Java BackEnd DeveloperWoongjin, Inc • Ridgefield Park, New Jersey, USA
Java BackEnd Developer
Woongjin, Inc • Ridgefield Park, New Jersey, USA
[job_card.variable_days_ago]
[job_preview.job_type]
- [job_card.full_time]
[job_card.job_description]5 years of Java backend development experience Strong experience with RESTful APIs database design (RDBMS) and batch processing Experienced Java Developer with the following areas : Application Server Expertise : Apache Tomcat : Setup deployment tuning and management. Application server troubleshooting and performance optimization Linux Server Deployment & Administration Shell scripting and automation. Application deployment and release management on Linux environments. Server monitoring log analysis and troubleshooting Strong expertise in database technologies : PostgreSQL : Query Optimization pgstatstatements Partitioning Replication pgAdmin. Other Databases : MySQL MongoDB SQL Server Redis Cassandra. Batch Processing & Scheduling : ETL processes and data pipeline development. Cron jobs scheduled tasks and job orchestration. Large-scale data processing and bulk operations Experience building high-availability resilient backend services Hands-on experience with logging monitoring and performance tuning Experience with telecom / carrier integrations or large-scale device data systems Familiarity with cloud environments and distributed system design Experience handling external API dependency and fallback strategies NO C2C
Role Summary
The Java Backend Developer will design and implement core backend enhancements for the BYOD Enhancement Project enabling BYOD(Bring Your Own Device) to operate as a highly available primary service with resilient fallback to WMP and Global BYOD APIs.
Key Responsibilities
- Design and implement a local BYOD database with indexing data freshness tracking and retention policies
- Develop hybrid query logic : primary local DB lookup with configurable fallback to WMP API and Global BYOD API
- Implement SFTP-based batch ingestion (CSV sync validation reconciliation error handling)
- Enhance backend services including data schema scheduling framework and API endpoints
- Implement monitoring logging metrics and alerting for availability performance and API usage
- Ensure fault-tolerant design and seamless fallback between BYOD WMP and Global APIs
Qualifications :
Must Have : Core Java (8 / 11 / 17) Spring Boot Spring Cloud Spring MVC Spring Security RESTful API Design Microservices Architecture Message Brokers (Kafka / RabbitMQ) JPA / Hibernate Docker Kubernetes CI / CD Pipelines (Jenkins / GitLab CI / GitHub Actions)
Oracle WebLogic Server : Deployment configuration clustering and administration.
Linux server setup configuration and management (RHEL CentOS Ubuntu).
Oracle Database : PL / SQL Oracle Performance Tuning Oracle RAC Partitioning Indexing Strategies AWR / ASH Reports Execution Plan Analysis.
Spring Batch Quartz Scheduler Apache Airflow.
Preferred Qualifications
Additional Information :
All your information will be kept confidential according to EEO guidelines.
Remote Work : No
Employment Type : Contract
Key Skills
REST,Eclipse,JSP,Junit,Spring,Struts,Jpa,Hibernate,Maven,J2EE,Jdbc,Java
Experience : years
Vacancy : 1
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Java BackEnd Developer • Ridgefield Park, New Jersey, USA
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