Graph Database Engineer (2026-0080)

acclaimtechnicalservices; Chantilly (VA); On-site; USD 120,000 - 180,000; Full time

Job summary

Acclaim Technical Services in Chantilly, VA is seeking an experienced Systems Software Engineer to design, develop and maintain essential software systems. The role emphasizes graph databases like JanusGraph, ElasticSearch, and data modeling for robust solutions.

The candidate will have a BS in Computer Science / Electrical or Computer Engineering and 5+ years of systems software development experience, with strong NodeJS skills and Linux environment expertise, on-site in Chantilly, supporting

Qualifications

• Bachelor’s Degree in Computer Science, Electrical or Computer Engineering or related technical discipline.
• 5+ years of related software development experience.

Responsibilities

• Design, develop, test, and deploy scalable and efficient software solutions
• Collaborate with cross-functional teams to identify and prioritize project requirements
• Participate with code reviews and ensure high-quality, modular, and reusable code
• Troubleshoot and debug issues in the application, including performance optimization and error handling
• Stay up-to-date with industry trends and emerging technologies, applying this knowledge to improve our application
• Design and implement data models that meet the needs of the application, ensuring data consistency and integrity

Skills

NodeJS

Graph databases (JanusGraph)

Software design patterns

Linux development

Git workflows

TS/SCI with Polygraph

Education

Bachelor's Degree in Computer Science / Electrical / Computer Engineering

Tools

ElasticSearch

MongoDB

Cassandra

Kubernetes

Jenkins/Argo CD

Job description

JOB DESCRIPTION

We are looking for an experienced Systems Software Engineer to join our team, interested in designing, developing and maintaining essential software systems. The optimal candidate will have demonstrated experience integrating solutions with graph databases, such as JanusGraph. They will also have a strong background in systems software development, experience with 3rd party system integration, expertise in ElasticSearch, and a solid understanding of data modeling concepts. This is a fantastic opportunity to work on a challenging project that requires innovative solutions and collaborative problem-solving.

KEY RESPONSIBILITIES

• Design, develop, test, and deploy scalable and efficient software solutions
• Collaborate with cross-functional teams to identify and prioritize project requirements
• Participate with code reviews and ensure high-quality, modular, and reusable code
• Troubleshoot and debug issues in the application, including performance optimization and error handling
• Stay up-to-date with industry trends and emerging technologies, applying this knowledge to improve our application
• Design and implement data models that meet the needs of the application, ensuring data consistency and integrity

EDUCATION AND EXPERIENCE

• Bachelor’s Degree in Computer Science, Electrical or Computer Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience.
• 5+ years of related software development experience.

REQUIRED QUALIFICATIONS

• 5+ years of experience in systems software development in NodeJS
• Strong proficiency working with graph databases (for example JanusGraph) and graph query languages
• Strong understanding of software design patterns, principles and best practices
• Excellent problem-solving skills, with the ability to work effectively in a team environment
• Basic understanding of data modeling concepts, including entity-relationship, data normalization, and denormalization
• Experience with Git workflows, including feature branching, pull requests and code reviews
• Ability to work effectively in a Linux-based development environment
• TS/SCI with Polygraph

DESIRED QUALIFICATIONS

• Experience with Node.js, Express, MongoDB and Cassandra
• In-depth knowledge of ElasticSearch, including indexing, querying and aggregation
• Knowledge of containerization leveraging Kubernetes
• Familiarity with CI/CD pipelines and automation tools such as Jenkins or Argo CD
• Hands-on experience working with message brokers such as RabbitMQ or AWS SQS

EQUAL EMPLOYMENT OPPORTUNITY (EEO) STATEMENT

ATS is committed to a program of equal employment opportunity without regard to race, color, ethnicity, national origin, ancestry, citizenship, sex, pregnancy, marital status, sexual orientation, age, religion/creed, hairstyles and hair textures, handicap/disability, genetic information/history, military/veteran status, or any other characteristic or condition protected by applicable law. We support the employment and advancement in employment of individuals with disabilities and of protected veterans, and we treat qualified individuals without discrimination on the basis of their physical or mental disability or veteran status.