Software Engineer


The Johns Hopkins University Applied Physics Laboratory (APL), a national leader in scientific research and development, located midway between Baltimore and Washington, DC is seeking a Software Engineer.

Job Summary:

The Large-Scale Analytics Systems Group (QAS) provides critical contributions to some of the nation's greatest information systems challenges today. Candidate will design and develop software knowledge systems to support data management, technology assessments and test and evaluation for DHS and DoD programs. We are looking for an energetic and creative individual to design and code complex software systems using modern computer science and engineering tools and techniques. The successful candidate will join a growing team of software engineers and data scientists in the collegial environment of a university-affiliated research center.

Duties (Listed in order of importance with the estimated amount of time spent at each task):

  1. Develop and maintain software; implement highly scalable components and reliable web applications. (70%)

  2. Develop thorough and automated unit test harnesses for developed solutions. Participate in formal requirement, design, and code reviews. (20%)

  3. Present results to both JHU/APL and Sponsor leadership. (10%)

Note: This job summary and listing of duties is for the purpose of describing the position and its essential functions at time of hire and may change over time.

Required Qualifications:

B.S. in computer science, computer engineering, information systems, or equivalent. 1-5 years of experience in software development & engineering, including requirements analysis, software architectures, software development, installation, integration, evaluation, enhancement, maintenance, testing, and problem diagnosis/resolution. Experience developing software with object-oriented languages such as Java, C#, PHP, or Python. Excellent interpersonal skills, the ability to work independently, outstanding written and oral communications skills, and good organizational skills. Must be eligible for DoD clearance requiring background investigation.

Desired Qualifications:

M.S. in the disciplines listed above. Experience with full-stack Java development experience: Spring, Struts, Hibernate, web services, relational databases, REST API, NoSQL databases, XML-related technologies, ontologies, Javascript-based technologies, and/or other graphical interface technologies. Working knowledge of Jira, GForge, Maven, Jenkins, and JUnit.

Special Working Conditions [Travel, working in closed areas, extended hours]: Minimal local travel to sponsor sites may be required.

Security: Applicant selected will be subject to a government security clearance investigation and must meet the requirements for access to classified information. Eligibility requirements include U.S. citizenship.

Benefits: APL offers a comprehensive benefits package including a liberal vacation plan, a matching retirement program, significant educational assistance, a scholarship tuition program for staff with dependents, and competitive salaries commensurate with skills and experience. For more information about our organization, please visit our web site at

Equal Employment Opportunity: Johns Hopkins University/Applied Physics Laboratory (APL) is an Equal Opportunity/Affirmative Action employer that complies with Title IX of the Education Amendments Acts of 1972, as well as other applicable laws. All qualified applicants will receive consideration for employment without regard to race, color, religion, sexual orientation, gender identity, national origin, disability, or protected Veteran status.

Meet Some of Johns Hopkins Applied Physics Laboratory's Employees

Gianni P.

Electrical Engineer

Gianni works on the design, modeling, and simulation of low- to high-fidelity radar projects for the lab. He also conducts tests to evaluate new technologies.

Mary A.

Lead RF Systems Engineer

Mary Ann builds prototypes and integrates software and hardware communications in order to create complete systems for APL contracts and projects. She also collaborates with her team to fix software issues.

Back to top