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At Ericsson, you can be a game changer! Because working here isn’t just a deal. It’s a big deal. This means that you get to leverage our 140+ years of experience and the expertise of more than 95,000 diverse colleagues worldwide. As part of our team, you will help solve some of society´s most complicated challenges, enabling you to be ‘the person that did that.’ We’ve never had a greater opportunity to drive change; setting the bar for technology to be inclusive and accessible; empowering an intelligent, sustainable, and connected world.

Are you in?

WebRTC UC & Collaboration Developer

Job Description

Date: May 6, 2020

[Ericsson-LG Enterprise] WebRTC UC & Collaboration Developer


에릭슨엘지 엔터프라이즈는 40 이상의 오랜 통신기술 노하우를 바탕으로 최적의 기업용 솔루션을 제공해 고객과 파트너의 만족을 추구하는 글로벌 선도 기업입니다. 기업 커뮤니케이션 솔루션 브랜드인 'iPECS' 통합 커뮤니케이션(Unified Communication) 위한 모든 솔루션을 제공합니다.

중소규모 기업에서부터 대규모 기업에 이르기까지 다양한 기업 환경에 적용할 있는 커뮤니케이션 솔루션을 제공하고 있으며, 기업이 음성, 비디오 인스턴트 메시징(IM)간의 경계를 넘어 업무 효율성과 생산성을 높일 있도록 모바일과 데스크탑을 모두 지원하는 UC 솔루션을 제공합니다.

혁신적이고 지속적인 연구개발을 바탕으로 iPECS 고객의 요구와 기대에 부합할 있도록 최적화되고 다양한 제품과 솔루션을 공급하며, 국내외 통신 솔루션을 선도하는 브랜드로 자리매김해 나간다는 목표를 가지고 있습니다. 아래 링크를 통해 많은 정보를 탐색해 보세요.





Job Title:

WebRTC UC & Collaboration Backend Developer



Our Exciting Opportunity:

We are now looking for developers to develop WebRTC UC (Unified Communications) product based on Node.js, React.js and Docker. Your role will include all development activities such as; requirement analysis, system & architecture design, software design & implementation, integration and product documentation. Our focus is on Lean and Agile ways of working. We organize in cross functional development teams in which continuous improvement, innovation, and knowledge sharing is part of the daily work.


Ericsson-LG 엔터프라이즈에서 WebRTC UC (Unified Communications) 제품을 개발할 개발자를 모십니다. 제품은 Node.js, React.js 그리고 Docker 기반으로 개발됩니다. 역할은 요구사항 분석, 시스템 & 아키텍처 설계, 소프트웨어 설계 & 구현, 통합 제품 문서화와 같은 모든 개발 활동을 포함합니다.



You will,

  • Develop UC & Collaboration features based on WebRTC
  • Be responsible Node.js and JavaScript based server development for API/DB and UC features
  • Be responsible multimedia communication development such as voice/video conferences, messaging and screen sharing
  • Perform continuous analysis and requirement handling
  • Perform troubleshooting and customer support
  • Develop competence in technical domain


  • WebRTC 기반의 UC & Collaboration 기능 개발
  • Node.js & JavaScript 기반의 API/DB UC 기능 UC 서버 개발
  • 음성/화상회의, 메시징, 화면/파일 공유 멀티미디어 통신 개발
  • 지속적인 분석 요구 사항 처리
  • 문제 해결 고객 지원 수행
  • 기존 새로운 기술 영역 역량 개발



To be successful in the role, you must have:

  • Education: Bachelor’s degree or above
  • Min. years of experience: 2+ years of experience in development of JavaScript application based on Node.js/Docker, React.js/React Native
  • Domain experience: Linux, JavaScript, Node.js, React.js, Docker, Python, WebRTC Media, Low-level Media API, RESTful
  • Understanding in Test-Driven Development & Git branch strategy
  • Co-working experience
  • Business level communication skill in both Korean and English


  • 학력: 학사 이상
  • 경력: 최소 2 이상 자바스크립트 어플리케이션 개발 경험 보유하신 (React.js/React Native, Node.js/도커)
  • 기술 분야: 리눅스, 자바스크립트, Node.js, React.js, 도커, 파이썬, WebRTC 미디어, Low-level Media API, RESTful
  • VoIP (SIP/RTP) & IPv6 경험 선호
  • 테스트 주도 개발 Git branch 전략에 대한 이해
  • 협업 능력
  • 비즈니스 수준의 한국어 영어 활용 능력



Recruitment Process:

  • End of Application: Open until Filled (Encouraged to apply immediately)
  • Application Review: Notified Individually
  • 1st Interview & Coding Test: Notified Individually
  • 2nd Interview: Notified Individually
  • The recruitment process may be different depending on the job and may be changed due to scheduling and circumstances. Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage.


  • 지원 마감: 채용 마감 (빠른 지원 요망)
  • 서류 전형: 개별 리뷰 안내
  • 1 인터뷰: 개별 리뷰 안내
  • 2 인터뷰: 개별 리뷰 안내
  • 전형 내용/일정은 회사 사정에 의하여 변경될 있으며 합격/탈락하신 분께는 이메일로 개별 통보 드립니다.
  • 1 인터뷰 코딩테스트가 함께 진행됩니다.




  • 선택적 근로시간제도 (Flexible Working Hour)
  • 중식 제공 (Free Lunch)
  • 경조휴가 경조금 (Congratulations and Condolences)
  • 의료비 지원 (Employee Medical Expense Subsidy)
  • 임직원 단체보험 (Group Insurance)
  • 학자금/보육비 지원 (Children Education Subsidy)
  • 종합 건강 검진 (Medical Check-up)
  • 주택 자금 대출 (Housing Loan)
  • 휴양시설 (Condominium)
  • 선택적 복리후생제도 (Cafeteria Benefit)




  • Location: Ericsson-LG Enterprise (LG Gasan Digital Center) 에릭슨엘지 엔터프라이즈 (가산디지털단지역 LG가산디지털센터)
  • Salary: Negotiable 면접 협의 (Annual Base Salary + Variable Incentive)
  • Type of Employment: Regular 정규직 (수습기간 3개월)
  • How to Apply 지원 방법
    • Click ‘Apply’ and submit your resume in 1 file (doc, pdf) 자유 양식의 국문 이력서, 영문 resume, 국문 자기소개서(혹은 영문 cover letter) 1개의 doc 혹은 pdf 파일로 작성하여 Resume’에 업로드
  • Not ready to apply, or have some questions first? Feel free to email us at for more information.
  • This job post may be closed early if all openings are filled.
  • If there is any false information in the application, the offer may be cancelled.
  • 입사 지원 궁금하신 점이 있다면 으로 문의 바랍니다.
  • 해당 포지션은 채용 마감될 있습니다.
  • 지원서 작성 신체 조건, 출신 지역, 혼인 여부, 재산 가족의 학력, 직업, 재산 직무와 관련 없는 정보의 기재를 금지합니다.



What’s in it for you?

With over 90,000 employees across 180+ countries, we have a culture that respects and supports your ambitions, in alignment with our values of Respect, Professionalism and Perseverance. Ericsson is extremely focused on learning and development, supports mobility and flexible working hours. We are also committed to diversity and inclusion and to be a responsible and relevant driver of positive change. We also offer some awesome benefits, amazing career development and training programs to provide an empowered career in a connected world.



What happens next once you apply?

Read about the next steps here.

For your preparation and reference, here is our overall Brand video and some insights about our innovations in 5G.



Why is Ericsson a great place to work?

Ericsson enables communications service providers to capture the full value of connectivity. The company’s portfolio spans Networks, Digital Services, Managed Services, and Emerging Business and is designed to help our customers go digital, increase efficiency, find new revenue streams, and create new user experiences. Ericsson’s investments in innovation have delivered the benefits of telephony and mobile broadband to billions of people around the world ensuring our solutions – and our customers – are at the forefront of innovation. We support networks that connect more than 2.5 billion subscribers. With over 100,000 employees and customers in 180 countries, we combine global scale with technology and service leadership. 40 percent of the world’s mobile traffic is carried over an Ericsson network. And, our Technology for Good and Connect to Learn programs include creating technology that makes it easier to save lives, feed societies, bring technology to emerging markets and connectivity to remote areas, and grow businesses and prosperity.

At Ericsson, we give our employees the freedom to think big and navigate their career, on a global scale. We create technology that helps others, from helping people enjoy their favourite content to helping people recover from natural disasters by enabling better communications between rescue workers. Your ideas and innovations can turn into achievements that impact society and change the world, creating new connections, new possibilities, and new capabilities. We find that Ericsson is at its best when we bring together the diverse skills of our people. Working across business areas, across cultures, across geographical borders, across technical disciplines. More often than not, across ground-breaking solutions. Next generation technology can be staggeringly complex. But the simpler it is to use; the more people benefit from it. Join us and help build technology that makes it simple to connect with information, business, societies, and each other.


Ericsson provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, marital status, pregnancy, parental status, national origin, ethnic background, age, disability, political opinion, social status, veteran status, union membership or genetics.

Ericsson complies with applicable country, state and all local laws governing nondiscrimination in employment in every location across the world in which the company has facilities. In addition, Ericsson supports the UN Guiding Principles for Business and Human Rights and the United Nations Global Compact.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, training and development.

Ericsson expressly prohibits any form of workplace harassment based on race, color, religion, sex, sexual orientation, marital status, pregnancy, parental status, national origin, ethnic background, age, disability, political opinion, social status, veteran status, union membership or genetic information.


Primary country and city: Korea, Republic of (KR) || || Seoul || R&D

Req ID: 389164