BJAK

Product Designer

• Lead end-to-end design for one or more AI product surfaces, from early concept to production
• Design key user flows that make advanced AI capabilities feel simple, natural, and usable
• Partner closely with product, engineering, and AI teams to explore problems, test ideas, and ship fast
• Create wireframes, user flows, prototypes, and high-fidelity UI for web and mobile
• Rapidly prototype and iterate on new interaction models, especially for AI-driven experiences
• Conduct usability testing and synthesize insights to refine product direction
• Help define and evolve A1’s design system to support speed, consistency, and scalability
• Advocate relentlessly for the user while balancing product velocity and technical constraints

Product Designer, UX

Backend Engineer

• Develop high-quality back-end in Node.js for web application.
• Familiar with front end JavaScript web technologies such as ReactJS, NextJS or AngularJS.
• Maintain and bug fixing for existing backend and web system.
• Support internal and external users.
• Implement features based on requirements from product owners.
• Analyze, fix issues and improve software quality.
• Mentor, provide guidance and best practice advice to the team.

Lead Software Engineer, JavaScript/TypeScript

• NodeJS를 사용하여 고품질의 백엔드 시스템을 개발하고, 모범적인 코딩 관행을 준수
• 운영 안정성을 확보하고, 중요 이슈를 신속히 해결하여 비즈니스 영향 최소화
• 기존 코드를 분석하여 개선 및 최적화 기회를 식별
• 변경 요청을 효율적으로 처리하여 크로스펑셔널 팀 지원
• 주니어 개발자들에게 소프트웨어 개발의 베스트 프랙티스를 멘토링 및 지도
• 동료의 풀 리퀘스트 리뷰를 통해 코드 품질 및 일관성 유지

Senior Backend Engineer, Node.js

• Design, develop, and maintain scalable backend systems and APIs.
• Collaborate with front-end developers, product managers, and other stakeholders to deliver high-quality software solutions.
• Optimize application performance and ensure scalability and reliability.
• Write clean, efficient, and maintainable code following best practices and coding standards.
• Participate in code reviews and provide constructive feedback to peers.
• Troubleshoot and debug issues to ensure smooth operation of production systems.
• Stay up-to-date with emerging technologies and industry trends.

Senior Backend Engineer, NodeJs

Senior Software Engineer, JavaScript/TypeScript

• Develop high-quality backend systems using NodeJS, adhering to best coding practices.
• Develop high-quality frontend applications using ReactJS / NextJS, adhering to best coding practices.
• Ensure production stability and promptly resolve critical issues to minimize operational impact.
• Analyze existing code and identify opportunities for enhancement and optimization.
• Support cross-functional teams by addressing change requests efficiently.
• Mentor and guide junior developers on best practices in software development.
• Review peer pull requests to maintain code quality and consistency.

• NodeJSを用いた高品質なバックエンドシステムの開発（ベストプラクティスの遵守）
• ReactJS／NextJSを用いた高品質なフロントエンドアプリケーションの開発（ベストプラクティスの遵守）
• 本番環境の安定性を確保し、重大な問題を迅速に解決して業務への影響を最小化
• 既存コードを分析し、改善・最適化の機会を特定
• 変更要求に効率良く対応し、クロスファンクショナルチームを支援
• ジュニア開発者へのメンター・指導を通じてベストプラクティスを浸透
• ピアのプルリクエストをレビューし、コード品質と一貫性を維持

フルスタックエンジニア, JavaScript/TypeScript

• NodeJS를 사용하여 고품질의 백엔드 시스템을 개발하고, 코딩 베스트 프랙티스를 준수
• ReactJS 및 NextJS를 사용하여 고품질의 프론트엔드 애플리케이션 개발
• 운영 환경의 안정성을 확보하고, 중요한 문제를 신속하게 해결하여 비즈니스 영향을 최소화
• 기존 코드 분석을 통해 개선 및 최적화 기회 발굴
• 크로스펑셔널 팀의 변경 요청을 효율적으로 처리하여 협업 지원
• 주니어 개발자를 멘토링하며, 소프트웨어 개발 베스트 프랙티스를 전수
• 동료의 코드 리뷰를 통해 코드 품질과 일관성을 유지

시니어 소프트웨어 엔지니어, JavaScript/TypeScript

Graphics Designer

• Create static visuals, short-form videos, and marketing assets that drive performance and leave a lasting impression.
• Design creative assets for marketing campaigns, social media, web, and paid ads (static and motion).
• Translate creative briefs into clean, bold, conversion-focused visuals.
• Use AI tools such as Midjourney, DALL·E, or Runway to support visual ideation and production.
• Collaborate remotely with content, video, product, and performance marketing teams.
• Adapt and optimize visuals based on performance data and feedback.
• Maintain strong visual consistency across all BJAK brand touchpoints.
• Support product and growth initiatives with visuals that clearly communicate value.

Product Designer, UX

Lead Software Engineer, JavaScript/TypeScript

Senior Backend Engineer, Node.js

Senior Backend Engineer, NodeJs

Senior Software Engineer, JavaScript/TypeScript

Senior Software Engineer, JavaScript/TypeScript

フルスタックエンジニア, JavaScript/TypeScript

시니어 소프트웨어 엔지니어, JavaScript/TypeScript

Graphic Designer