About This Role We're hiring a Principal Engineer, a senior individual contributor who anchors complex, high?You already use AI as part of how you think, build, test, and ship, and shape how the team does the same.
You'll write code that moves money in production, anchor the engineering on complex, high?contributor role: you lead through technical authority and influence, not by managing people, and you partner with team leads, architects, and engineering managers who own team delivery and the people.
What You'll Do Anchor the engineering on complex, high?on, shipping production code on the critical path and the parts that most need senior judgment.
Partner with product, design, compliance, and engineering leadership to turn ambiguous goals into clear, shippable technical plans.
Use agentic coding tools (Copilot, Cursor, Claude Code, or equivalent) daily across the SDLC, and lead modernization from legacy services into the modern stack alongside architects and team leads.
What We're Looking For Must?have 8+ years building production software across the full stack, end?to?end.
Strong frontend proficiency with Vue.Js, React, or equivalent.
Strong backend proficiency in C# /.
NET preferred; other OOP languages welcome (Java, Kotlin, Go, or equivalent).




Frontend fundamentals: responsive design, accessibility, web performance, and internationalization.
Solid SQL and relational database fundamentals.
Daily use of agentic coding tools (Copilot, Cursor, Claude Code, or equivalent) across the SDLC, and a clear point of view on how an engineering team should adopt AI.
Production experience on AWS, including hands?on deployment, CI/CD pipelines and modern deployment practices, and native services such as SQS, Dynamo DB, S3, ECS, and Lambda.
Experience setting engineering standards or technical strategy adopted across teams.
Experience with caching solutions like Memcached or Redis.
Experience using project management and documentation tools like Jira and Confluence.
Writing automated tests alongside development with AI tools (Claude Code or equivalent).
Perks & Benefits Annual performance?related rewards: performance?based annual bonus Employee Stock Purchase Plan (ESPP): open to all employees Car allowance: monthly car allowance (subject to Direction Level) Meal vouchers: 8€ per working day Preferential currency exchange rates: exclusive rates for employees Money

📌 Principal Engineer (Madrid)
🏢 Xe
📍 Madrid