Senior Software Engineer II

Please Note: To conform with the United States Government Space Technology Export Regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., conditional resident, asylee or refugee (protected individuals as defined by 8 U.S.C. 1324b(a)(3)), or eligible to obtain the required authorizations from the U.S. Department of State.

At CesiumAstro, we are developers and pioneers of out-of-the-box communication systems for satellites, UAVs, launch vehicles, and other space and airborne platforms. We take pride in our dynamic and cross-functional work environment, which allows us to learn, develop, and engage across our organization. If you are looking for hands-on, interactive, and autonomous work, CesiumAstro is the place for you. We are actively seeking passionate, collaborative, energetic, and forward-thinking individuals to join our team.

We are looking for a Senior Software Engineer II to design and build orchestration systems that enable CesiumAstro’s advanced machine learning pipelines. In this role, you will collaborate with machine learning, product, and frontend teams to create reliable, scalable, and maintainable backend services that support mission-critical aerospace and defense applications.

JOB DUTIES AND RESPONSIBILITIES:
• Design, develop, and maintain orchestration pipelines supporting machine learning workflows.
• Improve observability and monitoring of ML pipelines to ensure health and reliability.
• Build tooling to validate and verify pipeline outputs.
• Contribute to the next generation of distributed orchestration systems.
• Manage project priorities, deadlines, and deliverables in coordination with product stakeholders.
• Provide technical guidance to teammates on backend best practices and system reliability.
• Document workflows, architecture, and operational procedures.

JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS:
• Bachelor’s or higher degree in Computer Science, Engineering, or related technical field.
• 6+ years of professional experience developing backend systems in small to medium-sized organizations (additional years expected for larger organizations).
• Strong proficiency in Python with hands-on experience developing backend systems.
• Experience with databases such as PostgreSQL and Redis.
• Familiarity with distributed systems design and implementation.
• Strong communication skills with the ability to work in a collaborative engineering environment.

PREFERRED EXPERIENCE:
• Experience supporting machine learning or ETL pipelines.
• Familiarity with containerized/cloud-native environments (Docker, Kubernetes).
• Experience with automated testing frameworks for backend or ML pipelines.
• Exposure to aerospace, defense, or mission-critical environments.
• Demonstrated ability to mentor and collaborate with cross-functional teams.

CesiumAstro considers several factors when extending an offer, including but not limited to, the role and associated responsibilities, a candidate’s work experience, education/training, and key skills. Full-time employment offers include company stock options and a generous benefits package including health, dental, vision, HSA, FSA, life, disability and retirement plans.

CesiumAstro is an Equal Opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran Status, or any other characteristic protected by applicable federal, state, or local law.

Please note: CesiumAstro does not accept unsolicited resumes from contract agencies or search firms. Any unsolicited resumes submitted to our website or to CesiumAstro team members will be considered property of CesiumAstro, and we will not be obligated to pay any referral fees.