Job Objective: The Senior Back End Engineer will play a critical role in building the core of our product . This position owns the backend architecture, core systems, and platform evolution, ensuring everything is scalable, modular, and enterprise-ready. Working closely with the CEO and CTO , this role turns ideas into production-ready solutions, helps define the company's technical DNA, and ships high-impact features at speed. The engineer will design and develop the AI orchestration engine that converts natural-language inputs into executable workflows, as well as build and maintain robust integrations with key enterprise tools. Beyond execution, this role contributes to setting engineering standards, defining best practices, and collaborating directly with customers to ensure successful implementations and continuous product improvement. Responsibilities: Build end-to-end product features using TypeScript, Next.js, Python, and SQL. Develop integrations with Slack, Teams, HubSpot, SAP, and many others. 4+ years shipping production software.



Strong skills in Python and LLM experience. Knowledge of TypeScript / Next.js (plus) Experience connecting to third-party APIs or automation platforms. Proven experience in deploying enterprise-grade products with a strong focus on data security and compliance. Mandatory: English proficiency (C1+) and comfort working with an international team. Why Join us: Be part of the team building a worldwide AI company radically changing how enterprise software should be. Build technology used by integral enterprises to make work simpler and smarter. Perks: Schedule: Monday to Friday 9:00 am to 6:00 pm Modality: Full-time, Contractor, On-site in Mexico City Salary: $4,500 USD Net Monthly Equity About the company: Handbook is building the world's first AI Manager for processes that, with just plain language, turn legacy processes into AI-first, creating adaptive software to manage the process, and guiding and ensuring people do the things th

📌 Senior Back-End Developer Engineering · · (Lerdo)
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