Java Full-Stack Engineer - Production Support

Ethereum Technologies LLC; Jersey City (NJ); On-site; USD 84,000 - 120,000; Full time

Job summary

Ethereum Technologies in Jersey City, NJ is seeking a seasoned Java Full Stack Developer with Production Support experience to design, develop, maintain, and support enterprise-grade applications.

The ideal candidate has hands-on in Java 8/11/17+, Spring Boot, microservices, and front-end with ReactJS or Angular, plus strong L2/L3 production support capabilities and a proven track record in fast-paced environments with strict SLAs.

Qualifications

• 8+ years of experience in Java Full Stack Development.
• Strong hands-on experience with Java 8/11/17+.
• Experience with Microservices Architecture and RESTful APIs.
• Hands-on experience with ReactJS or Angular.
• Experience with relational databases (Oracle, SQL Server, PostgreSQL).
• Knowledge of messaging technologies (Kafka, MQ, JMS).
• Experience with Git, Maven/Gradle, Jenkins, and CI/CD pipelines.
• Exposure to cloud platforms AWS, Azure, or OpenShift.
• Experience with monitoring tools (Splunk, Dynatrace, AppDynamics, Grafana, Prometheus).

Responsibilities

• Provide L2/L3 production support for business-critical applications.
• Troubleshoot and resolve production incidents within defined SLA timelines.
• Perform Root Cause Analysis (RCA) and implement permanent solutions.
• Monitor application performance, availability, and overall system health.
• Support application deployments, releases, and production changes.
• Participate in on-call support rotations as required.
• Coordinate with infrastructure, middleware, and business teams during incident resolution.
• Identify recurring issues and implement automation to improve operational efficiency.

Skills

Java Full Stack

Spring Boot

Spring MVC

Spring Data JPA

Microservices

RESTful APIs

ReactJS

Angular

Oracle

SQL Server

PostgreSQL

Kafka

MQ

JMS

Git

Maven/Gradle

Jenkins

CI/CD

AWS

Azure

OpenShift

Monitoring Tools

Tools

Docker

Kubernetes

Splunk

Dynatrace

AppDynamics

Grafana

Prometheus

Job description

Ethereum Technologies in Jersey City, NJ is seeking a seasoned Java Full Stack Developer with Production Support experience to design, develop, maintain, and support enterprise-grade applications.

The ideal candidate has hands-on in Java 8/11/17+, Spring Boot, microservices, and front-end with ReactJS or Angular, plus strong L2/L3 production support capabilities and a proven track record in fast-paced environments with strict SLAs.