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# Senior Product Engineer - Talent Domain - Factorial Hr

- **Company:** Factorial Hr
- **Location:** Barcelona, Spain
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Cloud Computing, Cloud Engineering, Ruby on Rails, Software Engineering, ReactJS, Large Language Models, Multi-Agent Systems
- **Published:** September 16, 2026
- **Apply:** https://www.buscojobs.com.es/senior-product-engineer-talent-domain-factorial-hr-en-barcelona-ID-372127518

## About the Role

Experience shipping AI-powered features; ability to evaluate production results over just building
Proficiency in Ruby on Rails & React
Ability to explain complex technical decisions to non-coders
Comfort reviewing agentic workflows and making informed LLM architecture tradeoffs
Experience integrating AI models into scalable, cloud-native environments
Ability to guide teammates transitioning from deterministic to probabilistic thinking
strong collaboration
clear communication
problem-solving mindset
Ruby on Rails
React
AI feature integration

## Description

OverviewIn this role you will help scale Factorial's AI-driven Talent Domain, building tools for managers and HR to recruit, engage, train, and develop employees.You will focus on designing architectures and multi-agent workflows that enable reliable, scalable AI features.You'll work closely with an engineering team delivering product-grade AI that moves beyond experimentation.This is an opportunity to shape how AI powers people management at scale and impact thousands of companies.Compensaciones / BeneficiosAlan private health insuranceWellhub access (gym, pools, classes)Cobee expense managementLanguage classesBreakfast in the office and organic fruitPet friendlyResponsabilidadesDesign system architectures and high-level prompts for multi-agent AI featuresReview and validate agent outputs, ensuring security, scalability, and maintainabilityOrchestrate multiple AI agents to produce coherent feature outputsDefine and experiment with custom workflows, sharing findings with the teamTranslate complex technical decisions into understandable terms for non-developersCollaborate with cross-functional teams to integrate AI models into cloud-ready environmentsRequisitos principales4+ years in software engineering with a track record or strong curiosity in shipping AI featuresExperience shipping AI-powered features; ability to evaluate production results over just buildingProficiency in Ruby on Rails & ReactAbility to explain complex technical decisions to non-codersComfort reviewing agentic workflows and making informed LLM architecture tradeoffsExperience integrating AI models into scalable, cloud-native environmentsAbility to guide teammates transitioning from deterministic to probabilistic thinkingstrong collaborationclear communicationproblem-solving mindsetRuby on RailsReactAI feature integration


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