Full-Time

Fullstack Engineer

Multiple Teams

Posted on 9/5/2025

Mixlab

Mixlab

51-200 employees

Veterinary pharmacy creating customized pet medications

Compensation Overview

$135k - $150k/yr

No H1B Sponsorship

Remote in USA

Remote

Candidates must be located in the United States within Eastern-Central Time Zones.

Category
Software Engineering (1)
Required Skills
React.js
Ruby on Rails
Postgres
Requirements
  • 2-5 years of experience working with Ruby on Rails
  • 2-5 years of experience with React or similar frontend frameworks
  • 2-5 years of experience with Postgres or other relational databases
  • Experience deploying and monitoring applications
  • Ability to manage your work autonomously and take ownership of projects
  • Clear communicator that knows how to build consensus and communicate plans
Responsibilities
  • Build new backend and frontend features across our applications and API
  • Collaborate closely with product and design to create implementation plans
  • Improve the testability and monitoring of our applications
  • Contribute to the improvement of our applications and addressing tech debt
  • Communicate cross-functionally to help find technical solutions to business problems
  • Work to automate and improve our development process
Desired Qualifications
  • Experience with Heroku, Datadog, Netlify
  • Experience working on SaaS platforms for a growing user base
  • Prior experience working with remote teams
  • A love of socially responsible products and desire to make an impact

Mixlab partners with veterinarians to create and deliver customized medications for pets. It uses a digital platform that veterinarians use to write and manage prescriptions, replacing faxes and phone calls, and then ships compounded and branded medications directly to pet owners’ homes. The product works by customizing dosage, form (liquids, treats, transdermal gels), and flavor (over 30 options) to improve pet compliance, alongside offering generic and brand-name meds and OTC products. Mixlab differentiates itself through veterinary collaboration, a focus on pet-specific compounding, a streamlined e-prescribing workflow, fast delivery (free next-day shipping nationwide and same-day delivery in major metros), and strategic acquisitions like NexGen Animal Health to extend services to large animals. Its goal is to simplify pet medication management for veterinarians and pet owners while expanding access to diverse, palatable, and timely treatments.

Company Size

51-200

Company Stage

Series A

Total Funding

$40.5M

Headquarters

New York City, New York

Founded

2017

Simplify Jobs

Simplify's Take

What believers are saying

  • Instinct integration shows sustained week-over-week adoption in specialty and emergency hospitals since late 2025.
  • Large animal market expansion unlocks new revenue streams from underserved equine and exotic practitioners.
  • AVMA partnership validation accelerates practice adoption through professional endorsements and regulatory credibility.

What critics are saying

  • Amazon Pharmacy and Chewy's compounding labs eliminate Mixlab's delivery and convenience moat by 2027.
  • FDA enforcement on non-PCAB compounders forces compliance cost spikes or service restrictions.
  • Single contamination or dosing error triggers class-action litigation and veterinary trust collapse.

What makes Mixlab unique

  • AI-powered eMix platform embeds pharmacy workflows directly into veterinary practice management software.
  • Same-day and next-day delivery across all 50 states with 30+ medication flavors.
  • Expanded to large animals via NexGen acquisition, serving equine, exotic, and zoo practitioners.

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Benefits

Paid Sick Leave

Company Stock Options

Health Savings Account/Flexible Spending Account

Growth & Insights and Company News

Headcount

6 month growth

2%

1 year growth

4%

2 year growth

0%
BizTimes
Jan 15th, 2025
The Pet Apothecary in Glendale acquired by New York-based veterinary pharmacy

New York-based veterinary pharmacy Mixlab has acquired Glendale-based pet pharmacy The Pet Apothecary and the veterinary business of Ohio-based SBH

Business Wire
May 23rd, 2024
Mixlab Expands Veterinary Compounding Offering into Large Animals with the Acquisition of NexGen Animal Health

Mixlab, the leading modern veterinary pharmacy, has acquired NexGen Animal Health, expanding its compounding services to also serve large animals.

Business Wire
May 22nd, 2024
Mixlab Acquires NexGen, Expands to Large Animals

Mixlab, a leading veterinary pharmacy, has acquired NexGen Animal Health to expand its compounding services to large animals, including equine, exotic, wildlife, and zoo animals. With financial backing from Vanterra Ventures, Mixlab will leverage its technology platform to enhance pharmacy experiences and increase production efficiency. The acquisition adds a fourth pharmacy in Texas, complementing existing locations in NY, CA, and FL, and aims to meet rising demand with improved customer care and delivery times.

Business Wire
Aug 15th, 2023
Mixlab Raises $10M to Enhance its Best-in-Class Veterinary Pharmacy Platform and Expand Operations Nationwide

Mixlab, the veterinarian-partnered pharmacy, raises $10M led by Vanterra Ventures, with participation from Lakehouse Ventures and others.

TechCrunch
Aug 14th, 2023
Mixlab adds to veterinary pharmacy footprint following $10M Series A extension | TechCrunch

Today, Mixlab announced $10 million in additional funding to meet some of the demand of veterinary services.

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