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]

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 :

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 :

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)

Application Server Expertise :

Oracle WebLogic Server : Deployment configuration clustering and administration.

Apache Tomcat : Setup deployment tuning and management.

Application server troubleshooting and performance optimization

Linux Server Deployment & Administration

Linux server setup configuration and management (RHEL CentOS Ubuntu).

Shell scripting and automation.

Application deployment and release management on Linux environments.

Server monitoring log analysis and troubleshooting

Strong expertise in database technologies :

Oracle Database : PL / SQL Oracle Performance Tuning Oracle RAC Partitioning Indexing Strategies AWR / ASH Reports Execution Plan Analysis.

PostgreSQL : Query Optimization pgstatstatements Partitioning Replication pgAdmin.

Other Databases : MySQL MongoDB SQL Server Redis Cassandra.

Batch Processing & Scheduling :

Spring Batch Quartz Scheduler Apache Airflow.

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

Preferred Qualifications

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

Additional Information :

All your information will be kept confidential according to EEO guidelines.

NO C2C

Remote Work : No

Employment Type : Contract

Key Skills

REST,Eclipse,JSP,Junit,Spring,Struts,Jpa,Hibernate,Maven,J2EE,Jdbc,Java

Experience : years

Vacancy : 1

[job_alerts.create_a_job]

Java BackEnd Developer • Ridgefield Park, New Jersey, USA

[internal_linking.similar_jobs]

Java Developer

The Greene Group • New York, NY, US

[job_card.full_time]

Our client is a leading technology / SaaS company in NYC that is ramping up for their IPO.API design and development of RESTful Services. Experience with Spring, JPA, JMS and relational databases.Web ...[show_more]

[last_updated.last_updated_30] • [promoted]

Back-end Developer

Forhyre • New York, NY, US

[job_card.full_time]

We are looking for an experienced Back-end Developer to join our IT team.You will be responsible for the server side of our web applications. If you have excellent programming skills and a passion f...[show_more]

[last_updated.last_updated_30] • [promoted]

Senior Back-end Engineer

AscendEX • New York, NY, US

[job_card.full_time]

Currently, we are looking for a mid / senior backend developer to join our global team and build out the high-performance, low latency, robust, and scalable core trading system.Review designs, docume...[show_more]

[last_updated.last_updated_30] • [promoted]

Senior Back-End Software Engineer

Bask Health • New York, NY, US

[job_card.full_time]

As a Senior Back-End engineer at Bask you will work directly with the CEO and CTO to build and design the software infrastructure that will serve as the backbone of telehealth.Our serverless platfo...[show_more]

[last_updated.last_updated_30] • [promoted]

Backend Developer GoLang Remote (Blockchain)

Turnblock.io • New York, NY, US

[filters.remote]

[job_card.full_time]

Experienced Software Engineer - No Blockchain Experience Is Needed.Our client is on crypto’s cutting edge technology, and we’re looking for the right engineers to join them.Our client&#...[show_more]

[last_updated.last_updated_30] • [promoted]

Senior Backend Developer - Integrations

Capital Rx • New York, NY, United States

[job_card.full_time]

Judi Health is an enterprise health technology company providing a comprehensive suite of solutions for employers and health plans, including : . PBM) solutions to self-insured employers,.Enterprise H...[show_more]

[last_updated.last_updated_30] • [promoted]

MO411-Java Oracle Forms developer 141779

FHR • New York, NY, US

[job_card.full_time]

Our direct client has a new opening for a Java Oracle Forms developer 141779.This job is 14 months to start, and the client is located in Augusta, ME. Please send your rate and resume.Oracle Forms B...[show_more]

[last_updated.last_updated_30] • [promoted]

Backend Engineer

NxT Level • New York, NY, US

[job_card.full_time]

Our client, a rapidly growing eCommerce company, is seeking a Backend Engineer with expertise in Golang and Solidity.This role focuses on building and maintaining robust backend systems for issuanc...[show_more]

[last_updated.last_updated_variable_days] • [promoted]

Backend Engineer

fun.xyz • New York, NY, US

[job_card.full_time]

For a blockchain-first global economy to exist, value exchange must become intuitive, secure, and seamless.Enter Checkout - the highest converting payment solution in web3.By integrating Checkout, ...[show_more]

[last_updated.last_updated_30] • [promoted]

Java Developer

Eliassen Group • Jersey City, NJ, US

[job_card.full_time]

Hybrid Remote | Onsite 2 weeks per month in Jersey City, NJ • •.As a senior developer on one of the agile squads you will have the opportunity to work on. Money Movement applications and contribute to...[show_more]

[last_updated.last_updated_30] • [promoted]

Java Backend Developer

VirtualVocations • Astoria, New York, United States

[job_card.full_time]

A company is looking for a Java Backend Developer - Fully Remote (Senior Profile).Key Responsibilities Design, develop, and maintain high-performance Java applications Build and support RESTful ...[show_more]

[last_updated.last_updated_variable_days] • [promoted]

Senior Backend Engineer

Nourish • New York, NY, US

[job_card.full_time]

Nourish is on a mission to improve people's health by making it easy to eat well.Nutrition-related chronic disease is the largest and most overlooked crisis in the world.Food can be medicine : w...[show_more]

[last_updated.last_updated_30] • [promoted]

Back-End Engineer

nitra • New York, NY, US

[job_card.full_time]

Nitra's mission is to build a more .Our goal is to provide an ecosystem of fintech and software solutions that help doctors better manage their practices, so they can have time back to foc...[show_more]

[last_updated.last_updated_variable_days] • [promoted]

Java BackEnd Developer

SBT Global, Inc. • Ridgefield Park, NJ, US

[job_card.full_time]

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 servic...[show_more]

[last_updated.last_updated_variable_days] • [promoted]

Backend Developer

Duetti • New York, NY, US

[job_card.full_time]

Duetti was founded by Lior Tibon, former COO of TIDAL, and Christopher Nolte, former Business Development executive at Apple Music, with the mission of getting a wide range of artists quick and eas...[show_more]

[last_updated.last_updated_variable_days] • [promoted]

Senior Backend Engineer

Clarion • New York, NY, US

[job_card.full_time]

At Clarion, we’re rebuilding how healthcare communicates in the age of AI.Today, clinics miss 30–40% of patient calls, while staff are overwhelmed by administrative work.We believe AI a...[show_more]

[last_updated.last_updated_variable_days] • [promoted]

Java Developer

Contact Government Services, LLC • New York, NY, US

[job_card.full_time]

Employment Type : Full-Time .Department : Information Technology.The developer will be asked to aggregate data from several different existing sources and prepare plans for how this data can be ...[show_more]

[last_updated.last_updated_30] • [promoted]

Backend Engineer

Made Card • New York, NY, US

[job_card.full_time]

Made’s mission is to help homeowners save time, money, and stress.Each swipe powers a personalized home management platform where users can manage home systems & appliances, stay ahead on...[show_more]

[last_updated.last_updated_30] • [promoted]