Definity First

Build scalable, secure customer-facing solutions, lead development teams, and mentor engineers. | 7+ years software development experience, expertise in React and Node.js, authentication/authorization experience with NextAuth.js, JWTs, Microsoft Entra ID, experience with relational and cloud data warehouses, strong enterprise architecture and security knowledge, leadership and mentoring skills. | Definity First is seeking a skilled Technical Lead Full Stack to build scalable, secure, and customer-facing solutions, lead development teams, and mentor engineers. The role is 100% remote within LATAM. They specialize in IT Services, Cloud Business Applications, and Microsoft Technologies. Requirements • 7+ years of professional experience in software development • Expertise in React for modern, scalable, customer-facing portals • Strong experience with Node.js (Express) developing GraphQL and REST APIs • Hands-on experience with NextAuth.js, JWTs, and Microsoft Entra ID for authentication and authorization • Experience with relational and cloud data warehouses (SQLite for development, Snowflake for production/staging) • Solid understanding of enterprise architecture, cloud deployment, and security best practices • Proven ability to design APIs, database schemas, and system integrations • Excellent communication skills • Leadership qualities and experience mentoring teams