Job Openings Senior Full-Stack Developer (Next.js / Nest.js / Express.js)

About the job Senior Full-Stack Developer (Next.js / Nest.js / Express.js)

Our client is a US-based e-commerce company operating in the automotive sector, focused on optimizing internal operations through smart technology solutions. This is a direct end-client business with active online sales, using Magento, Fishbowl (WMS), and various custom tools and marketing integrations.

Who We're Looking For

A senior full-stack developer who is proactive, dependable, and comfortable working across a broad tech stack from modern frameworks to legacy code. You'll be deeply involved in building out infrastructure and tools that directly impact e-commerce workflows.

Key Responsibilities

  • Develop and maintain both new and legacy services used in e-commerce operations
  • Build automation around fulfillment workflows (pick/pack/ship)
  • Integrate internal systems (Fishbowl, WMS) with external APIs (ShipStation, shipping carriers)
  • Work closely with the PM and founder to align development with business needs
  • Contribute to architectural decisions and technical strategy

Tech Stack

  • Frontend: Next.js

  • Backend: Nest.js, Express.js, PHP (Yii)

  • Database: MySQL

  • Platform: Magento 2 (backend)

  • Integrations: Fishbowl WMS, ShipStation, Klaviyo, GA4, GTM, Attentive, and other marketing tools

Requirements

  • English: Upper-intermediate or better

  • Strong experience with Next.js, Nest.js, Express.js

  • Comfortable maintaining legacy codebases

  • Experience designing integrations with WMS and shipping APIs

  • Ability to work independently in a distributed team

Nice to Have

  • Background in PHP/YII

  • Previous experience in e-commerce or warehouse automation

  • Magento 2 backend experience

  • Familiarity with marketing integrations and analytics tools

Employee Benefits:

  • Holiday Pay: 9 days in 2025 Change yearly based on US holidays
  • Paid Time Off: 10 Days
  • Sick Leave: 5 Days
  • Bereavement Leave: 3 days
  • Military Leave: Unpaid. Employee will be eligible for reemployment for up to 5 years from date their military leave beginnings