Senior Backend/AI Integration Engineer - Java

Position Summary :

We are seeking a highly experienced Senior Backend / AI Integration Engineer with 10+ years of software engineering experience to design, develop, and integrate secure, scalable backend services and AI-powered capabilities. The role combines deep Java and Spring Boot expertise with practical knowledge of LLM integration, AI tool calling, Model Context Protocol (MCP), and AWS services.

Key Responsibilities :

- Design, develop, and maintain scalable backend services using Java 17/21 and Spring Boot.

- Build secure REST APIs and GraphQL services using Spring Security and established API design practices.

- Integrate LLM-powered capabilities into backend applications using prompt engineering, tool/function calling, and AI integration patterns.

- Apply Model Context Protocol (MCP) concepts to connect AI models and agents with tools, services, and contextual data.

- Contribute to RAG-enabled workflows and AI agent architectures where appropriate.

- Design reliable, maintainable services using established design patterns and sound object-oriented principles.

- Handle multithreading, concurrency, performance tuning, and resource management in backend systems.

- Write automated unit and integration tests using JUnit and Mockito; participate in code reviews and technical design discussions.

- Build and manage application dependencies and build processes using Maven or Gradle.

- Deploy and operate backend and AI-integrated services on AWS using Lambda, API Gateway, Bedrock, IAM, CloudWatch, and Secrets Manager.

- Implement appropriate security, observability, error handling, logging, and secrets management for production workloads.

- Collaborate with architecture, product, cloud, and engineering teams to deliver secure and supportable solutions.

Required Technical Skills :

- 10+ years of professional software engineering or backend development experience.

- Strong proficiency in Java 17 or Java 21 and Spring Boot.

- Hands-on experience with Spring Security, REST API design, and GraphQL.

- Strong understanding of design patterns, object-oriented design, multithreading, and concurrency.

- Experience with Maven or Gradle for dependency and build management.

- Strong unit testing skills using JUnit and Mockito.

- Understanding of LLM fundamentals and prompt engineering.

- Knowledge of AI tool calling/function calling, MCP concepts, RAG fundamentals, and AI agent architecture.

- Hands-on experience with AWS services such as Lambda, API Gateway, Bedrock, IAM, CloudWatch, and Secrets Manager.

- Strong debugging, problem-solving, code quality, and technical communication skills.

Nice-to-Have Skills :

- LangChain4j or Spring AI for Java-based LLM integration.

- Experience integrating OpenAI APIs or Anthropic APIs.

- Experience designing production-grade AI integrations with appropriate guardrails, failure handling, and observability.

- Experience applying RAG or agentic patterns in enterprise backend systems.

Core Technology Stack :

- Backend : Java 17/21, Spring Boot, Spring Security

- APIs : REST, GraphQL

- Build & Testing : Maven or Gradle, JUnit, Mockito

- AI Integration : LLM fundamentals, prompt engineering, MCP, tool/function calling, RAG concepts, AI agent architecture

- AWS : Lambda, API Gateway, Bedrock, IAM, CloudWatch, Secrets Manager

- Nice to Have : LangChain4j, Spring AI, OpenAI APIs, Anthropic APIs

What We Are Looking For :

We are looking for a senior engineer with strong backend fundamentals who can safely and effectively integrate AI capabilities into enterprise systems. The successful candidate should be comfortable making sound architectural choices, building secure and testable services, understanding AI integration trade-offs, and supporting solutions in production.

Skills

AI Integration, Java, Spring Boot, AWS, Spring Security, RESTful API, GraphQL, LangChain, Spring Frameworks