Senior AI Engineer
Nelly Solutions7 months ago
Berlin, GermanySenior
Responsibilities
- Develop cutting-edge AI systems and robust data pipelines from rapid prototypes to scalable production solutions.
- Ship LLM and GenAI features using RAG, tool use, planning, agent frameworks such as MCP, and multi-agent systems.
- Build and operate high-throughput backend systems, APIs, event-driven architectures, caching strategies, and performance optimizations.
- Design advanced retrieval systems using embeddings, chunking strategies, hybrid search, metadata schemas, knowledge graphs, evaluation frameworks, and production monitoring.
- Drive architecture decisions, mentor engineers, and establish engineering best practices.
- Develop cloud-native systems at scale and support innovative GenAI initiatives with a pragmatic product focus.
Requirements
- 8+ years of experience building and operating backend systems in production.
- 3+ years of experience shipping LLM or GenAI features to users.
- Strong Python skills; TypeScript experience for integration work is preferred.
- Strong machine learning fundamentals and hands-on experience with model evaluation and self-evolving agents.
- Deep expertise in distributed systems design, API architecture, data modeling, asynchronous systems, event-driven architectures, caching, and performance optimization.
- Advanced retrieval engineering experience with embeddings, chunking, hybrid search, schema and metadata design, knowledge graphs, evaluation frameworks, and production monitoring.
- Proven technical leadership experience driving architecture decisions, mentoring engineers, and establishing engineering best practices.
- Experience with cloud-native development at scale, ideally using AWS; GCP experience is a strong plus.
- Excellent English communication skills and the ability to explain complex technical concepts to diverse audiences.
- Experience with Dagster, Airflow, or Prefect is a bonus.
- Technical writing, open-source contributions, industry speaking, and fluent German are additional bonuses.
Benefits
- Deutschlandticket or Swapfiets membership.
- Urban Sports Club membership.
- Flexible working hours and a hybrid work setup.
- Up to four weeks of workation.
- Dog-friendly office with snacks and cold drinks.
Tech Stack
Categories
About Nelly Solutions
Nelly Solutions builds an AI-driven financial operating system for European healthcare, offering SaaS for medical practices to manage patient intake, e-signatures, insurance checks, billing, and payments, plus factoring. Its platform includes doctor, patient, and back-office portals and tools like an AI scribe and billing agent. Founded in 2021 and headquartered in Berlin, the privately held company sells to clinics and practices via subscriptions and payment processing.