Senior Software Engineer - Javascript

About us
With over 150 million global active users and 2 million transactions per day, Klarna is on the way to becoming the world's favorite way to shop. To help us get there, we're assembling an unparalleled global talent team—accelerating individual careers and disrupting entire industries. We're looking for people ready to achieve the extraordinary and embrace our bold ambitions as we shape the future of payments and fintech. Will you join us?


What You Will Do Own services end-to-end: decide how best to build, test, deploy, and monitor. Work with large-scale, highly available, and resilient modern financial systems. Be an integral part of a team, contributing to its culture and ways of working, including agile methodologies, pair programming, and mob programming. Implement automated deployment processes to enable multiple code releases per day. Collaborate and grow in a dynamic and autonomous environment, learning from successes and failures to drive continuous improvement. Take ownership of system design, work in cohesion with domain architects, manage end-to-end problem-solving, stakeholder communication, and mentor junior engineers. Drive knowledge sharing through demos, presentations, and tutorials. Who You Are Proficient in JavaScript, with strong coding abilities. Experience with advanced JavaScript libraries and frameworks such as React, React Native, and Redux. Familiarity with TypeScript, Node.js, and Express.js. Experience in API development and product development. Passionate about writing clean, testable code. Experienced with Agile practices (Pair Programming, TDD, BDD, Continuous Integration, Continuous Delivery). Strong verbal and written communication skills in English. A proactive team player with strong problem-solving skills and the ability to adapt to changing priorities and deadlines. Awesome to Have Experience with Java. Familiarity with AWS, Splunk, Ansible, Terraform, Jenkins, Docker, Kubernetes, and Kafka. Experience working in a fast-paced, international environment. Technologies We Work With JavaScript / TypeScript React and React Native Redux Node.js and Express.js AWS, Splunk, Ansible, Terraform, Jenkins, Docker, Kubernetes, Kafka Closing
Please include a CV in English.



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