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Contract Knowledge Graph Software Engineer Jobs in Frederick, MD

Leidos

Senior Software Engineer

Gaithersburg, MD · On-site

$132K - $174K/yr

US citizenship is required per contract. * Bachelor's degree in Computer Science, Software ... Working knowledge of Agile development and continuous integration/continuous delivery methodologies ...

Leidos

Senior Software Engineer

Gaithersburg, MD · On-site

$132K - $174K/yr

US citizenship is required per contract. * Bachelor's degree in Computer Science, Software ... Working knowledge of Agile development and continuous integration/continuous delivery methodologies ...

Meso Scale Discovery

Software Engineer

Gaithersburg, MD · On-site +1

$78K - $116K/yr

The Software Engineer is responsible for the design enhancement, integration, testing and life ... Knowledge of building tools/automated build systems and installation software is desired.

MSD

Software Engineer

Gaithersburg, MD · On-site

$78K - $116K/yr

The Software Engineer is responsible for the design enhancement, integration, testing and life ... Knowledge of building tools/automated build systems and installation software is desired.

WGS SYSTEMS LLC

Software Engineer

Frederick, MD · On-site

$131K - $177K/yr

... Knowledge of professional software engineering and best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes ...

Kepora

Cloud Software Engineer

Potomac, MD · On-site

$62 - $80.75/hr

... contracts of similar scope, type, and complexity is required; two (2) years of which must be in ... knowledge of Information Retrieval; assisting the software development team in designing ...

Northstrat

Software Engineer/Developer

Dulles, VA

Software Engineer / Developer Job Type: Full time, On-Site, potential for hybrid schedule Clearance ... and contract wage rates, relevant prior work experience, specific skills and competencies ...

Leidos

Sr. Software Engineer

Gaithersburg, MD · On-site

$107K - $195K/yr

... contract. You will work closely with Systems Engineers, Software Engineers, Architects, and ... Contribute to technical documentation and knowledge sharing within the team * Utilizes software ...

Leidos

Sr. Software Engineer

Rockville, MD · On-site

$107K - $195K/yr

... contract. You will work closely with Systems Engineers, Software Engineers, Architects, and ... Contribute to technical documentation and knowledge sharing within the team * Utilizes software ...

Viasat, Inc.

Software Engineer

Germantown, MD · On-site

$145K - $218K/yr

... software engineering experience in C, C++ with emphasis on design patterns * Experience with ... Knowledge in Jenkins, JIRA, Git and/or Perforce * Strong oral and written communication skills

Viasat, Inc.

Software Engineer

Germantown, MD · On-site

$145K - $218K/yr

... software engineering experience in C, C++ with emphasis on design patterns * Experience with ... Knowledge in Jenkins, JIRA, Git and/or Perforce * Strong oral and written communication skills

USM

Software Engineer

Gaithersburg, MD · On-site

Utilizing our industry knowledge, administration service offering expertise and innovation ... business keenness. 'Software engineering and software development with strong Java/ JEE/C ...

SlyFox Solutions LLC

Principal Software Engineer

Woodbine, MD · On-site

$148K - $198K/yr

The Principal Software Engineer will drive the company's technical vision and provide strategic ... Skills: Advanced knowledge in software architecture, cloud-based technologies, and strategic ...

Leidos

Software Engineer

Germantown, MD · On-site

$87K - $157K/yr

The Software Engineer will be required to support, ingest, clean, store, and analyze data. * The ... knowledge, skills, and abilities, as well as internal equity, alignment with market data ...

Leidos

Software Engineer

Derwood, MD · On-site

$87K - $157K/yr

The Software Engineer will be required to support, ingest, clean, store, and analyze data. * The ... knowledge, skills, and abilities, as well as internal equity, alignment with market data ...

Leidos

Software Engineer

Gaithersburg, MD · On-site

$87K - $157K/yr

The Software Engineer will be required to support, ingest, clean, store, and analyze data. * The ... knowledge, skills, and abilities, as well as internal equity, alignment with market data ...

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All JobsContract Knowledge Graph Software Engineer JobsContract Knowledge Graph Software Engineer Jobs in Frederick, MD

Contract Knowledge Graph Software Engineer information

See Frederick, MD salary details

$63.1K

$146.7K

$204.3K

How much do contract knowledge graph software engineer jobs pay per year?

As of Jul 14, 2026, the average yearly pay for contract knowledge graph software engineer in Frederick, MD is $146,678.00, according to ZipRecruiter salary data. Most workers in this role earn between $119,300.00 and $172,000.00 per year, depending on experience, location, and employer.

How does a Contract Knowledge Graph Software Engineer typically collaborate with data scientists and domain experts during a project?

As a Contract Knowledge Graph Software Engineer, you’ll often work closely with data scientists and domain experts to ensure that the knowledge graph accurately represents the underlying data and business logic. Collaboration usually involves regular meetings to clarify requirements, discuss data models, and review results. You may be tasked with translating complex domain concepts into graph structures, while also providing feedback on data quality and integration challenges. This cross-functional teamwork ensures that the final product meets both technical standards and business needs.

What is the difference between Contract Knowledge Graph Software Engineer vs Contract Data Engineer?

AspectContract Knowledge Graph Software EngineerContract Data Engineer
Required CredentialsBachelor's in CS or related, knowledge of graph databases, programming skillsBachelor's in CS, experience with data pipelines, SQL, and cloud platforms
Work EnvironmentTech companies, consulting firms, project-based rolesData-focused teams, cloud environments, analytics projects
Industry UsageAI, semantic web, knowledge managementData warehousing, big data, analytics

The Contract Knowledge Graph Software Engineer primarily focuses on developing and maintaining knowledge graphs using graph databases and semantic technologies, while the Contract Data Engineer concentrates on building data pipelines, managing large datasets, and supporting analytics. Both roles require strong programming skills and are often found in tech-driven industries, but they serve different core functions within data and knowledge management ecosystems.

What is a Contract Knowledge Graph Software Engineer?

A Contract Knowledge Graph Software Engineer is a professional who specializes in designing, developing, and maintaining knowledge graphs on a contract basis. Knowledge graphs are data structures that represent relationships between entities, enabling more effective data integration and semantic search. These engineers often work with graph databases, semantic web technologies, and ontologies to help organizations manage and leverage complex data. Their contract role means they are typically hired for specific projects or fixed periods rather than as permanent employees.

What are the key skills and qualifications needed to thrive as a Contract Knowledge Graph Software Engineer, and why are they important?

To thrive as a Contract Knowledge Graph Software Engineer, you need a strong background in computer science, proficiency in graph databases (such as Neo4j or Amazon Neptune), and experience with knowledge representation and data modeling. Familiarity with programming languages like Python or Java, as well as tools for semantic web technologies (RDF, SPARQL), is typically required. Strong problem-solving skills, adaptability, and effective collaboration are essential soft skills in this role. These competencies ensure efficient design and implementation of complex knowledge graphs, enabling organizations to unlock valuable insights from their data.
What are the most commonly searched types of Knowledge Graph Software Engineer jobs in Frederick, MD? The most popular types of Knowledge Graph Software Engineer jobs in Frederick, MD are:
Contract Knowledge Graph Software Engineer jobs near you
Senior Software Engineer

Senior Software Engineer

Leidos

Gaithersburg, MD • On-site

$132K - $174K/yr

Full-time

This job post has expired today. Applications are no longer accepted.

Leidos rating

8.4

Company rating: 8.4 out of 10

Based on 149 frontline employees who took The Breakroom Quiz

56th of 449 rated business services

Job description

Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers' mission to defend against evolving threats around the world. Our team's focus is to ensure our customers have the right tools, technologies, and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect people and critical assets.
Leidos Intel Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security operations, and decision analytics to support our defense and intel customers' mission to defend against evolving threats around the world. Our team's focus is to ensure our customers have the right tools, technologies, and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect people and critical assets.
The National Solutions Business Area, part of the Intel Sector, is currently seeking a highly motivated Senior Software Engineer (SWE) for the Chinook Program. The Chinook Program delivers next-generation, mission-focused software solutions for geospatial intelligence (GEOINT). This role offers a unique opportunity to contribute to meaningful national security work while building experience with modern software tools, agile practices, and classified cloud environments.
The responsibilities for this position include all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding, and automated testing within an Agile model. In this role, you will join a dynamic team that is singularly focused on providing world class solutions to our customer in an exciting, collaborative, and inclusive atmosphere. You will be challenged and provided a tremendous opportunity for growth in a customer-facing, fast-paced, and fun environment.
Primary Responsibilities:
  • Resolve various tasks as prioritized by the team product owner.
  • Engage in the complete software development lifecycle, operating within well-defined parameters.
  • Take ownership of delivering enhancements within a system or application.
  • Break down sizable tasks into manageable units for execution and provide LOE estimations.
  • Collaborate with fellow software engineers to create and document optimal technical designs.
  • Ensure team compliance with Agile processes and best practices.
  • Build software solutions where the solution is not clearly defined but always prioritizing customer needs.
  • Resolve obstacles for the development team, working collaboratively with the Product Owner, technical leadership, and other engineers.
  • Ensure all Scrum events take place and are positive, productive, and kept within the timebox.

Basic Qualifications:
  • US citizenship is required per contract.
  • Bachelor's degree in Computer Science, Software Engineering, or related field and 8-12 years of prior relevant experience or Master's with 6-10 years of prior relevant experience.
  • TS/SCI clearance and ability to obtain a Polygraph.
  • Experience working as a Scrum Master for a software development or similar technical team.
  • Strong proficiency with the following technologies:
    • Web: Django, JQuery, Ajax, and REST APIs
    • Object-oriented Programming: Python, Java, and JavaScript
    • Relational Database: SQL/Postgres
    • Operating System: Windows, Linux
    • Version Control System: Git, GitLab
  • Experience incorporating GEOINT domain understanding when troubleshooting, optimizing, and validating system behavior and data outputs across environments.
  • Deep understanding of modern software design patterns and coding standards.
  • Experience architecting, developing, and delivering complex software systems into production.
  • Working knowledge of Agile development and continuous integration/continuous delivery methodologies and tools.
  • Strong, self-motivated desire to learn new programming languages, tools, frameworks, and techniques.

Preferred Qualifications:
  • Experience with scripting languages such as REACT.
  • Software Architectures: Client-Server, Model-View-Controller.
  • Cloud Exposure:
    • Multi-cloud architectures: AWS, IBM, Google, Azure, and Oracle.
    • Specific AWS Services: S3, SQS, SNS, EC2, CloudFormation and RDS.
    • Certifications such as AWS DevOps Engineer or similar.

#Chinook
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:
June 9, 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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About Leidos

Sourced by ZipRecruiter

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.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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