Staff Software Developer (TS/SCI)

Vantor is currently seeking a Staff Software Developer to join our growing team. 

What does the job look like: 

• Lead and contribute to software development efforts supporting mission-critical systems, with emphasis on scalable, high-performance APIs and microservices 

• Design, develop, and maintain RESTful services using Java and Spring Boot within a distributed architecture 

• Work with open-source tools and technologies supporting big data, geospatial imagery, and remote sensing applications 

• Collaborate within a cross-functional Agile team leveraging modern development practices, CI/CD pipelines, and DevOps principles 

• Drive containerization and orchestration efforts using Docker, Kubernetes, OpenShift, and Rancher 

• Support infrastructure and deployment automation using tools such as Jenkins, Helm, and scripting (Bash/Shell/Python) 

• Integrate and maintain third-party tools such as Keycloak, OpenSearch, Fluent Bit, and Cesium 

• Contribute to system architecture decisions, performance tuning, and backend optimization 

• Work with data platforms including PostgreSQL and OpenSearch/Elasticsearch 

• Support testing automation, including integration and system-level validation 

• Engage with stakeholders as needed to support demos, troubleshooting, and mission objectives 

• Operate independently to solve complex technical challenges and document solutions clearly 

Minimum Requirements: 

• Must be a US Citizen with a current/active TS/SCI clearance and willingness to obtain a CI polygraph 

• Bachelor’s degree in Computer Science, Software Engineering, Information Systems, or related field (or equivalent experience) 

• 5+ years of professional software development experience, with strong backend focus 

• Experience developing software using Java, Python, JavaScript, or similar languages 

• Strong experience building and maintaining REST APIs using Java and Spring Boot 

• Experience with containerization and orchestration technologies (Docker, Kubernetes, Rancher, OpenShift) 

• Experience with DevOps tools such as Jenkins, Git, Bitbucket, Gradle, and Helm 

• Familiarity with Linux-based environments and scripting (Bash/Shell) 

• Experience integrating or working with third-party tools such as Keycloak, Kibana, Fluent Bit, or similar 

• Must be willing and able to work onsite in Herndon, VA 

Preferred Qualifications: 

• Experience with Atlassian tools (JIRA, Confluence, Bitbucket) 

• Full stack experience with modern JavaScript frameworks such as React or Vue.js 

• Experience with databases and data management (PostgreSQL, MongoDB, ORM frameworks) 

• Experience with OpenSearch or Elasticsearch for large-scale data indexing and search