Scientific Systems and Software International Corporation


Java/J2EE Developer - SSSI.116.DB3

Computer Science

Full Time

Catonsville, US

Posted this week

About the Job

Salary - $65000 - $80000/Year

Description of Work:

  • Provide development support to the government client and enable design, development, and implementation of complex systems.
  • Implement web programming techniques and frameworks.
  • Design, Develop and use User Interface (UI) using Angular, Node.Js, web-based APIs (especially REST-based APIs),
  • Develop data migration programs using Java
  • Conduct unit testing to ensure high quality bug free code.
  • Design and implement scalable and robust approaches to caching, security, and databases
  • Decompose business and system architecture to support clean-interface multi-team development.
  • Understands the business problem statement, user stories, and technical constraints Participate in the full life cycle of an agile or waterfall projects by designing and developing user interfaces and applications.
  • Participate in planning, retrospectives, demos and daily stand-ups.
  • Demonstrate strong oral and written communication skills, with the ability to communicate technical topics to management and non-technical audiences, as well as interface with the customer on a daily basis.
  • Ensure Section 508 Compliance.
  • Provide weekly and monthly status to the management.
  • Demonstrate strong oral and written communication skills, with the ability to communicate technical topics to management and non-technical audiences, as well as interface with the customer on a daily basis

Basic Qualifications: Minimum knowledge, skills, abilities needed.

  • Bachelor’s degree and 12 years of relative experience, Master's degree and 9 years of relative experience, or 18 years of relative experience in an IT field in lieu of a degree.
  • Minimum of 6 years of experience with Java or J2EE, Websphere, Maven, Git, Jenkins
  • Minimum of 6 years of experience working with relational databases with emphasis on Oracle
  • Minimum of 3 years of experience using CI/CD tools on PaaS environment. Preferably AWS
  • Minimum 2 years’ experience in developing metrics using WebFocus
  • Minimum of 4 years of experience with two or more of the following frameworks/technologies:
  • * JPA/Hibernate, SOA and web service technologies, Struts 2.0 framework, and web development (HTML, JavaScript, jQuery, and CSS, Custom Tags, Spring Boot Framework (Spring MVC), Spring Security (OAuth and JWT) , Java Persistence, API(JPA)/Spring Data JPA, OpenShift PaaS, JSON , XML, Postman, Swagger, and PostgreSQL )*
  • Minimum of 1 year of experience using a code repository with distributed version control such as Git/Bit Bucket.
  • Minimum of 3 years of hands on experience on data migration projects
  • Must be able to obtain and maintain a US Public Trust clearance

Preferred Qualifications: Candidates with these skills will be given preferential consideration.

  • Prior Social Security Administration (SSA) experience
  • Experience with relational database systems including PostgreSQL, Oracle, MySQL, and DB2; and writing complex SQL queries
  • Development, design and production support experience
  • Ability to contribute to design and architecture discussions
  • Experience in creating design/technical documentation
  • Experience in different application servers
  • Experience in developing Design patterns and UMLs
  • Experience in Agile/Scrum methodology and tools (such as Version One, Rally, or JIRA)
  • Proficient in Extensible Markup Language (XML) and SharePoint
  • Extensive knowledge of SOA principle, design patterns, application and integration architectures.
  • Extensive experience in Object Relational Mapping technologies like JPA/Hibernate in web service technologies
  • Extensive experience with Unit Testing using Junit
  • Experience with Domino Data Science Platform

Job Type: Full-time

Pay: $65,000.00 - $80,000.00 per year


  • 401(k)
  • 401(k) matching
  • Dental insurance
  • Health insurance
  • Life insurance
  • Paid time off
  • Professional development assistance
  • Referral program
  • Vision insurance


  • Monday to Friday

Ability to commute/relocate:

  • Catonsville, MD 21228: Reliably commute or planning to relocate before starting work (Preferred)

Work Location: One location

Posted this week

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