AI Engineer (Agentic Systems / LLMs)

Darwoft; United States; Remote; USD 120.000 - 180.000; Teilzeit

Zusammenfassung

Darwoft is seeking a Senior AI Engineer (Agentic Systems & LLMs) for a global contractor role. You will design, build, and deploy end-to-end AI agents that integrate into business ecosystems, optimizing prompt engineering, RAG, and tool connections for accuracy, speed, and cost.

You will lead evaluation pipelines, collaborate with cross-functional teams, and help define best practices for agent lifecycle management in a remote, multilingual environment.

Qualifikationen

• Experience designing and deploying AI agents using Python
• Strong understanding of LLMs, agentic architectures and RAG
• Ability to evaluate, optimize, and monitor AI-powered workflows

Aufgaben

• Design, build, test, and deploy scalable AI agents
• Integrate AI agents with diverse data sources and APIs
• Develop evaluation pipelines for agent performance, speed and cost
• Implement advanced prompt engineering and custom tooling
• Provide technical leadership on generative AI best practices

Kenntnisse

Python

Agent development

LLM concepts

Prompt engineering

Tools

LangChain

LlamaIndex

CreWAI

OpenAI SDK

Google ADK

Jobbeschreibung

Disclaimer – Must read: Commitment & Focus This role requires full-time dedication, with clear priority given to Darwoft projects during the established working hours. It is not compatible with other full-time professional engagements. Any additional professional activities must be disclosed in advance and must not interfere with the responsibilities or working hours of this role.

About Darwoft

Darwoft is a software factory that develops custom software solutions and provides IT staff augmentation services for international clients, primarily in the United States and Latin America. We partner with startups and high-growth companies to build high-impact digital products. Our culture is people-first, focused on technical quality, long-term relationships, and a collaborative mindset. We combine technical excellence with human proximity.

Senior AI Engineer (Agentic Systems & LLMs) | Contractor Global

General Information

Location: Remote (Global)

Contract Type: Contractor

Industry / Project: Fintech / Conversational AI & Agentic Workflows

Time Zone: Coordination with US / LATAM / Global teams

English Level: Advanced (C1)

About the Role

We are seeking a Senior AI Engineer specializing in LLMs and agentic architectures to join our core engineering team. In this role, you will be responsible for designing, building, and deploying end-to-end AI agents that integrate directly into business ecosystems to deliver tangible value. You will act as a subject matter expert on the latest generative AI advancements, establishing rigorous evaluation pipelines and optimizing prompt engineering, RAG, and tool connections for accuracy, speed, and cost efficiency.

Responsibilities

Agent Development & Deployment: Design, build, test, and deploy robust, stateful, and scalable AI agents using Python and modern frameworks (Google ADK, LangChain, LlamaIndex, CrewAI, OpenAI SDK, etc.).

End-to-End System Integration: Connect AI agents seamlessly with diverse data sources, internal services, and external APIs to deliver complete, high-value workflows.

LLM Evaluation & Optimization: Design and implement rigorous evaluation pipelines for LLM-powered agents, driving continuous testing and performance monitoring focused on accuracy, response speed, and cost efficiency.

Prompt Engineering & Custom Tooling: Apply advanced prompt engineering techniques and develop custom tools, Retrieval-Augmented Generation (RAG) architectures, and vector search systems to ensure grounded, reliable performance.

Technical Scrutiny & Leadership: Act as a subject matter expert on generative AI advancements, best practices, and protocols, guiding technical decisions across the agentic lifecycle.

4075 Wilson Blvd - 8th Floor Office 820 - Arlington VA 22203 / [phone]