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Part Time Software Engineer Startup Jobs in California

Booz Allen Hamilton, Inc.

Software Engineer

Roseville, CA · On-site

$86K - $198K/yr

Share Software Engineer The Opportunity: As a full stack developer on this team, you will resolve ... Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible ...

Lancesoft

Software Engineer-Developer 4

Seal Beach, CA · On-site

$66.46 - $75.96/hr

Position Responsibilities • Design, develop, test, and maintain software applications that meet ... Additional Information Full Time / Part Time / On Call: Full time Shift: First Start Time: 8: 00 AM ...

Lancesoft

Software Engineer-Systems 5

Seal Beach, CA · On-site

$96.75 - $110.57/hr

... programming on full stack software projects/programs • Experience leading projects and/or ... Part Time / On Call: Full time Shift: First Start Time: 8: 00 AM End Time: 4: 30 PM Does this ...

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All JobsSoftware Engineer Startup JobsPart Time Software Engineer Startup JobsPart Time Software Engineer Startup Jobs in California

Part Time Software Engineer Startup information

What are the key skills and qualifications needed to thrive as a Part Time Software Engineer in a startup, and why are they important?

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.

What do part-time software engineers at startups 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 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.

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 are the most commonly searched types of Software Engineer Startup jobs in California? The most popular types of Software Engineer Startup jobs in California are:
What are popular job titles related to Part Time Software Engineer Startup jobs in California? For Part Time Software Engineer Startup jobs in California, the most frequently searched job titles are:
What job categories do people searching Part Time Software Engineer Startup jobs in California look for? The top searched job categories for Part Time Software Engineer Startup jobs in California are:
What cities in California are hiring for Part Time Software Engineer Startup jobs? Cities in California with the most Part Time Software Engineer Startup job openings:
Part Time Software Engineer Startup jobs near you
Infographic showing various Part Time Software Engineer Startup job openings in California as of May 2026, with employment types broken down into 100% Part Time. Highlights an 92% In-person, 4% Hybrid, and 4% Remote job distribution.
.Net Fullstack Developer_Fairfield(California)

.Net Fullstack Developer_Fairfield(California)

ISHIR

Fairfield, CA • On-site

Part-time

Posted 28 days ago

Job description

Job Title - Software Engineer (Contract)

Duration - 4 - 6 Months

Work Mode- Onsite

Work Location- Fairfield, California

Position Summary:

We are looking to fill in a part-time software engineer position in the Specialty Property department. This individual will support a cross-functional team of product developers, actuaries, catastrophe risk modelers, underwriters, and data analysts by maintaining and enhancing tools critical to product development, risk management, and underwriting execution. The role will also partner closely with the database administrator and software engineers currently supporting the business.

PRINCIPAL DUTIES AND RESPONSIBILITIES (May perform any or all of the following):

  • Maintain and enhance software tools that support insurance product development, underwriting workflows, and risk management.
  • Deliver reliable, efficient solutions quickly that improve business operations and decision-making.
  • Develop and integrate solutions using RESTful APIs and internal or third-party services.
  • Automate key business processes through services, scheduled jobs, monitoring, and troubleshooting.
  • Support maintaining in-house desktop applications, including WinForms or WPF applications, implement enhancements as needed.
  • Drive issue resolution and continuous improvement with a focus on supporting immediate business needs.
  • Work with database administrator and software engineers to ensure data integrity, application reliability, and system performance.
    Qualifications & Experience Required
  • 7 to 10 years of software engineering experience.
  • Strong experience with ASP.NET, C#, .NET, and front-end technologies such as jQuery and/or React.
  • Strong experience with relational databases ( SQL, PostgreSQL).
  • Experience integrating with RESTful APIs.
  • Knowledge of MVVM design patterns.
  • Experience with process automation, service setup, job scheduling, monitoring, and troubleshooting.
  • Ability to work independently while contributing effectively within a collaborative team environment.
  • Proactive mindset with a strong commitment to team success, service health, and continuous improvement.
    Preferred Qualifications:
  • Working knowledge of ArcGIS or ArcGIS Pro, spatial data management, and Python.
  • Prior experience in working R&D environments or as a software engineer supporting a business unit comfortable with iterative approaches.
  • Experience in the insurance industry is preferred.
    ABOUT ISHIR

ISHIR is a digital innovation and enterprise AI services provider. We work with startups and enterprises to shape the future through accelerated innovation, deep technical expertise, access to global digital talent and a passion for complex problem-solving. With our help, our clients overcome their most difficult digital challenges leveraging AI.

We are not just consultants, we are partners in our clients' success, assisting them with re(gaining) competitive edge by identifying opportunities for differentiation, industry disruption, scalable innovation, and go-to-market strategies that deliver successful outcomes.

At ISHIR, we help bold businesses accelerate innovation through Talent, Speed-to-Market, and AI. We help make an impact by solving real problems using innovation, improved customer experiences and the right technologies.

As an ISHIR employee, you will get the advanced training you need to be successful, and the opportunity to apply it. You must be passionate about technology, crave responsibility, and be eager to apply your knowledge to real business solutions for our startup and enterprise customers. These are the qualities of a person destined for success at ISHIR.

ISHIR attracts a special type of individualsomeone who is proactive, thrives on challenges, feeds off success, and looks at moving targets not as obstacles but as opportunities. ISHIR is an exciting place to work. It is imbued with an entrepreneurial spirit and promotes self-reliance, open communication, and collaboration.