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Félix

Senior Full Stack Engineer – Integrations Team

Félix

. Architect and implement high-performance, scalable backend microservices, including core components of the Chat Platform .

Posted 11/2/2026full-timeMexico City • MexicoSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates expertise in architecting and implementing scalable backend microservices and UI services, utilizing Google Cloud services and established industry standards. Proven ability to mentor junior developers and collaborate effectively across teams to enhance product impact and user experience.

Highest-signal resume keywords
Backend Microservices ArchitectureGoogle Cloud ServicesSOAP and REST APIsAlgorithms and Data StructuresMentoring Junior Developers

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
MicroservicesBackend DevelopmentWeb ServicesAlgorithmsData StructuresA/B TestingFeature FlagsEvent Driven ArchitectureReal-Time MessagingChatbot Development
Soft Skills
CollaborationPrioritizationCuriosityInnovative ThinkingContinuous Learning
Tools & Technologies
AI ToolsClaudeCursorCodexAnalytics
Industry Keywords
FintechConversational InterfacesCustomer FeedbackScalable InfrastructureReal-World Impact

Tech Stack

Tools & technologies
CloudMicroservicesSOAP

About the role

Key responsibilities & impact
  • Architect and implement high-performance, scalable backend microservices, including core components of the Chat Platform
  • Build, deploy, and iterate on UI services and conversational interfaces for remittance services
  • Design and manage infrastructure capable of handling millions of daily requests with real-time messaging capabilities
  • Develop backend services using established industry standards and Google Cloud services
  • Mentor junior developers and collaborate with product, UX/UI, and business teams
  • Use customer feedback and analytics to improve the conversational experience and chatbot effectiveness

Requirements

What you’ll need
  • 5+ years of experience as a Software Engineer in a fast-paced environment
  • Proven ability to build, ship, and iterate on software applications with an emphasis on real-world impact
  • Strong foundation in algorithms and data structures
  • Experience with web services, including SOAP and REST APIs
  • Familiarity with architectural patterns like Hexagonal Architecture, Event Driven Architecture, A/B Testing, Feature Flags, and Gradual Rollouts
  • Familiarity with AI tools such us: Claude, Cursor, Codex or similar technologies
  • Passion for building products that positively impact millions
  • Commitment to continuous learning and exploration of new technologies
  • Ability to thrive in a collaborative environment and contribute actively with innovative ideas
  • Excellent prioritization skills
  • Curiosity and/or experience in Fintech is an added advantage (though equivalent competencies will also be considered)
  • Fluent or Advanced English

Benefits

Comp & perks
  • Initial stock options grant
  • Annual performance bonus
  • Health, dental, and vision plans
  • Work model: Currently fully remote, with a future transition to a hybrid setup
  • Continuous learning opportunities
  • Unlimited PTO
  • Paid parental leave
  • Empowering opportunities for growth in a dynamic entrepreneurial environment