Freelance Senior AI Engineer | Multi-agent systems

Freelance Senior AI Engineer | Multi-agent Systems

Zapdeck is a leading AI platform for professional presentation creation, empowering teams to transform ideas into high-quality, on-brand presentations efficiently. We are seeking a talented and motivated Freelance Senior AI Engineer to join our remote team and contribute to building and scaling the core AI systems behind our product.

If you are passionate about building real-world AI products at the forefront of generative AI and thrive on solving complex challenges, this role is for you.

About the Role

As a freelance contributor, you will play a crucial role in developing and scaling advanced agentic workflows, LLM orchestration, retrieval systems, and AI infrastructure. Your work will directly power customer-facing features used daily by professionals worldwide. You will collaborate closely with an experienced founding team, have significant ownership over the systems you build, and contribute to pushing the boundaries of AI-powered presentation creation.

Key Responsibilities

• 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 (e.g., LangGraph), Retrieval-Augmented Generation (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

• An 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 (LLMs).
• 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.
• Bonus: Experience with fine-tuning LLMs or working with multimodal/visual AI models.

What We Offer

• A high level of ownership and creative freedom within a young, ambitious team.
• The opportunity to help build a successful AI company from the ground up.
• An 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 onboarding large enterprise customers.
• The opportunity to work closely with the founding team and contribute to key technical and product decisions.

Ready to shape the future of AI-powered presentations with us? We’d love to hear from you. 🚀