Senior Back End Engineer (On-Site, Mexico City) (Xico)

Job Opportunity: Senior Back End Engineer (On-site, Mexico City)

We are looking for an unconventional, high-energy engineer to own the backend architecture and build the core systems of a high-growth AI startup backed by top-tier global accelerators.

Working directly with the CEO and CTO, you will play a critical role in setting engineering standards and designing an AI orchestration engine that transforms plain language inputs into executable workflows for integral enterprises.

What You Will Do

• Own the Architecture: Own the backend systems, ensuring everything is scalable, modular, enterprise‑ready, and highly secure.
• Build AI Engines: Design and develop the core AI orchestration engine utilizing LLM frameworks and advanced data modeling.
• Develop Integrations: Create robust integrations with critical enterprise tools like Slack, Teams, Hub Spot, and SAP.
• Drive Product DNA: Turn ideas into high-impact, production-ready features at startup speed.

Profile Requirements

• 4+ years of experience shipping production-grade software.
• Strong Python development skills and hands‑on experience with LLM frameworks and third‑party APIs.
• Knowledge of Type Script / Next.js is a strong plus.
• Startup‑driven mindset: move fast, embrace ambiguity, and take end‑to‑end ownership of outcomes.
• Full English proficiency (C1+) with the comfort to work and collaborate within an international team.

What's in it for you?

• Compensation: $4,500 USD Net Monthly.
• Benefits: Equity package and opportunities for accelerated professional growth.
• Impact: Direct access to founders, real ownership of what you build, and technology used by global enterprises.
• Setup: Full‑time, Contractor role, on‑site in Mexico City (Reforma area).