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: We are looking for a Principal Full-Stack Developer with expertise in React and heavy focus in Java to join our team. The candidate will oversee all technical aspects of our authorization layer that powers not only the global application but also over 70+ mission critical servicing applications. The successful candidate will focus on implementing our Point of Arrival (POA) authorization layer and delivery of features and enhancements for the entire global registration portfolio, including a top priority compliance initiative for our org.
Requirements:
- 10+ years of software development experience in a professional environment and/or comparable experience such as:
- Wide breath of engineering experience.
- Proven experience leading teams of engineers.
- Hands-on expertise with application design, software development, and automated testing.
- Experience with distributed (multi-tiered) systems, algorithms, and relational databases.
- Bachelor’s degree in computer science, computer science engineering, or related experience required; advanced degree preferred.
- Deep understanding of authorizations domain and industry standards (e.g., OAuth2, OpenID Connect, SAML).
- Java: 7+ years.
- React: 3+ years.
- RDBMs: 2+ years.
Desirable:
- Proven experience leading and mentoring engineering teams, including setting technical direction and driving execution across multiple initiatives.
- Expertise in designing and developing distributed systems with a focus on performance, scalability, and security.
- Experience in implementing authentication and authorization flows within enterprise-scale applications.
- Database migration experience.
- Cloud experience.
- FinTech, Banking domain knowledge.
- Familiarity with modern DevOps practices and CI/CD pipelines.
- Strong collaboration and communication skills, with experience engaging cross-functional teams including product, design, and infosec.
Tech Stack:
- Db2 (POA Postgres)
- SOAP (POA REST)
- REST via OneData powered by Vertex
- ETL via Ab Initio (POA Spark)
- Java
- gRPC
- Microservices
- On-prem/Cloud
Advanced English: Excellent verbal and written communication skills in English.
Required Location:
- México City / Guadalajara — Hybrid Position (office presence required) - Candidate will be expected to come into the office at least 2 days per month in Mexico City.
Skills Required
- 10+ years of professional software development experience or comparable engineering and leadership experience
- Broad engineering experience
- Experience leading teams of engineers
- Hands-on experience with application design, software development, and automated testing
- Experience with distributed or multi-tiered systems, algorithms, and relational databases
- Bachelor's degree in computer science, computer science engineering, or related experience
- Deep understanding of authorization domains and standards including OAuth2, OpenID Connect, and SAML
- 7+ years of Java experience
- 3+ years of React experience
- 2+ years of RDBMS experience
- Excellent verbal and written English communication skills
- Advanced degree
- Experience leading and mentoring engineering teams across multiple initiatives
- Distributed systems expertise focused on performance, scalability, and security
- Experience implementing enterprise authentication and authorization flows
- Database migration experience
- Cloud experience
- FinTech or banking domain knowledge
- Familiarity with DevOps practices and CI/CD pipelines
- Experience collaborating with product, design, and information security teams
- Ability to work hybrid in Mexico City with office attendance at least two days per month
What We Do
We are a B-certified, US-based global software services company with over 20 years of experience in creating and executing innovative business solutions for leading brands around the world. Our goal is to transform reality by integrating skills and experience to empower society through technology. Founded in 1999 in San Diego, California, we have multicultural teams in 16 countries and +100 cities around the world. Our corporate culture is what really makes us special: Santex is a people-focused organization and every decision we make is supported by our four core values: Courage, Passion, Trust, and Participation
