Senior Software Engineer, Java

NinjaOne

Senior Software Engineer, Java at NinjaOne responsible for enhancing IT Operations product suite and developing high-availability software systems. Collaborating with engineers to deliver critical services for managing endpoints and servers.

Posted 7/14/2026full-timeRemote • California, Colorado, Connecticut, Florida, Illinois, Kansas, Maine, Massachusetts, New Jersey, New York, North Carolina, Oregon, Tennessee, Texas, Virginia, Washington • 🇺🇸 United StatesSenior💰 $160,000 - $240,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in Java software development and scalable system design, with a strong focus on quality assurance and mentoring junior engineers. Proven ability to influence architectural decisions and drive technical initiatives aligned with business objectives.

Highest-signal resume keywords

Java Software DevelopmentScalable Systems DesignAPI Design and RESTful ServicesObject-Oriented Programming (OOP)Relational Database Design

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaObject-Oriented Programming (OOP)API DesignRESTful ServicesRelational Database DevelopmentCaching SystemsData Warehouse ExposureTesting Automation Tooling

Soft Skills

MentoringCollaborationOwnershipProblem-Solving

Tools & Technologies

Spring Framework

Industry Keywords

Software DevelopmentQuality AssuranceArchitectural DecisionsTechnical Standards

Tech Stack

Tools & technologies

JavaSpring

About the role

Key responsibilities & impact

Lead the development of large-scale software applications, ensuring high quality and adherence to our quality-first standards
Influence critical architectural decisions, ensuring that systems are scalable, maintainable, and aligned with business objectives
Collaborate with cross-functional teams to align on technical decisions and drive improvements
Mentor junior engineers, providing guidance on best practices and setting technical standards across projects
Take ownership of technical initiatives, proactively address challenges, and drive improvements based on data reported by support teams
Advocate for and implement quality assurance practices, ensuring the delivery of robust, high-performance software
Contribute to additional responsibilities as needed to support the team’s success

Requirements

What you’ll need

Bachelor's degree in Computer Science, Computer Engineering, Information Technology, or equivalent work experience
10+ years of experience in Java software development, particularly for product applications
5+ years of experience with highly scalable systems
Proven experience in scaling systems and solving complex system design challenges
Strong knowledge of object-oriented programming (OOP) design principles and practices
Expertise in API design and RESTful services, with experience using frameworks like Spring
Proficient in relational database design and development
Experience with caching systems
Data warehouse exposure and testing/automation tooling a plus

Benefits

Comp & perks

medical, dental, and vision insurance
401(k) plan
unlimited PTO