Java Engineering Lead; Client-Facing​/Hands-On Security Clearance

Position: Java Engineering Lead (Client-Facing/Hands-On) with Security Clearance
We are seeking a proficient Java Engineering Lead (Client-Facing/Hands-On) to Lead design, development, and migration of legacy applications to a Java, cloud-based microservices architecture. Serve as the primary technical liaison with clients and mentor a team of developers. Integrate cutting-edge technologies, including LLMs via APIs, into scalable, secure solutions. This position requires hands-on technical development in addition to demonstrating leadership skills.

Job Duties and Responsibilities:

* Architecture & Design
* Define high-level Java microservices/cloud architecture (AWS/Azure).
* Lead migration of on-prem/monolithic apps to cloud-native Java-based solutions (Docker/Kubernetes).
* Client Engagement
* Act as technical point of contact: gather requirements, present designs, and address feedback.
* Translate business needs into architecture, including LLM/API integrations.
* Team Leadership
* Mentor developers in Java (Spring Boot, JPA/Hibernate), design patterns, and TDD.
* Enforce code quality through reviews, standards, and automated testing (JUnit, Postman, JMeter).
* Dev Ops & Automation
* Establish CI/CD pipelines (Maven, Jenkins, Git).
* Collaborate with infrastructure teams on container orchestration (Kubernetes/EKS).
* Governance & Best Practices
* Research and recommend tools, libraries, or best practices-including LLM API frameworks-to improve productivity and user experience.
* Other duties as assigned.

Job Requirements (Education/Skills/Experience):
* * US citizen with an active DoD Secret clearance.
* Bachelor's Degree in Computer Science, Software Engineering, or related field.

* Certifications:

CompTIA Security+ CE required day one; AWS Solutions Architect (preferred).
* 10+ years in software development; 5+ years in a technical lead or architect role.
* Proven track record migrating enterprise apps to cloud (Java microservices).
* Client-facing experience-conduct architecture reviews and status updates.
* 1+ years integrating LLMs (e.g., OpenAI, Anthropic, or similar) via APIs into production systems.
* Travel will be required to Columbus, OH on a monthly basis. Some exceptions may apply.
* Technical Skills
* Java Frameworks:
Spring Boot, Spring Cloud, JPA/Hibernate, JMS/Kafka.
* Databases:
MySQL, Oracle, No

SQL (Mongo

DB, Cassandra).
* Cloud & Containers: AWS/Azure/GCP, Docker, Kubernetes (EKS/AKS).
* Dev Ops:
Maven, Jenkins/Git Lab CI, Git, Terraform/Cloud Formation, TDD (JUnit).
* Automation & Scripting:
Python, Groovy, JavaScript.
* Security/Compliance:
DoD requirements, Security+ CE required day one.
* Soft Skills
* Strong communication and client-presentation abilities.
* Collaborative mindset with experience leading cross-functional teams.
* Sharp problem-solving skills and a passion for mentoring others. Diné Development Corporation (DDC) is a Navajo Nation owned family of companies that delivers IT, professional, and environmental solutions to advance the missions of federal, state, and tribal government agencies. As thought leaders and innovators, our team of specialists build client-centric solutions that solve critical challenges faced by defense, civilian, and healthcare organizations.

Employing a mission-focused approach, we deliver value that not only enhances current operations, but also drives future change. Closely aligned with this approach is our commitment to advancing the Navajo Nation and its People. Through economic development and community empowerment, we elevate the Navajo Nation to provide lasting impact and sustainable growth for future generations. DDC's ability to unite legacy-inspired technologies, industry best practices, and proven methodologies has contributed to our success for twenty years.

This contractor and subcontractor shall abide by the requirements of 41 CFR 60-1.4(a), 60-300.5(a) and 60-741.5(a). These regulations prohibit discrimination against qualified individuals based on their status as protected veterans or individuals with disabilities, and prohibit discrimination against all individuals based on their race, color, religion, sex, sexual orientation, gender identity, national origin, or for inquiring about, discussing, or disclosing information about compensation, or any other basis prohibited by law.

We participate in E-Verify.