{"schemaVersion":"jobsearcher.job.v1","id":"fbcababc343199a1a0fccb99","url":"https://jobsearcher.com/jobs/fbcababc343199a1a0fccb99","canonicalUrl":"https://jobsearcher.com/jobs/fbcababc343199a1a0fccb99","title":"Staff Software Engineer - Fullstack","description":"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.\r\nAtCesiumAstro, 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.\r\nWe are seeking aStaff Software Engineerto support several new, space-centric programs across the DoW and IC. We are looking for engineers who thrive in a fast-paced startup environment and enjoy solving hard problems. Our culture is simple: work hard, solve real problems, build things that matter.\r\nJob Duties And ResponsibilitiesBuild modern full-stack applications in support of space mission systems.\r\nIntegrate and modernize legacy space-related ground and flight software.\r\nDevelop distributed applications leveraging microservices, cloud-native architectures, and Distributed Ledger Technology (DLT)/consensus frameworks.\r\nSupport on-orbit and ground system integration & test, including emulation, simulation, and interface validation.\r\nImplement DevSecOps pipelines, automated testing, and secure software practices.\r\nDevelop modern UI/UX interfaces for mission operators and analysts.\r\nWork closely with space system engineers, mission integrators, and operations teams.\r\nContribute to a mission-focused engineering culture where your ideas truly shape the product.\r\nJob Requirements And Minimum QualificationsBachelor’s degree in Software Engineering, Computer Engineering, or relevant field.\r\n8+ years of relevant software engineering experience.\r\nDemonstrated technical leadership across software modernization or distributed systems\r\nExperience architecting microservices, APIs, message buses, and high-availability systems\r\nExpertise integrating and testing software for space-based or ground mission systems\r\nAbility to mentor junior engineers and guide design decisions\r\nExperience with DoD/IC programs, ATO processes, or DevSecOps on classified systems\r\nExperience developing in C++, C#, Rust, Python, or Go.\r\nExperience with SQL/NoSQL database design and integration.\r\nExperience with cloud services (AWS, Azure, or GovCloud variants).\r\nExperience with GitHub, Jira, and Confluence.\r\nU.S. Citizenship is required for this position along with the ability to obtain a Secret security clearance.\r\nAbility to travel up to 10%.\r\nPreferred ExperienceExisting security clearance (TS/SCI preferred).\r\nExperience supporting DoD/IC programs.\r\nExperience building software for spacecraft, OPS software, or flight/ground segment integration.\r\nExperience with high-performance computing, distributed processing, or real-time systems.\r\nExperience with performance tuning and resource-constrained environments.\r\nExperience with DevSecOps, IaC, and automated test frameworks.\r\nFamiliarity with DLT, blockchain, or consensus protocols.\r\nExperience with modern UI/UX frameworks (React, Vue, Svelte, Blazor, etc.).\r\n$158,000 - $189,000 a year\r\nCesiumAstro 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.\r\nCesiumAstro 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.\r\nCesiumAstro 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.\r\nWe may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.#J-18808-Ljbffr","company":"CesiumAstro","rawCompany":"cesiumastro","city":"Denver","state":"CO","isRemote":false,"isActive":true,"createdAt":"2026-11-04T02:30:10.184Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Staff Software Engineer - Fullstack","description":"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.\r\nAtCesiumAstro, 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.\r\nWe are seeking aStaff Software Engineerto support several new, space-centric programs across the DoW and IC. We are looking for engineers who thrive in a fast-paced startup environment and enjoy solving hard problems. Our culture is simple: work hard, solve real problems, build things that matter.\r\nJob Duties And ResponsibilitiesBuild modern full-stack applications in support of space mission systems.\r\nIntegrate and modernize legacy space-related ground and flight software.\r\nDevelop distributed applications leveraging microservices, cloud-native architectures, and Distributed Ledger Technology (DLT)/consensus frameworks.\r\nSupport on-orbit and ground system integration & test, including emulation, simulation, and interface validation.\r\nImplement DevSecOps pipelines, automated testing, and secure software practices.\r\nDevelop modern UI/UX interfaces for mission operators and analysts.\r\nWork closely with space system engineers, mission integrators, and operations teams.\r\nContribute to a mission-focused engineering culture where your ideas truly shape the product.\r\nJob Requirements And Minimum QualificationsBachelor’s degree in Software Engineering, Computer Engineering, or relevant field.\r\n8+ years of relevant software engineering experience.\r\nDemonstrated technical leadership across software modernization or distributed systems\r\nExperience architecting microservices, APIs, message buses, and high-availability systems\r\nExpertise integrating and testing software for space-based or ground mission systems\r\nAbility to mentor junior engineers and guide design decisions\r\nExperience with DoD/IC programs, ATO processes, or DevSecOps on classified systems\r\nExperience developing in C++, C#, Rust, Python, or Go.\r\nExperience with SQL/NoSQL database design and integration.\r\nExperience with cloud services (AWS, Azure, or GovCloud variants).\r\nExperience with GitHub, Jira, and Confluence.\r\nU.S. Citizenship is required for this position along with the ability to obtain a Secret security clearance.\r\nAbility to travel up to 10%.\r\nPreferred ExperienceExisting security clearance (TS/SCI preferred).\r\nExperience supporting DoD/IC programs.\r\nExperience building software for spacecraft, OPS software, or flight/ground segment integration.\r\nExperience with high-performance computing, distributed processing, or real-time systems.\r\nExperience with performance tuning and resource-constrained environments.\r\nExperience with DevSecOps, IaC, and automated test frameworks.\r\nFamiliarity with DLT, blockchain, or consensus protocols.\r\nExperience with modern UI/UX frameworks (React, Vue, Svelte, Blazor, etc.).\r\n$158,000 - $189,000 a year\r\nCesiumAstro 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.\r\nCesiumAstro 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.\r\nCesiumAstro 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.\r\nWe may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.#J-18808-Ljbffr","datePosted":"2026-11-04T02:30:10.184Z","dateModified":"2026-11-04T02:30:10.184Z","hiringOrganization":{"@type":"Organization","name":"CesiumAstro","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Denver","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"fbcababc343199a1a0fccb99"},"url":"https://jobsearcher.com/jobs/fbcababc343199a1a0fccb99"}}