Job Summary: We are looking for a professional to join Santander Corretora, combining agility, technology, and Toro’s innovative DNA to generate financial freedom and identify the best investment opportunities. Key Highlights: 1. Collaborate on architecture definitions and technology selection 2. Maintain code quality through reviews and testing 3. Seek new techniques and technologies to improve efficiency **JOB DESCRIPTION** Toro Corretora is now **Santander Corretora**, and its DNA of agility, technology, and Zero Commission Trading merges with Santander’s global strength and credibility. Our purpose is to generate financial freedom for people. Santander Corretora serves as the complete investment house—offering stability and infrastructure for trading—while the Toro brand functions as Santander Brasil’s dedicated trading platform for market enthusiasts. We pursue continuous innovation to help customers discover the best opportunities in an easy and secure way. To achieve this, we combine people and technology, valuing and preserving our team’s collaborative, diverse, and innovative spirit. **RESPONSIBILITIES AND ATTRIBUTES** * Collaborate on architecture definitions and technology selection; * Integrate back\-end APIs and services; * Maintain code quality through reviews and testing, grounded in development best practices; * Explore new techniques and technologies to multiply our efficiency using tools and libraries; * Continuous integration, DevOps, and continuous deployment; * Service monitoring using CloudWatch, Sentry, Crashlytics, and Kibana. **REQUIREMENTS AND QUALIFICATIONS** * Strong experience with ReactJS and NodeJS; * Building and maintaining solutions using any JavaScript/TypeScript framework; * Experience with microfrontends; * Agile culture (Scrum, Kanban, Pair programming, TDD); * Prior experience with the NestJS framework; * Experience with dependency injection; * Knowledge of Clean Architecture and Domain-Driven Design. **How can you impress us?** * Familiarity with Less is desirable; * Familiarity with automation of build, test, and deployment pipelines via GitLab CI is desirable; * Experience with AWS Lambda and SQS services, and prior experience with Serverless architecture is desirable. **ADDITIONAL INFORMATION** Hybrid work in São Paulo (Santo Amaro), 3 days per week. **Benefits:** * Profit-sharing program (PLR); * Health insurance, dental insurance, and life insurance; * Meal allowance and/or food allowance; * Wellhub; * Childcare allowance; * Extended maternity/paternity leave (mothers entitled to 6 months); * Birthday day off.