AI Engineer, Multimodal LLMs

Job Description
Meet Eloquent AI

At Eloquent AI, we are building the future of enterprise AI agents, designed to handle high-stakes conversations with human-quality precision. Our AI-driven solutions help businesses enhance customer experience, boost sales and drive revenue by engaging in intelligent, action-driven dialogues.

We believe that every conversation matters-whether it's closing a deal, assisting a high-value customer, or providing mission-critical support. That's why we develop autonomous AI agents that don't just chat, but empathise, take action, and deliver real business impact.

As a fast-growing global company headquartered in San Francisco, we have a strong presence across multiple regions. Joining Eloquent AI means collaborating with some of the brightest minds in AI, engineering, and business to tackle complex challenges and drive real-world impact for leading enterprises.

Your Role

As an AI Engineer at Eloquent AI, you will be at the forefront of building, deploying, and optimizing enterprise-grade AI agents that handle high-stakes conversations. You'll work directly with software engineers, deep learning experts and AI researchers to design intelligent agents that understand, take action, and deliver real business impact.

This role requires a mix of software development, AI integration, and problem-solving skills, with the ability to customize, optimize, and scale AI models for real-world enterprise applications. If you're passionate about LLMs, conversational AI, and solving last-mile AI adoption challenges, this role is for you.

You will:

• Build, deploy, and optimize AI agents that engage in enterprise-grade conversations.
• Design & develop next-gen multimodal LLM architectures (LLMs, speech, vision, reinforcement learning)
• Explore optimal trade-offs between model quality and efficiency when translating research into practical solutions
• Refine training paradigms for real-world applications
• Integrate AI agents with enterprise systems via APIs, databases, and automation tools.
• Experiment rapidly to improve AI-driven interactions, response quality, and automation capabilities.
• Collaborate with cross-functional teams (engineering, research, and product) to shape Eloquent AI's roadmap.
• Monitor and improve agents' performance via user simulations and evaluations.

Requirements

• 3+ years of experience in software development, AI engineering, or NLP in a production environment.
• Strong proficiency in Python, with experience in frameworks like PyTorch and TensorFlow.
• Experience working with LLMs or large computer vision models, or generative AI models, including fine-tuning and inference optimization.
• Familiarity with APIs, cloud infrastructure (AWS, GCP, or Azure), and enterprise integrations.
• Ability to prototype, experiment, and iterate quickly to improve AI agents.
• Strong problem-solving skills and the ability to work closely with customers to refine AI solutions.
• Solid mathematical foundation of machine learning and deep learning techniques

Bonus Points If...

• You have experience with prompt engineering, parameter-efficient fine-tuning (PEFT), retrieval-augmented generation (RAG), reinforcement learning for LLMs.
• You've published AI research in top tier AI conferences like: NeurIPS, ACL, SIGIR, ICML and ICLR.
• You've contributed to open-source NLP projects.
• You've worked in a fast-paced startup environment and thrive in rapid iteration cycles.

Benefits

At Eloquent AI, we offer a dynamic environment with opportunities for professional growth and continuous learning. Our benefits package is designed to support both our U.S. and international team members, ensuring flexibility and well-being across regions.

• Flexible paid time off
• Medical, dental, and vision insurance for U.S. employees
• 401(k) plan with employer match for U.S. employees
• Work from abroad program
• Learning & development opportunities including paid sabbatical for research
• Regular international team events to collaborate with colleagues from around the world
• On-site perks including lunch, premium coffee, and delicious snacks
• Charity day to give back to our community

These benefits are outlined in Eloquent AI's policies and may be updated in accordance with applicable compensation and benefits plans. Specific offerings may vary by country. Eligible full-time employees may also have the opportunity to participate in Eloquent AI's equity plans, subject to the terms and conditions of the relevant policies.

Our Values

AI You Can Trust

At Eloquent AI, we believe that true power lies in control, accuracy, and trustworthiness. AI must be precise, reliable, and aligned with human needs, especially in high-stakes applications where accuracy is non-negotiable. We build AI systems that businesses and individuals can depend on-solutions that consistently deliver the right response at the right time. Our mission is to harness AI to serve humanity, ensuring that it remains a tool for empowerment rather than a force beyond human control.

Customer-Centric Innovation

At Eloquent AI, we drive cutting-edge developments to tackle the real-world challenges enterprises face-delivering AI solutions that are not only innovative but also practical, scalable, and impactful. We prioritize simple, effective solutions over unnecessary complexity, valuing empiricism and pragmatism in everything we do. By continuously refining our technology based on real customer needs, we ensure that AI serves businesses in a tangible, results-driven way.

Measure, Learn, Improve

If you can't measure it, you can't improve it. Data-driven decision-making is central to Eloquent AI. We continuously evaluate performance, gather insights, and iterate. Our agent architecture and LLM models evolve through rigorous evaluations, ensuring they remain reliable, adaptable, and effective across research, engineering, and customer applications.

Own the Outcome

Eloquent AI fosters a culture of ownership, action, and perseverance. We empower our people to take initiative, embrace responsibility, and drive meaningful impact. In a fast-moving field, our team acts decisively, adapts swiftly, and pushes forward to achieve our mission.

Multi-Disciplinary Collaboration

Collaboration is the foundation of our success. AI is a multidisciplinary field, and the best solutions emerge when experts across domains come together to share knowledge and insights. At Eloquent AI, we foster a culture of open dialogue, cross-functional teamwork, and collective problem-solving.

If you're passionate about AI, technology, and shaping the future of high-stakes conversations, we want to hear from you. Let's build something extraordinary-together.