Sr. Java Lead Backend Developer Core Java Boot​/Microservices, REST APIs

Sr. Java Lead Backend Developer with Core Java (14 yrs), Spring Boot/Microservices, REST APIs, Spring AI/LLM integrations, SQL & vector DBs (Pinecone/Milv Redis Vector), DDD/CQRS/Event Sourcing, Reactive Streams (Web Flux), OAuth/JWT/OIDC security, Spring Cloud components, AI orchestration & cloud AI (AWS/Azure/Vertex), strong design patterns & technical leadership
- Onsite – Charlotte NC – need locals and in-person interview must

• Lead backend development with Core Java (14 years experience required)
• Architect and build microservices using Spring Boot, Spring Framework, Spring Data, Spring Security
• Design & consume REST APIs; exposure to SOAP/WSDL/XML is a plus
• Integrate AI/LLM workflows using Spring AI or similar frameworks
• Work with SQL databases and vector databases (Pinecone, Milvus, Redis Vector)
• Apply Domain-Driven Design (DDD), CQRS, Event Sourcing, Reactive Streams (Reactor, Web Flux)
• Implement secure authentication/authorization: OAuth, JWT, OpenID Connect
• Participate in high-level architecture discussions and mentor developers
• Support hybrid deployments, legacy modernization, and AI-enabled microservices
• Implement feature toggles, A/B testing, canary deployments

• Deep expertise in the Java ecosystem and backend architectural patterns
• Strong hands-on experience with Spring Cloud components:
  Config Server, Service Discovery, Circuit Breakers, API Gateway
• Strong knowledge of design patterns:
  Repository, Service, Factory, Strategy
• Experience with AI orchestration, prompt chaining, multi-agent workflows
• Familiarity with cloud-native AI deployments (AWS Lambda, Azure AI, Google Vertex AI)
• Ability to analyze, explain, and justify code-level decisions and architectures

• Excellent communication & cross-team collaboration
• Strong problem-solving and leadership abilities
• Ability to mentor and guide junior engineers