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SENIOR JAVA DEVELOPER

HOURLY RATE: $60/HR. W2 BENEFITS AVAILABLE

EXPECTED START DATE: AUGUST 2025

CLEARANCE: Successful completion of a Fingerprint background investigation required

ALTA IT Services is seeking an Applications Programmer (Senior Java Developer) responsible for understanding, defining, analyzing, designing, coding, evaluating, testing, debugging, and implementing complex software applications for the development, enhancement, and maintenance of the Maryland Health Benefit Exchange (HBX) and other systems.

DUTIES AND RESPONSIBILITIES:

+ Design, develop, enhance, maintain, fix, and support enterprise systems and applications of MHBE technology platforms utilizing open-source driven enterprise architecture, Java/J2EE, Angular, PHP, HTML, Struts, Spring, Hibernate, RESTful API, JBoss EAP, and other technologies.

+ Interface with business and IT teams to understand and translate business requirements into formal technical specifications and application codes.

+ Develop and execute quality unit tests, integration plans, and scripts to validate that application changes meet technical specifications.

+ Work 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, service delivery policies, processes, tools, and methodologies.

+ Note: The candidate must be flexible to work overtime as needed, including weekends, holidays, and off-hours

MINIMUM QUALIFICATIONS:

+ A minimum of seven (7) years of experience in Java EE development and maintenance of enterprise applications.

+ A minimum of five (5) years of experience with various development tools and technologies such as Eclipse IDE, GIT, Spring, Struts, JPA, Hibernate, Angular, JavaScript, TypeScript, HTML, HTML5, CSS3, JSP, Servlets, Web Services, and REST API.

+ A minimum of four (4) years of experience developing SQL Queries for relational databases such as PostgreSQL, MySQL, Oracle, or other enterprise databases.

+ A minimum of four (4) years of hands-on experience integrating Java-based applications with MongoDB, SQL, NoSQL, or other enterprise databases.

+ A minimum of two (2) years of hands-on experience developing Java-based REST API with tooling such as Spring-REST, Struts, or equivalent

+ Proven experience designing and working with n-tier architecture and microservices-based applications (UI, Business Logic Layer, Data Access Layer).

+ Proven strong analytical and debugging skills.

PREFERRED QUALIFICATIONS:

+ A minimum of ten (10) years of experience in the Information Technology field developing, enhancing, maintaining, or supporting Java EE technology-based public-facing complex applications.

+ A minimum of eight (8) years of experience in Eclipse IDE, SVN/GIT, Java/J2EE, Spring/Struts/JPA/Hibernate, Web Services, and Enterprise Service Bus.

+ A minimum of five (5) years of experience developing secure Java-based REST APIs such as Spring REST and working with various technical teams to integrate the APIs with front-end applications.

+ A minimum of five (5) years of front-end integration experience working with

+ development, testing, and leading technical initiatives revamping technology solutions

+ and adopting responsive design standards using Angular and React JS.

+ A minimum of five (5) years of experience with SQL Stored Procedures and complex SQL queries using relational databases.

+ A minimum of four (4) years of experience providing technical support designing, developing, enhancing, or maintaining health insurance marketplace, health, and human services, integrated eligibility, or equivalent complex public-facing applications.

+ A minimum of five (5) years of experience with build and deployment processes and using tools such as Maven, ANT, and Jenkins.

+ A minimum of two (2) years of experience in Implementing Enterprise Service Bus (ESB) using JBoss Fuse ESB.

+ A minimum of two (2) years of experience with Angular JS technology.

+ Experience working with code security scanner software such as Veracode, AppScan, and Fortify and performing vulnerability fixes to Java applications.

+ Knowledge of SOA, microservices architecture, and web services internals.

+ Knowledge of REST API and web services internals, including API security, Web Services security, and JSON/XML Schema development.

+ Familiarity with various traditional and innovative project management approaches, tools, and phases of the project lifecycles.

+ Experience with Agile software development practices.

+ Knowledge of the Affordable Care Act (ACA) eligibility rules for Medicaid and Qualified Health Plans.

+ Experience with or knowledge of Medicaid 8001 file processing or other inter-agency transactional file processing.

+ Experience with EDI 834 enrollment transactions, including Adds, Changes, Terminations, Cancellations, and error processing.

+ Experience working with the Project Management Office (PMO) processes, policies, and procedures.

+ Location: 750 E. Pratt St, 6th floor, Baltimore, MD 21202. The candidate may be required to work on-site or remotely on specific days

Please send an updated resume to Melissa McNally via [email protected] for consideration

System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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Ref: #855-IT Baltimore

System One, and its subsidiaries including Joulé, ALTA IT Services, CM Access, TPGS, and MOUNTAIN, LTD., are leaders in delivering workforce solutions and integrated services across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible full-time employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.