Freelance Qt Software Developer Jobs in Texas (NOW HIRING)

Standard Job Description
Join the IMIS team that sustains the F-22 Raptor's operational readiness. IMIS delivers mission-critical hardware and software that automate maintenance, enhance diagnostics, shorten cycle times, and improve aircraft availability. As the technical authority for the IMIS software portfolio, you will shape architecture, guide multidisciplinary teams through the full development lifecycle, and ensure delivery of secure and reliable solutions for one of the world's most advanced fighters.
Technical Leadership & Architecture

• Lead software development activities and serve as the primary technical decision-maker.
• Define and maintain architecture, design patterns, technology roadmaps, and modernization strategies.
• Conduct trade studies and design reviews to ensure solutions are scalable, maintainable, secure, and aligned with program goals.
• Establish engineering best practices, coding standards, and development processes.
• Experience leading software architecture and development for high-availability, safety-critical systems, preferably aerospace or defense

Software Development & System Integration

• Provide hands-on leadership for design, development, integration, and troubleshooting of complex software systems.
• Oversee integration across software, hardware interfaces, databases, and external systems.
• Drive root-cause analysis and resolution of performance, reliability, and maintainability issues.
• Support deployment, configuration management, and software lifecycle sustainment.

UI/UX Design & Human Factors

• Guide development of intuitive, user-centered interfaces for maintenance operations.
• Apply UI/UX, usability, and human-centered design principles to improve operator effectiveness.
• Collaborate with end users, stakeholders, and system engineers to refine workflows and ensure consistency, accessibility, and responsiveness.

Agile Leadership & Engineering Excellence

• Lead Agile teams using Scrum, Kanban, or hybrid methodologies and partner with the IMIS Portfolio Integrator and Release Train Engineer on planning, refinement, estimation, and releases.
• Champion DevSecOps, continuous integration, automated testing, and continuous delivery.
• Establish metrics and processes that improve software quality, development velocity, and predictability.
• Expertise in Agile methodologies, Scrum/Kanban, and large-scale release coordination.

Technical Documentation & Compliance

• Produce and review architecture documents, design descriptions, ICDs, technical specifications, and other engineering artifacts.
• Ensure traceability from requirements through design, implementation, and verification.
• Maintain compliance with organizational, customer, cybersecurity, and quality standards

Mentorship & Team Development

• Mentor engineers at all experience levels and conduct code inspections, design assessments, and technical reviews.
• Foster engineering excellence, innovation, accountability, and continuous improvement.
• Serve as the technical bridge between engineering teams, the Portfolio Integrator, and program leadership.

Proficient in AI prompting as it applies to this position and practice.
Basic Qualifications
• Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, or related technical discipline, or equivalent experience.
• 10+ years of software engineering experience, including experience leading software development teams or serving as a technical lead.
• Strong development experience in C++, Java, JavaScript, SQL, C#, Qt, and shell scripting.
• Experience developing RESTful APIs, web services, and distributed software systems.
• Experience with application containerization technologies such as Docker and Kubernetes and container orchestration concepts.
• Experience developing and maintaining software applications on Red Hat Enterprise Linux (RHEL) and Solaris operating systems.
• Demonstrated experience designing and implementing complex software architectures and distributed systems.
• Experience leading software development efforts through the full software development lifecycle (SDLC).
• Strong understanding of object-oriented design principles, software design patterns, and modern engineering practices.
• Experience with Agile software development methodologies and DevSecOps practices.
• Experience authoring software design documentation, technical specifications, and architecture artifacts.
• Ability to obtain and maintain required security clearance.
Desired Skills
• Experience supporting aerospace, defense, military, or mission-critical operational systems.
• Experience with aircraft maintenance, logistics, sustainment, or ground support systems.
• Expertise in Qt-based application development and UI modernization initiatives.
• Knowledge of human factors engineering, usability testing, and UI/UX design methodologies.
• Experience with software cybersecurity requirements and secure coding practices.
• Familiarity with RMF, STIG compliance, and secure software development within DoD environments.
• Experience with Red Hat OpenShift, Kubernetes, Docker, Podman, or other enterprise container platforms.
• Experience with CI/CD pipelines, automated testing frameworks, and DevSecOps toolchains.
• Strong understanding of database design, performance optimization, and enterprise data management.
• Excellent written and verbal communication skills with the ability to communicate complex technical concepts to both technical and non-technical audiences.
• Proven ability to influence technical direction, drive consensus, and lead cross-functional engineering teams.
• Experience modernizing legacy applications into web-based and containerized solutions.
• Experience designing and developing responsive web applications utilizing modern UI frameworks and web technologies.
• Familiarity with Infrastructure as Code (IaC) tools such as Terraform, Ansible, or CloudFormation.
• Experience implementing zero-trust architectures, cloud security controls, and container security best practices within regulated or DoD environments.
• Experience supporting cloud technologies within RMF-accredited and cybersecurity-compliant environments.
Pay Information
Full-Time Salary Range: $148300.00 - $275500.00
At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow-both professionally and personally.
The salary range for this position is as listed on the requisition. Please note that the salary information listed is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market(work location) and business considerations when extending an offer.
Benefits offered: Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.

• Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.
• For (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.