Principal Back End Engineer
M
Modus CreateProduct Engineering
Location: BrazilFull-TimePrincipal
Salary not disclosed
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Job Details
- Experience
- 10+ years
- Required Skills
- Cloud ComputingJavaJVMSpring BootMentorship
Requirements
- 10+ years professional Java development.
- Expert-level knowledge of the Spring Framework ecosystem (Spring Core, Spring Boot, Spring Data, Spring Security, Spring Cloud).
- Proven track record designing and building greenfield Spring applications that handle high request volumes.
- JVM expertise: configuration, tuning, garbage collection, memory management, and performance optimization.
- Experience designing and implementing robust API integrations including OAuth 2.0, retry logic, and circuit breaker patterns.
- Experience creating AI-powered applications or integrating with AI tools/services.
- Hands-on cloud platform experience in production environments.
- Demonstrated mentorship of engineers.
- Experienced using AI-assisted coding tools (GitHub Copilot, Claude, etc.).
- Track record of shipping production systems.
Responsibilities
- Design and architect complex Spring Framework components for greenfield systems.
- Own end-to-end delivery of critical backend features, including implementation, testing, performance validation, and production support.
- Research and evaluate emerging Java and Spring Framework technologies.
- Implement best practices for high-load systems: API gateway patterns, resilient integrations, efficient database access, caching strategies, and observability.
- Conduct technical design reviews with engineering peers.
- Mentor engineers through code review, pair programming, and technical guidance.
- Contribute to team standards: code quality, testing practices, deployment patterns, and documentation.
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