Senior Python Developer (f/m/x)
Sii Sp. z o.o.
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B2B
Senior
Katowice
Kraków
Wrocław
Łódź
+10
Expires Oct 8, 2026
11 days ago
In short
Senior Python Developer role requiring 7+ years of experience in Python 3, microservices, REST APIs, automated testing, Linux, Docker, Kubernetes, and relational databases. Full-time, remote/office options available. Offers profit sharing, benefits, and growth opportunities.
Keywords
AI-written summary based on the listing content.
Technologies we use
About the project
Your responsibilities
- Participating in the complete software development lifecycle, including requirements analysis, solution design, implementation, testing, and deployment
- Developing cloud-native microservices and REST APIs
- Processing and analyzing network configuration, performance, and telemetry data
- Writing unit, integration, and system tests to ensure software quality
- Troubleshooting application behavior in Linux and Kubernetes environments
- Evaluating new technologies and contributing to research and proof-of-concept activities
- Collaborating with cross-functional teams to deliver impactful software solutions
Our requirements
- Minimum 7 years of experience in software development with strong programming skills in modern Python 3
- Experience in designing, implementing, and maintaining production-quality software
- Practical knowledge of automated testing using pytest or similar frameworks
- Experience with Linux-based software development and troubleshooting
- Understanding of containers, Docker, and Kubernetes fundamentals
- Experience in developing microservices or web APIs and familiarity with relational databases
- Good problem-solving and debugging skills, along with the ability to use AI coding tools effectively
- Advanced level of Polish and English
Optional
- Experience in developing software for telecommunications systems, particularly 4G or 5G RAN
- Knowledge of Kubernetes networking, ingress, storage, and security concepts
- Familiarity with public or private cloud platforms and experience with data analysis or machine learning
- Experience with message brokers or event-driven architecture
What we offer
- Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
- Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
- We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
- Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
- Comfortable workplace – class A offices or remote work
- Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
- PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
- Investment in your growth – meetups, webinars, training platform and technology blog – you choose
- Fantastic atmosphere created by all Sii Power People
| Published | 2026-09-08 |
| Source |
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10/8/2026
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