Senior API Engineer (Java/Python) — TS/SCI Clearance

Vantor Holdings, Inc.; Washington (District of Columbia); On-site; USD 137,000 - 182,000; Full time

Benefits offered by this job

401(k) with company match

Mental health resources

Student loan repayment assistance

Adoption reimbursement

Pet insurance

Job summary

Vantor is seeking an API/Java/Python Developer to join its Services team, delivering high-performance API-driven services for U.S. Government customers. The role emphasizes secure, cloud-ready code and a Develop-Low / Deploy-High workflow within cross-domain environments.

Candidates should have Java and Python experience, RESTful API design, and familiarity with CI/CD, containers, and enterprise backend components. U.S. Citizen with TS/SCI clearance required.

Qualifications

• Bachelor’s degree in CS, SE, or related field.
• Experience developing Java and Python apps with RESTful APIs.
• Experience with Git and Agile methodologies.
• Familiarity with SQL and NoSQL databases.

Responsibilities

• Design, develop, and maintain RESTful APIs and microservices.
• Build backend data pipelines and enterprise components.
• Collaborate with engineers, data engineers, and UI/UX developers to deliver end-to-end solutions.
• Develop automated testing, CI/CD pipelines, and deployment processes within Agile environments.
• Troubleshoot defects, performance issues, and integration challenges across distributed systems.
• Support cloud-native deployments, containerization, and secure software development practices.

Education

Bachelor’s degree in Computer Science, Software Engineering, or related technical discipline

Tools

Java

Python

RESTful APIs

Git

Agile

SQL/NoSQL

CI/CD

Docker

Kubernetes

AWS/GCP/Azure

Job description

Vantor is seeking an API/Java/Python Developer to join its Services team, delivering high-performance API-driven services for U.S. Government customers. The role emphasizes secure, cloud-ready code and a Develop-Low / Deploy-High workflow within cross-domain environments.

Candidates should have Java and Python experience, RESTful API design, and familiarity with CI/CD, containers, and enterprise backend components. U.S. Citizen with TS/SCI clearance required.