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Senior Full-Stack AI Engineer

4 months, 2 weeks ago
Mexico, Argentina, Brazil, Colombia, Peru, Uruguay
Contract
Senior
AI Engineer
Software Development
AWS Azure CI/CD Express.js GCP JavaScript NestJS Next.js Node.js PostgreSQL React Secrets Management SQL TypeScript Vercel
Apply Now
Workana

Workana

Workana: Leading Latam's freelance marketplace, connecting top talent with innovative projects for remote and freelance work.

Internet Software & Services
1K-5K
Founded 2012
$3M raised
View All Jobs 30

Description

  • Own end-to-end delivery from UI and backend development through deployment.
  • Design, build, and harden full-stack AI-enabled features for client projects.
  • Implement Gen-AI capabilities such as RAG, tool-calling, agent workflows, structured prompting, evals, and guardrails.
  • Prototype solutions quickly and then improve them for security, reliability, and cost control.
  • Make technical decisions on patterns, trade-offs, and scope boundaries.
  • Collaborate closely with strategists, clients, and senior engineers to unblock delivery.
  • Configure development environments, CI/CD, secrets management, and deployments with light DevOps ownership.
  • Work on real client systems rather than demos, with a focus on production quality.

Requirements

  • 6–8+ years of experience building production software across front-end and back-end.
  • Hands-on Gen-AI experience in real products, not just experiments.
  • Strong command of JavaScript / TypeScript.
  • Experience with modern stacks such as React / Next.js, Node.js (Nest, Express, or similar), SQL databases like Postgres, caches, and vector stores.
  • Ability to design secure, production-grade systems with RBAC, secrets management, auditability, and PII-aware data handling.
  • Cloud experience with AWS, GCP, Azure, or Vercel.
  • Understanding of CI/CD fundamentals.
  • Clear communication skills and ability to explain trade-offs to non-engineers.
  • Comfort working embedded with a client team.
  • Experience in retail, hospitality, logistics, healthcare, or regulated environments is a plus.
  • Prior consulting or agency delivery experience is a plus.
  • English level B2–C1 and availability to overlap with U.S. Eastern Time.

Benefits

  • Initial 3–4 month engagement with strong potential to extend and join future projects.
  • Remote, nearshore-friendly work from LATAM with 4–5 hours overlap with U.S. Eastern Time.
  • Senior-level ownership with real autonomy and end-to-end decision-making.
  • Opportunity to ship production AI features for mid-market and enterprise clients.
  • Small, high-trust senior teams with direct collaboration across strategists, engineers, and client stakeholders.
  • Modern TypeScript-first full-stack stack with AI tooling integrated into the workflow.
  • Clear scope and accountability through a time-and-materials model with tracked hours.
  • Opportunity to practice English in real client settings.
  • Note: this role requires logging hours in an internal time-tracking tool.

Interested in this position?

Apply directly on the company website

Apply Now

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