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Applied AI Engineer

Delight.aiSeoul, South Korea
On-site Full-time

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Experience Level

Experience

Qualifications

We are looking for candidates with:Experience in applied AI and machine learning technologies. Strong programming skills, particularly in Python or Java. Familiarity with LLMs and agentic systems. Proven ability to work collaboratively in a fast-paced environment. A passion for innovation and a desire to contribute to cutting-edge AI solutions.

About the job

The landscape of AI agents is rapidly evolving. While many companies are still determining their direction, we have a clear vision and are seeking a talented individual to help us realize it.

About Us

Delight.ai is dedicated to shaping the future of customer experience through AI. For over a decade, we have developed robust infrastructure for communication, covering chat, voice, video, and messaging APIs, establishing ourselves as the leading CPaaS platform for in-app communications. Trusted by over 4,000 brands, our platform processes an astonishing 7 billion messages each month, engaging 300 million active users.

Our technology has powered customer interactions for industry giants such as DoorDash, Match Group, Noom, Yahoo Sports, and Rakuten. We excel in our field, truly excelling.

Recognizing early on that AI would revolutionize business-customer communication, we understood that our decade of infrastructure would soon be commoditized. The real value would shift towards intelligence, enhancing customer experiences and driving outcomes.

Faced with a choice to safeguard our existing achievements or evolve, we chose the path of transformation.

In December 2024, we pivoted fully to an AI-first approach in customer experience. By February 2025, we had launched our enterprise AI agent, leveraging a decade’s worth of conversation data, now enhanced with advanced intelligence. In November 2025, we rebranded to Delight.ai.

Our name encapsulates our mission. The true potential of AI lies not solely in efficiency or cost reduction, but in restoring to customers the invaluable feeling of being genuinely understood and valued. Not merely satisfied, delighted.

Our Product

Delight.ai serves as the AI concierge for customer interactions. Unlike typical AI agents that forget users after a conversation ends, our solution builds lasting memory, learns preferences, and maintains context across all channels, whether it’s chat, SMS, email, voice, or WhatsApp, ensuring a seamless experience. Our goal is to create AI that makes customers feel acknowledged, appreciated, and remembered.

Why We Need an Applied AI Engineer

The next evolution of AI extends beyond chatbots responding to FAQs. We are developing agents that can reason, retain information, and act proactively and accurately at scale. We need a skilled engineer to construct the underlying framework that will support this innovation.

This role merges research with real-world application. You will harness the latest advancements in LLMs, RAG, and agentic systems to create features that enterprise clients rely on daily, not just prototypes, but fully deployed and scalable solutions. Additionally, you will be expected to leverage AI tools within your workflow, automating processes, connecting APIs, and utilizing agentic CLIs to enhance your output, achieving results that far exceed what any individual engineer could accomplish alone.

About Delight.ai

Delight.ai is on a mission to redefine customer experience through the power of AI. With a decade of experience in communication infrastructure, we are committed to delivering intelligent solutions that enhance how businesses interact with their customers. Our innovative approach has garnered trust from thousands of brands and continues to lead the market in delivering exceptional user experiences.

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