Senior Full Stack Developer

🔥 1 minute ago

🇩🇪 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 using modern frontend technologies (React, Next.js) and backend technologies (Node.js, Express, TypeScript) • Integrate third-party systems (ERP, payment, CRM, logistics, etc.) via REST and GraphQL interfaces • Ensure performance, code quality, and scalability • Implement responsive and accessible UI components • Conduct code reviews, testing (unit, integration, and E2E), and debugging • Build and maintain CI/CD pipelines and technical documentation • Work closely with Design, Product, and QA to shape products from the ground up • Mentor junior developers and actively contribute to our technical roadmap

🎯 Requirements

• At least 5 years of experience in full-stack development • Strong knowledge of JavaScript, TypeScript, React, Next.js, Node.js, and Express • Solid expertise in working with databases (MongoDB, PostgreSQL, or MySQL) • Hands-on experience 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, exchanging technical knowledge, and taking responsibility • Organized and self-directed working style with clear pipeline logic • Native-level German and good written and spoken English • A genuine hunter mentality • Desire to be part of a motivated team • You actively drive success rather than merely managing it • Dependable—and able to rely on us in return • Eager to go the extra mile and stay in the fast lane

🏖️ Benefits

• 30 days of vacation, plus your birthday and Christmas off • Maximum ownership and trust • Motivated team and high-performance environment • Flat hierarchies with short decision-making processes • 100% remote • Office in Mannheim available • Team events and off-sites • Premium Apple hardware