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What You Will Do
- Design, build, and maintain scalable Python applications across backend services, APIs, and data infrastructure
- Develop and optimize RESTful APIs and microservices using frameworks such as FastAPI, Django, or Flask
- Build and maintain data pipelines, ETL processes, and integrations with databases (SQL and NoSQL)
- Collaborate with data science and ML teams to productionize models and automate workflows
- Write clean, well-tested, well-documented code and participate in thorough code reviews
- Contribute to architectural decisions and technical roadmaps
- Mentor junior and mid-level developers, fostering a culture of technical excellence
- Identify and resolve performance bottlenecks, bugs, and reliability issues
- 5+ years of professional Python development experience
- Deep understanding of Python internals, async programming, and performance optimization
- Strong experience with at least one web framework (FastAPI, Django, or Flask)
- Hands-on experience with data tools such as Pandas, NumPy, SQLAlchemy, or Airflow
- Familiarity with ML/AI libraries (scikit-learn, PyTorch, or TensorFlow)
- Experience with AWS and containerization (Docker, Kubernetes)
- Proficiency with CI/CD pipelines, Git workflows, and testing frameworks (pytest)
- Strong grasp of software design patterns, SOLID principles, and clean architecture
- Excellent communication and collaboration skills
- Experience with DevOps tooling and infrastructure-as-code (Terraform, Ansible)
- Background in distributed systems or event-driven architecture (Kafka, RabbitMQ)
- Contributions to open-source Python projects
Key Skills
Ranked by relevance
python
fastapi
django
containerization
design patterns
microservices
restful apis
terraform
pytorch
docker
devops
pandas
kafka
numpy
cicd
git
sql
aws
etl
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- Posted
- May 23, 2026
- Type
- Full-time
- Level
- Not Applicable
- Location
- Stockholm
- Company
- Klarna
Industries
Software Development
Categories
Engineering
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3 roles aligned with this opportunity
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DESENVOLVEDOR DE SOFTWARE ANDROID JR (SITA)
2026-05-27
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Not Applicable
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Engineering