The Company Sendbird is on a mission to build the AI workforce of tomorrow. For over a decade, we built the infrastructure behind conversations—chat, voice, video, messaging APIs—and became the #1 CPaaS platform for in-app communications. 4,000+ brands trust us. 7 billion messages flow through our platform every month. 300 million monthly active users. We powered conversations for DoorDash, Match Group, Noom, Yahoo Sports, Rakuten, and thousands of others. We were good at what we did. Really good. We also saw it early: AI would fundamentally reshape how businesses talk to customers. The infrastructure we'd spent a decade building would become commoditized. The value would move up the stack—into intelligence, into experience, into outcomes. We had a choice: protect what we built, or reinvent ourselves. We chose reinvention. In December 2024, we made the full strategic pivot to AI-first customer experience. By February 2025, we'd launched our AI agent for enterprise CX—built on a decade of conversation data, now with intelligence on top. And in November 2025, we rebranded to delight.ai. The name says it all. AI's real promise isn't efficiency or cost savings. It's giving customers back something they lost—the feeling of being truly understood and cared for. Not satisfied. Delighted The Product Delight.ai is the AI concierge for customer experience. Most AI agents forget you the moment the conversation ends. Ours doesn't. Delight.ai builds memory over time, learns preferences, and connects context across every channel without losing the thread. We're building AI that makes customers feel understood, seen, and remembered. The Role The Technical Writing team at Sendbird empowers developers to build successful businesses on our platform by delivering high-quality content — from documentation and user guides to tutorials, UI text, and beyond. As a Technical/UX Writer, you'll be at the center of the developer experience, transforming complex technical concepts into content
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Role overview
Job description
The Company Sendbird is on a mission to build the AI workforce of tomorrow. For over a decade, we built the infrastructure behind conversations—chat, voice, video, messaging APIs—and became the #1 CPaaS platform for in-app communications. 4,000+ brands trust us. 7 billion messages flow through our platform every month. 300 million monthly active users. We powered conversations for DoorDash, Match Group, Noom, Yahoo Sports, Rakuten, and thousands of others. We were good at what we did. Really good. We also saw it early: AI would fundamentally reshape how businesses talk to customers. The infrastructure we'd spent a decade building would become commoditized. The value would move up the stack—into intelligence, into experience, into outcomes. We had a choice: protect what we built, or reinvent ourselves. We chose reinvention. In December 2024, we made the full strategic pivot to AI-first cu
…What they are looking for
Skills & requirements
Qualification
Bachelor's degree or equivalent experience. Contract Period : 6month Added value Background in Computer Science, Technical Writing, or a related field. Experience with AI or SaaS product development. Familiarity with API, SDK, or any programming languages such as Swift, Kotlin, or JavaScript. Our KR benefits include (but are not limited to) Be Your Best Self: 3.9 million won (prorated by start date) for expenses ranging from professional development classes and training, to personality assessments, to gym memberships, to books, to fitness classes, to mental health services, to massages Annual cash-equivalent special welfare points of 200,000 KRW for Seollal and Chuseok holidays each Learn a Language benefit - up to 3.6 million won per year towards language lessons Weekly team lunch Monthly team building cost Partial support for commuting costs Free parking at the Seolleung office Group insurance support that covers employees, spouses, and children Medical checkup support, including MRI and genetic testing - for the employee and one family member Seven additional paid holidays in addition to annual leave (Boost leave, Birthday leave, etc.) Support for the latest work devices, such a
Department · Engineering
Hiring company
Sendbird
At Sendbird, our mission is to build connections in a digital world. We believe that digital doesn’t have to mean impersonal. That physical boundaries shouldn’t create relationship boundaries. We believe in authenticity over superficiality, and in conversations over text messages. Conversations over digital media bring incredible promise to bridge people together over physical, cultural, and even language divides. Unfortunately, people and businesses looking to connect digitally have to make a choice between the impersonal experience served by email and plain text messages over legacy SMS systems or trusting their identity and data to a handful of messenger monopolies. The result is the connections we make digitally have become increasingly transactional and superficial. We are here to change that. We’re a Y Combinator alumnus (W16) and have raised over $120M from leading investors including ICONIQ Capital, Tiger Global Management, Shasta Ventures, August Capital, and FundersClub. We are headquartered in San Mateo, CA, and also have offices around the world including Seoul, New York City, London, and Singapore.
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