**This is iPECS position/ Location is Gasan**
About this opportunity
We are looking for an experienced Backend Software Engineer (Software Architect) to lead the architectural evolution and modernization of our core backend services.
This role focuses on designing resilient, cloud-native backend systems and providing technical leadership while working closely with Cloud Architects, DevOps teams, and backend engineers.
This role plays an important part in shaping the long-term backend architecture of our core platforms.
iPECS는 핵심 백엔드 서비스의 아키텍처 고도화와 현대화를 주도할 **Backend Software Engineer(Software Architect)**를 찾고 있습니다.
본 포지션은 안정적이고 클라우드 네이티브한 백엔드 시스템을 설계하고, Cloud Architect, DevOps 팀, 백엔드 개발자들과 협업하며 기술적 리더십을 수행하는 역할입니다.
또한 iPECS의 핵심 플랫폼을 장기적인 관점에서 바라보고, 백엔드 아키텍처의 방향성과 기준을 만들어가는 데 중요한 역할을 담당합니다.
Key Responsibilities
- Redefine backend architecture of core services toward MSA and cloud-native approaches
- Establish and lead system refactoring standards considering resilience, continuous delivery, and observability
- Collaborate with Cloud Architects to design application architectures aligned with infrastructure structures
- Lead gradual modernization initiatives including legacy module decomposition, module boundary redesign, and API/domain model refinement
- Provide technical leadership through architecture decisions, code reviews, and development guideline definition
- Participate in defining technical roadmaps scalable to future team and service expansion
- Conduct PoCs for new technologies and drive internal technical knowledge sharing
- Participate in architectural decision-making considering security, performance, scalability, and cost efficiency
- Define service SLA/SLO standards and establish quality and reliability metrics
- 자사 핵심 서비스의 백엔드 아키텍처를 MSA / cloud-native 방향으로 재정의
- Resilience, Continuous Delivery, Observability를 고려한 시스템 리팩토링 기준 수립 및 주도
- Cloud Architect와 협업하여 인프라 구조에 적합한 애플리케이션 아키텍처 설계
- Legacy 모듈 분해, 모듈 경계 재설계, API 및 도메인 모델 정비 등 점진적 현대화(Migration) 설계 및 실행 리딩
- 아키텍처 의사결정, 코드 리뷰, 개발 가이드 수립 등 기술 리더십 수행
- 파트• 팀 단위 확장이 가능한 기술 로드맵 정의 참여
- 신규 기술 도입 시 PoC 수행 및 기술 공유• 전파 주도
- 보안, 성능, 확장성, 비용 효율을 고려한 아키텍처 의사결정 참여
- 서비스 SLA/SLO 기준 정의 및 품질• 안정성 관리 체계 수립
Required Qualifications
- 8+ years of experience in backend development and software architecture
- Strong hands-on experience in designing and building backend software architectures
- Experience designing or refactoring architectures for large-scale or mission-critical systems
- Solid understanding of cloud-native concepts such as resilience, scalability, CI/CD, and observability
- Good understanding of domain modeling, transactions, and data consistency
- Experience providing technical leadership or mentoring within development teams or projects
- Hands-on experience in backend system development and operations
- Experience designing inter-service communication using RESTful APIs and/or gRPC
- Practical experience working in collaborative development and code review environments
- 백엔드 개발 및 Software Architecture 설계 경력 8년 이상
- 소프트웨어 구조 설계 및 구축에 대한 hands-on 경험
- 대규모 트래픽 또는 미션 크리티컬 시스템의 아키텍처 설계/리팩토링 경험
- Resilience, Scalability, CI/CD, Observability 기반 cloud-native 설계 경험
- 도메인 모델링, 트랜잭션 및 데이터 일관성에 대한 이해
- 개발팀 또는 프로젝트 단위 기술 리딩 및 멘토링 경험
- 백엔드 시스템 개발 및 운영 경험
- RESTful API 및 gRPC 기반 서비스 간 통신 설계 경험
- 협업 중심 개발 문화 및 코드 리뷰 경험
Preferred Qualifications
- Experience designing and operating services in Kubernetes-based environments such as OpenStack
- Experience with Infrastructure as Code (IaC) in public cloud environments
- Experience with event-driven architectures or message-based communication (Kafka, RabbitMQ, etc.)
- Experience applying architectural patterns such as Domain-Driven Design (DDD) or Clean Architecture
- Experience collaborating closely with DevOps/Cloud teams, including CI/CD pipelines and monitoring
- Experience in project-level or team-level management
- OpenStack 등 Kubernetes 기반 환경에서의 서비스 설계 및 운영 경험
- Public Cloud 환경에서의 IaC 구성 경험
- 이벤트 드리븐 아키텍처 또는 메시 기반 통신(Kafka, RabbitMQ 등) 경험
- DDD, Clean Architecture 등 아키텍처 패턴 적용 경험
- DevOps/Cloud 팀과의 협업 경험(CD 파이프라인, 모니터링 등)
- 프로젝트 또는 팀 단위 운영 및 관리 경험
Why join Ericsson?At Ericsson, you'll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what's possible. To build solutions never seen before to some of the world's toughest problems. You'll be challenged, but you won't be alone. You'll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.
What happens once you apply? Click Here to find all you need to know about what our typical hiring process looks like.Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.
Primary country and city: Korea (the Republic of) (KR) || Seoul
Req ID: 783117
Skills Required
- 8+ years of experience in backend engineering and software architecture
- Hands-on experience in designing and building scalable systems
- Proven experience with large-scale or mission-critical systems
- Strong understanding of Cloud-native architecture
- Deep knowledge of domain modeling and consistency/transaction design
- Experience with RESTful API and gRPC-based service communication
- Experience in technical leadership or mentoring
- Strong collaboration and code review culture experience
What the Team is Saying
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Ericsson Compensation & Benefits Highlights
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Retirement Support — The U.S. 401(k) includes an automatic 3% company contribution plus matching (100% of the first 3% and 50% of the next 2%) with immediate vesting. An employee stock purchase plan and legacy pensions in some groups strengthen long‑term savings.
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Leave & Time Off Breadth — Generous PTO, paid holidays, sick time, bereavement leave, and a dedicated volunteer day are offered. Time‑off allotments can increase with tenure and are complemented by hybrid work where roles allow.
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Healthcare Strength — Medical, dental, vision, and mental‑health support are part of a comprehensive health and wellbeing offering. Wellness initiatives such as onsite gyms, fitness classes, and EAP access are available in certain locations.
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What We Do
Ericsson builds the digital connectivity the world relies on. Our technology underpins the mobile networks, platforms, and systems that billions of people, businesses, and societies depend on every day. We are a global leader in communications technology, delivering mobile network infrastructure, cloud software, and wireless connectivity solutions for service providers and enterprises worldwide. Our networks support connectivity across 180+ countries, helping power everyday communication as well as critical digital services at global scale. Connectivity has evolved far beyond consumer mobile use. Today, nearly 80% of the world’s population accesses the internet via mobile networks, and Ericsson is helping shape what comes next. We are advancing 5G and 5G Advanced, developing network APIs that open connectivity to the global developer ecosystem, and applying automation and AI to make networks more intelligent, efficient, and resilient. Ericsson was the first company to launch live 5G networks on five continents, and our 5G platform is now commercially live in 150+ networks across 60+ countries. We also support more than 36,000 enterprise customers, enabling secure, high-performance connectivity for industries such as manufacturing, aviation, logistics, utilities, and public safety, where reliability and performance are mission critical. Innovation is central to how we work. Ericsson has approximately 28,000 employees in research and development, backed by one of the strongest intellectual property portfolios in the industry with 60,000+ granted patents. Our engineers, researchers, and technologists work across 100+ global R&D sites, helping define how networks evolve and how digital infrastructure is built for the long term. As the world moves toward a mobile-first, AI-powered, and cloud-driven future, connectivity becomes the foundation for digital transformation across every industry. Ericsson is building that foundation, shaping the future of digital connectivity through technology that operates at global scale and supports real-world impact, today and for what comes next.
Why Work With Us
Ericsson is a place for people who want to work on technology that powers everyday life. You’ll contribute to large-scale systems used every day, tackle complex challenges in live environments, and keep developing your skills and career in your own vision.
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