SR Developer (React Native / Node.js)

At NIO, we believe that technology connects people and transforms the future. We are an innovative company focused on excellence, operating with a dynamic and collaborative culture. Our team works with autonomy, passion, and commitment, always seeking the best results. We are looking for a Sr Engineer (React Native / Node.js) to join our team. You will be responsible for developing and maintaining robust and scalable mobile applications, ensuring high performance and usability. Your expertise in React Native and Node.js will be fundamental to creating innovative solutions that will directly impact our users and the company's success. Come be part of a team that values innovation, collaboration, and the constant pursuit of technological excellence.

Responsibilities and assignments

• Develop and maintain robust and scalable mobile applications in React Native.
• Create and evolve APIs and backend services in Node.js with a focus on security and efficiency.
• Optimize application performance using Redis for caching and queues.
• Model and manage data in MongoDB, ensuring scalability.
• Implement integrations with external systems via REST APIs and WebSockets.

Requirements and qualifications

• Solid experience in mobile development with React Native (Android and iOS).
• Advanced experience in Node.js (Express, NestJS or similar frameworks).
• Mastery of NoSQL databases (MongoDB) and Redis.
• Experience with microservices architecture and real-time messaging.
• Knowledge of CI/CD (GitLab, GitHub Actions, ArgoCD or similar).
• Experience in cloud (AWS, GCP or Azure).
• Ability to write clean, reusable, and scalable code.
• Experience with monitoring and observability (Prometheus, Grafana, Loki, etc.) will be a differentiator.
• Interest in acting full-stack, understanding the entire application flow (frontend, backend, and data).
• Technical English for reading documentation.
• Higher education in Computer Science, Software Engineering, or related areas.

Additional information Benefits:

• Food Allowance and/or Meal Voucher
• Transportation Voucher
• Medical Assistance
• Dental Assistance
• Life Insurance
• Private Pension
• Profit sharing program (PPR)
• Pharmacy Allowance
• Daycare Allowance
• Flexible hours
• V.tal Advantages Club
• Extended maternity leave (6 months)
• Extended paternity leave (20 days)

THE FUTURE PASSES THROUGH HERE AND IT IS WITH YOU THAT WE WILL BUILD IT We are V.tal, a company born with the purpose of enabling connection with the digital world, transforming people's lives. We work to help include Brazil at the top of the list of the most digitalized countries in the world, promoting digital inclusion, driving new businesses, and stimulating regional development. And this is possible because we were born with the largest fiber optic network in Brazil and with a team that makes things happen. We are a neutral network, shared with operators, providers, and partners of all sizes and regions. And this fills us with pride. All this robustness allows us to offer coverage and capillarity for our customers to go further, optimizing their investments.

OUR TEAM We are connected, agile, and driven by excellent results. Our work environment is light because it is made up of people who collaborate with each other, trust one another, and vibrate for every achievement. Here we don't make excuses, we seek the solution. It is with this high-performance team that we work daily to include Brazil at the top of the list of the most digitalized countries in the world, promoting digital inclusion, and the economic and social development of people.

CHECK OUT OUR PRINCIPLES We play fair, we trust each other. Constant evolution and learning is our mantra. Without learning, there is no evolution. We are obsessed with excellence and high performance. The pursuit of results happens daily in every decision. Work hard, play hard! We are focused and have a healthy environment. IDENTIFIED WITH OUR PROPOSAL? THEN COME BUILD THE FUTURE WITH US TODAY!