19h ago
Junior Back End Engineer
Krakow
✨ $60k-$90k / yearest.
full-timejunior Remotesoftware
🛠 Tech Stack
💼 About This Role
You'll build APIs and backend services for a real-world, large-scale data platform used by thousands of customers. You'll contribute to meaningful features from day one, working closely with experienced engineers on fast, reliable systems.
🎯 What You'll Do
- Contribute to features across the full development lifecycle.
- Build APIs and backend services that power customer-facing products.
- Work with large datasets and high-performance databases.
- Improve code quality through testing, refactoring, and code reviews.
📋 Requirements
- Knowledge of Ruby on Rails or proficiency in Python or similar languages.
- Strong grasp of algorithms, RESTful systems, and API design.
- Portfolio of meaningful Github contributions or personal projects.
- Interest in backend systems and working with data.
✨ Nice to Have
- Experience with Clickhouse or other OLAP databases.
- Experience with MongoDB or other document stores.
- Experience with Sidekiq or other asynchronous task runners.
🎁 Benefits & Perks
- 🧑🏫 Mentorship from senior engineers.
- 🔧 Real ownership of features (not just small tasks).
- 🌐 Exposure to large-scale production systems.
- 🤝 Collaborative culture.
- 📈 Opportunities to grow and learn new things.
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