• Desarrollar y mantener features para la aplicación móvil en Flutter, que apoyen el flujo de compra y venta de autos. • Rediseñar y optimizar el flujo para vender un auto, facilitando el alta y la gestión del vehículo por parte del usuario. • Diseñar y mejorar el flujo para comprar un auto desde la app, integrando todos los pasos clave hasta la transacción. • Implementar el catálogo de autos con filtros avanzados y un sistema de búsqueda que permita al usuario encontrar fácilmente el vehículo ideal. • Desarrollar y optimizar la pantalla VIP donde se muestran todos los detalles del auto, validando fotos e información técnica. • Implementar arquitectura limpia y patrones de diseño escalables que faciliten la evolución y mantenibilidad del producto. • Participar activamente en code reviews y procesos de mejora continua del código y la arquitectura. • Trabajar de forma cercana con Producto, Diseño y Backend para idear, definir y entregar experiencias de usuario completas. • Implementar y mantener pruebas automatizadas (unitarias, de widget e integración) para asegurar la calidad del software. • Optimizar el rendimiento de la aplicación, identificando y resolviendo problemas de performance. • Definir estándares y mejores prácticas para el desarrollo móvil dentro del equipo. • Colaborar con diferentes verticales del negocio que también desarrollan en Flutter, promoviendo alineación técnica y reutilización de componentes.

• Perform field and on-site laboratory tests on soil, geosynthetics, aggregates, and other materials • Monitor contractor activities on job sites to ensure compliance with relevant contract documents • Provide CQA observation and monitoring on several types of construction and/or environmental activities • Perform multi-media sampling in support of investigations and monitoring programs • Prepare daily and weekly field reports, construction schedules & progress reports • Ensure project documentation is correct and consistent with company policy • Interact with project personnel and assist in cultivating an integrated team approach • Assist in the preparation of final data packages, health and safety documents, and report appendices • Observe and abide by the policies and procedures outlined in the site-specific project health and safety plans • Perform tasks in other company practice areas including general construction services and environmental sampling as needed

• Develop and maintain our iOS application using React Native. • Build interactive features such as real-time data displays, charts, alerts, and feeds. • Collaborate with backend teams to integrate APIs and optimize data performance. • Work with design to implement clean, accessible, and engaging user experiences. • Improve app reliability, stability, and navigation across iOS devices. • Contribute to architectural planning, performance enhancements, and release processes. • Help define the future of the WallStreetBets mobile ecosystem.

• Lead the development of a cross-platform mobile app using: ○ React Native (preferred), OR ○ Flutter • Maintain and update existing iOS components written in Swift. • Port existing native functionality into cross-platform architecture where required. • Diagnose and resolve complex mobile application issues. • Optimize application performance, security, and scalability. • Ensure seamless integration with backend services. • Design and maintain backend services using: ○ .NET (C#, .NET 8.0+) ○ MySQL • Develop and maintain RESTful APIs and microservices. • Contribute to system architecture decisions involving cloud systems. • Ensure secure authentication, data integrity, and API performance. • Take ownership of feature design and implementation. • Provide expert input into system and software architecture. • Review and approve code changes in line with best practices. • Assist in prioritizing escalated issues and feature enhancements. • Contribute to sprint planning, workload estimation, and technical documentation. • Work closely with QA to deploy and test new builds. • Collaborate with customer service and professional services teams to document features and create training materials. • Provide timely updates on milestones, risks, and scope changes. • Support release deployments and environment management. • Participate in daily standups and company updates. • Mentor junior developers. • Promote clean architecture, maintainable code, and strong engineering standards. • Continuously learn and adapt to evolving mobile and backend technologies.