Senior Java Developer

ASSYST is seeking a highly skilled and experienced Senior Java Developer to join our clients team. The ideal candidate will play a critical role in designing, developing, maintaining, and supporting enterprise systems and applications on client's technology platforms. This position requires strong expertise in Java/J2EE, enterprise application architecture, and integration with various databases and front-end technologies.
Job Title: Senior Java Developer
Location: Baltimore, MD 21202 (Hybrid)

Job Description
Duties and Responsibilities:

• Design, develop, enhance, maintain, fix, and support enterprise systems and applications within the client technology platforms using open-source enterprise architecture and technologies, including Java/J2EE, Angular, PHP, HTML, Struts, Spring, Hibernate, RESTful API, and JBoss EAP.
• Collaborate with business and IT teams to understand and translate business requirements into formal technical specifications and application code.
• Develop and execute quality unit tests, integration plans, and scripts to ensure that application changes meet technical specifications.
• Work closely with testing and business teams to complete acceptance testing and contribute to integration, performance, and other testing functions.
• Participate in technical reviews at various stages of software and application development.
• Adhere to all security, Project Management Office (PMO), change control, work management, and service delivery policies, processes, tools, and methodologies.

Qualifications:

• 10+ years of experience in the IT field developing and maintaining public-facing Java EE applications.
• 8+ years of experience with Eclipse IDE, SVN/GIT, Spring, Struts, JPA, Hibernate, Web Services, and Enterprise Service Bus (ESB).
• 7+ years of experience in Java EE development for enterprise applications.
• 5+ years of experience Developing secure REST APIs and integrating with front-end technologies.
• 5+ years of experience Working with Angular, React JS, and adopting responsive design standards.
• 5+ years of experience Working with SQL stored procedures and complex queries (PostgreSQL, MySQL, Oracle, or equivalent).
• 4+ years of experience Integrating Java applications with MongoDB, SQL, or NoSQL databases.
• 4+ years of experience Supporting health insurance marketplace, health and human services, or similar complex public-facing applications.
• 2+ years of experience developing Java-based REST APIs using Spring REST, Struts, or similar frameworks.
• Proficiency in build and deployment tools such as Maven, ANT, and Jenkins.
• Experience with JBoss Fuse ESB and AngularJS.
• Familiarity with security scanning tools (Veracode, AppScan, Fortify) and performing vulnerability fixes.
• Strong analytical and debugging skills.
• In-depth knowledge of SOA, microservices architecture, REST APIs, API/Web Services security, and JSON/XML schema development.
• Experience with Agile software development practices and various project lifecycle tools.
• Knowledge of Affordable Care Act (ACA) eligibility rules, Medicaid 8001 file processing, and EDI 834 enrollment transactions.
• Familiarity with Project Management Office (PMO) standards, processes, and procedures.

ASSYST is an Equal Opportunity Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, disability, military status, national origin or any other characteristic protected under federal, state, or applicable local law.