Senior/Lead Back End Engineer

This is a fully remote position, open to applicants in Romania, +5 more countries.

📋 Description

• Design, develop, and sustain backend services utilizing Python and Java.

• Assist and play a key role in the progressive transition from Python-based services to Java, ensuring stability and continuity.

• Construct and manage RESTful APIs and backend integrations.

• Engage in system design and architectural discussions, particularly regarding service boundaries and migration strategies.

• Work with distributed systems and microservices.

• Integrate with third-party services and external APIs.

• Write clean, well-tested, and maintainable code adhering to best practices.

• Participate in code reviews, technical discussions, and knowledge sharing sessions.

• Troubleshoot production issues and enhance system reliability, observability, and performance.

• Collaborate effectively with cross-functional teams across different time zones.

⛳️ Requirements

• Over 5 years of experience in backend software development.

• Robust professional experience with Python (Django, FastAPI, Flask, or similar frameworks).

• Extensive professional experience with Java, preferably with Spring Boot.

• Strong understanding of object-oriented design, SOLID principles, and design patterns.

• Experience in designing and consuming RESTful APIs.

• Familiarity with relational databases (PostgreSQL, MySQL); exposure to NoSQL databases is advantageous.

• Knowledge of unit testing, integration testing, and test-driven development (TDD).

• Experience with CI/CD pipelines, Git, and modern development workflows.

• Understanding of microservices architecture and distributed systems.

• Experience working with cloud platforms (AWS preferred).

• Strong problem-solving abilities with a focus on performance and scalability.

• Excellent written and verbal communication skills in English.

🏝️ Benefits

• Fully remote role.

• Opportunity to engage with global-scale systems and products.

• Exposure to international teams and contemporary engineering practices.

• High ownership and autonomy in a rapidly evolving startup environment.

• A vibrant culture built on speed, ownership, trust, transparency, customer obsession, and excellence.

• Real challenges, global impact, and the opportunity to help reshape how the world operates.