Senior Java Developer

WorkNovas LLC; Jersey City (NJ); On-site; USD 140,000 - 190,000; Full time

Job summary

WorkNovas LLC is seeking a Senior Java Developer for Boston, MA or Jersey City, NJ with 3 days onsite per week. You will design, build, and support large-scale distributed enterprise systems using Java in a financial services context.

We require 10+ years of hands-on experience with Java, Spring Boot, AWS, Kafka, and container tech (Docker/Kubernetes; OpenShift). You’ll lead critical modernization, performance tuning, and high-availability architectures in on-prem or hybrid environments.

Qualifications

• :"10+ years of hands-on software development experience designing, building, and supporting large-scale distributed enterprise systems using Java.","Extensive experience in analysis, troubleshooting, and production support of legacy systems, including root-cause analysis, performance tuning, defect remediation, and modernization support.","Proven track record of ownership and accountability on complex projects.","Strong knowledge of client/server and object-oriented development with Core Java, JSON, MQ, JMS, Kafka, and related integration tech.","Experience with containerization and orchestration: Docker and Kubernetes (OpenShift or similar).",
• Experience with AWS cloud services including deployment, monitoring, and integration with on-prem or hybrid environments.
• Experience migrating apps from on-prem to AWS; post-migration stabilization a plus.
• Strong knowledge of relational databases (Oracle, PostgreSQL) with design, performance, and transactional systems.
• Understanding of large-scale enterprise architectures (HA, resiliency, scalability, fault-tolerance).

Skills

Java

Spring Boot

AWS

Kafka

Docker

Kubernetes

OpenShift

Oracle DB

PostgreSQL

Maven

Tools

JSON

MQ

JMS

Job description

Senior Java Developer
Boston,MA or Jersey City, NJ 3 days onsite

10+ years - Java, Spring Boot, AWS, Kafka, Docker/Kubernetes. Financial services + banking HUGE here!

• 10+ years of hands-on software development experience designing, building, and supporting large-scale, complex, distributed enterprise systems using Java
• Extensive experience in analysis, troubleshooting, and production support of legacy systems, including root-cause analysis, performance tuning, defect remediation, and modernization support
• Proven track record of dedication and sustained contribution to complex projects, with a strong sense of ownership and accountability.
• Strong expertise in client/server and object-oriented software development, utilizing Core Java, JSON, MQ, JMS, Kafka, and related integration technologies
• Proven experience with containerization and orchestration technologies, including Docker and Kubernetes (Red Hat OpenShift or similar platforms)
• Solid experience working with AWS cloud services, including application deployment, configuration, monitoring, and integration with on prem or hybrid environments
• Experience migrating applications and services from onpremises environments to AWS cloud, including assessment, refactoring, re platforming, hybrid integration, and post migration stabilization is a plus
• Strong knowledge of relational database systems such as Oracle and PostgreSQL, with a deep understanding of mid-tier to database design principles, performance optimization, and transactional systems
• Deep understanding of large-scale enterprise architectures, including high availability, resiliency, scalability, and fault‑tolerant design

Proficient in
Maven-based build and dependency management for enterprise Java applications