Backend API Developer

Job Title: Ssr. Backend Engineer (.NET / AWS)
Location: Mexico

About the Role

We are looking for a Semi Senior Backend Engineer with 3+ years of experience to join a dedicated product team working on a full product redesign. This role will focus on building a modern, modular API layer using cloud-native technologies and scalable backend services. The ideal candidate will be comfortable working in Agile environments, contributing to clean architecture, code reviews, and high-quality deliverables. This opportunity is open only to candidates based in Mexico who can communicate effectively in both English and Spanish.

Key Responsibilities

• Design, develop, and maintain scalable API endpoints using C# and AWS serverless services.
• Build and evolve a modern, modular backend architecture as part of a larger product redesign.
• Integrate backend services with PostgreSQL databases using Entity Framework Core.
• Collaborate with product and engineering teams in an Agile environment to deliver reliable solutions.
• Participate in code reviews and contribute to engineering best practices and maintainable code standards.
• Develop testable, high-quality backend components for distributed and cloud-native applications.

Must-have Requirements

• 3+ years of experience in backend software development.
• Strong experience with C#.
• Hands-on experience with AWS Lambda and API Gateway.
• Experience working with PostgreSQL.
• Practical experience with Entity Framework Core.
• Understanding of scalable API design and modular architecture.
• Experience working in Agile development environments.
• Ability to collaborate effectively in distributed teams.
• Fluent English.
• Fluent Spanish.
• Based in Mexico.

Nice-to-have Requirements

• Experience contributing to product redesign or modernization initiatives.
• Familiarity with clean architecture principles.
• Experience with code reviews and testing best practices.
• Proactive mindset and ability to work effectively in fast-paced environments.