Lead fullstack engineer - javascript
Pubblicato il 13-08-2026 - Klarna in Milano
Job-ID: 6fd6be28-6671-4bc7-ae9f-6549cc72902d Location: Milan Salary: 81704 - 93142 EURType: Tempo pieno Posted: 2026-04-28 Contact: ivy.chiang@ 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 Java Script-based applications, ensuring high performance, scalability, and reliability across both frontend and backend.
- Work with modern technologies such as Type Script, 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 Type Script and Java Script, 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 Graph QL 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!