Senior Software Engineer - JavaScript

• 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.

• 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.

• Experience with Java.
• Familiarity with AWS, Splunk, Ansible, Terraform, Jenkins, Docker, Kubernetes, and Kafka.
• Experience working in a fast-paced, international environment.

• JavaScript / TypeScript
• React and React Native
• Redux
• Node.js and Express.js
• AWS, Splunk, Ansible, Terraform, Jenkins, Docker, Kubernetes, Kafka

Klarna