Position Summary: We are seeking a Semi-Senior Fullstack Software Engineer for an agile team, participating in the end-to-end development of digital solutions and the evolution of web applications, APIs, and microservices. Key Highlights: 1. End-to-end fullstack development in an agile and multidisciplinary team. 2. Focus on quality, scalability, security, and user experience. 3. Participation in code reviews and improvement of CI/CD pipelines. Fullstack Software Engineer Semi-Senior Client: Major financial institution Work Modality: Hybrid – offices in CABA Schedule: Monday to Friday, 9 AM to 6 PM Job Description: We are currently looking for a Semi-Senior Fullstack Software Engineer to join an agile team, participating in the end-to-end development of digital solutions. The role involves building and evolving web applications, APIs, and microservices as part of a multidisciplinary squad focused on quality, scalability, security, and user experience. Main Responsibilities: End-to-end fullstack development: Frontend: development of interfaces using React or Angular, reusable components, state management, and API consumption. Backend: development of APIs and microservices using Node.js (Express/NestJS), business logic, validations, and error handling. Design and maintenance of API integrations (contracts, versioning, security). Participation in implementation and improvement of CI/CD pipelines and automated testing. Technical requirements analysis and proposals for improvements (performance, scalability). Technical documentation (endpoints, workflows, decisions). Participation in code reviews and quality practices. Mandatory Skills · Experience with Node.js (REST APIs, microservices) Experience with React or Angular (TypeScript, state management, API consumption) Knowledge of SQL and NoSQL databases Familiarity with cloud platforms (AWS, GCP, or Azure) Proficiency in Git, testing, and agile methodologies Desired Skills Experience with MongoDB, Redis, and SQL Experience with API integrations and cloud deployments Knowledge of generative AI or process automation Experience with AWS Lex or chatbots What We Offer? Salary review every 4 months UDEMY platform for your training. Discounts at academic institutions. Internet and electricity expense allowance. Paternity leave. Welcome kit. Exclusive discount voucher. Birthday day off and bonus AND MORE About C&S We are a company with over 40 years in the market, composed of a team of more than 160 professionals. We specialize in Software Development, Talent Outsourcing, and IT Consulting. We hold ISO 9001 certification and operate in Buenos Aires (Argentina) and Santiago de Chile.-Requirements- Minimum Education: University degree years of experience Keywords: developer, programmer, senior, sr