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Founding Full Stack Software Engineer Jobs in Berkeley, CA

Valius Sciences

Full-stack Software Engineer

San Francisco, CA · On-site

$200K - $300K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

This role spans the full stack: on the front end, you'll craft AI-powered interfaces that help ... Partner with our science team, founding team, and fellow engineers to collaboratively develop ...

Labric

Full Stack Software Engineer

San Mateo, CA · On-site

They are seeking a Full Stack Software Engineer to build core data infrastructure and develop software that assists scientists in analyzing their experiments and collaborating more effectively.

Strella

Full Stack Software Engineer

San Francisco, CA · On-site

  • Medical

  • Dental

  • Vision

  • PTO

We are seeking a Full Stack Software Engineer who embodies both technical excellence and a relentless drive to elevate our products. As one of our early engineers, you will play a large role in ...

Medium

Senior Full Stack Software Engineer

San Francisco, CA · On-site

$172.20 - $206.64/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

We are looking for an experienced Senior Full Stack Software Engineer to join our dynamic and growing team. In this role, you will play a pivotal part in designing, building, and maintaining scalable ...

Mintex Technology

Full Stack Engineer

San Francisco, CA · On-site

$180K - $210K/yr

San Francisco Bay Area, CA (Hybrid - 4 Days Onsite) Job Type: Full-Time | Direct Hire | Permanent Position Overview: ***** is seeking a Full Stack Software Engineer to build and enhance its B2B SaaS ...

Clera

Founding Full Stack Engineer

San Francisco, CA · On-site

$180K - $230K/yr

... Founding Engineer. You'll join the CTO as a core member of a tiny, high-caliber team and help set ... You'll own problems across the full stack, from LLM orchestration to embeddable frontend widgets to ...

Clera

Founding Full Stack Engineer

San Francisco, CA · On-site

$180K - $230K/yr

... Founding Engineer. You'll join the CTO as a core member of a tiny, high-caliber team and help set ... You'll own problems across the full stack, from LLM orchestration to embeddable frontend widgets to ...

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Showing results 21-40

All JobsFounding Full Stack Software Engineer JobsFounding Full Stack Software Engineer Jobs in Berkeley, CA

Founding Full Stack Software Engineer information

See Berkeley, CA salary details

$54.5K

$165K

$233.3K

How much do founding full stack software engineer jobs pay per year?

As of Aug 18, 2026, the average yearly pay for founding full stack software engineer in Berkeley, CA is $165,018.00, according to ZipRecruiter salary data. Most workers in this role earn between $135,900.00 and $193,500.00 per year, depending on experience, location, and employer.

What is a founding full stack software engineer?

Founding Full Stack Software Engineers are technical professionals who join a startup at its earliest stages to help build and shape the company's core products and technology infrastructure. They work across both the front-end and back-end of applications and play a key role in making architectural decisions, setting up development processes, and establishing the technical foundation. As 'founding' team members, they often have greater responsibilities, including working closely with company founders, contributing to product strategy, and sometimes receiving equity or a stake in the company.

What are the key skills and qualifications needed to thrive as a founding full stack software engineer?

To thrive as a Founding Full Stack Software Engineer, you need deep expertise in both front-end and back-end development, strong problem-solving skills, and experience building scalable web applications, usually demonstrated by a degree in computer science or equivalent experience. Mastery of tools and frameworks such as JavaScript, React, Node.js, cloud platforms (AWS, GCP), and version control systems like Git is typically required. Exceptional communication, adaptability, and entrepreneurial mindset are crucial for collaborating in a dynamic startup environment and driving product vision. These skills are vital for rapidly iterating, shipping robust products, and establishing a strong technical foundation for a growing company.

What unique challenges might I face as a founding full stack software engineer in an early-stage startup?

As a Founding Full Stack Software Engineer, you’ll often juggle multiple responsibilities, from designing core architecture to deploying code and setting up development workflows. Since resources are limited and the product vision can evolve quickly, adaptability and strong communication with founders and other early team members are key. You may also be deeply involved in decisions beyond pure engineering, such as hiring, product strategy, and even customer support. This environment can be both demanding and highly rewarding, offering accelerated learning and significant influence over the company’s technical direction.

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For Founding Full Stack Software Engineer jobs in Berkeley, CA, the most frequently searched job titles are:

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Founding Full Stack Software Engineer jobs near you

Full Stack Software Engineer

caspar.ai

Redwood City, CA

Full-time

Re-posted 26 days ago

Job description


A full stack software engineer has the capability and flexibility to work on any part of the
system from building front end features to back end systems. Building performant, reliable, and
scalable systems with a clean user experience are of utmost importance for this position.
Complete understanding of the end to end system is required to meet the high-quality bar for
any feature or service that goes into production.

Responsibilities
Own an end-user feature set and/or service, taking it from conception to development
to production
Perform code reviews and design reviews with colleagues, providing feedback to
improve the system
Create unit tests for all code components
Track usage and metrics, ensuring high quality through test automation and field
metrics and feedback

Qualifications
2-5+ years Software Engineering experience
Well versed in React JS, Node, and Python
Knowledge of core AWS services and able to apply best practices regarding networking,
security, and scalability
Strong computer science fundamentals: data structures, algorithms, distributed
systems, and information retrieval
Must be able to debug system level issues in Linux
Appetite to learn and desire to improve

Apply