Lead Engineer: AI-Driven Payments & Systems

PLP Group; Stockholms kommun; Hybrid; SEK 800,000 - 1,200,000; Full time

Job summary

Klarna is seeking a Lead Engineer to own and build scalable systems that move money for millions of users. You will work across domains, guiding architecture, and mentoring teams while hands-on coding in Java, JavaScript, or Python.

You’ll design for reliability in a regulated environment, champion measurable business outcomes, and lead through influence across multiple teams without formal authority.

Qualifications

• Experience building and operating scalable systems at scale.
• Ability to design for reliability, auditability and performance under load.
• Ability to communicate complex systems to both technical and non-technical audiences.

Responsibilities

• Make sound technical decisions that align with business goals and explain choices.
• Mentor engineers and raise the technical bar across teams.
• Lead through influence across several teams and domains.

Skills

Java

JavaScript

Python

System design

Mentoring

Education

Bachelor's degree in Computer Science or equivalent

Tools

Docker

Kubernetes

Job description

Klarna is seeking a Lead Engineer to own and build scalable systems that move money for millions of users. You will work across domains, guiding architecture, and mentoring teams while hands-on coding in Java, JavaScript, or Python.

You’ll design for reliability in a regulated environment, champion measurable business outcomes, and lead through influence across multiple teams without formal authority.