Senior Software Development Engineer
San Diego, CA
Category: Development
Industry: Government
Reference ID: JN -032026-105890
Date Posted: 03/10/2026
Shortcut: http://careers.eliassen.com/d8p2z6
Description:
Hybrid 2-3 days onsite in San Diego, CA
Our client seeks a Senior Software Development Engineer to design, develop, test, and integrate cross‑platform applications in a secure Agile environment. The role focuses on C++ and Qt/QML on Linux with SQLite, UI development for embedded and mobile contexts, and integration across C++, C, and Python modules. The engineer will contribute across the software development life cycle, apply secure coding and TDD practices, and collaborate with a multi‑disciplinary team to deliver maintainable, reliable, and performant software. Work will include configuration management, CI, and adherence to compliance and STIG standards on government programs.
Due to federal security clearance requirements, applicant must be a United States Citizen with an active Secret clearance. Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.
Rate: $80.00 to $90.00/hr. w2
Responsibilities:
- Design, develop, test, troubleshoot, and debug software for enhancements and new software‑intensive systems and products.
- Analyze software requirements and hardware compatibility across Linux and Android platforms.
- Build cross‑platform UI components using Qt/QML and Android frameworks for embedded and mobile devices.
- Develop and integrate modules and libraries in C++, C, and Python with SQLite for data persistence.
- Apply secure software development principles with CI, test automation, and refactoring to improve code quality and reuse.
- Employ object‑oriented and functional programming practices to deliver maintainable, reliable, and efficient software.
- Support configuration management and interface requirements with APIs and host systems, including virtualized and containerized environments.
- Collaborate within an Agile Scrum team and help adopt Test Driven Development practices.
- Communicate design approaches and influence solution decisions across internal and external stakeholders.
- Develop solutions to complex technical issues impacting multiple areas or disciplines.
Experience Requirements:
- Active Secret DoD security clearance.
- 10+ years of software development experience with strong C++ expertise.
- 8+ years developing on Linux/Unix operating systems.
- Mandatory experience with C++ and Qt/QML (Qt Creator).
- Experience building large‑scale applications with solid C++ fundamentals, including smart and unique pointers.
- UI development on Linux and proven cross‑platform UI design for embedded or mobile devices.
- Backend experience with SQLite.
- Experience with CMake and Bash scripting.
- Experience structuring software to separate presentation, business logic, and persistence layers.
- Agile development experience, including secure Agile lifecycles and familiarity with 4‑week sprints.
- Prior government project experience.
- Familiarity with STIG compliance.
- Experience handling classified data (preferred).
- Secure Key Loader/Logger (SKL) experience (preferred).
- General encryption experience (preferred).
- Mobile or Android development experience (preferred).
- Python experience (preferred).
- Java experience (preferred).
- Experience with Scrum methodology or other Agile practices (preferred).
- Experience with configuration management tools such as Subversion, Git, GitLab, or GitHub (preferred).
- Experience with UI/UX frameworks such as AngularJS, Ionic, GWT, SmartGWT, React, Node.js, or Catch2 for testing (preferred).
- Experience with Agile management tools such as VersionOne, JIRA, or Rally (preferred).
- Experience with automated testing tools and concepts such as Squish for Qt, TDD, Selenium, Cucumber, Gherkin, or BDD (preferred).
- Experience with formalized API development methodologies such as OpenAPI 3.0 (preferred).
- Experience with Docker (preferred).
Education Requirements:
- BS in Computer Science or equivalent.
- MS or Doctorate in a technical domain may be considered.
- Active Secret Clearance.
W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
Please be advised- If anyone reaches out to you about an open position connected with Eliassen Group, please confirm that they have an Eliassen.com email address and never provide personal or financial information to anyone who is not clearly associated with Eliassen Group. If you have any indication of fraudulent activity, please contact InfoSec@eliassen.com.
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Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.
Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group
If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contactInfoSec@eliassen.com.
Please ensure that you are working directly with us by confirming the following:
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- Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group, as indicated above