
Posted 17 days ago
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Senior Fullstack Engineer responsible for designing, developing, testing, deploying, and maintaining production software at scale using TypeScript, Node.js, and React/React Native. Work in small autonomous teams with short release cycles, apply Agile practices (TDD, BDD, CI/CD), and take ownership of the full lifecycle of your code while mentoring peers. Contribute to large-scale system design, cloud-based microservices, product development, and open-source projects. Familiarity with Express, Redux, GraphQL/REST, Kafka, AWS, Docker, and observability/CI tools is highly valued.
- Compensation
- Not specified
- City
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- Country
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Currency: Not specified
Full Job Description
What you will do
• Tackle specific problem spaces critical to Klarna’s current needs, with ample growth opportunities in a fast-paced business environment.
• Bring innovative ideas from diverse areas, including information retrieval, large-scale system design, data storage/processing, security, artificial intelligence, UI design, and mobile development.
• Develop your professional skills in an entrepreneurial organization that encourages working with your areas of interest.
• Use state-of-the-art technology to solve real problems for our customers at a massive scale.
• Design, develop, test, deploy, maintain, and improve software; take full responsibility for the lifecycle of your code.
• Share your knowledge and help the team evolve best practices; act as both a mentor and mentee.
• Work in small, autonomous teams with short release cycles.
• Contribute to open-source projects: Klarna GitHub.
Who you are
• Proficient in TypeScript and Node.js.
• Experienced with common JavaScript libraries and frameworks.
• Skilled in React and React Native.
• Knowledgeable in product development, cloud technologies, and microservices.
• Passionate about writing clean and testable code.
• Familiar with Agile practices, including Pairing, TDD, BDD, Continuous Integration, and Continuous Delivery.
Awesome to have
• Experience with JavaScript / TypeScript.
• Familiarity with React + React Native with Redux.
• Experience with Node.js and Express.js.
• Knowledge of REST API and GraphQL API.
• Familiarity with Kafka, internal design systems, AWS, Splunk, Datadog, Jenkins, and Docker.
Please include a CV in English.
Curious to learn more about Klarna and what it’s like to work here? Explore our career site!





