We are seeking a Senior Full Stack Developer to work on strategic insurance solutions, focusing on APIs, system integrations, and interfaces for Guarantee Insurance processes. This role involves active participation in projects, system maintenance, and technical collaboration with the team. **Responsibilities and Duties** **Main Activities** **Full Stack Development** * Develop back-end (APIs, microservices, integrations) and front-end (interfaces and portals) for corporate insurance projects. **Guarantee Insurance Solutions** * Apply product knowledge to build and adapt features specific to Guarantee Insurance business workflows. **System Maintenance and Evolution** * Perform maintenance, incident resolution, and continuous improvement of existing APIs and applications. **Testing and Quality** * Implement and ensure best practices in testing (unit, integration, automation), collaborating with CI/CD pipelines. **Technical Documentation** * Create and maintain detailed technical documentation, including API contracts, architecture, and integration flows. **Mentorship and Collaboration** * Provide technical support to team members, sharing development best practices and coding standards. **Requirements and Qualifications** Full Stack development experience; Experience in complex corporate environments, scalable solutions, and system integrations; **Technical Skills – Mandatory** Back-End (.NET): C# (advanced) .NET Core / .NET 6/7/8 ASP.NET Core (Web API) Entity Framework Core Microservices Architecture Redis (distributed cache) RabbitMQ (messaging) Front-End: Angular 14+ JavaScript Responsive development Bootstrap Database: SQL Server (advanced) PostgreSQL DevOps / Infrastructure: Docker Kubernetes CI/CD Pipelines GitHub Actions Best Practices and Methodologies Clean Architecture Domain-Driven Design (DDD) SOLID Principles Unit Testing (xUnit, NUnit) Agile methodologies (Scrum / Kanban) **Desirable Differentiators** Prior experience in the insurance, banking, or financial sectors Involvement in high-availability and mission-critical projects Collaborative profile, technical mentorship, and focus on continuous delivery **Additional Information** Meal allowance of R$ 1,097.20 (Alelo); Food allowance of R$ 877.76 (Alelo); Health insurance - Bradesco Saúde (co-payment model); Dental insurance - Bradesco Saúde (co-payment model); Life insurance - Metlife; Private pension 1-1 (optional); Childcare allowance; Birthday day off; Union PLR and annual bonus; Totalpass. \#Let's drive forward with Daycoval Seguros! At Daycoval Seguros, more than just an insurance company, we are the architects of the future, the builders of a more promising tomorrow. Our purpose is **to drive, through our solutions, the long-term development of the country**. To achieve this, we count on a team of experts across all Guarantee Insurance and Business Insurance modalities.