What you will do

- Work on specific problem spaces critical to Klarna's needs, with opportunities to switch teams as both you and our fast-paced business evolve.

- Lead the design, development, and maintenance of JavaScript-based applications, ensuring high performance, scalability, and reliability across both frontend and backend.

- Work with modern technologies such as TypeScript, Node.js, React, and React Native to build seamless and scalable solutions.

- Utilize cloud technologies, primarily AWS, to develop and deploy services.

- Engage in the full project lifecycle—from conception to deployment and beyond—ensuring projects are delivered on time and to specifications.

- Collaborate with cross-functional teams across Klarna to align on integration strategies and optimize system architecture.

- Drive an engineering culture within the team, emphasizing innovation, quality, and continuous improvement.

- Proactively identify and mitigate potential issues in our distributed and financial systems.

- Work in small autonomous teams with short release cycles.

Who you are

- Proficient in TypeScript and JavaScript,



with strong experience in Node.js and modern frontend frameworks (e.g., React / React Native).

- Experienced in architecting and building scalable, robust systems across the stack.

- Skilled with cloud technologies, especially AWS.

- Adept in distributed systems, with the ability to anticipate and mitigate issues proactively.

- Independent, able to manage projects end-to-end and contribute to technical direction.

- A strong communicator, capable of collaborating effectively across teams and domains.

- Experience mentoring others and contributing to a positive engineering culture.

- Working proficiency and communication skills in verbal and written English.

Awesome to have

- Experience with microservices architecture and event-driven systems.

- Familiarity with REST and/or GraphQL APIs.

- Experience with tools such as Kafka, Docker, Jenkins, Datadog, or Splunk.

- Experience working in fintech or other regulated environments.

Please include a CV in English.

Curious to learn more about Klarna and what it’s like to work here? Explore our career site!

📌 Lead Fullstack Engineer - Javascript (Italia)
🏢 Klarna Bank
📍 Italia