via ats_greenhouse · 8 juin 2026 ·il y a 5 jours

Senior Node Developer (Must:AWS)

santex
Argentina / Perú
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<p style="font-family: Helvetica, Arial, sans-serif; font-style: normal; font-weight: 400; color: rgb(0, 0, 0); margin: 0px !important; padding: 0px !important;"><span style="font-family: arial, helvetica, sans-serif;">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.</span></p>
<p style="font-family: Helvetica, Arial, sans-serif; font-style: normal; font-weight: 400; color: rgb(0, 0, 0); margin: 0px !important; padding: 0px !important;"><span style="font-family: arial, helvetica, sans-serif;">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.</span></p>
<p style="font-family: Helvetica, Arial, sans-serif; font-style: normal; font-weight: 400; color: rgb(0, 0, 0); margin: 0px !important; padding: 0px !important;"><span style="font-family: arial, helvetica, sans-serif;">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.</span></p>
<p style="font-family: Helvetica, Arial, sans-serif; font-style: normal; font-weight: 400; color: rgb(0, 0, 0); margin: 0px !important; padding: 0px !important;"><span style="font-family: arial, helvetica, sans-serif;">Santex. A company with purpose and judgment. <em>Yes, it's possible.</em></span></p>
<p style="font-family: Helvetica, Arial, sans-serif; font-style: normal; font-weight: 400; color: rgb(0, 0, 0); margin: 0px !important; padding: 0px !important;"> </p>
<p style="font-family: Helvetica, Arial, sans-serif; font-style: normal; font-weight: 400; color: rgb(0, 0, 0); margin: 0px !important; padding: 0px !important;"><span style="font-family: arial, helvetica, sans-serif;">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</span></p>
<p style="margin: 0px !important; padding: 0px !important;"><span style="font-family: arial, helvetica, sans-serif;">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.</span></p>
<p style="margin: 0px !important; padding: 0px !important;"><span style="font-family: arial, helvetica, sans-serif;">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.</span></p>
<p style="margin: 0px !important; padding: 0px !important;"><span style="font-family: arial, helvetica, sans-serif;">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.</span></p>
<p style="margin: 0px !important; padding: 0px !important;"><span style="font-family: arial, helvetica, sans-serif;">Santex. A company with purpose and judgment. <em>Yes, it's possible.</em></span></p>
<p style="margin: 0px !important; padding: 0px !important;"> </p>
<p style="margin: 0px !important; padding: 0px !important;"><span style="font-family: arial, helvetica, sans-serif;">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.</span></p>
<p><span style="font-family: arial, helvetica, sans-serif;"><strong>ROLE:</strong> Senior Node Developer (Must:AWS)</span></p>
<p><span style="font-family: arial, helvetica, sans-serif;"><strong>Engagement overview</strong></span><br><span style="font-family: arial, helvetica, sans-serif;">The client is a globally recognized quick-service restaurant brand operating a large-scale digital ordering platform across mobile (iOS, Android), web, and kiosk channels. Their in-house Digital Engineering team has built and operates a production AWS Cognito identity platform serving millions of monthly active users across North America. This engagement extends that platform to support European markets across multiple EMEA regions, with loyalty registration and authentication scoped to country- pecific rules. The North American architecture is complete and documented. The candidate's primary mandate is backend middleware and identity implementation only — no UI work.</span></p>
<p><span style="font-family: arial, helvetica, sans-serif;"><strong>Scope assumptions: </strong>Backend middleware and identity services only · No UI work · Dynatrace APM integration included</span><br><br><span style="font-family: arial, helvetica, sans-serif;"><strong>Required qualifications</strong></span></p>
<ul>
<li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Demonstrated production experience with AWS serverless infrastructure: Lambda, Cognito, SES, IAM, ACM, and CloudWatch</span></li>
<li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Hands-on Terraform experience for AWS, including multi-environment or multi-region deployments</span></li>
<li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Node.js proficiency — all Lambda functions are JavaScript</span></li>
<li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Working knowledge of OAuth 2.0, OpenID Connect, and password-based Cognito authentication flows</span></li>
<li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Familiarity with GDPR and AWS data residency controls in an EU deployment context</span></li>
<li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Available to begin immediately</span></li>
</ul>
<p><span style="font-family: arial, helvetica, sans-serif;"><strong>Preferred qualifications</strong></span></p>
<ul>
<li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Direct AWS Cognito experience: USER_PASSWORD_AUTH flows, forced password reset ( FORCE_CHANGE_PASSWORD state), and admin-initiated flows</span></li>
<li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Experience implementing country-specific registration and consent logic within a shared identity platform</span></li>
<li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">JIT account migration experience with forced reset on first login patterns</span></li>
<li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Dynatrace APM integration in a Lambda/serverless environment</span></li>
<li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Social IdP integration via Cognito (Google, Apple, Facebook)</span></li>
<li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Kount or equivalent fraud detection API integration</span></li>
<li style="font-family: arial, helvetica, sans-serif;"><span style="font-family: arial, helvetica, sans-serif;">Multi-regional identity platform experience at scale (1M+ MAU)</span></li>
</ul>
<p><span style="font-family: arial, helvetica, sans-serif;"><strong>Candidate profile notes</strong></span></p>
<p><span style="font-family: arial, helvetica, sans-serif;">The right candidate is a self-sufficient AWS serverless engineer who can work from existing architecture documentation and deliver independently against a fixed production deadline. This is not a design or architecture role — the client has a senior architecture team in place. The most critical differentiator is experience with Cognito's password-based authentication model and forced migration/reset flows. Strong AWS generalists without Cognito-specific experience can succeed with solid Lambda, SES, and Terraform fundamentals, but expect a steeper ramp given the timeline.</span></p>

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