Show more filters
Banner image for Klarna

Senior Python Engineer

Klarna

3.8
15 reviews
Klarna
Job Type   /   Job Level
Full-time   /   Others/Any
Job Location
Stockholm, Stockholm County, Sweden
Salary Range
SEK 611,050 - SEK 843,151 (Annually)
A free Jobstore account is required to proceed to the employer site.
What You’ll Do

  • Design, build, and maintain internal backend services using Python and FastAPI
  • Develop and maintain integrations between organizational data systems and internal platforms
  • Own and evolve access management solutions for employees and external contributors
  • Work with AWS infrastructure (Aurora PostgreSQL, Lambda, Fargate, EC2, API Gateway)
  • Build infrastructure using Terraform (Infrastructure as Code)
  • Drive cost optimization initiatives by replacing expensive licenses and external tools with more efficient alternatives
  • Collaborate with cross-functional teams (IT, Security, HR systems, etc.)
  • Write well-structured, maintainable code using established engineering practices and patterns such as Domain-Driven Design (DDD) and clean architecture principles
  • (Bonus) Contribute to frontend and full-stack initiatives using React / Node.js

Tech Stack

  • Backend: Python, FastAPI
  • Database: AWS Aurora PostgreSQL
  • Cloud & Infrastructure: AWS (Lambda, Fargate, EC2, API Gateway), Terraform
  • Architecture: Microservices, REST APIs, event-driven integrations
  • Bonus: React, Node.js

Who You Are

  • Strong experience with Python backend development
  • Experience building and maintaining RESTful APIs
  • Hands-on experience with AWS cloud services
  • Solid understanding of relational databases (PostgreSQL preferred)
  • Experience with infrastructure as code (Terraform preferred)
  • Familiar with authentication, authorization, and access management concepts
  • Comfortable working on internal platforms with high impact and cross-team dependencies
  • Willing and ready to participate in an on-call rotation
  • Proactive, ownership-driven, and able to work independently
  • Bonus: Experience with React and Node.js

Awesome to have

  • Experience with identity & access management systems
  • Experience designing internal platform architecture
  • Experience with cost optimization and vendor/tool evaluation
  • DevOps mindset and CI/CD experience
  • Experience working with organizational data systems
A free Jobstore account is required to proceed to the employer site.
Jobs in Sweden   »   Jobs in Stockholm   »   Senior Python Engineer

More jobs

People also search