Senior Software Engineer

LeoLabs, Inc.•Chantilly, VA

4d•$185,900•Remote

About The Position

LeoLabs is seeking a highly experienced and technically driven Senior Software Engineer to join our cross-functional Cloud Software team. In this role, you will contribute to a collaborative, high-impact group of engineers building the software that powers real-time decisions for protecting and managing satellites and other objects in low-earth orbit. As a Senior Software Engineer on our team, you will design and deliver mission-critical software and be a key contributor in ensuring that our system meets our customers’ needs. You will develop software for multiple systems, helping the team to deliver reliable, secure, and high-performance solutions. The Cloud Software team has responsibility for a wide variety of technical domains, including software for maintaining orbits and tracking custody on every object in Low-Earth Orbit, providing high-level insights and analytics for our customers, leveraging large volume data pipelines for custom AI/ML model training, orchestrating and scheduling tasking for our global radar network, and exposing UIs and APIs with strict uptime SLAs for data delivery and visualization. We partner closely with radar and product teams to build cohesive, powerful platform capabilities.

Requirements

Active US TS/SCI clearance and experience delivering on mission for DOD/IC customers
B.S. in Computer Science, Software Engineering, or equivalent experience
5+ years of professional software engineering experience, with significant time building cloud-based systems at scale
Demonstrated experience building, deploying, and operating distributed backend services
Experience and enthusiasm with using generative AI for software development
Proficiency in Python, Go, or a similar language
Understanding of architecture patterns, service boundaries, message-driven workflows, and API design
Experience with cloud environments (AWS/GCP/Azure) and containerized deployments
Expertise with relational databases (Postgres/MySQL) and message brokers (Kafka, SQS, or similar)
Experience with observability and CI/CD practices
Strong communication skills, with the ability to work with stakeholders across teams
Willingness to participate in on-call rotations for critical systems

Nice To Haves

Experience building production frontend applications with TypeScript, JavaScript, or comparable modern web technologies
Experience deploying into US federal systems
Experience with Kubernetes in cloud environments
Background in Math/Physics, AI/ML, or Orbital Mechanics
Experience operating in a high-availability or mission-critical environment

Responsibilities

Leverage LeoLabs’ leading dual-use systems to support critical space missions.
Develop full-stack software for key software initiatives, particularly for DOD/IC contracts
Participate in stakeholder discussions and translate customer needs into engineering requirements
Ensure reliability, observability, security, and performance across production systems
Own critical portions of our systems through the full development lifecycle, including operation, monitoring, and on-call support
Make use of generative AI to raise the bar on the quality and security of our software