[Hiring] Senior FullStack Developer @EX Squared LATAM

Role Description

As a member of EX Squared LATAM, you will leverage modern tools and frameworks (REACT and Node.js) to:

• Architect and develop applications from the ground up, focusing on enabling agentic workflows.
• Design systems that empower autonomous agents to interact, make decisions, and execute tasks seamlessly.
• Build both the application logic and the underlying cloud infrastructure needed to support scalable, dynamic agent operations.
• Integrate security into all services.
• Participate in the research and solution of complex problems while knowing when to ask for help.
• Demonstrate initiative and a proactive approach to work.

Qualifications

• 5+ years of working knowledge with modern frameworks and languages (REACT & NodeJS).
• Familiarity with OAuth2/OIDC, API key management, and access audit trail patterns.
• Experience with SSR applications.
• Experience with GraphQL and Apollo.
• Experience building or integrating MCP-compatible REST/GraphQL APIs.
• Familiarity with SLO definition and basic observability practices for production API services.
• Hands-on experience with LLM structured output patterns.
• Familiarity with LLM evaluation approaches.
• Experience building agentic workflows.

Requirements

• Demonstrated experience defining and rolling out engineering standards.
• Experience managing and growing engineers.
• Track record of driving AI tool adoption within an engineering team.
• Comfort operating at the intersection of technical leadership and delivery management.
• Familiarity with AWS & Docker.
• Experience with Styled Components.
• Experience with prompt caching, semantic routing, or output memorization strategies.
• Ability to instrument LLM calls with structured traces.

Benefits

• Competitive compensation in USD.
• Access to learning platforms and professional development opportunities.
• Flexible work environment.
• Collaborative and multicultural teams.

Eligibility Note

This opportunity is only available to candidates currently residing in Latin America or Brazil. Applications outside these regions will not be considered.

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