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Contract Knowledge Graph Software Engineer Jobs in Frederick, MD

Leidos

Senior Software Engineer

Rockville, MD · On-site

$131K - $237K/yr

... graph analytics, explainable AI, and operational analytics. * Contribute to the integration of ... knowledge, skills, and abilities, as well as internal equity, alignment with market data ...

Leidos

Senior Software Engineer

Rockville, MD · Hybrid

$131K - $237K/yr

... graph analytics, explainable AI, and operational analytics. * Contribute to the integration of ... knowledge, skills, and abilities, as well as internal equity, alignment with market data ...

M&J Engineering

Software Engineer

Rockville, MD · On-site

... knowledge of HTML Employ software engineering techniques and languages including C, C++, Java, JavaScript, PERL, Object-Oriented design, assembly language, proprietary compiler syntax, relational ...

Leidos

Software Engineer

Rockville, MD · On-site

$87K - $157K/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 ...

M&J Engineering

Software Engineer

Rockville, MD · On-site

... knowledge of HTML • Employ software engineering techniques and languages including C, C++, Java, JavaScript, PERL, Object-Oriented design, assembly language, proprietary compiler syntax, relational ...

M&J Engineering

Software Engineer

Rockville, MD · On-site

... knowledge of HTML • Employ software engineering techniques and languages including C, C++, Java, JavaScript, PERL, Object-Oriented design, assembly language, proprietary compiler syntax, relational ...

Axle

Data Science Fellow - AI/NLP

Rockville, MD · On-site

With experts in biomedical science, software engineering, and program management, we focus on ... Experience with knowledge graphs, ontologies, graph databases, graph algorithms, or semantic data ...

Leidos

Software Engineer

Gaithersburg, MD · On-site

$87K - $157K/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

Senior Software Engineer

Gaithersburg, MD

$107K - $195K/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

$107K - $195K/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 ...

FINRA

Senior Software Engineer

Rockville, MD

$97K - $176K/yr

Under minimal supervision, the Senior Software Engineer assists in developing software products and ... graph databases, with expertise in data modeling approaches and design patterns for diverse data ...

Kepora

Software Engineer

Potomac, MD · On-site

The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g ... N Mandatory Skills: 1. Twelve (12) years experience as a SWE in programs and contracts of similar ...

Kepora

Software Engineer

Potomac, MD · On-site

The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g ... N Mandatory Skills: 1. Twelve (12) years' experience as a SWE in programs and contracts of similar ...

Leonardo DRS

Senior Software Engineer

Germantown, MD · On-site

$107K - $144K/yr

Be a team player and provide technical knowledge and assistance to other engineers and support ... Federal contract labor categories and contract wage rates, collective bargaining agreements ...

Leonardo DRS

Senior Software Engineer

Germantown, MD

$107K - $144K/yr

Be a team player and provide technical knowledge and assistance to other engineers and support ... Federal contract labor categories and contract wage rates, collective bargaining agreements ...

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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

Rockville, MD • On-site

$131K - $237K/yr

Full-time

Re-posted 10 days ago

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

Are you ready to thrive? Through training, teamwork, and exposure to challenging technical work, let Leidos show how to accelerate your career path.
Join Leidos' all-star team supporting the Defense Intelligence Agency's Enterprise Digital Modernization Accelerator initiative. This program is at the forefront of deploying enterprise-scale AI, data, and mission platform capabilities across cloud, edge, and classified environments. We are looking for creative, driven, and mission-focused professionals ready to take their career to the next level.
As a Senior Software Engineer, you will:
  • Support the development of distributed backend services, APIs, and platform microservices supporting enterprise AI operations.
  • Collaborate with multidisciplinary teams of analysts, engineers, and developers to solve complex challenges and deliver innovative, production-ready algorithms and platforms.
  • Apply cutting-edge techniques in statistical analysis, predictive analytics, entity resolution, graph analytics, explainable AI, and operational analytics.
  • Contribute to the integration of software development, AI, DevSecOps, data engineering, platform engineering, cybersecurity, and observability in a fast-paced, engineering-centric environment.
  • Enjoy flexible work arrangements, including remote and on-site work in the National Capital Region (Rockville, MD and/or Alexandria, VA).

What You Bring:
  • Bachelor's, Master's, or equivalent graduate degree in a quantitative or analytical field (Software Development, Computer Science, Mathematics, Statistics, Engineering, Physics, Computational Social Science, etc.). Additiona/Relevant experience may be substituted for a degree.
  • 12+ years of experience in software engineering, data science, analytics, or quantitative intelligence analysis, developing analytics and AI/ML solutions and demonstrating progressive technical development and outcomes. (4+ years with a Master's).
  • Active Top Secret clearance and eligibility for TS/SCI with Polygraph.
  • Demonstrated experience collaborating with hybrid teams to research, build, and deploy complex, user-friendly analytical platforms.
  • Track record of creative problem solving, active learning, and mission-focused outcomes.
  • Ability to analyze and assess software development or data acquisition requirements and determine optimum, cost-effective solutions.
  • Experience with the following:
    • Backend microservices
    • Distributed systems
    • API development
    • Event-driven architectures
    • Kubernetes-native application development
    • Cloud-native engineering

  • Preferred Languages
    • Rust
    • Go
    • Python
    • TypeScript
    • Django

Preferred Qualifications:
  • Experience supporting military or intelligence community customers.
  • Familiarity with Azure/C2S, hardware platforms (CPUs, GPUs, FPGAs), and advanced analytical methodologies (social network analysis, supply chain analysis, NLP, classification algorithms, image processing).
  • Familiarity using git, svn, JIRA, or other version control technologies
  • Familiarity with the following technologies
    • NATS
    • Kafka
    • Redis
    • ClickHouse
    • OpenTelemetry
    • OpenRouter
    • LiteLLM

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 25, 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 $131,300.00 - $237,350.00
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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