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Senior Software Engineer, AI Agent

SendbirdSeoul, South Korea
On-site Full-time

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Experience Level

Senior

Qualifications

We are looking for passionate individuals with a strong background in software engineering, particularly in AI and machine learning. Candidates should have experience with:Designing and implementing scalable AI systemsWorking with large language models (LLMs)Building and optimizing complex pipelinesCollaborating in an agile team environmentStrong problem-solving skills and the ability to think critically

About the job

Join us at the forefront of agentic AI, where you'll be part of a team that builds intelligent systems capable of deep understanding. At Sendbird, we are not just developing prototypes; we are deploying AI solutions at scale that genuinely think and adapt.

About Sendbird

Sendbird is committed to shaping the future of AI-driven customer interactions. With over a decade of experience in creating robust infrastructures for chat, voice, video, and messaging APIs, we've established ourselves as the leading CPaaS platform for in-app communications. Trusted by over 4,000 brands and facilitating 7 billion messages monthly, we connect 300 million active users.

Our clients include industry leaders like DoorDash, Match Group, Noom, Yahoo Sports, and Rakuten. Our track record speaks for our expertise and excellence.

Recognizing the transformative potential of AI in customer communication, we pivoted to an AI-first strategy in December 2024, launching our AI agent for enterprise customer experience by February 2025. Our rebranding to Delight.ai in November 2025 encapsulates our mission: to not just enhance efficiency, but to restore the essence of personalized service—creating delightful experiences for customers.

About Delight.ai

Delight.ai acts as the AI concierge for customer interactions, ensuring continuity and understanding across various channels. Unlike other AI agents, our solution retains memory, learns individual preferences, and maintains context—delivering a truly personalized experience.

Why Join as a Senior Software Engineer, AI Agent?

In an industry filled with superficial solutions, Sendbird's AI Agent platform stands out for its robustness, scalability, and genuine intelligence. This is not just maintenance work; you'll shape the core platform, designing orchestration, RAG pipelines, evaluation, and observability that will impact millions of customer interactions for years to come.

About Sendbird

Sendbird is a pioneering company on a mission to redefine customer experience through AI. With a legacy of over a decade in creating communication infrastructures, we are now transforming the way businesses engage with their customers, ensuring every interaction is meaningful and memorable.

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