Senior Full-Stack Developer (Must: Node.Js + Typescript + AWS)

Santex is a global company headquartered in the United States, founded in 1999, with 25 years of industry experience. It has offices in California, USA, and Córdoba, Argentina, and its talent network spans over 18 countries thanks to its flexible and remote work policy. Specializing in custom enterprise software development, Santex operates through its Hubs, which cover eCommerce, BIM, Mobility, Content Delivery, Integration, Web and Mobile Development, Cloud Computing, Artificial Intelligence (AI), Data Science, Consulting, and IT Services. Additionally, Santex is committed to creating a positive impact in three dimensions: economic, social, and environmental.

Job Description: 

We are looking for a highly experienced Senior Full-Stack Developer with deep expertise in Node.js, TypeScript, and AWS to join our team. This role is ideal for a person who thrives in complex, high-scale environments, driving innovation and best practices in cloud-native development.

Responsibilities

• Architect, develop, and maintain scalable backend and full-stack solutions using Node.js and TypeScript.
• Lead the development of high-performance APIs and microservices, ensuring best practices in scalability, security, and performance.
• Drive cloud-native development leveraging AWS services (Lambdas, DynamoDB, S3, API Gateway, etc.).
• Optimize application performance and implement robust monitoring solutions.
• Contribute to system architecture discussions, ensuring alignment with business objectives.
• Collaborate with cross-functional teams (engineering, product, DevOps) to define and implement cutting-edge solutions.
• Ensure code quality and maintainability by enforcing best practices in testing, CI/CD pipelines, and software architecture.
• Participate in technical mentoring, code reviews, and knowledge sharing within the team.

Requirements

• 8+ years of experience in full-stack development, with a strong backend focus.
• Expert-level proficiency in Node.js and TypeScript.
• Deep experience with AWS services, including Lambda, API Gateway, DynamoDB, S3, and more.
• Strong understanding of event-driven architecture and microservices.
• Expertise in RESTful APIs and asynchronous programming.
• Proficiency in relational (PostgreSQL, MySQL) and NoSQL (MongoDB, DynamoDB) databases.
• Experience with containerization (Docker, Kubernetes) and CI/CD pipelines.
• Strong experience with version control (Git) and Agile development methodologies.
• Experience with front-end technologies (React.js, Next.js is a plus).
• Ability to lead technical initiatives, drive best practices, and mentor junior developers.

Soft Skills & Language Requirements

• Advanced English (spoken and written) – ability to communicate complex ideas effectively.
• Strong problem-solving and analytical skills.
• Ability to work in fast-paced, dynamic environments, adapting to evolving business needs.
• Proactive mindset with a passion for technical excellence and continuous improvement.