Sr. Marklogic Developer

Leidos; United States; On-site; USD 107,900 - 195,050; Full time

Job summary

Leidos is looking for a Java Developer to work on developing applications using MarkLogic. This role involves designing, developing, and maintaining mission-critical systems, focusing on integrating MarkLogic with existing platforms. Candidates should have extensive experience in Java, XQuery, and database technologies.

The ideal applicant holds at least a Bachelor’s degree and has 8+ years of experience or a Master's with 6+ years. A TS/SCI clearance with a polygraph is required for consideration.

Qualifications

• 4+ years of hands-on application development utilizing the MarkLogic framework.
• Significant experience in the development of service-oriented architecture applications.
• Strong knowledge of XQuery, FLWOR queries, and XML processing.

Responsibilities

• Design and develop solutions integrating MarkLogic with existing enterprise platforms.
• Develop XQuery, JavaScript, and REST modules.
• Analyze performance and coordinate infrastructure.
• Develop and integrate custom software solutions.

Skills

Java

MarkLogic

XQuery

JavaScript

REST APIs

Agile Development

SQL

NoSQL

Education

Bachelor’s degree with 8+ years of relevant experience or a Master’s with 6+ years

Tools

AWS

Junit

Katalon

Job description

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 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).
• Bachelor’s degree with 8+ years of relevant experience or a Master’s with 6+ years of relevant experience. Work experience may be considered in lieu of a degree.
• TS/SCI with a polygraph is required for consideration.

Preferred Qualifications

• Experience developing in or deploying to AWS.

Pay Range

$107,900.00 – $195,050.00

Equal Opportunity Employer

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.