Java Full-Stack AI Engineer

About the role

ECS is seeking a Java Full-Stack AI Engineer to work in the Memphis, TN office, supporting a USPS client. The role involves enhancing enterprise services and solutions for USPS as part of an integrated evaluation, integration, strategy, design, implementation, and operational maintenance program. The engineer will design, develop, and implement software components, establish I/O processes, troubleshoot complex problems, communicate technology solutions across technical, managerial, and customer audiences, and bridge traditional applications with modern AI-driven data workflows to ensure scalable, secure, intelligent automation.

Responsibilities

• Design, develop and implement web-based applications.
• Design, develop and implement highly complex applications utilizing Oracle and Java technologies.
• Demonstrate strong troubleshooting skills to solve complex problems across a large enterprise.
• Demonstrate a flexible attitude, ability to perform under pressure and ability to handle change easily while meeting deadlines.
• Communicate with technical and non-technical audiences verbally and in writing to design efficient and effective applications.
• Work independently and in a team environment, to give and receive direction.
• Develop and revise Java source code based on clearly defined requirements.
• Experience in designing, architecting, and building Kafka based solutions.
• Extensive experience with messaging and stream processing on Kafka.
• Participate in code reviews for team members as well as yourself.
• Assist in the setup of production environments including application servers and database structure.
• Assist in the implementation of applications through various testing phases and into production environments.
• Must be able to communicate effectively, work in a team environment and think analytically.
• Perform maintenance on programs currently in production.
• Assist QA teams with writing test scripts and explaining functionality.
• Unit Testing candidate releases.
• Collaborate with other departments to ensure high availability and performance.
• Partner with data scientists, data architects, and federal stakeholders to build and deploy AI/ML models in production.

Requirements

• Master’s Degree in Computer Science, Engineering, Mathematics, Business Management or equivalent.
• Must be US citizen or Green Card Holder per contract and must be able to obtain a Public Trust clearance.
• 12+ years of general experience in information systems, including 7 years of specialized experience providing state-of-the-art solutions in information systems technology.
• 5+ years of experience with web technologies (HTML, CSS, JavaScript frameworks).
• 5+ years of experience with Java server technologies (JEE, Spring Framework, Spring Boot).
• 3+ years of experience with SQL and PL/SQL on Oracle or similar platform.
• 5+ years of experience with IBM MQ and stream processing on Kafka.
• Expertise in troubleshooting, performance tuning, and query optimization.
• Excellent communication, problem-solving, and organizational skills.
• Ability to work independently and as part of a team.
• Experience with Large Language Models, NLP, GenAI, and scaling of AI tools.
• Work comfortably in version control systems (e.g., Git).

Skills

• Experience with React, Angular and Bootstrap.
• Experience with the NodeJS and Java toolchains (NPM, Angular CLI, Maven) with AWS cloud services