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Part Time Software Engineer Startup Jobs in Seattle, WA

Juicer Energy, Inc.

Be Seen First

Electronics assembly and warehouse associate - Part-time

Redmond, WA · On-site

$20/hr

This is a hands-on role with a fast-growing Redmond-based startup, working alongside some of the ... Set up and program key components via custom software - proficient computer skills needed * Pack ...

Marriott Seattle Airport

Maintenance Engineer

Seattle, WA · On-site

$23.66/hr

Ability to use web-based software, including facilities maintenance software preferred * The ... We offer a combination of benefits based on full-time and part-time eligibility, including Medical ...

Shield AI

Staff Engineer, XBAT DevOps (R4542)

Seattle, WA

$180K - $270K/yr

Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation ... Military fellows and part-time employees are not eligible for benefits. Please speak to your talent ...

Shield AI

Staff Engineer, Manufacturing Equipment

Seattle, WA · On-site

$150K - $230K/yr

Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation ... Military fellows and part-time employees are not eligible for benefits. Please speak to your talent ...

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All JobsSoftware Engineer Startup JobsPart Time Software Engineer Startup JobsPart Time Software Engineer Startup Jobs in Seattle, WA

Part Time Software Engineer Startup information

See Seattle, WA salary details

$72.3K

$167.9K

$233.9K

How much do part time software engineer startup jobs pay per year?

As of Sep 4, 2026, the average yearly pay for part time software engineer startup in Seattle, WA is $167,886.00, according to ZipRecruiter salary data. Most workers in this role earn between $136,600.00 and $196,900.00 per year, depending on experience, location, and employer.

What does a part-time software engineer at a startup do?

Part-time software engineers at startups are responsible for developing, testing, and maintaining software products or features, typically working fewer hours than full-time staff. They often collaborate closely with small teams to build new applications, fix bugs, and contribute to code reviews. Due to the fast-paced and dynamic nature of startups, part-time engineers may also be involved in product discussions and decision-making. Flexibility, adaptability, and strong technical skills are important in these roles, as tasks and priorities can change quickly.

What are the key skills and qualifications needed to thrive as a part-time software engineer in a startup?

To thrive as a Part Time Software Engineer in a startup, you need solid programming skills, experience with software development lifecycles, and a relevant degree or equivalent experience. Familiarity with version control systems like Git, cloud platforms, and popular frameworks or languages (such as JavaScript, Python, or React) is typically expected. Strong problem-solving abilities, adaptability, and effective communication help you excel in a fast-paced, collaborative environment. These skills and qualities are vital to contribute meaningfully, manage shifting priorities, and support rapid product development in a startup setting.

How does working as a part-time software engineer at a startup typically differ from similar roles at larger companies?

As a part-time software engineer at a startup, you'll often experience a fast-paced and dynamic environment where responsibilities can shift quickly based on the company's immediate needs. Startups usually have smaller teams, so you'll likely collaborate closely with founders and other engineers, gaining exposure to a broad range of tasks—including coding, product discussions, and even deployment. Flexibility and adaptability are important, as priorities may change rapidly. This role can offer significant learning opportunities and visibility, but may also require managing ambiguity and balancing shifting priorities.

What is the difference between Part Time Software Engineer Startup vs Part Time Web Developer Startup?

AspectPart Time Software Engineer StartupPart Time Web Developer Startup
Required SkillsProgramming, software development, algorithmsHTML, CSS, JavaScript, front-end/back-end web development
Work EnvironmentCollaborative, tech-focused startup teamsCreative, design-oriented startup teams
Common CertificationsComputer Science degree, coding bootcampsWeb development certifications, UX/UI courses

While both roles are part-time positions in startup environments, a Part Time Software Engineer focuses on building and maintaining software systems, requiring programming and algorithm skills. In contrast, a Part Time Web Developer specializes in designing and developing websites, emphasizing front-end and back-end web technologies. The roles share similar startup work environments and certification backgrounds but differ in technical focus and daily tasks.

What are the most commonly searched types of Software Engineer Startup jobs in Seattle, WA?

The most popular types of Software Engineer Startup jobs in Seattle, WA are:

What are popular job titles related to Part Time Software Engineer Startup jobs in Seattle, WA?

For Part Time Software Engineer Startup jobs in Seattle, WA, the most frequently searched job titles are:

What job categories do people searching Part Time Software Engineer Startup jobs in Seattle, WA look for?

The top searched job categories for Part Time Software Engineer Startup jobs in Seattle, WA are:

Part Time Software Engineer Startup jobs near you
Infographic showing various Part Time Software Engineer Startup job openings in Seattle, WA as of August 2026, with employment types broken down into 100% Part Time. Highlights an 93% In-person, and 7% Remote job distribution, with an average salary of $167,886 per year, or $80.7 per hour.

Principal Engineer, Fluid & Thermal Systems (R4793)

Shield AI

Seattle, WA • On-site

$250K - $370K/yr

Full-time, Part-time

Posted 10 days ago

Key responsibilities

  • Lead the design, development, and optimization of fluid and thermal systems for autonomous UAVs and ground systems.

  • Conduct testing, validation, and analysis of fluid and thermal systems to ensure performance and reliability.

  • Collaborate with cross-disciplinary teams and manage supplier relationships to integrate fluid and thermal system solutions.

Job description

Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic reality technologies. With offices and facilities across the U.S., Europe, the Middle East, and Asia-Pacific, Shield AI’s technology actively supports operations worldwide. For more information, visit www.shield.ai. Follow Shield AI on LinkedIn, X, Instagram, and YouTube. 

Job Description:
Are you an experienced and innovative Fluid & Thermal Systems Engineer looking to help shape the future of AI and robotics technology? Are you eager to make a meaningful impact on cutting-edge products that matter? Do you thrive in a fast-paced, mission-driven environment alongside highly motivated and values-focused teammates? Shield AI is the perfect place for you!
 
As a Staff Fluid & Thermal Systems Engineer at Shield AI, you will lead the design, development, and optimization of fluid and thermal systems for our advanced autonomous UAVs and ground systems. Your expertise fluid & thermal system design will drive innovation, prototyping, testing, and the successful integration of solutions that operate reliably in challenging environments. This role requires technical leadership, collaboration with cross-functional teams, and an unwavering commitment to delivering excellence from concept to production.
What you'll do:
  • Own design and analysis of fluid and thermal systems for aircraft and ground platforms.
  • Develop and implement innovative thermal solutions
  • Use first-principles engineering to drive design decisions to yield optimal solutions
  • Research technologies for integration into complex solutions
  • Conduct advanced simulations to predict system performance and refine designs
  • Execute testing and validation efforts, including data acquisition, post-processing, and verification against requirements
  • Collaborate with cross-disciplinary teams to integrate fluid and thermal system designs into larger system architectures.
  • Mentor and guide junior engineers, fostering technical growth and excellence within the team.
  • Identify suppliers and build successful supplier management relationships for procurement of components or systems for fluid and thermal system designs
  • Other duties as assigned
Required qualifications:
  • Minimum 10+ years of experience in Fluid or Thermal System design, with a proven track record of technical excellence.
  • B.S. or advanced degree in Mechanical, Aerospace, or related Engineering discipline.
  • Deep understanding of heat transfer, fluid dynamics, thermodynamics, and system-level thermal management.
  • Experience implementing system models in commercial tools, such as MATLAB Simscape, Amesim, etc.
  • Experience developing custom engineering models in Excel and in languages such as MATLAB, Python, etc.
  • Experience in fluid and thermal system testing, including sensor integration, data acquisition, and analysis.
  • Expertise in 3D CAD modeling tools such as Siemens NX or equivalent.
  • Demonstrated ability to execute projects with minimal oversight, assume full ownership, and deliver exceptional outcomes.
  • Excellence in supplier management, COTS component sourcing, optimization/trade studies
  • Proven success in dynamic, fast-paced environments.
  • Ability to obtain a S//SAR level security clearance desired.
Preferred qualifications:
  • Extensive experience with fluid & thermal system design, analysis, manufacture and test for aircraft
  • Familiarity with fluid and thermal system effects on aircraft performance
  • Familiarity with startup or R&D environments, demonstrating adaptability and agility under pressure.
  • Strong knowledge of environmental standards and certification processes for aerospace or defense systems.
  • A passion for innovation and the ability to push boundaries in fluid & thermal system development.
#LI-MS1
#LF

Full-time regular employee offer package:
Pay within range listed + Bonus + Benefits + Equity
 
Temporary employee offer package:
Pay within range listed above + temporary benefits package (applicable after 60 days of employment)
 
Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location. All offers are contingent on a cleared background and possible reference check. Military fellows and part-time employees are not eligible for benefits. Please speak to your talent acquisition representative for more information.
 
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Shield AI is proud to be an equal opportunity workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, marital status, disability, gender identity or Veteran status. If you have a disability or special need that requires accommodation, please let us know. 

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.