ALTA IT Services, LLC · 3 days ago
Senior Java Application Developer
Washington, DC
Contract
Onsite
Senior LevelALTA IT Services, LLC is a leader in delivering outsourced services and workforce solutions across North America. They are seeking a Senior Java Application Developer to support the modernization of legacy systems by upgrading from Java/JDK 8 to Java/JDK 21, leveraging various Java technologies and methodologies.
ConsultingInformation TechnologyStaffing Agency
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Support up to 3 legacy mission-essential systems in the upgrade from Java/JDK 8 to Java/JDK 21 technology and beyond with operations and maintenance
Leverage knowledge of Object-Oriented Programming, software development methodologies, and the Java language to seamlessly transition systems
Ensure smooth and successful migration using technologies such as Servlet, JSP, Tag Library, JavaBean, and SQL Server database
Modernize the user interface and enhance the overall user experience using tools like Maven, JavaScript, jQuery, Knockout.js, HTML, and CSS
Be well-versed in Windows authentication, SSL, session management, and Single Sign-On (SSO) technologies
Familiarity with RESTful web services, JSON parsing, and multipart/form-data file management is highly valued
Proficiency with build tools (Maven/Gradle) and experience updating build pipelines to accommodate newer Java versions
Experience with continuous integration/continuous deployment (CI/CD) pipelines (Azure DevOps, GitLab)
Experience with application performance monitoring tools and techniques
Ability to create and maintain runbooks for operational procedures and proficiency in identifying and resolving production issues
Understanding of JVM tuning and garbage collection optimization and experience implementing and maintaining automated health checks
Knowledge of security patch management and vulnerability assessment
Version control with Git and familiarity with application servers (e.g., Tomcat, WebSphere, WildFly)
Knowledge of common enterprise integrations (SQL Server databases, messaging systems) and experience with containerization technologies (Docker, Kubernetes) is a plus
Excellent written and verbal communication skills and strong problem-solving abilities
Ability to document migration processes, decisions, and technical debt
Self-motivated with the ability to work independently and a collaborative approach when working with existing development teams
Strong time management skills to deliver migration within schedule constraints and experience providing on-call support and incident management
Qualification
Required
US citizenship required per government contract
Must be able to obtain Public Trust clearance
Java experience
Strong aptitude in modernizing systems
Support up to 3 legacy mission-essential systems in the upgrade from Java/JDK 8 to Java/JDK 21 technology and beyond
Expertise in technologies such as Servlet, JSP, Tag Library, JavaBean, and SQL Server database
Proficiency in tools like Maven, JavaScript, jQuery, Knockout.js, HTML, and CSS
Well-versed in Windows authentication, SSL, session management, and Single Sign-On (SSO) technologies
Familiarity with Spring, Spring MVC, and ORM technologies like Hibernate and JPA
Familiarity with RESTful web services, JSON parsing, and multipart/form-data file management
Expertise in vulnerability remediation techniques such as CSRF, SQL injection, XSS, and reflection attacks
Previous experience successfully migrating Java applications across multiple major versions
Knowledge of common pitfalls and solutions when upgrading Java applications
Understanding of deprecated features and their modern replacements
Experience identifying and resolving compatibility issues
Proficiency with build tools (Maven/Gradle)
Experience updating build pipelines to accommodate newer Java versions
Dependency management skills and handling library compatibility challenges
Experience with continuous integration/continuous deployment (CI/CD) pipelines (Azure DevOps, GitLab)
Experience with application performance monitoring tools and techniques
Knowledge of log management and analysis systems
Ability to create and maintain runbooks for operational procedures
Proficiency in identifying and resolving production issues
Understanding of JVM tuning and garbage collection optimization
Experience implementing and maintaining automated health checks
Knowledge of security patch management and vulnerability assessment
Version control with Git
Familiarity with application servers (e.g., Tomcat, WebSphere, WildFly)
Knowledge of common enterprise integrations (SQL Server databases, messaging systems)
Soft Skills: Excellent written and verbal communication skills
Strong problem-solving abilities and attention to detail
Ability to document migration processes, decisions, and technical debt
Self-motivated with the ability to work independently
Collaborative approach when working with existing development teams
Strong time management skills to deliver migration within schedule constraints
Experience providing on-call support and incident management
Preferred
Experience with containerization technologies (Docker, Kubernetes) is a plus
Benefits
Health and welfare benefits coverage options including medical
Dental
Vision
Spending accounts
Life insurance
Voluntary plans
Participation in a 401(k) plan
Company
ALTA IT Services, LLC
ALTA IT Services, LLC combines experience and expertise to deliver IT talent that meets and exceeds the expectations of our clients.
Founded in 2004
201-500 employees
Funding
Current Stage
Growth StageTotal Funding
unknown2015-12-18Acquired
Leadership Team
Bonnie Wells
Senior Business Development Manager - Strategic Staffing Partner
Company data provided by crunchbase