Senior Software Engineer

As a Senior Software Engineer, you will work as part of a tightly knit team to design, develop, implement, integrate, test, and demonstrate advanced algorithms and software systems for autonomous platforms. You will provide technical leadership and mentoring on programs working throughout the software and system development lifecycle, from early prototypes to integrated systems. Your work will develop a diverse set of software tools and applications for mission planning systems, automated control processes, unmanned platforms, DevSecOps, and CI/CD pipelines. This position is based in Woburn, MA, Arlington, VA, or Dayton, OH, and will take advantage of STR’s flexible, hybrid environment – when the work does not require use of STR’s facilities, you are welcome to work remotely. Who You Are: Ability to obtain a security clearance for which U.S. Citizenship is needed by the U.S government BS in Computer Science or related technical field with minimum of 5+ years’ relevant experience (or equivalent experience) 3+ years experience with Python for technical, object-oriented, software development Proven understanding of data structures, algorithms, concurrency, and code optimization Experience with Docker/Podman containerized development Experience with software-in-the-loop simulation testing Proven ability to lead and manage moderate size engineering teams (2-4 engineers) Demonstrated ability to assess algorithm performance under testing using statistical methods and analysis Comfortable working both with internal leadership and external customers in the development and execution of software product plans A demonstrated ability to adopt new languages, libraries, and technologies Proven ability to develop, implement, integrate, and test autonomy algorithms and software Even Better: Active security clearance MS or PhD in Computer Science or related technical field Experience with the following: Assignment algorithms, resource management/optimization, auction algorithms C++ Control theory and algorithms RF technology (radar, EW, communications) fundamentals Reinforcement learning Agentic AI TCPED Management for Tactical ISR Experience programming for embedded and physical devices Multi-agent coordination of UxVs MAVLINK or other C2 protocols Unreal Engine modeling ROS TAK DevSecOps and CI/CD tool chains Integration of complex software systems Constraint satisfaction algorithms Knowledge representation/ontologies Pay Information Full-Time Salary Range: $134,000 - $184,000 The salary range listed is based on external market data. Offers are based on factors, such as but not limited to, the candidate’s experience, education, training, key skills/critical skills, security clearances, and prevailing market and business conditions. STR is a growing technology company with locations near Boston, MA, Arlington, VA, near Dayton, OH, Melbourne, FL, and Carlsbad, CA. We specialize in advanced research and development for defense, intelligence, and national security in: cyber; next generation sensors, radar, sonar, communications, and electronic warfare; and artificial intelligence algorithms and analytics to make sense of the complexity that is exploding around us. STR is committed to creating a collaborative learning environment that supports deep technical understanding and recognizes the contributions and achievements of all team members. Our work is challenging, and we go home at night knowing that we pushed the envelope of technology and made the world safer. STR is not just any company. Our people, culture, and attitude along with their unique set of skills, experiences, and perspectives put us on a trajectory to change the world. We can't do it alone, though - we need fellow trailblazers. If you are one, join our team and help to keep our society safe! Visit us at for more info. STR is an equal opportunity employer. We are fully dedicated to hiring the most qualified candidate regardless of race, color, religion, sex (including gender identity, sexual orientation and pregnancy), marital status, national origin, age, veteran status, disability, genetic information or any other characteristic protected by federal, state or local laws. If you need a reasonable accommodation for any portion of the employment process, email us at View email address on click.appcast.io and provide your contact info. Pursuant to applicable federal law and regulations, positions at STR require employees to obtain national security clearances and satisfy the requirements for compliance with export control and other applicable laws.