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 development workflows
• Understanding of microservices architecture and distributed systems
• Experience working with cloud platforms (AWS preferred)
• Strong problem-solving skills and attention to performance and scalability
• Excellent written and verbal communication skills in English

Why Remofirst:

• Fully remote role
• Opportunity to work on global-scale systems and products
• Exposure to international teams and modern engineering practices
• High ownership and autonomy in a fast-growing startup environment
• A strong culture grounded in speed, ownership, trust, transparency, customer obsession, and excellence.
• Real problems, global impact, and the chance to help redefine how the world works.