Senior Full Stack Developer

🕒 September 26

🇩🇪 Germany – Remote

💵 €50k - €80k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 0%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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HeroSoftware GmbH - Shopify Apps

WebsiteLinkedInAll Job Openings

1 - 10 employees

Founded 2025

🛍️ eCommerce

☁️ SaaS

🤝 B2B

eCommerce • SaaS • B2B

HeroSoftware GmbH - Shopify Apps is a developer of Shopify apps — including AddressHero, PaymentHero, and DiscountHero — that provide merchants with checkout-focused tools to increase revenue and conversions. Their AddressHero app offers address validation with real-time edits to reduce errors and improve shipping accuracy, while PaymentHero lets stores hide, sort, and rename payment methods to boost conversion rates. These are SaaS products targeted at eCommerce merchants to optimize checkout flows and order accuracy.

📋 Description

• Plan, architect, and develop Shopify apps, plugins, and API integrations • Full-stack development with React, Next.js, Node.js, Express, and TypeScript • Integrate third-party systems such as ERP, payment, CRM, and logistics platforms via REST and GraphQL interfaces • Ensure performance, code quality, and scalability • Build responsive and accessible UI components • Conduct code reviews, unit, integration, and end-to-end testing, as well as debugging • Build and maintain CI/CD pipelines and technical documentation • Work closely with Design, Product, and QA teams to develop new products • Mentor junior developers • Actively contribute to the technical roadmap

🎯 Requirements

• At least 5 years of experience in full-stack development • Excellent knowledge of JavaScript, TypeScript, React, Next.js, Node.js, and Express • Solid knowledge of databases such as MongoDB, PostgreSQL, or MySQL • Proficiency 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 the GraphQL API • Independent, structured, and solution-oriented approach to work • Enjoy working in a team, sharing technical knowledge, and taking ownership • Organized and self-directed approach with clear pipeline logic • Native-level German and good written and spoken English • Genuine hunter mentality • Willingness to be part of a motivated team • Reliability and willingness to take responsibility

🏖️ Benefits

• 30 days of annual leave • Birthday and Christmas Day off • Maximum ownership and trust • Motivated team and high-performance environment • Flat hierarchies with short decision-making processes • 100% remote, with an office available in Mannheim • Team events and off-sites • Premium Apple hardware • Performance-based commission