Senior/Lead Back End Engineer

RemoFirst is a global HR platform company focused on enabling Freedom of Work by simplifying hiring, compliance, payroll, and benefits management. It partners with Fortune 500 companies and startups, operating a team of over 200 people.

• 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.

• 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 continuity.
• Build 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.