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# Senior Software Engineer - Java/C++ & Cryptography

- **Company:** Quevera LLC
- **Location:** Annapolis Junction, MD, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), JavaScript (Programming Language), Microsoft Windows, Agile Methodology, Software Suite, C++ (Programming Language), Linux, Python (Programming Language), Key Management, Software Engineering, System Testing, Software Security, Information Technology, Restful APIs, Docker, Programming Languages
- **Published:** October 22, 2026
- **Apply:** https://www.thejobnetwork.com/job/89ba418e-822c-4d50-a75a-466039c4ac00/senior-software-engineer-javac-cryptography

## About the Role

* Active TS/SCI clearance with Polygraph required.
 * United States citizenship required.
 * Twelve (12) or more years of working experience.
 * Bachelor's degree in Computer Science or a related field.
 + Eight (8) years of equivalent work experience may be considered in lieu of the degree.
 * Eight (8) or more years of Java development experience on both Linux and Windows platforms.
 * Experience with C or C++.
 * Five (5) or more years of cryptographic experience with a strong understanding of key management.
 * Proficiency in at least one additional high-level programming language, preferably Python, Go, or Rust.
 * Ability to communicate effectively and build rapport with team members and clients.

Desired Skills:

 * Experience supporting Intelligence Community environments as a contractor.
 * JavaScript experience.
 * Eight (8) or more years of experience with modern software development management.
 * Understanding of Agile methodology.
 * Five (5) or more years of experience with REST APIs.
 * Two (2) years of experience with cloud platforms, tools, and administration.
 * Experience with Docker and Kubernetes.
 * Strong analytical, troubleshooting, and performance evaluation skills.
 * Strong communication and collaboration skills with the ability to follow through and work effectively with team members.
 * Ability to work in a matrix environment and partner with virtual teams.
 * Ability to work independently, manage multiple responsibilities, and take ownership of assigned portions of a project or initiative.
 * Ability to work under pressure and manage tight deadlines or unexpected changes in expectations or requirements.

## Description

Quevera is seeking a highly skilled Senior Software Engineer - Java/C++ & Cryptography with an active TS/SCI clearance with Polygraph to support mission-critical programs in Annapolis Junction, Maryland.

In this role, you will support an ongoing software development effort focused on productizing a mission-focused product suite for deployment beyond the current customer environment and across the broader Department of Defense (DoD) community. You will contribute to removing customer-specific dependencies, abstracting environment-specific configurations, and developing interfaces that enable authorization workflows and key management operations across a variety of customer environments.

The effort spans major components of the ecosystem, including clients, Portal, Proxy services, and OpenBao-based key management services, with a focus on Java development, cryptography, key management, and secure software solutions., * Support the productization of a mission-focused software suite for deployment across broader DoD environments.

 * Remove customer-specific dependencies and abstract environment-specific configurations.
 * Develop interfaces that enable authorization workflows and key management operations across a variety of customer environments.
 * Support software development efforts across clients, Portal, Proxy services, and OpenBao-based key management services.
 * Lead changes to build Encryption Libraries and Key Management Services.
 * Support the migration of code from Low to High environments.
 * Establish and apply best practices to support successful implementation of solution designs.
 * Collaborate with project teams through communication, planning documentation, system testing, and defect resolution.
 * Manage day-to-day efforts toward project accomplishments.
 * Participate in project planning and project status communications.