Domain-to-spec execution
I organize business rules, status transitions, access roles, and reporting needs before turning them into backend behavior.
Profile
Cloud-Native Backend Engineer
I work where backend implementation meets cloud infrastructure: Java/Spring Boot services, data flow integrity, Kubernetes-oriented deployment, and Azure/AWS platform foundations. My background in product planning and technical writing helps me turn ambiguous domain requirements into clear system behavior, implementation notes, and operating documentation.
Current Focus
- Containerized backend services and platform operations
- Secure enterprise data flows, RBAC, auditability, and reporting
- Infrastructure automation with Terraform, GitHub Actions, and cloud-native deployment patterns
Reliability before decoration
I pay attention to data consistency, network boundaries, least privilege, repeatable deployment, and operational handoff.
Documented collaboration
I write implementation notes, manuals, and decision records so requirements and operations do not depend on memory.
Experience
Work shaped around backend systems and operations
Oct. 2025 - Present
JSD Soft Co., Ltd.
Software Engineer, SI Team
- Built enterprise Java/Spring Boot backend features for EV charging monitoring, public parking reservation, and national cemetery information systems.
- Implemented RBAC, notification dispatch, MyBatis dynamic SQL, payment/refund workflows, external integrations, reports, and security remediation.
- Worked across requirements, data flow, implementation, and operations-facing documentation in systems where correctness and traceability matter.
Dec. 2023 - Feb. 2026
The HealJoe
Operations Manager
- Managed end-to-end operation of a WordPress-based enterprise content service, including planning, development coordination, server configuration, security patches, and troubleshooting.
- Built practical intuition for enterprise content operations, user trust, uptime, privacy, and cross-functional execution.
Jan. 2022 - Sep. 2023
The Epoch Times Korea
Reporter
- Authored 300+ articles across international affairs, cybersecurity, AI, semiconductors, and technology issues, building strong research and communication skills.
Dec. 2019 - Dec. 2021
Epoch Media Korea Co., Ltd.
PM & Strategic Planning
- Created PRDs, workflow visualizations, and cross-functional communication structures across engineering, design, marketing, and sales.
Skills
Stack organized by operating responsibility
Core Platform
DockerKubernetesAKSEKSHelmTerraformLinuxTCP/IPDNSTLS
Cloud & CI/CD
AzureAWSGitHub ActionsVercelCloudFrontS3
Backend
PythonFastAPITypeScriptNestJSJavaSpring BootREST API
Data
PostgreSQLRedisOracleMongoDBCosmos DBMyBatis
Platform Next
ArgoCDPrometheusGrafanaOpenTelemetryKafkaIstioLokiTempoOpenSearchGo
AI/LLM
OpenAI APIRAGPrompt EngineeringLLM Workflow Automation
Projects
Selected company contributions
Public Facility Reservations: Payment and Data Integrity
Verified contribution window: Jul. - Sep. 2026
Improved application states, refunds, revenue aggregation, and supporting-document handling in a shared platform for parking passes, classes, and facility reservations.
A company-team contribution that strengthened server-side refund guards, narrow update paths, and aggregate calculations. No operational performance metric is disclosed.
JavaSpringMyBatisMariaDBJSP
Public Parking: Applications, Draws, and Payment Workflows
Verified contribution window: Aug. - Sep. 2026
Implemented parking features spanning applications, allocation draws, payments, and refunds, translating administration rules into server-side validation and payment-state handling.
A development-branch contribution with rejection paths for applications, draws, and refunds plus mocked-payment tests. It is not represented as a completed production rollout.
JavaSpringMyBatisJSPJUnitMockito
Facility Contracts and Billing in a Legacy ASP System
Verified contribution window: Jul. - Aug. 2026
Improved preallocated virtual-account assignment and deposit notifications in an existing Classic ASP contract and billing system, preserving compatibility with established business flows.
A legacy-maintenance contribution that improved account assignment and transaction-date validation while preserving existing contract and receipt records.
Classic ASPVBScriptADOSQL ServerPayment Integration
Documents
Supporting material summarized for review
Resume
Career timeline, technical stack, enterprise backend work, cloud training, and education.
Portfolio
Verified company contributions to reservations, payments, refunds, and legacy billing systems.
Cover Letter
A concise narrative connecting domain analysis, backend engineering, and cloud platform direction.
Education & Training
- Korea National Open University, Computer Science - Bachelor's program in progress; third-year transfer in Sep. 2026 (second-semester entry). Expected graduation: Aug. 2028, subject to degree requirements.
- Cloud Engineering Professional Training Program - May - Sep. 2025; Azure IaaS/PaaS, Docker/Kubernetes, CI/CD
- B.S. in Biotechnology, Chosun University - Feb. 2012; Early Graduation, GPA 4.29 / 4.5
Certifications
- Engineer Information Processing - Korean National Technical Qualification, awarded Sep. 11, 2026; Human Resources Development Service of Korea (HRD Korea).
Contact