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Santex

Principal Software Architect (Must: React & Typescript)

Argentina
Level
Principal

Not stated in the posting: salary, work type, visa.

Open. First seen 3 October 2026.

Apply on the company's site →

About the role

Job Title: Principal Architect with React & Typescript (GO nice to have)
Company: Santex Group
About Us: 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.

Santex's standard text

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's standard text

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.

Position Overview: As a Principal Architect with React & Typescript at Santex Group, you will be part of a seasoned team of software engineers and will help accomplish the company goals through feature development and delivery.
Industry: Fintech

Responsibilities:

  • Design, implement and deliver complex software systems
  • Collaborate with cross-functional teams to support technical roadmaps
  • Understand an collaborate in architectural decisions to ensure scalability, reliability, and maintainability
  • Conduct code reviews, .follow coding standards, and enforce best practices
  • Stay abreast of industry trends and technologies to drive continuous improvement
  • Work closely with stakeholders to understand business requirements and translate them into technical solutions

Requirements:

  • Proven experience as a Principal Architect with focus in FrontEnd or similar role
  • Expertise in one or more programming languages
  • TypeScript (Must)
  • React.js (Must)
  • Go (a plus)
  • Experience with cloud platforms, preferably AWS, Lambda Functions (a plus)
  • Strong understanding of software architecture and design patterns
  • Excellent problem-solving and communication skills
  • Advanced English required.

Nice to Have:

  • Knowledge of microservices architecture and containerization technologies
  • Familiarity with front-end technologies (JavaScript, React, React Native)
  • Contributions to open-source projects or technical publications

Required Soft Skills:

  • Lead and inspire a team, promoting a collaborative and high-performing environment
  • Maintain a client-focused approach, staying attentive and responsive to their needs
  • Be available and dependable when the project requires it
  • Approach problems with a proactive, resolution-driven attitude
  • Build strong relationships through a warm, human, and approachable communication style

Location: Córdoba or Buenos Aires.
Working hours: 9 AM to 6 PM Miami time (EST)

What this role asks for

Particular to this role

Golang · React Native · Serverless

Rare in Santex's other 7 open postings.

Standard for frontend roles

JavaScript · React · TypeScript

Common in frontend postings at any company.

76% of this description is written for the role. The rest is Santex's standard text, folded away below.

Read against Santex's other open postings on this site.

The team: Operation/Development HIRES STEADILY

This role is one of 8 open in Operation/Development. 3 were posted in the last 30 days and the oldest in June: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

React (4 of 8), AWS (3 of 8), Microservices (3 of 8), REST (3 of 8), ETL (2 of 8), Golang (2 of 8), OAuth (2 of 8)

OTHER ROLES ON THIS TEAM

From the team and dates on Santex's own job board.

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