Summary
Overview
Work History
Education
Skills
App So+ma Vantagens
Timeline
Generic

Rafael Santos Telles

Full Stack Developer
Aracaju, Sergipe,SE

Summary

Versatile Full Stack Developer with 3+ years of experience specializing in secure authentication systems (ASP.NET Identity, Azure AD) and identity management (OAuth 2.0, RBAC). Proven track record of designing end-to-end IAM solutions, from social login integrations to multi-tenant SaaS platforms. Led the international expansion of an ESG startup’s ecosystem, delivering scalable web/mobile apps with CI/CD pipelines and robust security protocols (VPN, API Management). Passionate about building secure, user-centric applications with clean architecture and modern frameworks (.NET 6.0+, Angular, Ionic).

Overview

3
3
years of professional experience

Work History

Full Stack Developer

Soma Negócios Inclusivos (ESG Startup)
12.2022 - Current
  • Led international expansion to Jakarta by forking and adapting the entire tech stack (web portal, mobile apps, database), implementing full English/Indonesian internationalization.
  • Architected and implemented a multi-tenant, white-label solution, enabling product adoption by major clients.
  • Established complete CI/CD pipelines for automated iOS/Android app builds, testing, and deployment.
  • Enhanced security infrastructure with Azure VPN implementation and Azure API Management configuration.
  • Developed new mobile applications from scratch using Ionic, Angular, and .NET backend APIs.
  • Spearheaded technical discussions with C-level executives on product innovation and expansion strategy.
  • Mentored and onboarded new technology team members.
  • Designed and implemented authentication systems using ASP.NET Identity with role-based authorization (RBAC) for web and mobile platforms.
  • Integrated Azure AD for secure VPN access, and implemented enterprise-grade identity solutions.
  • Developed secure authentication workflows, including:

- User registration/login systems with validation and session management.
- Password reset flows with secure token expiration.
- Two-factor authentication (2FA) for admin roles.
- Social login integrations (Google, Apple) for mobile applications.

  • Configured and maintained security protocols, including OAuth 2.0, for API authorization.
  • Developed custom permission models to control access to sensitive business data.
  • Reviewed code, debugged problems, and corrected issues.
  • Developed functional databases, applications and servers to support websites on back-end.
  • Integrated third-party APIs to enhance functionality and improve overall user experience on web platforms.
  • Managed development milestones from initial steps through final delivery.

Junior Backend Developer

Netimóveis Brasil SA
07.2022 - 12.2022
  • Developed a scalable RESTful API using C# and Entity Framework as the ORM, enabling seamless data integration for a new company project.
  • Configured and deployed the Kong API Gateway to manage routing, load balancing, and security for the new API, improving reliability and request handling.
  • Performed system maintenance, including bug fixes, and performance improvements.
  • Collaborated with cross-functional teams (frontend) to ensure the smooth integration of backend services.
  • Actively participated in sprint planning meetings, daily stand-ups, backlog grooming sessions providing valuable input towards project completion timelines.

Education

Computer Science

Federal University of Sergipe
Sao Cristovao, Sergipe, Brazil
12-2012

Skills

Programming languages: C#, TypeScript, JavaScript

App So+ma Vantagens

https://apps.apple.com/br/app/so-ma-vantagens/id1621361836?l=en-GB


App description: Sign up for free for the first incentive and rewards program for positive social and environmental actions. Recycle, accumulate points, and exchange them for rewards (courses, food, vouchers, discounts, and much more).


White-label ESG app for clients, built with Ionic/Angular and .NET

Timeline

Full Stack Developer

Soma Negócios Inclusivos (ESG Startup)
12.2022 - Current

Junior Backend Developer

Netimóveis Brasil SA
07.2022 - 12.2022

Computer Science

Federal University of Sergipe
Rafael Santos TellesFull Stack Developer