Mid-Level or Senior Java Developer

Work Status: Must be allowed to work legally in the U.S.
Location: Bethesda, MD

Job Description:

TTW Solutions is looking for a Mid-Level or Senior Java Developer to join our team in developing and maintaining a new web application for one of our U.S. federal government clients. The candidate is responsible, as part of a team, for building an innovative J2EE web application with the team using the latest proven open source, state-of-the-art technologies in a team with full life-cycle Agile and DevOps software development activities including design, develop, test, production, and maintenance.

Specific Duties Include:

  • Develop, maintain and extend Java J2EE applications utilizing Spring MVC, Spring, Hibernate using Agile methodology with distributed processing and relational database backend.
  • Design, develop and implement an Enterprise Service Bus (ESB) workflow process/engine in a Service-Oriented Architecture (SOA) environment using open source technologies including JBoss Drools, Active MQ, secure Web Services, Spring Integration, Spring Security, JQuery, and HTML5.
  • Design and develop a Web Services using SOAP-based or RESTful technologies conforming to customer specifications.
  • Experience with JMS/JDBC/IO/Threading.
  • Good knowledge of Database including, but not limited to, MS SQL Server or MySQL
  • Very good hands-on experience of SOAP-based web services coding/testing/tooling
  • Experience with JAXB and XML: expert level of JAXB marshalling/unmarshalling, and schema generation, XML processing framework is a plus
  • Hands-on experience with Spring framework v3 and v4: exposing to SpringMVC/ORM/OXM and Spring data JPA is a plus.
  • Hands-on experience with Front-End technique:
    • Full understanding of single page application and AJAX
    • Html and Html5 and CSS framework
    • JQuery and AngularJS


  • The candidate must minimally possess a Bachelor’s degree in Computer Science, Information Systems or a similar field and have had current, hands-on information technology experience as described.
  • 5+ years (mid-level) or 10+ years (senior-level) of hands-on experience in development using Java J2EE technologies.
  • Comfortable with agile/dynamic engineering environment.
  • Able to demonstrate strong independent problem solving, troubleshooting, analytical and conceptual skills.
  • Must be able to adapt in a rapid changing environment, a good team player.
  • Able to manage multiple tasks and meet scheduled dates.
  • Possess excellent written and communication skills and can work independently and well within groups.

About TTW Solutions, Inc.

TTW Solutions, Inc. is an award-wining woman-owned and minority-owned, 8(a) and ED/WOSB small business that delivers first-rate, expert IT and Management solutions and services. At TTW Solutions, our goal is to maximize our customers’ business value and efficiency by using the most innovative and effective methods available. ​The services we provide include: Agile and DevSecOps Application Development, Database & Systems Administration, Data Warehousing & Business Intelligence (BI) Analytics, Cloud Migration & Implementation, Systems Integration, Data Center Consolidation, Project and Program Management, and Operations and Maintenance (O&M) Support. TTW Solutions is committed to delivering the highest quality products and services to our customers, and is CMMI DEV ML3 and CMMI SVC ML3 appraised and ISO 9001:2015 and ISO 20000-1:2011 certified.

TTW Solutions, Inc. offers:

  • Competitive compensation
  • Performance-based bonuses
  • Health Care Coverage: Medical, Dental and Vision
  • 401(k) Retirement Savings Plan with Contribution Matching
  • Very Good Paid Vacation
  • Paid Holidays
  • Flexible Work Schedule
  • Training and Certification Opportunities
  • Transit Benefit Program
  • Great Team Working and Knowledge Sharing Environment

Thank you for reviewing the job opportunity. We are an Equal Opportunity Employer.

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