Overview In this role you will own and improve systems that handle real-money transactions for millions of users. You'll work across domains in a hands-on capacity, shaping architecture and decisions that impact reliability and business outcomes. You'll mentor peers and elevate engineering practices while embedding AI as a working method, not just a demo.

This is a growth-focused opportunity at Klarna to push the boundaries of banking-scale engineering and influence multiple teams as the business evolves. You'll be central to delivering robust, compliant financial systems and driving cross-team collaboration.

Responsabilità Make defensible technical decisions and justify trade-offs Ensure designs align with broader architecture and reliability concerns Design for regulated banking constraints (reliability, auditability, controls)



Mentor engineers and raise technical standards across teams Act as a multiplier to elevate teams and domains Set standards for AI usage in everyday practice Requisiti fondamentali Proven experience building and operating high-scale, reliable systems Experience in Java, JavaScript, or Python environments Ability to articulate trade-offs and non-taken paths Strong communication to both technical and non-technical audiences Leadership through impact, not title, with ability to drive initiatives across teams Comfort with ambiguity and cross-team collaboration without formal authority cross-functional collaboration clear communication problem-solving under pressure Java JavaScript Python

📌 Lead Engineer (Contract) (Varese)
🏢 Klarna
📍 Varese