Software Engineer (Python / AWS)

Silvair, Inc.; Kraków; Hybrid; PLN 120,000 - 180,000; Full time

Job summary

Silvair is seeking an experienced software engineer to join the Platform Engineering Team in Kraków, focusing on cloud infrastructure, services, and applications that manage mesh networks for smart lighting.

You will develop and maintain robust IoT solutions, collaborate with top specialists, and help scale the Silvair Platform alongside cross-functional teams to deliver reliable, scalable cloud-based lighting control.

Qualifications

• 3+ years of Python development experience.
• Experience with asynchronous programming in Python.
• Strong REST API and event-driven architecture knowledge.
• Production experience with MongoDB, PostgreSQL, Redis.
• Hands-on with Docker and CI/CD pipelines (Jenkins).
• Familiar with monitoring tools like Datadog.
• Clear, well-documented code and low technical debt.
• Excellent collaboration across cross-functional teams.

Responsibilities

• Design and implement new features across business logic, API, and persistence.
• Contribute to architecture decisions on service decomposition and cloud infra.
• Perform code reviews to ensure quality and knowledge sharing.
• Write and maintain automated tests across the testing pyramid.
• Collaborate with product and cross-functional teams to translate requirements into solutions.

Skills

Python

Pytest

Async programming

REST APIs

Event-driven architectures

Clean, maintainable code

Cross-functional collaboration

Tools

Docker

Jenkins CI/CD

Datadog

MongoDB

PostgreSQL

Redis

Job description

Silvairis a company developing innovative IoT technologies for the smart lighting industry. We provide advanced software solutions for wireless lighting control and commercial building automation. As a leading contributor to the Bluetooth SIG, we drove the development of Bluetooth mesh - a new communication standard for the Internet of Things. We were the first company in the world to develop a qualified Bluetooth mesh stack, and the first IoT business listed on the Warsaw Stock Exchange. Now we aim to be the world’s no.1 provider of wireless solutions for professional lighting applications.

Overview

We are looking for an engineer who will be a part of Silvair’s Engineering Team developing "Silvair Platform" - that is cloud infrastructure, services, appliances and web applications designed to make mesh network management easy, fast and reliable.

You will have a chance to work with Silvair’s top specialists to develop and maintain robust smart lighting solutions that are rapidly gaining momentum in the IoT and smart building industry.

Responsibilities

• Designing and implementing new features and functionalities, covering everything from business logic to API and persistence layers
• Contributing to architectural decisions - particularly around service decomposition, cloud infrastructure, and long-term technical debt reduction
• Performing code reviews to maintain code quality and share technical knowledge across the team
• Writing and maintaining automated tests across the testing pyramid to ensure reliability and prevent regressions
• Collaborating with product and cross-functional teams to translate business requirements into solid technical solutions

Essential job requirements

• Solid experience (3+ years) with Python and Pytest
• Practical experience with asynchronous programming in Python
• Strong knowledge of REST APIs and familiarity with event-driven architectures
• Experience with MongoDB, PostgreSQL, and Redis in production environments
• Operational experience with Docker and Jenkins CI/CD pipelines
• Familiarity with monitoring and observability tools such as Datadog
• Ability to write clean, well-documented, and maintainable code with a focus on architecture and minimizing technical debt
• Self-reliance in everyday work, strong communication skills, and effective collaboration in cross-functional teams

Nice to have

• Exposure to TypeScript and Angular
• Familiarity with AWS, Terraform, and Ansible

The Administrator of the data is Silvair Sp. z o.o, Kraków 31-323 , Opolska 100. The data is collected for the recruitment process purposes only. You have the right to access your data at any time and provide updates. Providing the personal data in scope defined by the country Law on the Protection of Personal Data and other executive acts is obligatory. Providing the additional personal data is voluntary.