Senior Backend Developer (.NET)

Description

Dadoteca is an innovative technology company dedicated to delivering high-quality solutions to our clients through a collaborative work environment that drives professional development and innovation. We are looking for a **Senior Backend Developer**, with strong expertise in **.NET**, to build robust, secure, and scalable solutions focused on business logic, APIs, and integrations with enterprise systems. ***Temporary Contract (6 months)*** **Responsibilities** -------------- * Develop and maintain backend applications using **.NET**. * Implement business logic and integrations with management systems. * Design and evolve secure and high-performance **REST APIs**. * Architect technical solutions aligned with business needs. * Ensure application security best practices throughout the development lifecycle. * Fulfill requirements defined by the Product Owner and quality criteria. * Support application rollout through to production. * Conduct **code reviews** and assist with security testing. * Contribute to secure development standards and documentation. **Requirements** -------------- * Bachelor's degree in IT or related fields. * Minimum **5 years of .NET development experience**. * Minimum **3 years of API development experience**. * Experience with agile methodologies (Scrum, Kanban, or similar). * Experience with cloud development (**Azure, AWS, or GCP**). * Knowledge of **web application security (OWASP)**. * Experience with **OAuth, JWT, and RESTful API security**. * Experience with version control (GitHub, TFS, or similar). * Intermediate English proficiency. **Competencies** ---------------- * Clear communication and collaboration with multidisciplinary teams. * Organization and self-management. * Proactivity and anticipation of issues. * Focus on quality, security, and value delivery. **Preferred Qualifications** ---------------- * Experience with **SecDevOps** and code quality. * Experience with security tools (**SAST, DAST**). * Experience with web application security testing. * Knowledge of **cryptography and key management**. * Knowledge of cloud security (Azure or AWS). * Security certifications (e.g., Security\+). * Experience in the **healthcare, financial, or banking sectors**. **Position Objectives** ------------------------ * Build solutions that increase revenue and improve customer experience. * Ensure security and integrity of systems, APIs, and data. * Maintain and evolve applications with a focus on quality and efficiency. * Establish secure development standards. **Performance Indicators** ------------------------------ * Improvement in customer experience (e.g., NPS). * Operational efficiency of solutions. * Deliveries on time, within budget, and scope. * Application quality and security.