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Founding Full Stack Software Engineer Jobs in California

Hop

Full Stack Software Engineer

Los Angeles, CA · On-site

$200K - $400K/yr

We are seeking a highly motivated, collaborative, and technically strong Full Stack Software Engineer to join an Enterprise Technology Application Development team supporting a highly respected ...

MedImpact

Full Stack Software Engineer I

San Diego, CA · On-site

$42.50 - $53.52/hr

Full Stack Software Engineer Business Unit: 1200 Information Technology Prepared Date: 5/20/2025 Summary The Full Stack Software Engineer position works within the Application Development & Support ...

Future Motion

Full Stack Software Engineer

San Jose, CA

$100K - $160K/yr

Role summary We're looking for a Full-Stack Software Engineer (3+ years) who's comfortable working independently, jumping into existing codebases, and shipping pragmatic solutions in a small-team ...

Scout AI

Full Stack Software Engineer

Sunnyvale, CA · On-site

They are seeking a Full-Stack Software Generalist to work across the entire product surface ... Required : • 2-5 years of full-stack engineering experience (startup or high-ownership ...

Scout AI

Full Stack Software Engineer

Sunnyvale, CA · On-site

They are seeking a Full-Stack Software Generalist to work on backend systems, frontend experiences ... Required : • 2-5 years of full-stack engineering experience (startup or high-ownership ...

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 ...

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

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

Los Angeles, CA · On-site

$172.20 - $206.64/hr

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 ...

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Founding Full Stack Software Engineer information

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 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 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.
What are popular job titles related to Founding Full Stack Software Engineer jobs in California? For Founding Full Stack Software Engineer jobs in California, the most frequently searched job titles are:
What job categories do people searching Founding Full Stack Software Engineer jobs in California look for? The top searched job categories for Founding Full Stack Software Engineer jobs in California are:
What cities in California are hiring for Founding Full Stack Software Engineer jobs? Cities in California with the most Founding Full Stack Software Engineer job openings:
Founding Full Stack Software Engineer jobs near you
Infographic showing various Founding Full Stack Software Engineer job openings in California as of August 2026, with employment types broken down into 1% Internship, 85% Full Time, 9% Part Time, 2% Temporary, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution.

Full-stack Software Engineer

Integrated Biosciences, Inc.

Redwood City, CA • On-site

Full-time

Re-posted 16 days ago

Job description

Job Summary:
Integrated Biosciences, Inc. is focused on advancing small molecule therapeutics for age-related diseases through a unique discovery platform. They are seeking a driven full-stack software engineer to collaborate with engineers and scientists in building tools that enhance their drug discovery pipeline.
Responsibilities:
• Partner closely with scientists to understand novel problems in drug discovery and develop software solutions to solve these problems at scale
• Improve and optimize existing software to support our rapidly growing team
• Build bespoke tools for complex problems in wet-lab experimental design and automation, computational drug discovery, and data science
• Integrate these tools into our broader AI agent harness to directly accelerate drug development for age-related diseases
Qualifications:
Required:
• Bachelor’s or master’s degree in computer science or a related field
• Experience architecting and building full stack systems, from database and backend infrastructure to frontend applications
• Ability to provision, deploy, and manage cloud resources and infrastructure such as Docker, Vercel, AWS, and bare metal
• Fluency in leveraging AI tools such as Claude Code, Codex, Opencode, and Grok to build software quickly
• Eagerness to learn more about drug discovery and how software and AI can improve the process
Preferred:
• Experience building infrastructure and tooling around AI processes and agents (post-training, MCP servers, skills, automations, harnesses, etc.)
• Familiarity with robotics/hardware automation (ROS2, path planning, hardware orchestration)
• Familiarity with our software stack (Postgres, Typescript, React, modern backend and frontend frameworks)
• Experience with computational chemistry and/or biology
• Great design sense to build tools with great UX for our researchers
Company:
We are advancing small molecule therapeutics for age-related diseases. Founded in 2022, the company is headquartered in Redwood City, USA, with a team of 11-50 employees. The company is currently Early Stage.

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