Full Stack Developer : HeroSoftware

February 11, 2026
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Job Description

  • Anywhere
  • €50,000 USD

As a Full Stack (Shopify App) developer, you are responsible for the development and optimization of our Shopify apps. In cooperation with our Product & Design team, you will develop apps that are used by over 3,900+ merchants worldwide.

Responsibilities

Here’s what your day looks like:

  • Planning, architecture, and development of Shopify apps, plugins, and API integrations
  • Full-stack development with modern technologies in the frontend (React, Next.js) and backend (Node.js, Express, TypeScript)
  • Connection of third-party systems (ERP, payment, CRM, logistics, etc.) via REST and GraphQL interfaces
  • Ensure performance, code quality, and scalability
  • Implementation of responsive and accessible UI components
  • Conducting code reviews, testing (unit, integration, E2E) and debugging
  • Development and maintenance of CI/CD pipelines as well as technical documentation

Qualification

What you bring to the table:

  • At least 5 years of experience in full-stack development
  • Very good knowledge of JavaScript, TypeScript, React, Next.js, Node.js and Express
  • Solid know-how in dealing with databases (MongoDB, PostgreSQL or MySQL)
  • Routine working with Git, CI/CD, Docker and modern DevOps workflows
  • Understanding of UX/UI, API design, security (OAuth, JWT, CORS) and performance optimization
  • (Optional) Experience with Shopify App Development, including Polaris, Webhooks, OAuth, and GraphQL API
  • Independent, structured and solution-oriented way of working
  • Enjoyment of teamwork, technical exchange and responsibility
  • Structured, independent way of working with clear pipeline logic
  • German at native speaker level + good written and spoken English

You + us = match if you:

  • Bring a real hunter mentality with you
  • want to be part of a motivated team
  • You don’t manage success, but actively drive it forward
  • We can rely on you, and vice versa
  • Gladly on the left lane of the extra mile to

Benefits

Dein Gehalt:

  • 50.000€ – 80.000€
  • Fixed salary + performance-related commission

We offer you:

  • Maximum ownership and trust
  • 30 days holiday + birthday & Christmas free
  • Motivated team & high-performance environment
  • Flat hierarchies with short decision-making paths
  • 100% remote, office in Mannheim possible
  • Team Events & Off Sites
  • Best Apple Hardware

“Were we able to arouse your interest?”

Fun – if you’ve read this far, we should talk.

PS: Please address us on a first-name basis in your cover letter

Photos