
Job Overview
Location
Barcelona
Job Type
Full-time
Category
Software Engineering
Date Posted
June 13, 2026
Full Job Description
📋 Description
- • Work directly with enterprise customers to onboard, implement, and optimize HappyRobot’s AI platform across voice, email, and enterprise systems.
- • Build full-stack applications using React, TypeScript, Node.js, and Python to create custom features, MVPs, and scalable tools that enhance customer outcomes.
- • Design, implement, and iterate on AI/ML solutions including LLM prompting, voice model tuning, and transcription optimization tailored to specific customer use cases.
- • Manage API integrations with third-party enterprise systems to ensure seamless, reliable connectivity and data flow for customer operations.
- • Collaborate cross-functionally with Product, Engineering, and Customer Success teams to translate customer feedback into product improvements and new capabilities.
- • Prioritize and manage multiple high-stakes projects under tight deadlines while maintaining rigorous quality standards and customer satisfaction.
- • Take extreme ownership of customer success — proactively identify and resolve issues, even when outside traditional responsibilities, with no blame-shifting or waiting for others to act.
- • Apply craftsmanship to every task, from code quality to documentation and customer interactions, ensuring every deliverable reflects deep attention to detail and excellence.
- • Operate with urgency and focus: move quickly but prioritize ruthlessly to achieve maximum impact with minimal effort, aligning all work to high-leverage outcomes.
- • Embody a founder mindset: work independently, take initiative, and drive projects from concept to deployment without needing constant direction.
- • Engage with customers as a technical partner, explaining complex AI and engineering concepts clearly to non-technical stakeholders to enable adoption and trust.
- • Contribute to product innovation by identifying patterns in customer usage and proposing new features or architectural improvements based on real-world deployment data.
- • Uphold the company’s operating principles: be a “majo” — kind, genuine, and collaborative; challenge assumptions with first-principles thinking; and raise the bar through merit-based contribution.
🎯 Requirements
- • Strong full-stack experience: React, TypeScript, Node.js
- • Hands-on proficiency in Python
- • Experience building AI/ML applications, including LLM prompting and tuning
- • Ability to manage APIs and integrate with third-party systems
- • Excellent communication skills with the ability to explain technical concepts to non-technical stakeholders
- • Proven ability to prioritize and manage multiple projects under tight deadlines
- • Founder mindset: highly independent, takes ownership, and thrives in a fast-paced environment
🏖️ Benefits
- • Opportunity to work at a high-growth AI startup, backed by top investors including a16z, Y Combinator, and Base10
- • Ownership & Autonomy — take full ownership of projects and ship fast
- • Top-Tier Compensation — competitive salary + equity in a high-growth startup
- • Work With the Best — join a world-class team of engineers and builders
Skills & Technologies
See exactly how your profile matches this role — strengths, skill gaps, and what to do about them.
About HappyRobot AI Inc.
HappyRobot AI builds voice AI agents that automate repetitive phone calls for logistics, freight, and supply-chain companies. Its cloud platform lets shippers, brokers, and carriers offload tasks like appointment scheduling, check calls, and rate negotiation to conversational bots that integrate with TMS, ELD, and CRM systems via API. The company targets mid-market and enterprise freight operations seeking to cut labor costs and accelerate data entry without sacrificing accuracy or carrier relationships.
Subscribe to the weekly newsletter for similar remote roles and curated hiring updates.
Newsletter
Weekly remote jobs and featured talent.
No spam. Only curated remote roles and product updates. You can unsubscribe anytime.
Similar Opportunities

Gramian
3 months ago

Workato, Inc.
12 days ago

Alternative Payments Ltd.
6 months ago

A Medium Corporation
8 months ago