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DATA, AI & DIGITAL EXPERTS
Software Development Engineer
Location
Poland
Posted
134 days ago
Salary
zł200 - zł220 / hour
Seniority
Senior
Job Description
Software Development Engineer
MARGO
• Design and develop systems that collect and store raw financial data from products and partners • Manage contract data and currency rates for billing calculations • Perform billing calculations with full transparency and traceability • Validate, monitor, and control financial data pipelines • Export billing results to billing and financial systems (FP&A, intercompany, reporting, etc.) • Integrate multiple internal and external services • Improve system performance, reliability, and data correctness • Work across split infrastructures (ex-IPONWEB and CRTO environments) • Deliver high-quality features on time • Design scalable solutions considering long-term usage • Participate in design and code reviews • Write clear technical specifications when needed • Troubleshoot complex data and system issues • Monitor performance and reliability of services • Write automated tests (unit, functional, integration) • Work independently and take ownership of problems • Collaborate with multiple projects and stakeholders
Job Requirements
- 3+ years of backend development experience
- Strong Python 3 knowledge (core concepts and internals)
- Experience building REST APIs with Django / DRF
- Solid experience with PostgreSQL and SQL query optimization
- Understanding of data structures, algorithms, and complexity
- Good understanding of HTTP and networking basics
- Experience designing features, writing documentation, and providing estimations
- Experience with CI/CD and automation processes
- Comfortable working with Unix systems
- Knowledge of OOP, SOLID principles, and design patterns
- Passion for writing maintainable tests
- Strong problem-solving skills and ability to work independently
- Good written English (Russian is a plus).
Benefits
- Independence and freedom to take initiative
- Authenticity and transparency
- Clear, achievable goals
- Driven people who are passionate about what they do
- A skilled team, eager to share their knowledge and learn from you
- A focus on quality over quantity in everything we do
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