Job Description: **About C\&S** We are a company of over 160 professionals, established for more than 40 years in the market. Our purpose is to ensure customer satisfaction; to this end, we offer Software Development, Talent Outsourcing, and IT Consulting services. We hold ISO 9001 certification and have offices in Buenos Aires, Argentina, and Santiago de Chile. At C\&S, we are looking for candidates for the position of Senior Backend Developer to join our team. **Work Mode** * Mode: 80% remote (attendance twice a week at offices in CABA) * Schedule: Monday to Friday from 9 AM to 6 PM (GMT\-3, Argentina time). **Task Description** * Develop technological solutions based on Natural Language Processing (NLP), in collaboration with the Technical Lead and other areas of the company. * Advise the Project Leader and the team on key technical aspects: usability, technical feasibility, performance, robustness, and scalability of requirements. * Identify, evaluate, and manage the necessary technical resources to achieve project objectives. * Design and develop scalable and maintainable backend components, ensuring good architectural practices and code quality. * Guarantee the operability and sustainability of solutions by applying software quality standards. * Participate in the definition, review, and monitoring of development standards, best practices, and technical guidelines. **What We Are Looking For** * Solid experience as a Senior Backend Developer, ideally in high-demand environments and digital products. * Degree in Computer Engineering, Computer Science, or related field (desirable). * Profile with strong analytical skills, autonomy, results orientation, and good communication. * Initiative to make technical decisions and ability to coordinate and guide other technical profiles. **Essential Skills** * Advanced Python (priority). * Handling large volumes of data and designing scalable systems for their processing. * Technical competence in system design, software architecture, and backend application development. * Knowledge and experience in agile software development methodologies. * Experience in defining and following software quality standards. * Orientation towards technical leadership and team coordination. * Experience in distributed computing. * Intermediate English level, with the ability to hold a technical conversation. **Desirable Skills** * Advanced Node.js and application of design patterns. * Knowledge of Clean Code, Lean, and SOLID principles. * Experience with Domain Driven Design (DDD). * Experience with Unit Testing and TDD. **What We Offer** * Medical coverage (contribution redirection). * Quarterly salary reviews. * Extended parental leave. * Career and professional growth opportunities. * Discounts at universities and educational centers. * Birthday bonus. * Internet and electricity expense bonus. * Home office equipment. * Welcome kit upon joining. **Application** If you identify with this challenge and have solid experience as a Senior Backend Developer working with advanced Python and scalable systems, we invite you to apply and become part of our team.