Senior .NET Developer (eContrato Project)

Description

Job Summary: Evertec is seeking a Senior Backend Developer .NET to develop and enhance critical services on the eContrato platform, ensuring high performance, scalability, and security, while working within a microservices architecture. Key Highlights: 1. Work on microservices development and cloud architecture. 2. Contribute to architectural decisions and continuous platform improvements. 3. Focus on best practices in backend engineering and security. Nice to meet you — we are Evertec! ✨ Evertec is a technology company specializing in financial services, with over 27 years of experience and presence in 26 countries across Latin America and the Caribbean. Processing over 11 billion transactions annually, we are a benchmark for digital transformation solutions in the financial market. We offer a comprehensive portfolio of software solutions, serving financial institutions, enterprises, and fintechs seeking innovation, security, and efficiency. Our commitment lies in technological excellence, financial inclusion, and generating sustainable value for customers, employees, and partners — fostering a more connected and accessible ecosystem. Requirements: **We are looking for a Senior Backend Developer .NET (eContrato Platform)** Key Responsibilities Develop and enhance critical services of the eContrato platform, ensuring high performance, scalability, and security. Build and maintain robust, high-performance REST APIs. Evolve and sustain a microservices-oriented architecture in a cloud environment. Implement asynchronous integrations using Azure Service Bus. Work with authentication and authorization using Keycloak. Perform SQL Server query modeling, optimization, and tuning. Ensure adherence to development best practices, including SOLID, Clean Code, and automated testing. Contribute to architectural decisions and continuous platform improvements. Lead code reviews and support the team’s technical upskilling. Apply industry-leading security practices, including OWASP guidelines. Mandatory Requirements Solid experience with .NET Core / .NET 8+. Experience with distributed architecture and microservices. Experience with Azure (App Services, Storage, Service Bus). Proficiency in SQL Server, including performance, modeling, and optimization. Knowledge of messaging systems. Experience with OAuth2 / OpenID Connect authentication and authorization. Experience with Domain-Driven Design (DDD) and Clean Architecture. Knowledge of secure development practices. Experience with application observability and monitoring. Prior experience with financial or regulatory systems. Important Differentiators Strong command of advanced backend engineering best practices. Ability to support architectural decisions and provide technical guidance to the team. **Important: Hybrid work availability required in Vila Olímpia, SP!**