
  • Use Entity Framework (EF Core or EF6) for ORM and data access.
  • Write clean, testable, and maintainable code with proper documentation.
  • Take full ownership of testing your own code—unit, integration, and performance testing—as part of a Shift Left / No QA team setup.
  • Collaborate with product managers and other teams to understand requirements and deliver customer-focused features.
  • Use AI development tools (required)—including GitHub Copilot, Claude, or similar—to assist with code generation, refactoring, documentation, and development speed.

Requirements

  • 5+ years of experience in enterprise or SaaS software development.
  • Strong hands-on experience with:
  • C#, .NET Core, Web API
  • Angular or other frontend frameworks.
  • Entity Framework (EF Core or EF6)
  • SQL Server – writing queries, stored procedures, indexing, and performance tuning
  • Solid understanding of object-oriented programming, design patterns, and enterprise architecture.
  • Experience with DDD, CQRS, and clean layering of business logic and data access.
  • Familiarity with multi-threading, asynchronous programming, and system performance tuning.
  • Comfortable with Git and working in a modern development environment (CI/CD, Agile).
  • Strong debugging and troubleshooting skills.
  • Excellent communication skills (written and verbal) in English.
  • Experience working across multiple teams or squads.
  • Required: Active daily use of AI development tools like GitHub Copilot, Claude, or similar in your workflow.
Benefits
  • Work directly with U.S. product engineering teams.
  • Remote-first culture + MacBook provided.
  • English lessons, referral bonuses, tech talks, and continuous learning.
  • Full back-office support: HR, career development, and administrative assistance.
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
C#.NET CoreEntity FrameworkWeb APISQL ServerDomain-Driven DesignCQRSobject-oriented programmingmulti-threadingasynchronous programming
Soft Skills
debuggingtroubleshootingcommunicationcollaborationcustomer-focused