Senior Backend Engineer

FitBark

Remote
  • Job Type: Full-Time
  • Function: Engineering Software
  • Post Date: 06/10/2025
  • Website: fitbark.com
  • Company Address: 1820 Washington Stl., Unit 2S, Kansas City, MO, 64108
  • Salary Range: $50,000 - $150,000

About FitBark

FitBark is a data-driven pet tech company on a mission to get pets and their owners healthy and safe together. We design pet wearables that help humans in 140+ countries to get actionable insights into their pet’s location, activity, quality of sleep, calorie expenditure, mobility, skin conditions, anxious behaviors and overall health.

Job Description

Our engineering team is looking for a pet friendly, experienced, self-motivated senior engineer to help us architect and code to an efficient server backend for our next-generation pet health and GPS trackers. You will work with our team on new architecture that supports fun and insightful mobile and web apps with an emphasis on usability and performance.

This is a 100% remote position based in US Central Time (CST/CDT). International candidates are encouraged to apply.

How you'll improve the lives of pets and humans

  • Architect, develop and deploy our data processing and analytics platform, which serves key data to our mobile, smartwatch and web apps, as well as universities, research partners, pharmaceutical companies, pet insurance companies and other commercial partners
  • Collaborate with our engineering team to extend new functionality to our apps
  • Identify performance bottlenecks, defining and implementing solutions to address them
  • Drive continuous improvement in overall system architecture including quality, performance and effectiveness of the backend infrastructure
  • Create and maintain technical documentation of private and public API
  • Report directly to our CTO

Essential skills

  • 5+ years of recent experience in Node.js or Ruby on Rails
  • Ability to build and deploy robust, scalable backends
  • Experience in API design and implementation
  • MySQL or PostgreSQL hand coding and performance optimization
  • AWS (EC2, RDS, VPC, SQS, and ELB)

Desirable skills

  • Working knowledge of DBMS including MySQL, Oracle or SQL Server
  • Previous work analyzing large amounts of data (intelligence, statistics, data mining)
  • Working knowledge of machine learning techniques
  • BA, BS or MS in related fields of application

Bonus points for

  • CI/CD experience
  • Working knowledge of React JS
  • Working knowledge of Nginx and Passenger
  • Knowledge of JavaScript/jQuery, CSS
  • Front-end development experience

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Disclaimer: Local Candidates Only
This company does NOT accept candidates from outside recruiting firms. Agency contacts are not welcome.