Job Description: At **StaffRock IT**, a company specialized in Staff Augmentation services and professional recruitment, we are looking for a ***Backend Developer SSR*** to join the team of a major Argentine financial institution in the banking sector. We seek a candidate with solid technical knowledge, strong communication and teamwork skills, high adaptability, proactivity, autonomy, and results-oriented mindset. **What will be your mission?** Join the Products and Channels team and contribute to critical banking products. **Tasks and Responsibilities:** * Participate in requirements analysis. * Store and organize data to ensure proper app functionality. * Write clean and scalable code. * Update and debug applications to make them more secure, faster, and error-free. * Develop on AWS Cloud. * Prepare technical documentation. **What skills and experience are we looking for?** * More than 3 years of experience in similar roles. * Currently studying or graduated from a Technical or University degree in Computer Science or related fields. * Solid knowledge of Javascript/Typescript. * Proven experience with AWS services (Serverless, Step Function, Cloud Formation, Lambdas, S3, Elasticsearch, CDK, and API Gateway). * Knowledge of Java. * Good development practices. * Agile methodologies. * Database knowledge: SQL, MySQL. * Proficiency in Git version control. **What do we offer?:** * Indefinite-term employment contract under **Employment Relationship.** * Reimbursement for **connectivity.** * Free **AWS certifications.** * Reimbursement for **sports-related physical activity.** **Work modality: Full-time — Remote** (with optional in-person meetings).