Java Fullstack Developer

Title: Java Fullstack Developer

Term: Contract

Location: Phoenix, AZ || Hybrid

Job Description

We are seeking an experienced Java Full Stack Developer with strong expertise in Java, Spring Boot, Microservices, REST APIs, and modern frontend technologies , along with experience or exposure to AI/ML and Generative AI . The ideal candidate will develop scalable, high-performance applications supporting enterprise and airline business systems.

Key Responsibilities

• Design, develop, and maintain enterprise full-stack applications using Java, Spring Boot, and Angular or React .
• Build scalable backend services using Spring Boot, Spring MVC, Spring Cloud, and Microservices architecture .
• Design, develop, and consume secure and high-performance RESTful APIs and web services .
• Develop distributed and event-driven applications using Kafka, messaging platforms, and asynchronous processing .
• Integrate AI/ML models, Generative AI, LLMs, and AI-powered services into enterprise applications.
• Build AI-enabled solutions such as intelligent search, conversational interfaces, recommendation systems, automation, and knowledge-based applications .
• Develop responsive frontend applications using Angular/React, TypeScript, JavaScript, HTML5, and CSS3 .
• Work with cross-functional teams including AI/ML engineers, architects, product owners, DevOps, and QA teams .
• Integrate applications with enterprise systems, databases, APIs, and cloud services.
• Implement application security using Spring Security, OAuth2, JWT, and API security best practices .
• Work with relational and NoSQL databases such as Oracle, PostgreSQL, MySQL, MongoDB, or DynamoDB .
• Deploy and maintain applications using Docker, Kubernetes, CI/CD pipelines, and cloud platforms .
• Participate in code reviews, technical design discussions, troubleshooting, and performance optimization.

Required Skills

• 8+ years of experience in Java application development.
• Strong hands-on experience with Java 8/11/17 or above .
• Strong expertise in Spring Boot, Spring Framework, Spring MVC, and Spring Security .
• Extensive experience developing Microservices and RESTful APIs .
• Strong experience with distributed systems and enterprise application architecture .
• Hands-on frontend development experience with Angular or React .
• Strong knowledge of JavaScript, TypeScript, HTML, and CSS .
• Experience integrating AI/ML or Generative AI capabilities into applications.
• Exposure to technologies such as OpenAI APIs, Azure OpenAI, AWS Bedrock, LangChain, RAG, Vector Databases, or AI Agents .
• Experience with Kafka or other event-streaming/messaging platforms .
• Strong experience with SQL and relational databases .
• Experience with cloud platforms such as AWS, Azure, or GCP .
• Experience with Docker, Kubernetes, Jenkins, GitHub Actions, or other CI/CD tools .
• Strong knowledge of Git, Maven/Gradle, JUnit, and Mockito .

Preferred Skills

• Experience in the Airlines, Travel, Transportation, or Hospitality domain .
• Experience developing applications for flight operations, reservations, booking, customer experience, loyalty, cargo, or airport systems .
• Knowledge of AI-powered automation, intelligent search, chatbots, recommendation engines, or RAG-based applications .
• Experience with Python for AI/ML integration .
• Knowledge of MLOps and AI model deployment .
• Strong communication and problem-solving skills.
• Experience working in an Agile/Scrum environment .