Software Engineer / Fullstack (m/w/d) - D2C E-Commerce

About elvent

At elvent, we don't build standard shops. We develop and operate our own e-commerce systems for elvent and Flowers & Me, encompassing everything from headless storefronts and AI-driven product features to fulfillment automation, tracking infrastructure, and marketing integrations. Flowers & Me is scaling from an ambitious founder brand to a European player, with technology as its core driver. You will be central to building this core.

Your Impact

Your work will directly influence whether millions of people have a smooth and enjoyable shopping experience. You will be building the core technology that powers this experience.

Your Responsibilities (Aufgaben):

• Storefronts & Shop Features: Develop product pages, search, checkout flows, account areas, and wishlists using TypeScript, React, Next.js, and Tailwind.
• Tracking & Data Quality: Build and maintain tracking setups for shop events, conversion flows, consent management, marketing pixels, and server-side analytics, with a measurable impact on marketing decisions.
• AI Features: Develop pragmatic AI-driven product advisors, recommendation systems, content aids, and internal analysis tools, prioritizing data quality and maintainability.
• Integrations: Integrate and maintain various tools including Shopify, Sanity, Redis, Mollie, Klaviyo, PostHog, and Google APIs.
• Automation & Sync: Develop cron jobs and synchronization processes between systems like Sanity, Shopify, Google Merchant Center, Klaviyo, and internal systems, ensuring stability and testability.
• Internal Tools: Work on the fulfillment system (Convex, Sendcloud, Shopify API) and other internal applications critical to operations.
• Infrastructure & Tooling: Enhance Shopify Extensions, Sanity Studios, backup scripts, and migration tools.
• You will be expected to dive into existing systems, make pragmatic decisions, and deliver solutions while maintaining clarity and thoughtful system design.

Your Qualifications (Qualifikation):

• Fullstack TypeScript: Strong experience with TypeScript and full-stack development, seeing frontend and backend as integrated parts.
• React & Next.js: Practical experience with React and modern web frameworks, preferably Next.js.
• Backend Fundamentals: Understanding of APIs, Auth, Caching, Data Modeling, Jobs, Error Handling, and Testing as everyday concepts.
• E-commerce Domain: Interest in product data, cart, checkout, orders, fulfillment, analytics, and marketing tracking.
• Independence: Ability to quickly learn existing systems, make sound decisions, and deliver incremental improvements while keeping the big picture in focus. Clear communication, especially when requirements are incomplete or technical assumptions need validation.

Nice-to-have:

• Experience with Shopify, Shopify Extensions, or Headless Commerce.
• Experience with Sanity, Redis, Convex, Vercel, or GitHub Actions.
• Experience with shipping or marketing systems like Sendcloud or Klaviyo.
• Experience with PostHog, Google Tag Manager, Consent Management, or server-side tracking.
• Experience with AI APIs, LLM-based features, or prompting.

Benefits (Benefits):

• Remote or office-based in Spaichingen.
• Flexible working hours.
• Direct collaboration with the founder team – short paths, real co-creation.
• Employee discounts on elvent and Flowers & Me products.
• Free drinks and snacks.
• Free parking.
• Pets allowed.