Senior AI Engineer; f/m/d
60306, Frankfurt am Main, Hessen, Deutschland
Verfasst am 2026-06-29
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Software Entwicklung
Künstliche Intelligenz Ingenieur, Backend Entwicklung, Full Stack Entwickler
We’re looking for a Senior AI Engineer to help build and scale Juno – the agentic AI layer powering our platform. You’ll turn ambitious AI designs into robust, production-ready systems. This is a hands‑on engineering role where you’ll implement multi‑agent workflows, integrate LLMs into real products, and continuously raise the bar on code quality and reliability. If you want to work at the cutting edge of applied AI – shipping real systems that make a real difference – this is the role for you.
How We Work:
Agentic-First Engineering
At JTL, AI-assisted development is not optional – it’s how we build. Engineers on our team actively uses tools like Git Hub Copilot, Claude Code, Cursor, or similar AI coding assistants as part of their daily workflow. We expect you to bring experience with these (or similar) tools.
- You design, develop, and maintain AI-powered services and agentic workflows for Project Juno.
- You build and integrate LLM-based applications using modern AI orchestration frameworks.
- You develop scalable backend services and APIs for AI systems and platform integrations.
- You implement retrieval‑augmented generation (RAG), tool‑calling, memory, and orchestration patterns.
- You integrate AI agents with enterprise systems, APIs, databases, and internal services.
- You optimize AI workflows for reliability, latency, scalability, and cost efficiency.
- You collaborate with Product, Platform, Data, and Dev Ops engineers to deliver production‑ready AI solutions.
- You contribute to architecture discussions, technical design reviews, and engineering standards.
- You implement monitoring, logging, testing, and observability for AI systems in production.
- You stay up to date with emerging AI technologies, frameworks, and best practices.
- You have 5+ years of professional software engineering experience.
- You have strong hands-on experience with Python.
- You have experience building and deploying AI-powered applications in production environments.
- You have experience working with LLMs and AI orchestration frameworks.
- You have a strong understanding of API development and backend engineering.
- You have experience with FastAPI or similar backend frameworks.
- You have experience implementing RAG pipelines and vector search solutions.
- You are familiar with prompt engineering, tool‑calling, and agent workflows.
- You have experience working with cloud platforms such as Azure, AWS, or GCP.
- You have experience with Docker and containerized deployments.
- Mobile Work:Almost all of our colleagues work remotely. If you prefer working from the office or simply want a change of scenery, you’re welcome to use any of our offices at any time. For workshops, training sessions, or trade fairs, we also enjoy meeting you in person!
- Flexible
Working Hours:
Thanks to our trust‑based working hours, you can organize your workday in a way that suits you best. Whether you’re an early bird or a night owl, what matters is that you complete your tasks reliably and coordinate well with your team. - Workation:Work where others go on vacation? No problem! You can work from abroad for up to 180 days per year, with only a few country‑specific exceptions.
- Meal Allowance:Through Hrmony, you receive a monthly meal allowance of up to €112.50 net — perfect for a healthy and delicious lunch break while working remotely.
- Ergonomic Workspace:We support you with a flat‑rate allowance so you can set up your ergonomic home office workspace according to your needs.
- Events:We love the “JTL spirit”! Despite working remotely, we celebrate our summer party and Christmas party together with the entire JTL Group and organize regular team events — creating a real sense of togetherness.
- Fitness & Sports Offers:Whether through the subsidized Job Rad bike leasing program or discounted sports offers via EGYM Wellpass — staying fit is easy with us!
- Financial Benefits:We support you with an occupational pension plan and capital‑forming benefits — optional and individually tailored.
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