Java Backend Developer

Sr Java Developer

Dallas TX or NJ or san Diego, CA

Long term Contract

Skill Set - Java, Kafka, spring boot, microservices, Claude AI (LLM experience) , SQL ( all MUST have)

ROLE SUMMARY

We are seeking an experienced Java Developer to join a high-impact engineering team supporting enterprise-scale backend platforms for a leading telecommunications client in Dallas, TX. In this role, you will design and operate event-driven microservices that process real-time data streams, integrate AI-powered capabilities into core workflows, and collaborate with cross-functional teams to deliver scalable, production-grade solutions. Within 90 days, you will be expected to own one or more services end-to-end and contribute meaningfully to platform reliability and AI integration initiatives.

KEY RESPONSIBILITIES

• Design, develop, and maintain Java-based microservices using Spring Boot, following clean architecture and SOLID principles.
• Build and manage Apache Kafka producers, consumers, and topic configurations to support real-time event streaming and data pipeline workflows.
• Integrate Claude AI (Anthropic) APIs into backend services to enable intelligent automation, natural language processing, and AI-assisted decision-making features.
• Write and optimize complex SQL queries, stored procedures, and schema designs across relational databases (PostgreSQL, MySQL, or Oracle).
• Develop and expose RESTful APIs, ensuring proper documentation via Swagger/OpenAPI and adherence to security best practices.
• Participate in CI/CD pipeline management using tools such as Jenkins, GitHub Actions, or Azure DevOps, and contribute to containerized deployments via Docker and Kubernetes.
• Collaborate with product owners, QA, and DevOps teams in an Agile/Scrum environment to deliver iterative, well-tested software.
• Conduct code reviews, mentor junior developers, and uphold engineering standards across the team.

REQUIRED QUALIFICATIONS

• 9+ years of hands-on Java development experience, including strong proficiency in Spring Boot and Spring Framework.
• Demonstrated experience building and operating Apache Kafka-based event-driven architectures (producers, consumers, schema registry, partitioning strategies).
• Practical experience integrating or working with large language model (LLM) APIs or generative AI tools (Claude, GPT, Gemini, or equivalent) in production backend systems.
• Strong SQL skills including schema design, query optimization, and stored procedure development across one or more relational databases.
• Proficiency with RESTful API design, JSON data modeling, and microservices communication patterns.
• Bachelor's degree in Computer Science, Engineering, or a related technical field (or equivalent practical experience).

TECHNICAL SKILLS

Java Spring Boot Apache Kafka Claude AI / Anthropic API SQL Microservices REST APIs Docker Kubernetes CI/CD Git JSON JUnit Azure / AWS

PREFERRED QUALIFICATIONS

• Experience in the telecommunications industry or with high-throughput, enterprise-scale backend systems.
• Familiarity with NoSQL databases (MongoDB, Cassandra, or DynamoDB) in addition to relational SQL databases.
• Exposure to prompt engineering, LLM API orchestration frameworks (LangChain4j, Semantic Kernel for Java, or similar), or AI-assisted developer tooling.
• Knowledge of observability and monitoring tools such as Datadog, Dynatrace, or AppDynamics.
• Prior experience in Agile/Kanban delivery with distributed or hybrid teams.