Full Stack Software Engineer

Sapho Bio; San Carlos (CA); On-site; USD 150,000 - 160,000; Full time

Benefits offered by this job

Health coverage

401(k) with company match

Unlimited PTO

Equity options

Prime location in San Carlos

Job summary

Sapho Bio is seeking a Full Stack Software Engineer to own the software that runs our lab and business. You will maintain our customer-facing app and build internal tools that connect instruments, the lab team, and customers.

You will work across the stack with TypeScript/React on the frontend and Python or Node on the backend, designing REST APIs and webhooks. This on-site role reports to the CTO in San Carlos, CA.

Qualifications

• BS or higher in computer science, engineering, or a related field, or equivalent experience.
• 1–3 years building and shipping production web applications.
• Strong across the stack: frontend (TypeScript, React), backend (Python or Node), and relational databases (PostgreSQL).
• Experience designing and maintaining REST APIs and webhooks.
• Comfortable owning deployment, monitoring, and keeping production systems running.
• Uses AI coding tools effectively to move fast without sacrificing quality.
• Great written and verbal communication skills, including with non-engineers.

Responsibilities

• Maintain and extend our customer-facing app, including sample submission, result reporting, and customer accounts.
• Build integrations between lab instruments, automation systems, and our software.
• Build internal lab management tools that make our scientists faster and reduce manual work.
• Build and maintain business systems, including invoicing, customer management, and reporting.
• Design and maintain the APIs and webhooks that customers use to integrate with us.
• Keep our systems secure, reliable, and auditable.
• Work directly with the lab, sales, and quality teams to understand their needs and ship solutions quickly.
• Whatever else is needed for the company to succeed.

Skills

React/TypeScript

Backend Python/Node

PostgreSQL

REST APIs

Webhooks

Deployment

Monitoring

AI coding tools

Communication

Education

BS or higher in CS/Engineering

Job description

Full Stack Software Engineer

Department: Lab

Reports To: CTO

Location: On site, San Carlos, California

Employment Type: Full Time, Exempt, Salary

Compensation: $150,000 – $160,000 + equity

About the Company

Sapho Bio is a revenue-generating biotechnology company developing a rapid microbiology release platform designed for the precision medicine era. We are a multidisciplinary team of scientists and engineers committed to transforming the lot release process through innovation, speed, and accuracy.

Our culture emphasizes agency, innovation, and continual learning. Following the successful validation and launch of our first proprietary assay, we now have over 30 customers and are growing quickly.

About The Role

We are looking for a Full Stack Software Engineer to own the software that runs our lab and our business. You will maintain and extend our customer-facing app, and build the internal tools that connect our instruments, our lab team, and our customers.

The work spans the full stack: lab automation integrations, sample and lab management tools, invoicing, customer management, and the APIs and webhooks our customers use to send us samples and receive results. You will sit next to the scientists who use what you build, so you will see the impact of your work the same day you ship it. This role reports to the CTO.

You are a good fit for this role if you are rigorous, smart, and above all hard-working.

Application Requirements

• Please link to examples of projects you have completed


• This job is not 9-5
  
  
  
  • This is an opportunity to work very hard, learn a lot, and develop skills that will serve you well throughout your career
  
  
  • This is not an opportunity to focus on work life balance
  
  
  
  

Who You Are

• BS or higher in computer science, engineering, or a related field, or equivalent experience


• 1–3 years building and shipping production web applications


• Strong across the stack: frontend (e.g. TypeScript, React), backend (e.g. Python or Node), and relational databases (e.g. PostgreSQL)


• Experience designing and maintaining REST APIs and webhooks


• Comfortable owning deployment, monitoring, and keeping production systems running


• Uses AI coding tools effectively to move fast without sacrificing quality


• Great written and verbal communication skills, including with non-engineers

Nice to Haves

• Experience with lab automation, instrument integration, or LIMS/ELN systems such as Benchling


• Experience building invoicing, billing, or CRM integrations


• Familiarity with software in regulated environments, including 21 CFR Part 11 and data integrity expectations


• Background or interest in biology, chemistry, or life sciences


• Prior experience at a startup

Responsibilities

• Maintain and extend our customer-facing app, including sample submission, result reporting, and customer accounts


• Build integrations between lab instruments, automation systems, and our software


• Build internal lab management tools that make our scientists faster and reduce manual work


• Build and maintain business systems, including invoicing, customer management, and reporting


• Design and maintain the APIs and webhooks that customers use to integrate with us


• Keep our systems secure, reliable, and auditable


• Work directly with the lab, sales, and quality teams to understand their needs and ship solutions quickly


• Whatever else is needed for the company to succeed

Details

• This is a full-time in-person role in San Carlos, CA


• The compensation for this role is $150,000 – $160,000 along with equity options in the company and benefits

Life at Sapho Bio

• High-Impact Work: Help transform pharmaceutical testing and accelerate patient access to life-saving therapies.


• Comprehensive Health Coverage: Medical, dental, and vision insurance.


• Financial Security: 401(k) with company matching and company-paid life insurance.


• Time to Recharge: Unlimited PTO and company-recognized holidays.


• Connection & Community: Team lunches, office events, and offsite gatherings.


• Competitive Compensation: Market-leading salary and meaningful equity participation.


• Fast-Paced Environment: Join a team that moves quickly, learns continuously, and executes with purpose.


• World-Class Team: Work alongside experienced scientists, engineers, and operators.


• Prime Location: Sunny, collaborative workspace in San Carlos.