Senior/Lead Back End Engineer

What You Will Do: Design, develop, and maintain backend services using Python and Java. Support and contribute to the gradual migration from Python-based services to Java, ensuring stability and continuityBuild and maintain RESTful APIs and backend integrations. Participate in system design and architectural discussions, especially around service boundaries and migration strategy. Work with distributed systems and microservices. Integrate with third-party services and external APIs. Write clean, well-tested, and maintainable code following best practices. Participate in code reviews, technical discussions, and knowledge sharing. Debug production issues and improve system reliability, observability, and performance. Collaborate effectively with cross-functional teams across time zones. What You Bring: 5+ years of backend software development experience Strong professional experience with Python (Django, FastAPI, Flask, or similar frameworks) Strong professional experience with Java, preferably using Spring Boot. Solid understanding of object-oriented design, SOLID principles, and design patterns Experience designing and consuming RESTful APIs Experience with relational databases (PostgreSQL, MySQL); exposure to NoSQL databases is a plus Familiarity with unit testing, integration testing, and test-driven development (TDD) Experience with CI/CD pipelines, Git, and modern developme