Senior Backend Engineer
Dunamu provides blockchain services centered on a leading Korean digital-asset exchange. It also offers investment information and trading services for Korean, U.S., and unlisted stocks.
Funding history
Projects
About Dunamu
Dunamu operates blockchain services focused on providing a safe and transparent digital-asset trading environment, beginning with Korea’s largest digital-asset exchange. The company also provides investment-related information and securities services, including platforms for Korean, U.S., and unlisted stocks. Its website highlights Upbit and Stockplus among its associated services.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
Design, develop, and operate backend architectures for large-scale digital-asset transactions and customer-facing services, ensuring consistency, idempotency, security, compliance, reliability, and scalability.
Requirements
- 7+ years of experience designing, developing, and operating backend architectures for customer-facing services.
- 5+ years of backend service development experience with Spring, Kotlin, or Java.
- Experience using AI coding agents for code writing, testing, refactoring, and output validation.
- Experience operating high-traffic or highly available services and improving performance and reliability.
- Experience designing systems in an MSA environment with service communication, data consistency, and fault isolation considerations.
- Advanced understanding of operating systems, databases, networks, and infrastructure-layer principles.
- Familiarity with scripting languages such as Ruby or Python.
Responsibilities
- Design and implement architectures for high-volume asset transactions, including trading, deposits, and withdrawals.
- Integrate with banking and blockchain systems to process customer asset transactions accurately.
- Record, manage, and prepare transaction data for use by related departments.
- Design and implement backend architectures for customer-facing services.
- Clarify complex business requirements with planning, operations, legal, and compliance stakeholders.
- Ensure transaction consistency and idempotency in scalable architectures.
- Design resilient, self-healing systems in MSA and distributed infrastructure environments.
- Analyze logs and monitoring metrics to prevent, detect, investigate, and prevent recurrence of incidents.
- Write effective test code for exception cases and boundary conditions.
- Design systems that protect customer assets under a zero-trust security model.
- Integrate compliance requirements including Travel Rule, AML, and FDS systems.
Hiring Process
서류전형 → 전화인터뷰 → 1차면접 → 2차면접 → 처우협의 → 최종합격. 최종 전형 전 인성검사를 진행하며, 전형은 상황 및 일정에 따라 변경될 수 있습니다.
