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Director Software Engineer Startup Jobs in Colorado

CesiumAstro

Senior Flight Software Engineer

Westminster, CO · On-site

$123K - $163K/yr

If you enjoy working in a startup environment and are passionate about developing software for ... You will use your experience to direct, mentor, and grow a team of motivated spacecraft engineers ...

Cymertek Corporation

Software Engineer

Aurora, CO · On-site

$100 - $125/hr

Software Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position ... With direct access to company leadership, a laid‑back and inclusive atmosphere, and exceptional ...

Cymertek

Software Engineer

Aurora, CO · On-site

Software Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full Poly (Please note this position ... With direct access to company leadership, a laid-back and inclusive atmosphere, and exceptional ...

Infleqtion

Senior Software Engineer (QRF)

Louisville, CO · On-site

$160K - $185K/yr

As a deep-tech startup, we embrace a results-driven, fast-paced, and customer-focused approach to innovation. We are seeking a Senior Software Engineer to lead the development and productization of ...

Project Canary

Senior Software Engineer

Denver, CO · On-site

Direct access to product and company leadership * Fast feedback loops and fewer layers between idea ... Startup Adaptability We are a mid-stage startup. Priorities evolve. Documentation is not always ...

Infleqtion

Senior Software Engineer (QRF)

Louisville, CO · On-site

$160K - $185K/yr

As a deep-tech startup, we embrace a results-driven, fast-paced, and customer-focused approach to innovation. We are seeking a Senior Software Engineer to lead the development and productization of ...

Infleqtion

Senior Software Engineer (QRF)

Louisville, CO · On-site

$160K - $185K/yr

As a deep-tech startup, we embrace a results-driven, fast-paced, and customer-focused approach to innovation. We are seeking a Senior Software Engineer to lead the development and productization of ...

Atom Computing

Senior Software Engineer

Boulder, CO · On-site

$140K - $185K/yr

Atom Computing is looking for a Senior Software Engineer to build the software platform that ... Experience working at both a large technology company and a startup. Atom Computing provides a wide ...

Infleqtion

Senior Software Engineer (QRF)

Louisville, CO · On-site

$150 - $200/hr

As a deep-tech startup, we embrace a results-driven, fast-paced, and customer-focused approach to innovation. We are seeking a Senior Software Engineer to lead the development and productization of ...

Atom Computing

Principal Software Engineer

Boulder, CO · On-site

$180K - $220K/yr

We are seeking a Principal Software Engineer to provide technical leadership for the software ... Experience working at both a large technology company and a startup. Atom Computing provides a wide ...

Atom Computing

Principal Software Engineer

Boulder, CO

$180K - $220K/yr

We are seeking a Principal Software Engineer to provide technical leadership for the software ... Experience working at both a large technology company and a startup. Atom Computing provides a wide ...

Atom Computing

Senior Software Engineer

Boulder, CO

$140K - $185K/yr

Atom Computing is looking for a Senior Software Engineer to build the software platform that ... Experience working at both a large technology company and a startup. Atom Computing provides a wide ...

Infleqtion

Senior Software Engineer (QRF)

Louisville, CO · On-site

$160K - $185K/yr

As a deep-tech startup, we embrace a results-driven, fast-paced, and customer-focused approach to innovation. We are seeking a Senior Software Engineer to lead the development and productization of ...

Rincon Research Corp

Software Engineer

Centennial, CO · On-site

$85K - $152K/yr

... the direct mission feedback from the customer and seeing your project provide real-world ... Proficient in modern software engineering practices for testability and readability * Proficient in ...

Trace3

Software Engineer II

Colorado Springs, CO · On-site

$96K - $131K/yr

Our culture at Trace3 embodies the spirit of a startup with the advantage of a scalable business ... The Software Engineer II will design, develop and maintain mission-critical software in support of ...

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All JobsSoftware Engineer Startup JobsDirector Software Engineer Startup JobsDirector Software Engineer Startup Jobs in Colorado

Director Software Engineer Startup information

What does a director software engineer do at a startup?

A Director Software Engineer at a startup leads and manages the engineering team, overseeing the development and delivery of software products. They set technical direction, ensure best practices, and collaborate closely with founders and other departments to align technology with business goals. This role often involves hands-on coding, mentoring junior engineers, and making key architectural decisions. Directors at startups must be adaptable, balancing strategic planning with the fast-paced demands of startup growth.

What are the key skills and qualifications needed to thrive as a director software engineer at a startup?

To thrive as a Director Software Engineer at a startup, you need deep expertise in software architecture, coding best practices, and team leadership, often supported by a degree in computer science and significant engineering experience. Familiarity with agile methodologies, cloud platforms (such as AWS or GCP), and project management tools is typically required, along with experience in scaling systems. Exceptional communication, strategic thinking, and the ability to motivate and mentor a diverse team set standout leaders apart in this role. These skills are vital for driving innovation, ensuring technical excellence, and fostering a high-performing engineering culture in a fast-paced startup environment.

What are some common challenges faced by a director software engineer at a startup, and how can they be addressed?

As a Director Software Engineer at a startup, you may encounter challenges such as balancing hands-on technical work with managerial responsibilities, scaling the engineering team rapidly, and adapting to shifting business priorities. It’s important to establish clear communication channels, set achievable milestones, and foster a collaborative culture to keep the team aligned. Leveraging agile methodologies and regularly reviewing technical debt can help maintain product quality while meeting fast-paced deadlines. Building strong relationships with other departments, such as product and design, also ensures that engineering efforts are strategically aligned with the company’s goals.

What is the difference between Director Software Engineer Startup vs Lead Software Engineer?

AspectDirector Software Engineer StartupLead Software Engineer
ResponsibilitiesOversees multiple teams, strategic planning, and project alignmentLeads a specific team or project, technical mentorship
Required CredentialsBachelor's/Master's in CS or related, extensive experienceBachelor's/Master's in CS or related, strong technical background
Work EnvironmentStartup setting, cross-functional collaborationStartup or tech company, hands-on technical work
FocusStrategic leadership, team managementTechnical excellence, project delivery

The main difference between a Director Software Engineer Startup and a Lead Software Engineer lies in scope and focus. The Director typically manages multiple teams and handles strategic planning, while the Lead focuses on technical leadership within a specific team or project. Both roles require strong technical credentials, but the Director's role emphasizes leadership and organizational skills in a startup environment.

What are the most commonly searched types of Software Engineer Startup jobs in Colorado?

The most popular types of Software Engineer Startup jobs in Colorado are:

What are popular job titles related to Director Software Engineer Startup jobs in Colorado?

For Director Software Engineer Startup jobs in Colorado, the most frequently searched job titles are:

What job categories do people searching Director Software Engineer Startup jobs in Colorado look for?

The top searched job categories for Director Software Engineer Startup jobs in Colorado are:

What cities in Colorado are hiring for Director Software Engineer Startup jobs?

Cities in Colorado with the most Director Software Engineer Startup job openings:

Director Software Engineer Startup jobs near you
Infographic showing various Director Software Engineer Startup job openings in Colorado as of August 2026, with employment types broken down into 100% Full Time. Highlights an 80% In-person, and 20% Hybrid job distribution.

Senior Flight Software Engineer

CesiumAstro

Westminster, CO • On-site

$123K - $163K/yr

Full-time

Medical, Dental, Vision, Life, Retirement

Posted 9 days ago

Job description

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 to add a Senior Flight Software Engineer II to our Internal Missions team. If you enjoy working in a startup environment and are passionate about developing software for leading-edge communications satellites, we would like to hear from you. 
 
In this position, you will be responsible for the CesiumAstro satellite flight software and software-in-the-loop testing through all stages of the development process. Your work will include developing software to monitor, test, and control spacecraft subsystems such as attitude, command and data handling, navigation, thermal, and power. The ideal candidate will be an experienced spacecraft software engineer, motivated to develop every aspect of space mission software from Linux-based satellite operating systems to low-level embedded products. You will work and learn from a cohort of senior and principal software engineers. You will use your experience to direct, mentor, and grow a team of motivated spacecraft engineers in the development of a new satellite system. 
 
As a CesiumAstro team member, you will work on a small team to develop satellites and put them in orbit. You will be responsible for software design to include initial architecture and block diagrams, requirements definition, implementation, code review, and validation and verification. You will need to identify simplifying solutions to simulate complex problems and explain key results and decisions to the team. 
JOB DUTIES AND RESPONSIBILITIES
  • Design and implement software to build and integrate mission systems including satellites, ground stations, and mission operations centers.
  • Design, develop, code, test, debug, and document system software.
  • Review code and system designs.
  • Analyze code for efficiency, stability, and scalability.
  • Integrate and validate new product designs.
  • Support software quality assurance and optimize I/O performance.
  • Provide post-production/in-orbit customer support.
  • Interface with hardware design and development engineers.
  • Assess third party and open-source software.
JOB REQUIREMENTS AND MINIMUM QUALIFICATIONS
  • Bachelor of Science (BS), Master of Science (MS), or Doctorate (PhD) degree in Software or Computer Engineering from an accredited university or institution. 
  • Minimum of 5 years of industry experience in spacecraft software development. A Master's degree may count as two years of experience.
  • Experience in hands-on development and troubleshooting of software systems and hardware (such as motors, power distribution units, etc.).
  • Experience with C, C++, Python, or other languages in an aerospace context. 
  • A strong understanding of space missions from conception through flight and disposal. 
  • Familiarity with spacecraft mission design including events, pointing modes, maneuver planning, sequencing, and operations. 
  • Experience with spacecraft failure in post-CDR testing and on-orbit, root cause analysis, and recovery. 
  • Experience with design for reliability, spaceflight redundancy, and fault detection, identification, and recovery. 
  • Space software experience with attitude dynamics, coordinate frame transformations, vector mathematics, radiative heat transfer, spacecraft propulsion, space communication systems, and power systems.
  • Experience with communication protocols such as TCP/IP or UDP for use in software-in-the-loop and hardware-in-the-loop lab development and for use in space flight. 
  • Experience in interfacing a variety of open-source software to create an integrated system.
  • Embedded software experience, particularly for space missions. 
  • Ability to implement physical first principles as scripts or spreadsheets. 
  • Experience with processes for software release, revisioning, and configuration. 
  • Familiarity with configuration management tools, defect tracking tools, and peer review. 
  • Experience with trades and processes for handling radiation tolerance in software on automotive grade parts.
  • Familiarity with systems for continuous integration, test, and delivery. 
  • Excellent understanding of multi-threaded applications and resource management.
  • Excellent written and verbal communication skills. 
PREFERRED EXPERIENCE
  • CubeSat and SmallSat experience including LEO, MEO, GEO, and beyond. 
  • Hands-on experience with spacecraft instrumentation, subsystems, and test labs. 
  • Experience with JPL F', NASA cFS, and other commercial space software frameworks. 
  • Experience with ground system software engineering for space missions. 
  • Experience in a team leadership role on a space software program. 
  • Experience in other non-space safety critical software programs. 
  • Experience with network security.
$133,000 - $161,000 a year
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.
We 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.
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