[About the role]
This role is for someone who thrives at the intersection of great engineering and great product thinking. You'll design and ship robust frontend solutions, contribute to SDK development, and collaborate across teams to bring complex features to life seamlessly. Someone who takes full ownership, sweats the details, and raises the engineering culture around them will do exceptionally well here.
[Key Responsibilities]
- Minimum 7 years of professional frontend development experience
- Proven experience designing and shipping SDKs, including public API design, versioning strategy, and backward compatibility
- Strong proficiency in JavaScript/TypeScript and deep understanding of frontend architecture
- Solid experience with MVVM or similar architecture patterns in production environments
- Experience working with RESTful APIs, including network request lifecycle, error handling, and API versioning
- Hands-on experience with authentication and session management (e.g., OAuth, token-based auth, refresh token rotation)
- Experience with data synchronization strategies and offline-first design
- Proven ability to review and discuss API specifications (OpenAPI/Swagger) and provide mobile/client-friendly feedback to backend teams
- Proficiency with debugging tools such as Charles Proxy, Postman, or Wireshark for end-to-end issue diagnosis
- Solid experience with Git and version control best practices
- Experience with media-related frontend features
- Track record of leading code reviews, mentoring junior developers, and establishing engineering best practices
- Demonstrated ability to own features end-to-end from concept through deployment, collaborating closely with product managers, designers, and backend engineers
[Required Experience]
- Advanced understanding of browser/platform internals, system-level APIs, and performance optimization techniques
- Expertise in WebSocket technologies and real-time communication architecture design
- Experience with low-latency streaming, adaptive bitrate streaming (HLS/DASH), and related protocols
- Deep knowledge of audio codecs, audio processing, and audio/video synchronization techniques
- Prior experience designing and implementing custom media pipelines
- Experience with WebRTC or similar peer-to-peer communication technologies
- Familiarity with Web Audio API or media player SDK development
- Experience publishing and maintaining npm packages
- Contributions to open-source frontend projects
- Technical blog posts, conference talks, or other public knowledge-sharing activities
Skills Required
- Minimum 7 years professional frontend development experience
- Proven experience designing and shipping SDKs including public API design and versioning strategy
- Strong proficiency in JavaScript and TypeScript
- Deep understanding of frontend architecture and MVVM or similar patterns
- Experience working with RESTful APIs, network lifecycle, error handling, and API versioning
- Hands-on experience with authentication and session management (OAuth, token-based auth, refresh token rotation)
- Experience with data synchronization strategies and offline-first design
- Ability to review and discuss OpenAPI/Swagger specifications and provide client-friendly feedback
- Proficiency with debugging/network tools such as Charles Proxy, Postman, or Wireshark
- Solid experience with Git and version control best practices
- Experience with media-related frontend features and media player SDK development
- Track record of leading code reviews, mentoring junior developers, and establishing engineering best practices
- Ability to own features end-to-end from concept through deployment
- Advanced understanding of browser/platform internals, system-level APIs, and performance optimization
- Expertise in WebSocket technologies and real-time communication architecture
- Experience with low-latency streaming, adaptive bitrate streaming (HLS/DASH), and related protocols
- Deep knowledge of audio codecs, audio processing, and audio/video synchronization
- Prior experience designing and implementing custom media pipelines
- Experience with WebRTC or similar peer-to-peer communication technologies
- Familiarity with Web Audio API
- Experience publishing and maintaining npm packages
- Contributions to open-source frontend projects
- Technical blog posts, conference talks, or other public knowledge-sharing activities
What We Do
Headquartered in South Korea, KRAFTON, Inc. is dedicated to discovering and publishing captivating games that offer fun and unique experiences. Established in 2007, KRAFTON is home to globally renowned developers that include Striking Distance Studios, Unknown Worlds, VECTOR NORTH, Neon Giant, KRAFTON Montréal Studio, Bluehole Studio, RisingWings, 5minlab, Dreamotion, ReLU Games, and Flyway Games. Each studio strives to continuously take on new challenges and leverage innovative technologies with a goal to win over more fans by broadening KRAFTON’s platforms and services. KRAFTON India has established itself as a trailblazer in the gaming industry, driven by its unwavering commitment to delivering distinctive and enjoyable gaming experiences. We take immense pride in our premier entertainment properties that include highly popular titles like BATTLEGROUNDS MOBILE INDIA (BGMI), Road To Valor: Empires, Garuda Saga, Defense Derby, New State Mobile. These games have not only captured the hearts of Indian players but have also played a pivotal role in fostering a thriving e-sports ecosystem in the country. By organizing India-centric events and delivering localized content, KRAFTON India has made substantial contributions to the growth of e-sports in India. With an active investment approach, KRAFTON India has strategically channeled over $150 million into the Indian market over between 2021 to 2023 and recently announced another 150$ million to the Indian start-up ecosystem for the next two years. These investments primarily target gaming, technology start-ups, and media and entertainment sectors. With an India-first approach, KRAFTON remains committed to fostering holistic growth of the gaming and startup ecosystem in the country and as a part of this objective, KRAFTON launched KRAFTON India Gaming Incubator in October 2023 (KIGI).
