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Job Details

Marklogic Developer (SME)


AI Developer


Reston, Virginia, United States


We have an IMMEDIATE NEED for a Java developer to play the role of Marklogic SME and provide Agile DevOps support to mission critical systems. As the Marklogic SME on this program, you will have the opportunity to build strong systems, software, and cloud environments and provide operations and maintenance for critical systems. The candidate will design, develop, and implement Marklogic code and data within technology initiatives. Based in a DevOps framework, 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.

Primary Responsibilities:

  • Design and develop solutions that integrate Marklogic with existing enterprise platforms and systems

  • Develop XQuery, JavaScript and REST modules on the Marklogic technology stack

  • Develop Entity models

  • Utilize the Marklogic library to support GRC initiatives

  • Participate in software programming initiatives to support innovation and enhancement, using HTML, CSS, JavaScript, Java, Python, SpringBoot, and Hibernate.

  • Developing and directing software system validation and testing methods using Junit and Katalon

  • Develop and integrate custom developed software solutions to leverage automated deployment technologies

  • Develop, prototype and deploy solutions within Commercial Cloud Solutions leveraging Infrastructure platform services

  • Coordinate closely with team members, Product Owners and Scrum Masters to ensure User Story alignment and implementation to customer use cases

  • 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

  • Support the Agile software development lifecycle following Program SAFe practices

  • Use industry leading DevOps tools like GitHub, Jenkins, Unix bash scripting

  • Document and Perform systems software development, including deployment of build artifacts across different environments leverage GitFlow constructs

  • Communicate key project data to team members and build team cohesion and effectiveness.

  • Leverage Atlassian tool suite like JIRA and Confluence to track activities

  • Apply and identify best practices and standard operating procedures

  • Create innovative solutions to meet the technical needs of customers.

Basic Qualifications:

  • 7+ years of hands-on application development utilizing the Marklogic framework

  • Strong analytical and design skills, including the ability to understand business requirements and translate them into efficient and effective technical designs that work well within large-scale, well-structured enterprise environments

  • Experience in the development of service-oriented architecture application

  • Good understanding of Object-Oriented Design and Design Patterns

  • Experience with 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

  • Experience with developer Marklogic Entity Model

  • Experience with building Marklogic data hub

  • Experience with Unix/Shell scripting.

  • In-depth experience Java and data processing, manipulation or querying (SQL or NoSQL)

  • Proficient with common Agile practices, service-orientated environments, and development practices

  • In-depth experience in the software development lifecycle, with experience delivering within DevOps toolsets/practices

  • Direct experience utilizing software testing performance tools, such as Junit

  • Experience with scripting languages, such as Python, Bash

  • Experience working in an Agile development environment and tempo

  • Experience with development in Commercial Cloud Platforms (ex, AWS, Google Cloud, Azure)

  • Experience with development leveraging cloud data services (ex: S3, RDS, EFS)

  • Excellent communication skills (written and verbal)

**Candidate must have a Master’s with 15+ years of relevant experience or a PhD with 13+ years of relevant experience.

**Candidate must have an active TS/SCI with polygraph.

Preferred Qualifications:

  • Experience developing in or deploying to AWS


Original Posting Date:


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 $144,300.00 - $260,850.00

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.