Position Summary: We are seeking an Android Developer with experience in designing, developing, and maintaining modules, consuming APIs, implementing security measures, and ensuring mobile application performance. Key Highlights: 1. Android module design and development 2. Security implementation and performance optimization 3. Collaboration with UX/UI and Back-End teams IDS Comercial TI is a Mexican technology company with over 36 years of experience, operating in Mexico, Costa Rica, and delivering projects for clients in the US and Canada. We are CMMI Level 5 2.0 certified (Capability Maturity Model Integration), a quality model established by the Software Engineering Institute (SEI); ISO/IEC 27001:2013 certified by ISO; and annually recognized as a Socially Responsible Enterprise (ESR). We operate under a "happiness" culture that values our collaborators both personally and professionally. Join our team of professionals as: Android Developer Requirements: 3–4 years of experience in this role: * Design, develop, and maintain Android modules (screens, view models, repositories) aligned with Clean Architecture and MVVM/MVI. * Consume APIs exposed by the BFF layer (REST/JSON or GraphQL), implementing model mapping, error handling, retries, and timeouts. * Implement client-side security best practices: secure storage (EncryptedSharedPreferences/Keystore), obfuscation, certificate validation (pinning), protection of sensitive data, and secure token handling (OAuth2/OIDC). * Ensure performance (load times, memory usage, paginated lists), offline resilience (caching, Room, synchronization strategies), and accessibility (TalkBack, sizing, contrast). * Integrate telemetry (traces, metrics, logs) and interaction analytics according to events defined by the data team; use correlation IDs where applicable. * Write unit and UI tests (JUnit, Mockito, Espresso), as well as contract tests against Gateway/BFF test environments. * Collaborate closely with UX/UI to apply the corporate design system and with BFF/Back-End to optimize contracts and end-to-end performance. * Publish internal and production versions via CI/CD. * Promote a collaborative work environment. * Complete mandatory courses at 100% compliance, on time and as required. **Desirable:** Codility certification We offer: 100% nominal salary Hybrid mode (2 days per week in the office) Offices located in Polanco and/or Lorenzo Boturini, Centro CDMX Statutory and additional benefits (major medical expense insurance, savings fund, growth plan, commercial agreements, among others). Monday to Friday *We are an inclusive company, free from any form of discrimination, where opportunities are available to those who demonstrate attitude and talent. We do not require medical certificates confirming non-pregnancy or Human Immunodeficiency Virus (HIV) status as prerequisites for joining our great professional family or accessing equal growth opportunities.*