Senior Applied AI Engineer
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Job Description
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We’re seeking a driven Senior Applied AI Engineer to join one of the fastest-growing legal tech companies in Europe as we expand our core AI team.
This role focuses on applied generative AI in a production environment — building systems such as RAG pipelines, agentic workflows, and AI features used directly by lawyers.
Reporting to the AI Lead, you’ll work hands-on from architecture to implementation, collaborating with the Head of Engineering and product teams to ship reliable AI functionality while improving our LLM infrastructure, observability, and evaluation workflows.
For an engineer with practical experience building and deploying generative AI systems, this is an opportunity to create real product impact and help shape how AI evolves across the company.
Your Challenge and Opportunity in This Role
You’ll help define how AI is built and shipped in a fast-moving product environment. As a core AI Engineer, you’ll turn modern generative AI techniques into production-ready systems that deliver real value to users.
You will contribute to capabilities such as document understanding, document generation, and conversational interfaces over legal case files. Expect strong technical ownership, fast iteration, and a clear focus on building practical AI systems that improve productivity for law firms.
Tasks
AI Strategy & Implementation:
Architect and implement production-ready generative AI and LLM-based solutions within our product suite
Design and develop agentic systems that automate workflows and perform multi-step tasks within the JUPUS platform
Build and maintain RAG pipelines enabling users to interact with documents and case files
Implement evaluation, testing, and observability for AI systems to ensure reliability and continuous improvement
Establish best practices for AI development, testing, and deployment across products
Initially handle AI development hands-on as a core technical contributor within a small, fast-moving team where engineers own problems end-to-end and ship quickly
Cross-functional Collaboration:
Work closely with product, design, and engineering teams to integrate AI capabilities into real product workflows
Translate complex AI concepts into practical product features and communicate them clearly to both technical and non-technical stakeholders
Requirements
Technical Expertise:
Extensive hands-on experience building and deploying generative AI systems in production
Strong experience with RAG architectures (embeddings, retrieval, ranking)
Practical experience designing and deploying agentic systems or AI agents in production
Experience with LLM observability and evaluation tools (e.g., LangSmith, Langfuse) and designing evaluation pipelines for LLM systems
Strong programming skills in Python and solid software engineering practices
Experience designing LLM systems beyond simple API integrations, including retrieval pipelines, orchestration logic, and tool/agent workflows
Experience implementing AI features in real product environments, not purely research or academic settings
Ability to translate modern AI techniques into reliable, user-facing product functionality
Other requirements:
You must be located in the CET -2/+2 zone for this role!
You must have at least 4 years of professional experience in AI
You must have deployed AI systems such as RAG pipelines or agentic systems into production
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JUPUS
View Company ProfileJUPUS (operating under jupus.de) is the premier, enterprise-grade AI-native legal tech pioneer, autonomous administrative workflow innovator, and legal secretariat automation powerhouse engineered to operate as the definitive, high-velocity mandate acquisition, client intake, and practice optimization layer for small, mid-market, and enterprise law firms across Europe. The company completely eliminates the severe systemic friction of modern law firm operations—where legal practices lose immense billable momentum to severe support-staff shortages, manual and repetitive onboarding phone trees, disorganized initial document collections, and slow administrative case structuring—by deploying Europe's first comprehensive AI-driven secretarial software framework. Moving far beyond traditional, passive legal data tools or generic website contact fields, JUPUS natively unifies conversational web-based chat-intake AI, autonomous voice assistants for client calls, automated GDPR-compliant client document extraction and verification pipelines, and programmatic draft creation for powers of attorney and mandate files into a high-availability cloud platform. Serving over 2,000 lawyers and securely processing thousands of complex cases every single day, the platform eliminates more than 70 hours of non-billable overhead per firm monthly with production-hardened execution. Fuelled by a massive €13 million Series A funding round in June 2026 led by Semapa Next alongside Acton Capital, High-Tech Gründerfonds (HTGF), and NRW.BANK, the firm continues to scale its localized German footprint while aggressively driving a localized, multi-jurisdictional pan-European infrastructure expansion strategy. Under the hood, its sophisticated technical core integrates seamlessly via secure developer APIs into trusted local law practice management tools like Advoware, utilizing advanced legal natural language processing (NLP) to convert raw user inputs into structured, system-ready files within seconds. What sets JUPUS apart is its uncompromising dedication to replacing administrative backlogs with absolute operational velocity and client accessibility; by bridging the gap between performance-intensive data handling and strict regulatory privacy boundaries, the institution remains the definitive cornerstone of modern algorithmic legal tech transformation and distributed law firm scaling.
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