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STR

Defense, intelligence, homeland security R&D contractor

Lead Software Engineer

Backend EngineeringConfirmed live in the last 24 hours
Full-timeArlington County, Arlington, VA, USA$180k - $220k

About the Job

Requirements

  • Strong proficiency in Python and demonstrated ability to generate clean, high-quality code with and without coding tools.
  • Familiarity with software development best practices, including version control with Git, testing at scale with continuous integration and continuous delivery, and agentic coding best practices.
  • A Bachelor of Science degree in a scientific field such as Computer Science, Mathematics, Statistics, Data Science, or Physics, with 8+ years of relevant experience; equivalent experience will be considered.
  • Ability to obtain a security clearance; U.S. citizenship is required by the U.S. government.

Responsibilities

  • Operationalize advanced algorithms across a broad range of computer vision programs by integrating Python-based machine learning pipelines with complex systems and ensuring they are resilient, maintainable, and user-focused.
  • Translate stakeholder requirements into system features and components in a deployable artificial intelligence and machine learning solutions stack.
  • Develop new user-facing features and implement robust backend architectures to support them.
  • Build, maintain, and test messaging systems, such as real-time data workflows and distributed processing pipelines.
  • Optimize software for data ingestion, transformation, and intelligent storage and retrieval pipelines.
  • Maintain and improve workflows for distributed systems, ensuring reliability and performance testing in operational environments.
  • Participate in cross-program collaboration, adapting to diverse projects and tools.

Desired Qualifications

  • Development experience with advanced messaging or real-time processing tools such as RabbitMQ, Kafka, or ZeroMQ.
  • Experience integrating computer vision algorithms and image processing tools such as PyTorch, OpenCV, and FFmpeg.
  • Experience leading and directing research initiatives from inception to functional prototypes.
  • Experience working in a large cross-functional, distributed team.
  • Experience with U.S. Government software accreditation processes.
  • An active security clearance.

About the Company

STR

Defense, intelligence, homeland security R&D contractor

STR is an employee-owned technology firm serving national security agencies with R&D, software development, and integration under large federal contracts. Its three core areas are Analytics & C2, Cybersecurity, and Sensors, delivering AI-driven decision support, digital twins of embedded systems, and software-defined RF/acoustic hardware for multi-domain operations. Notable projects include DARPA's JAWS, AI for swarming drones, and sonar spoofing DSP, showing deep defense-domain focus. Its goal is to provide deployable technologies that enhance joint all-domain operations and situational awareness, while exploring commercial uses like automated medical imaging.

Company size
1,001-5,000
Company stage
N/A
Total funding
$283M
Headquarters
Woburn, MA
Founded
2010

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