Mid-level Fullstack Developer

Description

Celk is a company specializing in public health management with 16 years in the market. We are focused on transforming public health in Brazil! We are present throughout the country and offer solutions that connect the entire citizen health care network through flexible, portable, and secure software, to create a much more integrated and intelligent management system. **Responsibilities and attributes** The Developer supports data management and the logical operation of systems, diagnoses failures and debugs applications, and creates codes and reusable libraries for future use. Supports with solution ideas, aiming for the technical evolution of the company's products. Main activities: * Ensure system maintenance (legacy). * Develop and maintain backend and frontend applications. * Develop efficient RESTful APIs and microservices. * Integrate APIs and optimize operations with databases. * Actively participate in decisions with the team. * Create reusable components and implement good programming practices. * Automate tests and ensure the scalability of solutions. * Monitor system performance and security. * Document processes and share knowledge with the team. * Optimize database queries and operations. * Ensure the security and compliance of services. * Work with messaging for communication. * Create CI/CD pipelines and deployment automation. * Implement and monitor logs and metrics for continuous optimization. **Requirements and qualifications** **Mandatory requirements:** * Completed higher education in Computer Science, ADS, Information Systems, Engineering, or related fields; * Minimum of 2 years of experience in **Full Stack** software development; * Previous experience with microservices architecture and RESTful APIs. **Required knowledge:** * Backend development with Java and Spring Boot. * Frontend development with React.js, Next.js, and/or TypeScript. * Microservices architecture. * Relational and NoSQL databases: PostgreSQL and MongoDB. * Implementation and optimization of RESTful APIs. * Messaging (SQS, Kafka, RabbitMQ). * Security and authentication (OAuth, JWT). * Orchestration and containerization using Docker and Kubernetes. * API integration and optimization of operations with databases. * Monitoring and log analysis for continuous optimization. * Knowledge and application of UX/UI and accessibility. **Differentiators:** * Experience with legacy systems. * Experience with Apache Wicket. * Experience with CI/CD and deployment automation. * Experience with API Gateway for authentication and access control. * Knowledge of multi\-cloud architecture (AWS, Azure, or GCP). * Experience with automated testing and good development practices. **Additional information** **Benefits:** Medical assistance Dental assistance Life insurance Meal/food voucher Day Off on birthday Wellhub (formerly Gympass) **Work schedule:** Home Office Monday to Friday, from 8am to 5pm (40 hours per week) With 16 years of market experience, Celk Sistemas provides specialized services such as technology, consulting, training, and technical support for the public health sector. We offer solutions that connect the entire citizen health care network through **software** that is flexible, portable, and secure, to create a much more integrated and intelligent management system, as well as exclusive **advisory** in health management, ready to assist health secretaries and managers in raising the indicators of their municipalities, optimizing the resources and services offered to the population. Currently, we are present in more than **3,000** health facilities in various regions of the country, we send more than **65 million** records to the Ministry of Health, we serve more than **10 million** people through our system, and we train more than **70,000** professionals to use it.