Freelance Senior AI Engineer – Multi-agent systems

Zapdeck

Freelance AI Engineer developing and scaling multi-agent AI systems for generative AI products. Collaborating with founding team to drive innovation and enhance AI-powered presentation tools.

Posted 6/12/2026contractRemote • 🇩🇪 GermanySeniorWebsite

About the role

Key responsibilities & impact

Build and scale AI systems: Design, implement, and optimize core components of our agentic AI architecture with a focus on performance and reliability
Develop agentic workflows: Build on multi-agent systems using LLMs, orchestration frameworks (LangGraph), RAG, and context engineering
Ship advanced AI features: Develop innovative capabilities such as layout optimization, structured reasoning flows, and multimodal workflows
Contribute to product evolution: Collaborate closely with product and engineering teams to shape features through experimentation and rapid iteration
Drive continuous improvement: Help refine best practices for evaluation, deployment, monitoring, and scaling of AI systems in production

Requirements

What you’ll need

Entrepreneurial mindset with strong ownership, creative thinking, and a pragmatic approach to building and shipping solutions quickly
At least 2 years of experience building production-grade AI systems, with a strong focus on Large Language Models
Proven experience designing and delivering agentic architectures and multi-step reasoning pipelines
Hands-on experience with orchestration frameworks such as LangGraph and retrieval systems (RAG/REC)
Strong understanding of prompt engineering, evaluation strategies, and LLM reliability optimization
Fluency in English, our primary business language
Availability to start on short notice

Benefits

Comp & perks

High level of ownership and creative freedom within a young, ambitious team, with the opportunity to help build a successful AI company from the ground up
Agile, output-driven work culture with minimal meetings, low administrative overhead, and direct impact on the product
Early-stage startup exposure, including building and scaling core product functions while we onboard large enterprise customers
Opportunity to work closely with the founding team and contribute to key technical and product decisions that shape the future of the company

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

AI systemsLarge Language Modelsagentic architecturesmulti-step reasoning pipelinesprompt engineeringevaluation strategiesreliability optimizationlayout optimizationstructured reasoning flowsmultimodal workflows

Soft Skills

entrepreneurial mindsetstrong ownershipcreative thinkingpragmatic approachcollaborationexperimentationrapid iteration