Senior Python Developer
Workplace: Stockholm, Sverige
Expires: December 10, 2025
As a Senior Python Developer at Castra, you will play a central role in developing innovative and high-performing systems for our clients. You will work closely with both technology and business teams to create solutions. Castra offers a dynamic work environment with assignments in both private and public sectors. You have full control over your working hours, skills development, compensation, pension, vacation, and projects.
Main requirements:
- At least 8 years of experience in Python development including work with Django and/or Flask
- Deep understanding of backend architecture, APIs, and microservices
- Experience working with cloud services such as AWS, Azure, or GCP
- Experience with container technologies like Docker or Kubernetes
Responsibilities:
- Develop innovative and high-performing systems for clients
- Work closely with both technology and business to create solutions
- Manage own working time, professional development, compensation, pension, vacation, and projects autonomously
Required hard skills:
- Python development
- Django or Flask frameworks
- Backend architecture
- API design and implementation
- Microservices architecture
- Cloud platforms (AWS, Azure, GCP)
- Container technologies (Docker, Kubernetes)
Recommended hard skills:
- Experience with CI/CD pipelines
- Test automation
- DevOps processes
- Security considerations
- Database management
Soft skills:
- Ability to collaborate closely with business and technical teams
- Self-directed and able to manage own schedule and priorities
- Participative and co-creative mindset
- Strong communication skills
Coding languages:
- Python
Frameworks:
- Django
- Flask
Natural languages:
- Swedish (Proficient)
- English (Working knowledge)
Cultural skills:
- Entrepreneurial mindset
- Team participation in company ownership and project groups
- Value personal freedom and work-life balance
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