Staff Software Engineer

Experteer Overview As a Staff Software Engineer at Factorial, you will shape AI-native features from end to end, collaborating closely with Product, Design, and Engineering to ship production-ready capabilities.You’ll work with Rails and React, designing scalable systems and guiding technical direction for meaningful roadmap areas.You’ll lead cross-functional initiatives to build reusable AI components and reliable, compliant product experiences.This role offers impact across a fast-growing, mission-driven company building with LLM APIs and agentic workflows.Compensaciones / Beneficios * Set technical direction for meaningful roadmap chunks and make architecture decisions * Collaborate tightly with Product and Design from the earliest planning stages * Own end-to-end systems from problem to production rollout and long-term maintenance * Engage with customers to capture real problems and feed context back into solutions * Define how to build AI features at scale, ensuring reliability and compliance * Promote spec-driven development with clear success criteria and edge-case handling * Create reusable components and abstractions usable by other teams * Design and evolve modular AI skills that automate workflows and ensure safe actions * Build monitoring and quality tooling (automatic and human-in-the-loop) * Ground AI outputs in trusted data sources, balancing flexibility and determinism * Raise engineering culture through mentoring and better practices * Avoid roles focused on model training or fine-tuning as this is product engineering with LLM APIs Responsabilidades * Solid depth in both backend and frontend software engineering * Experience shipping real products to production * Understanding of APIs, cloud platforms (AWS, Azure, or GCP), and system design * Experience integrating LLM APIs into product features and shipping to users * Proven leadership and ability to influence technical direction and culture * Ability to advocate for effective processes, hiring, and deployment practices * Experience building scalable, secure, and governable components * Clear English communication; Spanish a plus Requisitos principales * Alan private health insurance * Wellhub fitness benefits * Cobee expense management * Language classes * Breakfast in the office and organic fruit * Pet friendly workplace

engineering with LLM APIs Responsabilidades * Solid depth in both backend and frontend software engineering * Experience shipping real products to production * Understanding of APIs, cloud platforms (AWS, Azure, or GCP), and system design * Experience integrating LLM APIs into product features and shipping to users * Proven leadership and ability to influence technical direction and culture * Ability to advocate for effective processes, hiring, and deployment practices * Experience building scalable, secure, and governable components * Clear English communication; Spanish a plus Requisitos principales * Alan private health insurance * Wellhub fitness benefits * Cobee expense management * Language classes * Breakfast in the office and organic fruit * Pet friendly workplace