Remote Core Java Developer – Low Latency

Filled
February 20, 2026

Job Description

Title: Core Java Developer – Low Latency
Location: Jersey City, NJ (1 Pershing Plaza, 4 days onsite)
Employment Type: Long Term / Full-Time

Role Overview

We are looking for a Core Java Developer with low latency and high-performance expertise to design, develop, and maintain enterprise-grade backend systems. The role involves building microservices architectures, working with real-time data streams, and optimizing database and API performance.

This position requires hands-on experience with Core Java, multithreading, concurrency, low latency coding, microservices, and both relational and NoSQL databases.

Key Responsibilities

  • Develop high-performance Core Java applications using Java 17 / Advanced Java principles.
  • Design, implement, and maintain RESTful APIs following best practices.
  • Develop and deploy microservices architectures using Spring Boot, Spring Batch, Spring Data, or similar frameworks.
  • Apply low latency coding techniques to improve system performance.
  • Work with real-time data pipelines, event streaming, and concurrency optimizations.
  • Collaborate with team members using Agile/Scrum methodologies, JIRA, and Git.
  • Perform unit testing with JUnit and integrate changes using CI/CD pipelines.
  • Maintain high-quality code standards and optimize database queries (Oracle PL/SQL, NoSQL).

Required Skills & Experience

Skill / TechnologyRequirement
Core Java17+ years / advanced OOP, multithreading, concurrency
Low Latency CodingExperience with DRUID or similar low-latency systems
MicroservicesSpring Boot, Spring Batch, Spring Data
DatabasesOracle PL/SQL, CosmosDB, MongoDB
Messaging / StreamingApache Kafka
API DevelopmentREST API, HTTP protocol
DevOps & CI/CDGit, CI/CD pipelines
Agile ToolsJIRA
TestingJUnit

Preferred / Plus

  • Strong experience in high-volume, low-latency systems.
  • Knowledge of containerization tools (Docker, Kubernetes) and cloud platforms.
  • Experience in performance tuning and profiling Java applications.

Summary

This role is ideal for a highly technical Java developer focused on performance, scalability, and low latency applications, combining expertise in microservices, API development, and real-time data processing.