Java Product Engineer / Full Stack Java Developer

Vamonos IT•Alexandria, VA

About The Position

Vamonos IT is seeking an experienced Java Product Engineer / Full Stack Java Developer to design, develop, modernize, deploy, and support enterprise software applications in mission-critical environments. The role involves Java enterprise application development, Spring Boot microservices, Oracle databases, RESTful APIs, and modern DevOps practices. The engineer will independently analyze complex business requirements, develop scalable technical solutions, and support applications throughout the software development lifecycle. The position requires strong technical proficiency, a consultative approach to software engineering, and effective collaboration with business stakeholders, system architects, quality assurance teams, and Agile development teams.

Requirements

Bachelor's degree in Computer Science, Information Systems, or a related technical discipline, or equivalent relevant professional experience.
At least 5 years of professional experience developing enterprise Java applications.
Strong proficiency with Java 17 or later.
Hands-on experience with Spring Boot, Spring Framework, Spring MVC, and Spring Data JPA.
Understanding of Hibernate, JPA, entity relationships, lazy and eager loading, and transaction management.
Experience developing and maintaining enterprise microservices and RESTful APIs.
Strong JDBC development experience, including complex SQL queries, batch processing, and performance optimization.
Experience administering or developing against Oracle or other enterprise relational databases.
Experience designing and developing full-stack applications using modern front-end frameworks.
Understanding of object-oriented design, software design patterns, and clean coding principles.
Experience developing automated unit and integration tests using JUnit and Mockito.
Experience with Maven, Git, and CI/CD pipelines.
Ability to troubleshoot, debug, and resolve complex issues in enterprise applications and production environments.
Experience participating in software design, development, testing, deployment, and maintenance throughout the software development lifecycle.
Experience working within Agile/Scrum development teams.
Strong analytical and problem-solving skills, including the ability to independently evaluate technical challenges and develop effective solutions.
Excellent written and verbal communication skills and ability to collaborate with technical teams and business stakeholders.
Ability to work independently, manage competing priorities, and take ownership of assigned development activities.
U.S. citizenship required by contract.

Nice To Haves

Advanced Oracle database development experience, including PL/SQL, stored procedures, and database performance optimization.
Experience with Oracle Exadata.
Experience developing and deploying containerized applications using Docker, Kubernetes, or Red Hat OpenShift.
Experience implementing application security using Spring Security.
Experience with Kafka or other enterprise messaging technologies.
Experience modernizing legacy enterprise applications developed in COBOL, ProC, or C/C++.
Knowledge of secure software development practices and application security principles.
Experience using SonarQube and static code analysis tools.
Experience developing cloud-native applications.
Experience with AWS or Microsoft Azure cloud environments.
Experience supporting large-scale enterprise software development initiatives.
Experience supporting federal government customers or government IT modernization programs.
Ability to independently analyze legacy systems and recommend technical modernization strategies.
Experience supporting production releases and mission-critical enterprise applications.

Responsibilities

Design, develop, test, deploy, maintain, and modernize enterprise Java applications using Java 17 or later.
Develop scalable backend microservices and RESTful APIs using Java Spring Boot, Spring Framework, and Spring MVC.
Design and develop full-stack web applications using modern front-end frameworks such as React or Angular.
Analyze existing enterprise applications and support modernization efforts involving Java, C/C++, COBOL, ProC, Oracle, and related technologies.
Develop and maintain application data access layers using Spring Data JPA, Hibernate, and JDBC.
Design and implement complex SQL queries, PL/SQL, stored procedures, and batch processing solutions.
Optimize Oracle and relational database performance through efficient query design, database access patterns, and performance tuning.
Design scalable, secure, and maintainable application architectures using object-oriented design principles and established software design patterns.
Develop and support cloud-native applications and containerized deployments using Docker, Kubernetes, or Red Hat OpenShift.
Design, develop, integrate, and consume RESTful APIs supporting enterprise applications and distributed systems.
Develop automated unit and integration tests using JUnit and Mockito.
Participate in peer code reviews, architecture reviews, and technical design discussions.
Use SonarQube and static code analysis tools to identify vulnerabilities, improve code quality, and maintain development standards.
Troubleshoot complex application issues using debugging techniques, application logs, and root cause analysis.
Develop, maintain, and support CI/CD pipelines using Jenkins, Maven, Git, and related tools.
Support application deployments, production releases, and post-deployment troubleshooting.
Implement application monitoring, logging, and performance optimization practices.
Collaborate with business stakeholders to gather requirements, identify technical challenges, and translate business needs into software solutions.
Participate in Agile/Scrum ceremonies, including sprint planning, estimation, backlog refinement, and retrospectives.
Develop and maintain technical documentation, including system designs, implementation approaches, and technical decisions.
Independently manage assigned development activities and own features from initial design through production deployment and ongoing support.
Evaluate existing applications and recommend improvements to performance, maintainability, scalability, reliability, and security.