Senior TypeScript Backend Engineer (AI): Building and optimizing high-load backend services for Groupon's integral commerce engine with an accent on KTLO stability and platform modernization using an AI-first approach. Focus on migrating legacy Java/Ruby systems to a cutting-edge TypeScript/Node.js microservices architecture and championing AI-assisted development practices.
Location:

Onsite in Madrid, Spain
Company

Groupon is a marketplace where customers discover new experiences and services everyday and local businesses thrive.
What you will do

Deliver complex technical initiatives independently within high-availability, mission-critical systems.
Lead technical reviews and contribute to architectural decisions, specifically driving TypeScript/Node.js migrations.
Champion AI-assisted development by using tools like Cursor and Claude hands-on.
Communicate technical trade-offs clearly to both technical and non-technical stakeholders.
Own operational excellence by maintaining and improving SLOs, observability, and comprehensive documentation.
Requirements





5+ years of software engineering experience

with deep proficiency in production-grade TypeScript and Node.js.
Distributed systems expertise in high-traffic environments, including API design, monitoring, and advanced debugging.
AI-Native workflow: Hands-on experience integrating AI coding tools (e.g., Cursor, Claude) into your daily development cycle.
Strong communication skills and a proven ability to drive cross-functional collaboration.
Nice to have

Experience scaling E-commerce or marketplace platforms.
A background in Java or Ruby to support modernization and refactoring projects.
Open source contributions or practical experience with AI/ML integration.
Culture & Benefits

Work in a company transforming with an AI-first approach.
Culture that inspires innovation, rewards risk-taking, and celebrates success.
Opportunity for immediate and meaningful impact due to the company's scale and speed of transformatio

📌 Senior TypeScript Backend Engineer (Madrid)
🏢 Talanto
📍 Madrid