Software Developer, Full Stack (Java) Senior

  • Leidos,
  • Baltimore, MD
  • 11 hours ago
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Java, Software, Developer, Web, UX, SQL, Architect, Application, Security, PL/SQL, Data Modeling, Computer, Engineering, HTML, JavaScript, JSP, DB2, Oracle, JDBC, Development
Full Time

Job Description


Job Description:

Leidos is seeking a Senior Full Stack (Java) Software Developer for Baltimore location.

The Senior Full Stack (Java) Software Developer is an accomplished technical leader, proactive customer-focused advocate, a team player with substantial software engineering experience. The candidate will provide hands-on experience with enterprise software development, integration, implementation, test automation, and SOA/Microservice architecture to a cross-functional software development team. The ideal candidate will have a good foundation with Java, JEE platform, Microservice architecture, REST, Angular, Typescript, Web Content Accessibility/USDS, UX, and SQL/Data Modelling.

The candidate must demonstrate a willingness to learn new innovative technologies and overcome technical challenges in a fast-paced environment. The candidate will play a key role in modernizing legacy applications leveraging cloud computing, DevOps, or Big Data technologies.


Architect, design, code, and implement next-generation web application using software engineering best practices in the latest technologies:

o Single Page Application front-end (Angular, React, NodeJS, Sass, Typescript)

o Spring Framework (Boot, Cloud, Security, Data)

o DevOps (Jenkins, Red Hat OpenShift, Docker, SonarQube, UrbanCode)

Provide software expertise in one or more of these areas: Java application integration, Java enterprise services, service oriented architectures (SOA), security, business process management/business rules processing, user experience (UX) and accessibility (Section 508/WCAG/USDS Web Standards)

Investigate and repair application defects regardless of component: front-end, business logic, middleware, or database (PL/SQL and Data Modeling).

Brief management, customer, team, or vendors using written or oral skills at appropriate technical level for audience

All other duties as assigned or directed


Bachelor's Degree in Computer Science, Mathematics, Engineering, or a related field

o Master's or Doctorate's degree may substitute for required experience

o 11+ years of experience with full lifecycle development

o 7+ years of experience with Java systems/application analysis & design

o 4+ years of combined experience SOA/Microservice architecture/RESTful web service

Experience in an Agile development team, preferably Scaled Agile Framework (SAFe)

U.S. citizen or legal right to work in the United States without sponsorship

Day to Day Duties:
  • Candidate will participate as needed in all phases of software development with emphasis on the planning, analysis, development, testing, integration, documentation and presentation phases. The candidate will apply principles, methods, and knowledge of specific functional areas of expertise to specific Work Order requirements, and make recommendations and advise on organization-wide system improvements, optimization, or maintenance efforts.
  • Candidate may work closely with the team leader/chief engineer on activities such as technical proposal support, defect management, software development/modification/enhancement, system integration, and maintenance/process improvement activities.
  • The position will also support risk/opportunity management, causal analysis, and lessons learned activities.

Required Skills:

Solid knowledge of front-end technologies (HTML, JavaScript, JQuery, JSP, CSS)

Excellent knowledge with Java EE, Java generics and concurrent programming.

Excellent knowledge of relational databases (PostgreSQL, DB2, Oracle), SQL, and ORM technologies (JPA2, Hibernate, Spring JDBC)

Solid experience with automated unit testing, TDD, BDD, and associated technologies (Junit, Mockito, Cucumber, Selenium, Karma/Jasmine)

Desired Skills:

An in-depth knowledge of Social Security Administration (SSA) modern development environment

Preferred experience with building responsive UIs with modern front end technologies (Angular, React, Node, Typescript, Bootstrap)

Preferred experience with Spring Framework (Boot, Batch, Cloud, Security, Data)

Preferred experience with delivery (CI/CD) best practices and DevOps to production

Preferred experience with PaaS using Red Hat OpenShift / Kubernetes, and Docker containers

Preferred experience with AWS cloud technologies or other cloud platforms

External Referral Bonus:

Potential for Telework:

Clearance Level Required:
ADP2 / IT2


Scheduled Weekly Hours:


Requisition Category:

Job Family:
Software Development

Pay Range:

Company Information

Leidos is a Fortune 500® information technology, engineering, and science solutions and services leader working to solve the world's toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company's 31,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $10.17 billion for the fiscal year ended December 29, 2017. (NYSE: LDOS) All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status.
Dice Id : SCNCAPI2
Position Id : R-00053435
Originally Posted : 1 month ago

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