Sr. Marklogic Developer job opportunity at Leidos.

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DateMore Than 30 Days Ago bot
Leidos Sr. Marklogic Developer
Experience: 6-years
Pattern: full-time
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degreeBachelor's (B.A.)
loacation Bethesda, MD, United States Of America
loacation Bethesda, MD....United States Of America

Leidos  has an exciting opportunity for a Sr. MarkLogic Developer 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 strengths 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. Basic Qualifications 4+ 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 Significant experience with Java and data processing, manipulation or querying (SQL and NoSQL). Bachelors with 8+ years of relevant experience or a Masters with 6 or more years of relevant experience.  Will consider work experience 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 $107,900.00 - $195,050.00 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.

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