Senior Full-Stack Developer (Must: Node & React)

Santex is a global Certified B technology company as well as one of North America's fastest-growing companies, according to the Inc. 5000. It’s present in 18 countries and over 100 cities, and headquartered in Argentina with offices in the United States, Mexico, and Peru.

Its two service lines — AI Tech Consulting and AI-Optimized Engineering — help organizations comprehensively adopt technology, expand their capabilities, and improve business outcomes at scale.

The same approach defines its culture: Santex has 80.4% employee engagement (global average: 21%), 8% annual turnover (tech sector: 20–25%), 9,369 training hours invested in 2025 — more than double the global average —, and a 26.5% year-over-year reduction in carbon footprint, achieving carbon neutrality through offsetting.

Santex. A company with purpose and judgment. Yes, it's possible.

We are an Equal Opportunity Employer and are committed to fostering an inclusive and diverse workplace. We do not discriminate on the basis of race, color, religion, sex, gender identity or expression, sexual orientation, national origin, age, disability, veteran status, genetic information, or any other characteristic protected by applicable law. All qualified applicants will receive consideration for employment without regard to any of these factors. We strongly encourage candidates from all backgrounds to apply.

Job Description: Senior Full-Stack Developer (Node & React)

We are looking for a Senior Full-Stack Developer with a strong orientation towards Backend development to join our team. The ideal candidate is a proactive and enthusiastic engineer with extensive experience in building consumer-facing products. We seek a professional who not only possesses deep technical knowledge in Node.js and React but also shares the Santex culture of participation and continuous growth.

• Design and implement innovative next generation systems in food tech and high performance products and services for hundreds of millions of global users
• Drive best practices and engineering excellence as part of a positive and cohesive team
• Provide detailed and constructive design and code reviews to teammates on their code
• Write multiple forms of testing, including in unit, integration, and end-to-end
• Create best-in-class software based on an understanding of business and technical priorities and needs

• 7+ years of engineering experience working on real-life, consumer facing products and services
• Experience with JavaScript frameworks, React andNodeare preferred
• Experience with TypeScript, GraphQL, Dynamic DB, API Gateway, Circle CI, Redux, Apollo.
• Experience using modern Javascript build and packaging systems
• Familiarity with serverless technology like AWS, Google Cloud Platform, and/or other cloud offerings
• Experience in Terraform.
• Experience with both functional and object-oriented programming patterns
• Knowledge of both relational and non-relational database systems and their tradeoffs in practice
• Excellent team player with strong interpersonal and communication skills
• Bachelor’s Degree in Computer Science or related fields

📍Location

• Argentina or Perú.