Senior Engineer (C with Python)

Hello!

We are CRON, a software and systems provider specializing in automation for industries such as meat production, retail, and chemicals. Our primary focus is on optimizing material flow, warehouse management, production control, and more, by delivering integrated solutions that boost operational efficiency. With a customer-first approach, we provide tailored solutions, fast implementation, and ongoing support, making us a trusted partner in solving complex challenges and improving business processes.

Demonstrating our commitment to excellence, we collaborate with Macrix as part of a well-established partnership among technology companies. While CRON leads with innovation and customer-focused solutions, Macrix complements our efforts with its technological expertise, engineering capabilities, and support in recruiting top talents.

Currently, we are seeking talented developers to join our dynamic team and help drive our projects forward.

Why to work in CRON project?

CRON offers a unique blend of long-term expertise and forward-thinking innovation.

By working in CRON, you’ll be part of a team that tackles exciting challenges, creates cutting-edge solutions, and makes a real impact on modern industries.

You’ll play a key role in delivering real value, from initial planning to successful project execution. We believe in collaboration, creativity, and supporting each other to achieve both professional and personal growth. Plus, with our emphasis on fast, effective solutions, every day at CRON brings new challenges and opportunities for innovation.

We are looking for a candidate who:

• Extensive experience in C programming,
• Strong knowledge of Python (or Java as an option),
• Solid understanding of relational databases (e.g., Oracle, PostgreSQL),
• Experience with Python frameworks like Django, FastAPI, or Flask,
• Familiarity with ORMs (e.g., SQL Alchemy, Django ORM),
• Knowledge of SOLID principles,
• Proficiency in unit testing and Python packaging tools (e.g., PIP, Poetry),
• Experience with Agile and SDLC practices,
• Strong problem-solving skills and attention to detail,
• Ability to work independently and take full ownership of tasks,
• Excellent communication skills and ability to collaborate effectively within a team,
• Fluency in English (spoken and written),
• Nice to have: Good command of German language.

Key responsibilities:

• Develop and maintain high-performance software solutions using C and Python in Linux environments,
• Write multithreaded, asynchronous, and low-level code,
• Integrate and manage relational databases (e.g., Oracle, PostgreSQL),
• Build web applications using Python frameworks like Django, FastAPI, or Flask,
• Follow best programming practices such as SOLID principles,
• Manage Python dependencies and deployment using tools like Pipenv or Poetry,
• Write and maintain unit tests for code quality assurance,
• Collaborate on design and architecture decisions, ensuring scalability and performance.

What more do we offer?

• individual training budget,
• various internal knowledge sharing initiatives: meetups, workshops and knowledge base,
• full support during onboarding - you will not be overcome by a million tasks 🙂,
• quarterly talks regarding your wellbeing and work satisfaction,
• career paths together with regular skills development meetings,
• an atmosphere conducive to cooperation and exchange of professional and non-professional experience,
• medical care, Multisports card, life insurance,
• flexible b2b or UoP contract,
• language courses: Polish, German, English 🙂.