Lead JavaScript Engineer @ Spyrosoft
(práce v Polsku)

Lead JavaScript Engineer @ Spyrosoft

• 10+ years of professional software engineering experience, including significant time in technical leadership roles
• Expertise in Kafka, including production-ready setup, optimization, and usage patterns
• Strong command of Node.js, TypeScript, and Jest for backend development and testing
• Proven experience with PostgreSQL and DynamoDB in large-scale environments
• Demonstrated ability to lead complex projects, manage technical roadmaps, and deliver high-quality software in a fast-paced setting
• Track record of mentoring engineers, building cohesive teams, and fostering a learning culture
• Excellent communication and collaboration skills, with the ability to engage across multiple teams and stakeholders
• Strategic mindset with the ability to make both tactical and long-term technical decisions

We’re looking for an experienced Lead Software Engineer to join Klarna’s engineering team. You’ll play a critical role in building scalable, reliable systems and driving technical excellence across our products. This position combines hands-on coding with leadership, mentorship, and strategic decision-making.

We offer a hybrid work model in Warsaw’s vibrant Wola district. English fluency and eligibility to work in Poland are essential, as is the successful completion of a background check to meet the rigorous standards of the financial domain.

Main responsibilities:

• System Architecture & Technical Leadership: Design and lead the development of scalable, high-performance systems that meet business goals
• Kafka Management: Handle advanced Kafka configurations, manage traffic, and optimize topic production and consumption
• Backend Engineering: Develop and test robust applications using Node.js, TypeScript, and Jest
• Database Design: Architect and maintain PostgreSQL and DynamoDB databases for performance and scalability
• Project Ownership: Drive delivery, manage stakeholders, identify and address technical debt, and define technical roadmaps
• Mentoring & Team Development: Guide engineers in their growth, conduct code reviews, lead demos, and create technical documentation
• Quality Assurance: Apply best practices in software testing, ensuring reliability and maintainability across codebases
• Cross-functional Collaboration: Align with product, design, and infrastructure teams to deliver integrated, high-impact features

Kategorie

fullstack

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