Senior Full Stack Developer | Node.js (Hybrid - BH)

Description

Job Summary: We are seeking a Senior Full Stack Developer with Node.js expertise to develop and evolve full-stack applications, focusing on performance, scalability, and resilience, using NestJS and Nuxt 3. Key Highlights: 1. Focus on performance, scalability, and resilience 2. Building microservice-based architectures 3. Using AI to boost productivity Onfly is a startup focused on helping companies travel better! Our business goal is to democratize travel management, expense reimbursements, discounts on flights, hotels, and car rentals—delivering a complete and simple experience. To achieve our goal of exponential growth, we seek people passionate about technology, eager to join a high-performance team, and ready to grow muuuuch. For the **Senior Full Stack Developer\| Node.js** role, we seek a professional responsible for maintaining our integration APIs using Node.js; thus, we look for someone dynamic, collaborative, and aligned with our culture and values. **Responsibilities and Duties** Develop and evolve full-stack applications with emphasis on performance, scalability, and resilience, using NestJS on the backend and Nuxt 3 on the frontend. Design microservice-based architectures and messaging systems (e.g., RabbitMQ and Amazon SQS). Optimize applications for high performance, including Fastify, caching, and coding best practices. Implement and maintain integrations, data validations, and frontend state management. Ensure quality, testing, and development best practices throughout the application lifecycle. Use AI tools (e.g., Cursor and Claude Code) to boost productivity. **Requirements and Qualifications** * Node.js; * TypeScript; * Solid experience with NestJS (Providers, dynamic modules, guards); * Experience with microservice architecture and messaging (RabbitMQ, AWS SQS); * Backend performance knowledge using Fastify; * Experience with data persistence (PostgreSQL, TypeORM) and caching (Redis); * Experience with Nuxt 3 and Vue.js (Composition API, Composables); * State management with Pinia; * Data validation using schema libraries (e.g., Zod); * Knowledge of Design Patterns (Factory, Singleton, Repository); * Experience with automated testing (Jest); * Experience with agile methodologies (Scrum or Kanban). **Additional Information** * Hybrid work model (2 days per week onsite, remainder remote); * Flexible working hours; * Meal allowance via flexible card: R$40 (no 6% deduction); * Transportation allowance via flexible card (no 6% deduction); * Unimed health plan, with no copayment and no monthly fee for Onfly employees (fully covered by us :D); * Dental plan (monthly fee discount); * Pharmacy discount; * No dress code; * Online psychotherapy benefit (Vittude); * Gym benefits! (Gympass); * 90% scholarship for language studies; * Annual budget up to R$1,000 for trainings/certifications in your field; * Discounts on undergraduate and graduate programs (UNA and UNIBH); * Clube Certo discount package with no monthly fee; * Funeral assistance (Grupo Zelo); * Extended maternity/paternity leave; * R$200 voucher on Onhappy (an exclusive platform offering discounted travel across Brazil); * Life insurance. #### **We are Latin America’s largest B2B Travel Tech company, and for two consecutive years, we’ve ranked among the best places to work in Brazil, according to the Great Place to Work ranking.** #### **With intensive use of technology and a healthy dose of human warmth,** **we simplify travel and expense management for over 1,600 client companies**, bringing greater practicality, savings, and comfort to everyone. #### **We believe business travel can be simpler with technology. To fulfill this mission, we seek talent for mutual learning within a high-performance team that wants to grow significantly.** #### **We’re driven by innovation and believe diverse and inclusive environments are essential to achieving it. Thus, we offer an inclusive space for all, while actively promoting opportunities to advance careers.**