Backend Developer Intern

Responsibilities:

• Work on real tasks from our backlog, starting with small tickets, with a mentor checking your code
• Help build and support our REST APIs and add small features to existing services
• Fix bugs and write unit tests for your code
• Write SQL queries and make simple changes to our PostgreSQL database
• Use Docker for local development and help keep CI/CD pipelines running
• Learn how our services talk to each other through Kafka or RabbitMQ and try writing a simple producer or consumer
• Connect to our internal AI services and check how fast they respond
• Join code reviews and help keep our technical docs up to date
• Work closely with product, data and DevOps teams and see how a feature goes live
• Requirements:
• Basic Python (functions, OOP, data structures, error handling), or Java, C# or C++, and course projects count too
• Good basics in data structures, algorithms and OOP, and you can explain at least one SOLID principle
• You understand how REST APIs work: HTTP methods, status codes, JSON
• Basic SQL: joins, simple indexes and what a transaction is (PostgreSQL is a plus)
• You use Git every day: branches, commits, pull requests
• Basic idea of testing and unit tests
• You want to learn, take feedback well, look for answers yourself first and finish what you start
• Nice to have
• Some experience with FastAPI, Docker or CI/CD
• You know what a message queue is, or you have tried Kafka or RabbitMQ
• You can explain the difference between a monolith and microservices, and you know why we use caching and load balancing
• You know a few design patterns like Factory, Strategy or Observer, and you are open to learning DDD
• You have used an AI model API or run a model locally in a project