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# Senior Software Engineer (Hybrid)

- **Company:** Vantor Inc.
- **Location:** Washington, DC, United States
- **Experience:** Expert
- **Salary:** $140,000.0 - $187,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Agile Methodology, Amazon Web Services, Systems Engineering, Automation of Tests, Microsoft Azure, Cloud Computing, Continuous Integration, Database Development, Distributed Systems, Django Web Framework, Design of User Interfaces, NoSQL, Secure Coding, Software Engineering, Systems Integration, Web Services, Google Cloud, Enterprise Software Applications, Flask (Web Framework), Spring-boot, Software Application Programming, Backend, Git, Fastapi, Event Driven Architecture, Containerization, Kubernetes, Information Technology, Api Gateway, Restful APIs, Software Version Control, Data Pipelines, Devsecops, Docker, Microservices
- **Published:** September 30, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9184546/senior-software-engineer-hybrid

## About the Role

This position requires an active U.S. Government Security Clearance at the TS/SCI level with a CI polygraph., * Must be a U.S. Citizen with an active TS/SCI clearance with CI poly.

 * 2-5 years of experience.
 * Bachelor's degree in Computer Science, Software Engineering, or related technical discipline.
 * Experience developing applications using Java and Python.
 * Experience building RESTful APIs, web services, and backend integrations.
 * Familiarity with relational and NoSQL databases and SQL development.
 * Experience with Git, version control systems, and Agile software development methodologies.

Preferred Qualifications:

 * Experience with Spring Boot, Flask, FastAPI, Django, or similar frameworks.
 * Familiarity with Kubernetes, Docker, and cloud platforms such as AWS, Google Cloud, or Azure.
 * Experience supporting DevSecOps and CI/CD pipeline implementation.
 * Knowledge of microservices architecture, event-driven systems, and API gateway technologies.
 * Security+ certification or familiarity with secure coding and RMF principles.
 * Experience supporting DoD, Intelligence Community, or other federal government programs.

Pay Transparency: To support pay transparency, Vantor includes salary ranges in all U.S. job postings. Starting pay for this role will fall within the listed range and will be based on factors such as experience, qualifications, skills, location, and market conditions. Candidates who meet the minimum requirements for the role should not expect to receive compensation at the top of the range. The listed range reflects the expected pay for this position, and final offers will be determined based on each candidate's experience, expertise, and alignment with the role.

## Description

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