MarkLogic Developer (SME)
Company: Leidos
Location: Bethesda
Posted on: April 2, 2026
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Job Description:
Leidos has an exciting opportunity for a MarkLogic Developer SME
in our Intel Security Sector's Analysis Solutions Business Area .
Our talented team is at the forefront in Security Engineering,
Computer Network Operations (CNO), Mission Software, Analytical
Methods and Modeling, Signals Intelligence (SIGINT), and
Cryptographic Key Management. At Leidos , we offer competitive
benefits , including Paid Time Off, 11 paid Holidays, 401K with a
6% company match and immediate vesting, Flexible Schedules,
Discounted Stock Purchase Plans, Technical Upskilling, Education
and Training Support, Parental Paid Leave, and much more. Join us
and make a difference in National Security! Job Summary This Java
Developer role with expertise in developing MarkLogic based
applications provides Agile DevOps support to mission-critical
systems. You will have the opportunity to build and maintain
systems, software, and cloud environments, while providing
operations and maintenance for critical systems. In this role, you
will also design, develop, and implement applications utilizing
MarkLogic databases with business logic written in XQuery.
Additionally, based on a DevOps framework, you will participate in
and/or direct major deliverables of projects through all aspects of
the software development lifecycle, including scope and work
estimation, architecture and design, coding, and unit testing. Job
Responsibilities Design and develop solutions integrating MarkLogic
with existing enterprise platforms and systems. Develop XQuery,
JavaScript, and REST modules on the MarkLogic technology stack.
Develop Entity models and participate in software programming
initiatives using HTML, CSS, JavaScript, Java, Angular, Python,
SpringBoot, and Hibernate. Develop and direct software system
validation and testing methods using Junit and Katalon. Develop and
integrate custom software solutions leveraging automated deployment
technologies; while supporting the Agile software development
lifecycle following Program SAFe practices. Analyze (though proof
of concept, performance, and end-to-end testing) and effectively
coordinate Infrastructure needs driven by developed software to
meet customer mission needs. Implement MarkLogic-based application
processes to support Governance, Risk and Compliance initiatives.
Basic Qualifications 7 years of hands-on application development
utilizing the MarkLogic framework. Strong analytical and design
skills, with the ability to translate business requirements into
efficient and effective technical designs within large-scale,
well-structured enterprise environments. Significant experience in
the development of service-oriented architecture applications. Good
understanding of Object-Oriented Design and Design Patterns.
Significant experience implementing the MarkLogic java-client-api
within an enterprise application. Strong knowledge of XQuery, FLWOR
queries, JavaScript, MarkLogic, SPARQL, RDF data, XML Data,
triple-stores, XML Processing. In-depth experience with Java and
data processing, manipulation or querying (SQL and NoSQL). Masters
with 15 or more years of relevant experience or a PhD with 13 or
more years of relevant experience. Additional years of experience
may be substituted in lieu of a degree. TS/SCI with a polygraph is
required for consideration. Preferred Qualifications Experience
developing in or deploying to AWS. At Leidos , the opportunities
are boundless. We challenge our staff with interesting assignments
that allow them to thrive professionally and personally. For us,
helping you grow your career is good business. We look forward to
learning more about you – apply today. CABARESTON 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: January 21, 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, Bel Air North , MarkLogic Developer (SME), IT / Software / Systems , Bethesda, Maryland
