Java Developer

VDart Inc; United States; On-site; USD 90,000 - 165,000; Full time

Job summary

VDart Inc in Irving, TX seeks a Java Developer for a contract role. You will design and build robust backend services, focusing on Java 17+, REST APIs, and scalable microservices.

The role emphasizes Kafka messaging, AI workflow integration with Claude, and strong testing practices (TDD/BDD) across distributed systems, with containerization via Docker and Kubernetes.

Qualifications

• Proficiency in Java (17+) and RESTful API design using Spring Boot.
• Deep expertise in Apache Kafka for event-driven architectures.
• Experience with LLM development and agentic AI workflows (Claude).

Responsibilities

• Develop Java applications with modern Java (>=17).
• Design and implement RESTful APIs with Spring Boot.
• Build and maintain Kafka-based messaging for event streaming.
• Create AI-driven workflows and MCP servers using Claude.
• Work with SQL Server, PostgreSQL and NoSQL stores (Elasticsearch, Couchbase).
• Apply TDD and BDD practices to ensure code quality and reliability.

Skills

Java

REST API development

Kafka

LLMs / AI workflows

TDD/BDD

Distributed systems

Tools

Docker

Kubernetes

Spring Boot

SQL Server

PostgreSQL

Elasticsearch

Couchbase

TIBCO

Job description

Role: Java Developer

Location: Irving, TX

Duration: Contract

Job Description:

• Java Expertise: Strong proficiency in Java (version 17 or newer).
• API Development: Extensive experience designing and developing RESTful APIs utilizing Spring Boot.
• Messaging Architecture: Required: Deep expertise in Apache Kafka for event-driven architecture and message streaming. (Familiarity with TIBCO or other brokers is a plus, but Kafka is mandatory).
• AI & Agentic Systems: Hands-on experience developing with LLMs (specifically Claude), including building Model Context Protocol (MCP) servers, creating agent skills, and designing AI-driven workflows.
• Database Management: Hands-on experience with both relational databases (SQL Server, PostgreSQL) and NoSQL/search data stores (Elasticsearch, Couchbase).
• Cloud & Containerization: Proficiency in containerization and orchestration tools, specifically Docker and Kubernetes.
• Engineering Best Practices: Demonstrated commitment to Test-Driven Development (TDD) and Behavior-Driven Development (BDD) methodologies.
• System Architecture: Strong foundation in scalable system design and distributed systems.