Principal Fullstack Engineer, Java, React, LLMs

Job Description

• Lead the design and development of scalable backend services in Java (Spring Boot)
• Build and optimize secure, high-performance APIs
• Contribute to and guide React-based frontend architecture
• Work hands-on with LLM/AI technologies (Claude or similar), integrating them into real-world applications
• Drive best practices across code quality, architecture, and performance
• Mentor engineers and support UI developers in delivering high-quality solutions
• Partner with stakeholders to translate business needs into technical execution
• Contribute to system design discussions, code reviews, and continuous improvement

Requirements

• Strong experience in Java backend development and server-side architecture
• Solid React experience on the frontend
• Hands-on experience with LLMs / AI tools and practical implementation
• Experience designing and building scalable, distributed systems
• Strong understanding of APIs, databases, and performance optimization
• Proven ability to lead technically and mentor others
• Nice to have: Experience with GraphDB, Scala, or complex data processing systems
• Exposure to cloud platforms (AWS, Azure, or GCP)
• Familiarity with CI/CD pipelines and DevOps practices

Benefits

• Bonuses
• Commissions
• Benefits