Full Stack Developer – AI SaaS

🕒 April 21

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homie AI

WebsiteLinkedInAll Job Openings

11 - 50 employees

Founded 2023

🤖 Artificial Intelligence

🛍️ eCommerce

🤝 B2B

Artificial Intelligence • eCommerce • B2B

homie AI is a GDPR-compliant AI assistant platform that delivers real-time product search, personalized chat-based advice, and omnichannel support for online shops and physical stores. It integrates with major e-commerce platforms (Shopify, Magento, WooCommerce, Shopware) and supports POS terminals, QR-code access, and live product feed synchronization to increase conversions, reduce support tickets, and enable upselling. The service is offered as a plug-and-play SaaS for retailers and industrial clients, with configurable brand voice, analytics, and multilingual capabilities.

📋 Description

• Build the future of online shopping as a Full Stack Developer (m/f/d) • Play a central role in developing our AI-powered services for retail • Develop high-performance backend systems, smart frontends and innovative AI features using state-of-the-art technology • Develop and maintain scalable REST APIs with NestJS • Build AI-powered services for product search, GPT-based communication, TTS output and tool calls • Integrate LLM APIs into production systems • Efficient data modeling with MongoDB, including aggregations and performance optimization • Deploy and operate in Azure using Docker, including monitoring and error handling • Implement parallel tool calls and event streaming via SSE or WebSockets • Connect external APIs (CMS, e-commerce platforms such as Shopify/WooCommerce, Google Feeds, etc.)

🎯 Requirements

• Several years of experience with NestJS: Clean Architecture, DTOs, Guards, Interceptors, Background Tasks • Strong proficiency in TypeScript • Solid experience with MongoDB: indexing, aggregation pipelines, performance tuning • Familiar with modern LLM APIs: chat completions, TTS, embeddings, tool calls, prompt design and rate limiting • Experience with containerized deployments via Docker on Azure • Comfortable with CI/CD pipelines: ideally GitHub Actions • Self-driven working style: you work responsibly, in a structured way and take pride in clean, maintainable code • Proactive: you contribute to architecture, security, scalability and product strategy to share your perspective • AI enthusiast: interested in real-world AI applications that provide tangible value to users • Team player: collaborative, communicative and proactive in contributing ideas

🏖️ Benefits

• Remote or hybrid: work from anywhere or at our modern co-working spaces in Cologne or Hamburg • Startup spirit: flat hierarchies, agile working methods, fast decision-making and full ownership of your projects • Solution-oriented culture: we encourage creativity, responsibility and the drive to push things forward • International impact: you build software for customers around the world • Team vibe: collegial and personable atmosphere, regular team events and knowledge‑sharing sessions • Open feedback culture: supported by personal mentoring • Keep learning: budget for training, conferences and e-learning to stay current with AI development • Additional benefits: a monthly allowance to support mobility, groceries or other expenses