> Markdown version of [/jobs/ext/378712-full-stack-software-engineer-backend-frontend-adtech-saas-startup-remote](https://www.wearedevelopers.com/jobs/ext/378712-full-stack-software-engineer-backend-frontend-adtech-saas-startup-remote). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full-Stack Software Engineer / Backend & Frontend - AdTech SaaS Startup remote - **Company:** DatAds - **Location:** Köln, Germany (Remote available) - **Experience:** Starter - **Salary:** €60,000.0 - €79,500.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Microsoft Azure, Cascading Style Sheets (CSS), Software as a Service, Cloud Computing, Databases, Data Architecture, Extract Transform Load (ETL), Distributed Systems, Python (Programming Language), PostgreSQL, Machine Learning, Node.Js, Queueing Systems, Recommender Systems, Redis, Next.js, SQL Databases, TypeScript, AI Infrastructure, Tailwind, ReactJS, Express.js, Backend, Vue.js, Event Driven Architecture, Data Lakes, Material UI, Kubernetes, Machine Learning Operations, Front End Software Development, Virtual Agents, Hubspot, Restful APIs, Automation Anywhere, Serverless Computing, Docker - **Published:** June 8, 2026 - **Apply:** https://www.xing.com/jobs/cologne-full-stack-software-engineer-backend-frontend-adtech-saas-startup-remote-153583392 ## About the Role Backend: PostgreSQL / SQL REST APIs * Ideally Node.js + Express.js + TypeScript * Most features involve API updates Cloud (Azure preferred) * Experience with Docker & serverless containers (Azure Container Apps, Cloud Run) * Event-driven architectures and queue-based background jobs Frontend : Nuxt.js / Vue.js or Next.js / React TailwindCSS * Ability to implement clean UI components using modern CSS frameworks End-to-End Ownership ("Builder Mentality"), Learn from Experience: Work directly with Daniel (CTO), who brings a Master's in Machine Learning and 2 years as Senior Software Engineer in AI infrastructure at HubSpot. You'll have access to mentorship that accelerates your growth., * Backend & Systems: TypeScript, Python, distributed systems design * Infrastructure: Azure services, PostgreSQL, Redis, Docker, Azure Container Apps (Kubernetes) * Data Architecture: Experience with data lakes, message queues, databases (relational, columnar), marketing APIs, high-volume ETL pipelines, machine learning pipelines * Frontend: Nuxt.js, TypeScript, Tailwind CSS ## Description Our SaaS platform bridges the gap between performance marketers and creative teams by delivering visual ad insights, automated analytics, and AI-powered creative recommendations. The result: faster workflows, smarter decisions, and more high-performing ads - across Meta, TikTok, and YouTube. We're growing fast, with double-digit month-over-month expansion. Our customers include some of the most innovative eCommerce brands, lead generation companies, and performance marketing agencies across the DACH region - and increasingly, across Europe. Brands like yfood, Greator, Perspective, and Holy trust DatAds to power their creative strategy. If you want to be part of a fast-moving marketing tech startup where your ideas actually shape the product - join us. We're building something big, and we're just getting started. Tasks Feature Development & Extension across product lines (analytics, inspiration, ai). Possible projects can include * Build & maintain integrations to ad-platforms like Taboola, Pinterest or Snapchat * Implement AI recommendation system * Extend static AI workflows to dynamic AI agent Internal Tech Support: Communication with the internal Customer Success team (in English) when bugs or technical questions arise. End-to-End System Ownership: From system design to deployment, to tech support you'll own entire technology solutions and ensure their operational excellence. We believe in giving maximum freedom - you get the problem, you architect, build and own the complete system solution. ## Related Videos - [Lessons learned from building a thriving Vue.js SaaS application](https://www.wearedevelopers.com/videos/1666-lessons-learned-from-building-a-thriving-vue-js-saas-application) - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) - [WeAreDevelopers LIVE – AI, Freelancing, Keeping Up with Tech and More](https://www.wearedevelopers.com/videos/1786-wearedevelopers-live-ai-freelancing-keeping-up-with-tech-and-more) - [Accelerating Authentication Architecture: Taking Passwordless to the Next Level](https://www.wearedevelopers.com/videos/733-accelerating-authentication-architecture-taking-passwordless-to-the-next-level) ## Related Articles - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Best Coding Boot Camps in Germany](https://www.wearedevelopers.com/magazine/237-best-coding-boot-camps-in-germany) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Frontend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/195-frontend-developer-salary-in-germany-2023) - [The Biggest German Tech Companies](https://www.wearedevelopers.com/magazine/424-the-biggest-german-tech-companies)