Lead Engineer - JavaScript
Workplace: STOCKHOLM, Sverige
Expires: August 13, 2025
Lead Engineer position focused on JavaScript technologies at Klarna Bank AB. This role involves leading software projects, mentoring teams, and contributing to the strategic direction of the technology stack, working with Node.js, TypeScript, AWS, and databases including PostgreSQL and DynamoDB.
Main requirements:
- Deep understanding and hands-on experience with Node.js, TypeScript, and Jest for building and testing applications
- Expert-level knowledge of databases, particularly PostgreSQL and DynamoDB, including design, optimization, and management
- Proven leadership experience managing projects end-to-end and leading teams
- Strong communication skills in verbal and written English
- Experience mentoring engineers and fostering positive engineering culture
- Ability to manage stakeholders and navigate complex organizational dynamics with consensus building
- Strong analytical and strategic thinking balancing short-term and long-term goals
- Working proficiency with AWS cloud technologies
Responsibilities:
- Lead and manage software projects with self-driven approach
- Anticipate and mitigate technical debt by crafting technical roadmaps
- Mentor colleagues and enhance team capabilities
- Conduct demos, presentations, and develop documentation
- Collaborate closely with engineering teams, product management, design, and operations
- Shape the technological direction of the team through strategic planning and decision-making
- Ensure quality through knowledge of testing methodologies and attention to detail
Required hard skills:
- Node.js
- TypeScript
- Jest
- PostgreSQL
- DynamoDB
- AWS cloud technologies
Recommended hard skills:
- Software project leadership
- Technical roadmap planning
- Software testing methodologies
Soft skills:
- Strong communicator
- Independent and self-driven
- Mentoring and team leadership
- Analytical and strategic thinking
- Collaboration and consensus building
- Attention to detail
Coding languages:
- JavaScript
- TypeScript
Natural languages:
- English (Working knowledge)
Cultural skills:
- Fostering positive engineering culture
- Collaboration across teams and domains
- Commitment to continuous learning and innovation
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