Mid-Level Developer

Description

Job Summary: Work on the development and maintenance of complete web applications, implementing complex features and ensuring code quality in a collaborative and challenging environment. Key Highlights: 1. Develop and maintain complete web applications (frontend and backend) 2. Collaborate with multidisciplinary teams and provide technical leadership to the team 3. Foster professional growth and continuous innovation **Company Overview** The Hi Group (Hi Holding S.A.), headquartered in Cabedelo (Greater João Pessoa), Paraíba, operates nationwide across franchises, technology, machinery and equipment, hygiene and cleaning products, commerce, and services. Companies within the Hi Group include: Hi Franchising, HiPlim Produtos, Paylav Máquinas e Equipamentos, Ikli Tecnologia, and Hi Sinergy Empreendimentos. Our values are grounded in ethics, meritocracy, inclusion, and innovation, promoting the DIT ("Do It Yourself") culture and green and shared economy. Our environment is collaborative, diverse, and challenging, encouraging professional growth and continuous innovation, with well-defined goals and performance-based recognition. **Key Responsibilities** * Develop and maintain complete web applications (frontend and backend) * Implement end-to-end complex features * Manage and optimize integrations via APIs and external services * Administer databases and data modeling * Implement and monitor queues and asynchronous processing * Ensure code quality and engineering best practices * Maintain, evolve, and modernize existing systems * Participate in technical decisions and architectural evolution * Collaborate with multidisciplinary teams (product, design, and DevOps) * Provide technical leadership to the team and support less experienced developers **Daily Tasks** * Develop complete web applications * Create modern, responsive interfaces focused on usability * Develop robust business logic on the backend * Ensure efficient communication among frontend, backend, and database * Implement complete features * Develop features from planning to delivery * Validate business rules and ensure consistency * Perform tests and validations before deployment * Integrate systems via APIs * Develop and consume RESTful APIs * Integrate internal systems and third-party services * Ensure security, authentication, and performance in integrations * Work with databases * Model data according to business needs * Create, optimize, and review queries * Ensure integrity, scalability, and performance * Manage queues and asynchronous processing * Implement background jobs * Monitor execution and failures * Optimize processing of critical tasks * Ensure code quality * Apply Clean Code principles and design patterns * Conduct code reviews * Write and maintain automated tests * Perform continuous refactoring * Maintain and evolve systems * Fix medium- and high-complexity bugs * Improve performance of existing systems * Evolve legacy systems with a focus on scalability * Participate in technical decisions * Suggest architectural improvements * Assess technical impact of new solutions * Define standards and best practices * Collaborate with the team * Participate in agile ceremonies (dailies, plannings, retrospectives) * Interact with product and design teams * Share technical knowledge * Provide technical leadership to the team * Organize technical demands and priorities * Guide junior and mid-level developers * Ensure quality and consistency in deliverables * Support strategic technology decisions **What We’re Looking For: Soft and Hard Skills** *Hard Skills:* * Solid experience with Ruby on Rails (APIs and MVC) * Experience in full-stack development (JavaScript, Next.js, React or similar) * Experience with React Native (maintenance and deployment) * Knowledge of Electron for desktop applications * Experience with relational databases (PostgreSQL, MySQL) * Knowledge of queues and asynchronous processing (Sidekiq, Redis or similar) * Experience with cloud platforms (AWS and/or DigitalOcean) * Knowledge of CI/CD and deployment pipelines * Proficiency in version control with Git * Experience with software architecture and scalable systems *Differences:* * Experience with monitoring tools (Datadog, New Relic) * Knowledge of application security * Experience in high-availability environments * Familiarity with agile methodologies *Soft Skills:* * Strong sense of responsibility and autonomy * Analytical mindset and results orientation * Technical leadership and decision-making ability * Clear and concise communication * Organization and priority management * Proactivity and owner mentality * Ability to work under pressure while maintaining quality * Collaboration and teamwork spirit * Professional ethics * Innovative mindset and focus on continuous improvement **Benefits Offered** * Multi-benefit card * Transportation allowance or mobility assistance * 60-Minute Laundry Credit * Life insurance * Medical assistance – telemedicine * Weelhub (Gympass) * Well-being allowance: psychologist and nutritionist Compensation: R$6.000,00 per month Selection Question(s): * Are you available to work onsite in Intermares (Cabedelo - PB)? Are you available for 100% onsite work? What is your current salary expectation? Are you available to start immediately? Work Location: Onsite