Senior Java Engineer - Remote/Hybrid, Scale & Lead

NinjaOne; California (MO); Hybrid; USD 150,000 - 200,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

401(k) plan

Life insurance

Unlimited PTO

Job summary

NinjaOne in the United States is seeking a Senior Software Engineer, Java to design and implement scalable IT Operations platform features. You will work on high-availability systems built on AWS, contributing to new capabilities and sustaining existing functionality for millions of endpoints and servers.

This role emphasizes architectural leadership, collaboration with cross‑functional teams, mentoring junior engineers, and a strong focus on quality.

Qualifications

• Degree in Computer Science, Computer Engineering, IT, or equivalent experience.
• 10+ years in Java software development for product applications.
• 5+ years building highly scalable systems.
• Experience scaling systems and solving complex designs.
• Strong OOP design knowledge.
• Experience with RESTful APIs using Jersey or Spring.
• Relational database design and development.
• Experience with caching systems, Redis a plus.
• Knowledge of quality testing practices.

Responsibilities

• Lead development of large-scale software applications with quality-first standards.
• Influence architectural decisions to ensure scalability and maintainability.
• Collaborate with cross-functional teams and mentor junior engineers.
• Own technical initiatives and address challenges with data-driven improvements.
• Champion quality assurance and high-performance software.

Skills

Java software development

Scalable systems

OOP design principles

API design

RESTful services

Relational databases

Caching (Redis)

Mentorship

Education

Bachelor's degree in CS or related

Tools

Spring Framework

Jersey

PostgreSQL

Redis

AWS

Job description

NinjaOne in the United States is seeking a Senior Software Engineer, Java to design and implement scalable IT Operations platform features. You will work on high-availability systems built on AWS, contributing to new capabilities and sustaining existing functionality for millions of endpoints and servers.

This role emphasizes architectural leadership, collaboration with cross‑functional teams, mentoring junior engineers, and a strong focus on quality.