Sr. Software Developer
Company: Leidos
Location: Annapolis Junction
Posted on: April 2, 2026
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Job Description:
At Leidos, we deliver innovative solutions through the efforts
of our diverse and talented people who are dedicated to our
customers’ success. We empower our teams, contribute to our
communities, and operate sustainable practices. Everything we do is
built on a commitment to do the right thing for our customers, our
people, and our community. Our Mission, Vision, and Values guide
the way we do business. Employees enjoy career enrichment
opportunities available through mobility and development and
experience rewarding relationships with supportive supervisors and
talented colleagues and customers. Your most important work is
ahead. If this sounds like the kind of environment where you can
thrive, keep reading! We have an exciting opportunity for an
experienced Sr. Software Engineers to join a high performing agile
team using the Scaled Agile Framework (SAFe) methodology in
Annapolis Junction, MD; Alexandria, VA; Aurora, CO; or San Diego,
CA! You will support a nationally significant and fast-paced
cryptographic key management program. Program execution follows
DEVOPS best practices and employs robust development, test, and
production environments. Additionally, the program is using
Behavioral Driven Development (BDD) and test automation tools
alongside a full suite of team collaboration tools. Leidos is the
prime contractor providing system engineering, development, test,
integration, and operational support. This new program is focused
on injecting new technology and adding advanced capabilities over
the coming three years while continuing to support an on-going
mission and operational system. You will perform software
development activities as a member of an agile development team.
Development includes the full range of turning agile stories into
implementable concepts, through development, testing, and
deployment of the new capabilities in this complex system.
Following the BDD pattern, our developers are responsible for
implementing robust testing leveraging DEVOPS automation and, where
appropriate, use of test automation commercial tools. There are a
range of opportunities for server-side business logic
implementation as well as client web application and user interface
(UI) development. Java, Python, embedded C/C++, Java cryptographic
framework, XML, web UI and special purpose device programming
opportunities are available. You will be responsible for analyzing
and resolving highly complex software issues related to multiple
aspects and components of the system; collaborate with other
experts within the program and in the user community to design,
develop, and debug existing software, and to design and develop
enhancements that incorporate new capabilities into various
components of the existing systems; provide technical leadership
for software development activities as a member of an agile team
and will actively participate in program increment planning and
related team activities. You will perform high-level software
development functions including design, development,
troubleshooting, and debugging of software programs; analyze system
requirements and develop and maintain software infrastructures
using Computer Aided Software Engineering (CASE) tools. You will be
responsible for using sound software engineering principles to
ensure that developed code is modifiable, efficient, reliable,
understandable, fault tolerant, and reusable, including providing
software process management and control throughout the coding
portion of the software development process; work with other
Software Engineers and System Engineers in resolving complex
technical issues and problems that impact multiple facets of the
system. Basic Qualifications: Requires a Masters degree with 15 –
20 years of prior relevant experience or Doctorate with 13 – 16
years of prior relevant experience. Must have demonstrated
development experience with Java. Specific experience with one or
more of the following: Java/JEE, Python, C/C++, SQL, SOAP, WSDL,
WADL. Experience with User Interface development, knowledge of
databases and structures, and/or experience working with XHTML,
HTML, XML, XSLT Experience developing on Windows, and/or Linux
operating systems. Experience with one or more of the following:
Java, Python, PERL, PowerShell, VBS, Eclipse, Postgres, Oracle,
Jenkins on a Windows platforms. Must have a strong understanding of
sound software development principles and practices. Must be able
to plan and prioritize personal tasking and be able to communicate
effectively verbally and in writing. Must be an independent
thinker, capable of performing high quality work, both
independently and with a team in a fast-moving environment.
Security Clearance Requirement: Must have possess an active TS/SCI
with Polygraph to be considered for this role. Preferred
Qualifications: Experience with the following: JEE, SQL,
application servers (Tomcat, WebLogic, JBoss), scripting;
experience with high level requirements management including
requirements decomposition, secure systems engineering and
development, trade-off analysis, interface control, and testing and
continuous integration. 5 years of experience in software
development on Agile teams using Agile Developer practices such as
Pair Programming, TDD, Refactoring, and ATDD Experience with
FITNesse, Mockito, Cucumber, Unified Functional Tester (UFT),
Selenium Experience with Behavior Driven Development (BDD) or
Test-Driven Development (TDD) Secure Software development (i.e.,
Layer 7 Policy) Experience with the Scaled Agile Framework (SAFe)
methodology, SAFe Agilest Certification, or experience as a member
of an agile team. If you're looking for comfort, keep scrolling. At
Leidos, we outthink, outbuild, and outpace the status quo — because
the mission demands it. We're not hiring followers. We're
recruiting the ones who disrupt, provoke, and refuse to fail. Step
10 is ancient history. We're already at step 30 — and moving faster
than anyone else dares. Original Posting: March 25, 2026 For U.S.
Positions: While subject to change based on business needs, Leidos
reasonably anticipates that this job requisition will remain open
for at least 3 days with an anticipated close date of no earlier
than 3 days after the original posting date as listed above. Pay
Range: Pay Range $154,050.00 - $278,475.00 The Leidos pay range for
this job level is a general guideline only and not a guarantee of
compensation or salary. Additional factors considered in extending
an offer include (but are not limited to) responsibilities of the
job, education, experience, knowledge, skills, and abilities, as
well as internal equity, alignment with market data, applicable
bargaining agreement (if any), or other law.
Keywords: Leidos, Vineland , Sr. Software Developer, IT / Software / Systems , Annapolis Junction, New Jersey
