Senior Software Engineer

Ninja

Responsibilities

• Build and maintain high-performance microservices using Kotlin and Spring Boot.
• Model relational schemas, optimize SQL queries, and manage data consistency across MySQL and PostgreSQL.
• Collaborate with data scientists to consume ML models (e.g., via REST, RPC), embed intelligent decisioning into backend services.
• Develop and maintain RESTful APIs; define contracts for frontend, partner services, or AI inference layers.
• Contribute to Docker/Kubernetes-based deployments, CI/CD pipelines, and monitoring (Grafana, Prometheus, etc).
• Review code, guide peers on best practices, and participate in architectural discussions and roadmap planning.

Requirements

• Bachelor's or master's degree in computer science, Computer Engineering, or a closely related quantitative field.
• 5+ years of experience building production-ready backend systems.
• Expert-level knowledge of Kotlin and Spring Boot ecosystem.
• Strong experience with microservices, API design, and distributed systems.
• Hands-on experience with MySQL and PostgreSQL including schema design and query optimization.
• Solid understanding of software design patterns, RESTful principles, and secure coding practices.
• Experience with containerized environments and orchestrators (Docker, Kubernetes).
• Familiarity with integrating AI/ML models (e.g., Python-based APIs, TensorFlow/ONNX serving, or model inference endpoints).
• Strong communication skills and ability to work across engineering and data teams.