Senior Software Engineer
About this role
Senior Software Engineer
The Mission:
Do you want to build software that solves the world's most complex national security problems? At STR, we don’t just write code; we bridge the gap between cutting-edge research and real-world mission success. You will join a multidisciplinary powerhouse of software engineers, physicists, mathematicians, and data scientists dedicated to taking innovative ideas from a whiteboard concept to a mature, deployed implementation.
The Technical Frontier As part of the Knowledge Exploitation & Decisions Systems Group, you will work at the intersection of AI and human decision-making. Our portfolio is diverse and high-impact, including Command & Control (C2) via intuitive human-machine interfaces that help operators make the best possible decisions in high-pressure environments, Trusted AI & Autonomy via simulation platforms to test AI autonomy and evaluating the reliability and responsibility of autonomous systems, and Advanced Reasoning via graph-based reasoning and evolutionary algorithms for resilient workflow optimization, and enhancing language models to assess the feasibility of scientific claims.
What You’ll Do:
- Build & Scale: Design and implement flexible microservices and high-performance APIs within a robust DevSecOps ecosystem.
- Drive Deployment: Take technical ownership of features within a mature mission planning solution, guiding them through the critical transition from R&D into an active user community.
- Collaborate: Work closely with PhD scientists and engineers to translate complex mathematical models and research into production-grade, scalable software.
- Own Your Growth: Beyond your initial project, your trajectory will be driven by the intersection of your interests and our evolving R&D portfolio.
Who You Are:
- Education: BS or MS in Computer Science or a related technical field.
- Experience: 5+ (BS) or 1-2+ (MS) years of professional experience building maintainable, well-documented APIs and software
- Technical Depth: Proven proficiency in Java and the Spring ecosystem, with a strong grasp of object-oriented design patterns and a track record of building maintainable, well-documented software.
- Independence: You are an autonomous contributor who can take a high-level requirement and turn it into a working technical implementation with minimal supervision.
- Mindset: You are a "trailblazer"—someone who is comfortable with ambiguity and loves learning new libraries and languages on the fly.
Our Tech Stack:
- Primary: Java 17+, Spring Boot
- Infrastructure: Linux, Docker, Kubernetes, Kafka/NATS, GitLab
- Secondary: Python (for AI/Data integration)
Logistics
- Location:
- Hybrid at one of STR’s offices in Woburn, MA, Arlington, VA, Carlsbad, CA or Aurora, CO
- Travel: Periodic travel (up to 20%).
- Clearance:. Citizenship required with the ability to obtain a Top Secret clearance.
Pay Information
Full-Time Salary Range: $140,000.00 to $170,000.00
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 www.str.us 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 appassist@str.us 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.
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