At Workana, we are looking for a Semi-Senior Fullstack Developer for one of our clients in LATAM. The project, focused on the fintech sector, involves developing APIs and applications using Node.js, PostgreSQL, React Native, and Next.js. We are seeking a strong technical profile with a product mindset and enthusiasm for building scalable solutions in a dynamic environment. **Responsibilities:** * 60% Back-end: Develop and maintain APIs in Node.js. * 40% Front-end: Develop web applications with Next.js and mobile applications with React Native. * Design and integrate databases in PostgreSQL. * Integrate KYC, banking, and cryptocurrency APIs. * Implement security measures and automation of financial processes. * Perform testing, debugging, and code optimization. * Ensure good development practices and scalability. * Collaborate closely with design and product teams to ensure a great user experience. **Requirements:** * Minimum 4 years of fullstack development experience. * Proven experience with Node.js, PostgreSQL, React Native, and Next.js. * Knowledge of RESTful APIs and WebSockets. * Experience working with relational and non-relational databases. * Preferred: Prior experience in fintech, blockchain, or payment systems. * Strong communication skills for collaborating with multidisciplinary teams. * Proactivity in proposing technical improvements and optimizing processes. * Teamwork ability and alignment with business objectives. * Problem-solving mindset and adaptability to agile and changing environments. * English is not required. **Contract Terms:** * Work Mode: 100% remote. * Schedule: Full-time (8 hours/day). * Compensation: up to 2,000 USD per month. * Contract Type: Service Agreement through Workana. * Duration: 12 months, with possibility of renewal based on strong performance. **Selection Process:** * Practical technical test on the Adaface platform. * Brief asynchronous video screening on Hireflix. * Short call with a Workana Recruiter. * Technical and cultural interview with the client’s CTO. If you are interested in this position and believe you are the right fit, we look forward to your application. If selected to proceed, a member of Workana’s Talent team will contact you!