Senior Qt Software Engineer

The Transportation Solution Division is seeking a Senior Qt Software Developer who will be a member of a dynamic team working on Investment Research and Development (IRAD) projects in support of the Brand-New Air Traffic Control System.

Primary Responsibility:

• Responsible for software development activities both individually and as a member of an Agile team
• Actively participate in daily stand-ups, Sprint Planning, Release Planning, and other related team activities
• Analyze and study complex system requirements, use design software tools, provide support using formal specifications, data flow diagrams, and other accepted design techniques and use sound software engineering principles to ensure that developed code is modifiable, efficient, reliable, understandable, fault tolerant, and reusable
• Provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers.
• Engineer, author, tune and document automation scripts in a development environment and deploy to the test/production bench
• Lead SW development activities and mentor teammates on product team to ensure success

Knowledge / Experience Requirements:

• Bachelor's degree in Computer Science or related field and at least 5 years of direct SW development experience in Qt
• Qt Framework: Extensive experience with various Qt modules, including Qt Widgets for desktop apps and potentially Qt Quick/QML for modern UIs.
• Expertise with programming languages: Qt, C++
• Familiarity with GUI Design, Event Driven programming and Cross-Platform Development
• Experience or familiarity with multiple Java frameworks: Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX
• Experience or familiarity with multiple of the following languages such as Java, Javascript, Python, C/C++ and Structured Query Language (SQL)
• Experience with databases such as Oracle, PostgreSQL, MongoDB, SQL Server
• Experience with Web Application User Interface Development, knowledge of databases and structures, Spring Framework, and/or experience working with ReactJS, JSON, HTML, XML, XSLT
• Experience with software source control and configuration management tools
• Strong understanding of sound software development principles and practices
• Ability to plan and prioritize personal tasking and be able to communicate effectively verbally and in writing
• Independent thinker, capable of performing high quality work, both independently and with a team in a fast-moving environment

At Leidos, we don't want someone who "fits the mold"-we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, "what's next?" before the dust settles on "what's now."

If you're already scheming step 20 while everyone else is still debating step 2... good. You'll fit right in.

Original Posting:
October 28, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:
Pay Range $104,650.00 - $189,175.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.