Senior Java Developer

Responsibilities

• Work directly with client in a collaborative, hands-on environment.
• Read, analyze, and understand large Java codebases quickly and accurately.
• Design and implement backend features using Java, REST APIs, and JPA/Hibernate.
• Write and review technical design documents, UML diagrams, and detailed implementation plans.
• Integrate with relational and NoSQL data sources.
• Optimize code for performance, concurrency, and scalability.
• Participate in code reviews and maintain high engineering standards.
• Incorporate or experiment with GenAI technologies (e.g., prompt engineering, embeddings, Whisper, OpenAI APIs).

Required Skills

• 5+ years of professional Java experience (Java 8 or higher)
• Deep fluency in reading and writing production-quality Java code
• Strong understanding of:
• RESTful API design and integration
• Jackson (JSON serialization/deserialization)
• JPA / Hibernate
• Multithreading and concurrency
• SQL and NoSQL databases
• JSON, HTML, and CSS
• Ability to work in US Pacific Time zone hours and communicate directly with clients

Nice to Have

• Experience with:
• Confluence or other documentation tools
• OpenSearch or Elasticsearch
• Freemarker templates
• Vector databases and embeddings
• OpenAPI / Swagger
• Prompt engineering and LLM integration
• OpenAI Whisper or other speech-to-text APIs