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# Software Engineer

- **Company:** Ai-native
- **Location:** Barcelona, Spain
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Cloud Computing, Cursor (Graphical User Interface Elements), Distributed Systems, Payment Systems, Node.Js, Salesforce.Com, Software Engineering, TypeScript, Backend, Event Driven Architecture, Stripe, Front End Software Development, Vertica, Api Design, Golang
- **Published:** July 20, 2026
- **Apply:** https://es.trabajo.org/oferta-3206-3184ef6e6f0ba5620d8d5f05cfd78438

## About the Role

for builders. People who thrive in ambiguity, move fast and enjoy creating things from zero to one. Core Requirements - 3-7 years of software engineering experience - Strong production ownership experience - Full-stack capabilities across backend, frontend, and infrastructure - Experience with Go, TypeScript, or another strongly typed backend language - Experience building APIs, cloud-native systems, or event-driven architectures - Strong shipping mentality: building, deploying, maintaining, and owning systems in production - Strong problem-solving skills and adaptability - Comfortable operating in fast-changing, early-stage environments Nice to Have - Experience with billing, metering, payment systems, or financial infrastructure - Background in high-performing scale-ups, fintech companies, or AI-native startups - Experience working on distributed systems at scale - Exposure to observability, infrastructure reliability, or data-heavy platforms - High
ownership from day one - Competitve salary ranges - Direct impact on product and engineering direction - Foundational influence on a new Barcelona engineering hub - Opportunity to work on complex systems at the intersection of AI, infrastructure, and fintech - Meaningful long-term upside and growth potential This is a chance to build core infrastructure for the next generation of AI-native products - from the very beginning.

## Description

behind You'll work alongside operators who have already built category-defining companies: - CEO previously scaled a company to $250M ARR and a $4.4B valuation - CPO previously founded and sold a billing infrastructure company to Salesforce - Early engineers and advisors from Stripe, Meta & Palantir - The Barcelona office will become the company's founding engineering hub in Europe. What You'll Build You'll work across backend systems, infrastructure, APIs, internal tooling, and product experiences tied directly to revenue-critical workflows. - Billing & Invoicing Infrastructure - Customer Value Receipts - Event Monitoring Systems Tech Environment Current stack - Go (Golang) - TypeScript / Node.js - AWS - ClickHouse - Distributed systems & event-driven architecture - High autonomy & low ego - Fast execution over bureaucracy - AI tools fully embraced (Cursor, Claude Code, etc.) - Pragmatic engineering with strong product thinking What we're looking for We're looking


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