RemoFirst - Senior/Lead Back End Engineer
Requirements
• 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
Responsibilities
• 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.
Benefits
• 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. • We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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