Senior Software Engineer - Java/C++ & Cryptography

Quevera; Maryland; On-site; USD 160,000 - 230,000; Full time

Benefits offered by this job

Top Workplace award 2025

100% employer‑paid medical coverage

Education and training stipend

401(k) with employer match

Disability and life insurance

Job summary

Quevera, located in Annapolis Junction, MD, seeks a Senior Software Engineer with Java/C++ and cryptography expertise to support mission-critical DoD programs. Active TS/SCI clearance with Polygraph is required; U.S. citizenship is mandatory.

The role focuses on productizing a secure software suite and integrating key management across diverse environments. The candidate will lead encryption library enhancements, migrate code across environments, and collaborate with cross-functional teams to

Qualifications

• Active TS/SCI clearance with Polygraph is required.
• US citizenship required.
• 12+ years of software engineering experience.
• Bachelors or 8+ years of related experience in lieu of degree accepted.
• 8+ years Java development on Linux/Windows.
• Experience with C/C++.
• 5+ years cryptography with focus on key management.
• Proficiency in Python, Go, or Rust.

Responsibilities

• Productize mission-focused software suite for DoD environments.
• Remove dependencies and abstract environment-specific configurations.
• Develop interfaces for authorization workflows and key management across customer environments.
• Support development across clients, Portal, Proxy services, and OpenBao-based key management services.
• Lead changes to Encryption Libraries and Key Management Services.
• Migrate code from Low to High environments.
• Apply best practices for solution designs and project delivery.
• Collaborate with teams via planning, testing, and defect resolution.
• Manage day-to-day project activities and status communications.

Skills

Java development

C/C++

Cryptography

Python/Go/Rust

Communication

Education

Bachelor's degree in CS or related field

Tools

Docker

Kubernetes

Job description

Job 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.

Job Responsibilities

• 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.

Minimum Requirements

• 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.

Why Join Quevera?

Award‑Winning Culture

Quevera was recognized as a Top Workplace in the Washington, DC/Baltimore region for 2025, marking our fifth consecutive year receiving this distinction based on employee feedback.

Outstanding Benefits

We invest in our employees and their families through a highly competitive benefits package, including:

• 100% employer‑paid medical coverage (optional plan)
• Competitive options for Medical, Dental and Vision insurance
• Employer‑paid short‑term and long‑term disability coverage
• Employer‑paid life insurance
• $5,000 annually for education, training, certifications, and professional development
• Career advancement through our structured iQTouch Program
• Up to 6% 401(k) match
• Additional 4% profit‑sharing contribution, at company discretion

At Quevera, we believe exceptional people deserve exceptional opportunities. We're more than just a workplace—we're a team of innovators, problem‑solvers, and industry experts committed to delivering mission‑critical solutions while fostering professional growth, collaboration, and technical excellence.

Quevera is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected veteran status, age, or any other characteristic protected by law.