Senior AI Software Engineer

Wearehaystack — Germany · Posted ~3 hours ago

Senior Full-time

Skills

Full-stack software engineering Modern web applications React or Angular Java/Spring Boot or Python LLMs Retrieval Tool use Agentic AI workflows Cloud-native services Reliability Security React Angular Java Spring Boot Python

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Summary ✨ AI‑Generated

Join a technology team building modern SaaS applications with AI-native and agentic capabilities. You will design and operate cloud-native services, work with LLMs, retrieval and structured tool use, and collaborate across product, UX, architecture, and engineering. The role suits a senior full-stack engineer experienced with React or Angular and Java/Spring Boot or Python, with a strong focus on reliability, security, and user outcomes.

Highlights

Senior AI engineering role combining full-stack development, cloud-native architecture, and modern LLM-based capabilities. Offers close collaboration across product, UX, architecture, and engineering with meaningful opportunities to improve healthcare workflows and engineering quality.

Description

We're hiring on behalf of a Haystack partner! The Role Design, develop, and operate modern web applications across a SaaS portfolio. Integrate AI-native features and agentic experiences into products, utilizing LLMs, Retrieval, Tool-Use, and structured workflows. Design, develop, and operate Cloud-native services focusing on reliability, security, and developer productivity. Collaborate closely with Product Management, UX, Architecture, and Engineering to elevate engineering and AI-engineering quality. Stay close to users, understand healthcare workflows, and bring an entrepreneurial, outcome-driven mindset to feature development. What You'll Need Several years of senior experience in full-stack engineering of modern web applications. Deep knowledge in at least one frontend stack (React or Angular) and one backend stack (Java/Spring Boot or Python). Completed university degree (Master or PhD) in Computer Science, Software Engineering, or a comparable technical field. Proven experience with core technologies like React/Angular, Java Spring Boot, Python, C#, Kafka, Terraform, and Cloud/DevOps environments (Kubernetes, Helm, ArgoCD). Experience with LLM tools like Azure OpenAI, Anthropic SDK or MCP is a strong plus. Fluent in German and English, strong problem-solving skills, proactivity, and excellent collaboration with Product Management. What's On Offer Flexible mobile work (3 days on-site, 2 days remote). Well-equipped workplaces and regular social events. Opportunities for professional development through an in-house academy and external partners. Health benefits including an on-site canteen with healthy meals and a fully equipped fitness studio with weekly courses. Additional benefits like a kindergarten on campus, corporate benefits, Jobrad, and company pension scheme. Apply via Haystack today!