Regular Python Developer (f/m/x)

Technologies we use

Expected

• Python
• Linux

Optional

• Grafana
• Kubernetes
• 3G

About the project

We are looking for a skilled Python Developer to join our team focused on developing cloud-native software solutions for large-scale telecommunications networks, including 5G technologies. You will participate in the complete software development lifecycle, collaborating with a diverse team of software developers, system engineers, data scientists, and telecommunications experts. This role offers a hybrid work mode, allowing you to work from both the office and home. If you are passionate about building production-quality software and eager to tackle challenges in the telecommunications domain, this opportunity may be the right fit for you.

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
• Troubleshooting application behavior in Linux and Kubernetes environments
• Evaluating new technologies and contributing to research and proof-of-concept activities
• Collaborating with software developers, system engineers, data scientists, and telecommunications experts

Our requirements

• Minimum 3 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, unittest, or similar frameworks
• Previous work with Linux-based software development
• Understanding of containers, Docker, and Kubernetes fundamentals
• Experience in developing microservices or web APIs
• Familiarity with relational databases
• Good problem-solving and debugging skills
• Ability to use AI coding tools effectively and critically evaluate their output
• Advanced level of Polish and English
• Residency in Poland

Optional

• Expertise in developing software for telecommunications systems, particularly 4G or 5G RAN
• Experience operating or troubleshooting applications in Kubernetes
• Knowledge of Kubernetes networking, ingress, storage, and security concepts
• Previous work with message brokers or event-driven architecture
• Familiarity with public or private cloud platforms
• Experience with data analysis, machine learning, or AI-assisted network optimization
• Familiarity with Helm, Prometheus, Grafana, or OpenTelemetry

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

Recruitment stages

• Send your CV
• Talk to us about your expectations
• Learn more about our projects and choose the best
• Start your adventure with Sii!

Sii Sp. z o.o.

Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment.

Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.

This is how we work