Full Stack Developer

Description

### **JOB DESCRIPTION** **About Ademicon** Ademicon is Brazil's largest independent consortium administrator, with over 35 years of operation and a consistent history of growth. Today, it serves more than 400,000 customers and has sold over R$ 70 billion in credit. The company is currently experiencing accelerated expansion, with average annual growth exceeding 50% over recent years — driving a robust digital transformation agenda. In this context, the technology area has gained strategic prominence, with over R$ 32 million invested in its infrastructure development and evolution, focusing on system modernization, scalable platform construction, and strengthening a data-driven culture — always in direct partnership with business units. Here, technology is not support: it is a direct enabler of strategy, impacting customer experience, operational efficiency, and the company’s growth capacity. We are seeking a Senior Full Stack Developer with solid experience in NestJS and Next.js, who wants to contribute to developing and evolving scalable, secure, and high-performance web applications. You will actively participate in technical decisions, engage across the entire development lifecycle, and have space to contribute solutions that directly impact both product and business. **Responsibilities:** * Develop and maintain scalable APIs using NestJS, applying best practices in architecture (DDD, Clean Architecture, SOLID); * Build modern, performant, and responsive interfaces with Next.js (React), utilizing SSR, SSG, and ISR; * Implement integrations with relational and non\-relational databases (PostgreSQL, MongoDB); * Create and maintain CI/CD pipelines, automated tests, and application monitoring; * Participate in the full development lifecycle: planning, estimation, code review, and documentation; * Integrate internal and third-party systems via REST, Webhooks, and WebSockets; * Ensure high standards of security, performance, and code quality. ### **JOB REQUIREMENTS** * Solid experience as a Full Stack Developer focused on Node.js, NestJS, and React.js; * Experience with REST APIs; * Proficiency in TypeScript and familiarity with Next.js; * Knowledge of MongoDB; * Basic experience with AWS (or another cloud provider); * Experience with Git; * Understanding of software architecture, testing, and development best practices; * Experience with SQL and NoSQL databases; Experience with version control and collaborative development processes. * **Nice-to-have:** * Knowledge of Kubernetes or distributed architectures; * Experience with messaging systems (RabbitMQ, Kafka, SQS); * Familiarity with observability tools (Grafana, Prometheus, ELK); * Experience with CI/CD (GitHub Actions, GitLab CI, Jenkins); Experience in microservices environments. * If you seek technical challenges, autonomy, continuous learning, and the opportunity to build robust and scalable solutions, this role may be for you. ### **ADDITIONAL INFORMATION** **Contract type:** PJ **Location:** Remote