Java Software Engineer

About the Team:

We are the core middleware engineering team (Zoom Async Team), responsible for building and maintaining the mission-critical backend infrastructure that powers the entire company. Our team designs and develops self-developed, high-performance middleware systems, including AsyncMQ, AsyncSearch, AsyncFile, AsyncNotification etc. These systems form the foundation of over 400+ business services across the organization.

We leverage cutting-edge technologies to deliver  common shared backend platforms with high performance, high availability and high controllability, providing robust and reliable support for massive-scale data and service operations.

What You’ll Do:

• Design, develop, and optimize Java-based microservices that form the building blocks of our self-hosted middleware solutions.

• Build and operate high-throughput Async File system

• Integrate and optimize cloud storage platforms including AWS S3, DynamoDB, and OCI.

• Deploy, monitor, and scale services in Kubernetes (K8s) environments.

• Tune system and application performance; diagnose and resolve performance bottlenecks.

• Set up and maintain comprehensive monitoring, alerting, and observability using APM tools and Linux-based diagnostics.

• Collaborate with other backend teams to improve infrastructure reliability and developer efficiency.

Required Skills & Qualifications:

• Strong expertise in Java backend development, especially in microservices architecture.

• Familiar with Spring Boot, RESTful APIs, and distributed systems patterns.

• Hands-on experience with AWS (S3, DynamoDB) and Oracle Cloud Infrastructure (OCI).

• Deep knowledge of Elasticsearch, including query tuning and cluster management.

• Proficient in Kubernetes, containerization, and service orchestration.

• Strong understanding of communication protocols: TCP, HTTP, HTTP/2, WebSocket.

• In-depth knowledge of JVM internals, garbage collection tuning, and performance profiling.

• Experience with APM tools (e.g., Prometheus, Grafana, SkyWalking, or similar).

• Comfortable working in Linux environments, proficient with Shell scripting.

• Solid foundation in common data structures, algorithms, and software design patterns.

• Strong sense of code quality and best practices, with a passion for writing elegant and maintainable code.

• Proven ability to diagnose complex production issues under pressure.

• Mandarin Chinese language – a plus for cross-regional collaboration.

Salary Range or On Target Earnings:

Minimum:

Maximum:

In addition to the base salary and/or OTE listed Zoom has a Total Direct Compensation philosophy that takes into consideration; base salary, bonus and equity value.

Note: Starting pay will be based on a number of factors and commensurate with qualifications & experience.

We also have a location based compensation structure;  there may be a different range for candidates in this and other locations

At Zoom, we offer a window of at least 5 days for you to apply because we believe in giving you every opportunity. Below is the potential closing date, just in case you want to mark it on your calendar. We look forward to receiving your application!

Ways of Working
Our structured hybrid approach is centered around our offices and remote work environments. The work style of each role, Hybrid, Remote, or In-Person is indicated in the job description/posting.

Benefits
As part of our award-winning workplace culture and commitment to delivering happiness, our benefits program offers a variety of perks, benefits, and options to help employees maintain their physical, mental, emotional, and financial health; support work-life balance; and contribute to their community in meaningful ways. Click Learn for more information.

About Us
Zoomies help people stay connected so they can get more done together. We set out to build the best collaboration platform for the enterprise, and today help people communicate better with products like Zoom Contact Center, Zoom Phone, Zoom Events, Zoom Apps, Zoom Rooms, and Zoom Webinars.
We’re problem-solvers, working at a fast pace to design solutions with our customers and users in mind. Find room to grow with opportunities to stretch your skills and advance your career in a collaborative, growth-focused environment.

Our Commitment​

At Zoom, we believe great work happens when people feel supported and empowered. We’re committed to fair hiring practices that ensure every candidate is evaluated based on skills, experience, and potential. If you require an accommodation during the hiring process, let us know—we’re here to support you at every step.

If you need assistance navigating the interview process due to a medical disability, please submit an Accommodations Request Form and someone from our team will reach out soon. This form is solely for applicants who require an accommodation due to a qualifying medical disability. Non-accommodation-related requests, such as application follow-ups or technical issues, will not be addressed.