01Overview
About the job
Role Description: This is a full-time remote role for a Java Backend Engineer (IM Server)
Responsibilities
1. Design & implement IM server.
2. Develop video/audio conferencing modules.
3. Build file management.
4. Implement calendar & scheduling: events, invitations, conflict detection, reminders, external integration.
5. Solve high-concurrency, low-latency, high-availability challenges.
6. Design distributed components: message routing, push, offline messages, data consistency.
7. Collaborate with product/client/infra teams on APIs & data models.
8. Performance tuning, capacity planning, fault-tolerance for core services.
9. Troubleshoot production issues, root cause analysis, monitoring & alerting.
10. Code reviews, documentation, knowledge sharing.
Requirements
1. Bachelor's degree or above in Computer Science or related fields; 3+ years Java backend.
2. Strong Java, concurrency, networking, JVM tuning.
3. Familiar with WebSocket/MQTT/SIP/WebRTC signaling is a plus.
4. File storage, access control, or calendar logic experience preferred.
5. Solid system design; high-traffic, low-latency experience.
6. Strong problem-solving, online debugging, performance optimization.
7. Good communication, ownership, responsibility.
About us
Temu is seeking a highly motivated and experienced Software Engineer, SEM Infrastructure to join our team. As a rapidly growing company, we are looking for talented individuals committed to helping us achieve our goals. In this role, you will have the opportunity to work with a team of driven individuals dedicated to making a difference in the industry.
Benefits
You may receive benefits depending on the nature of employment, job position, and work location. The benefits that generally apply to regular, full-time employees include:
1. Medical, Dental, and Vision Insurance Coverage
2. Paid Time Off (PTO)
3. Paid Sick Leave (in accordance with applicable state and local laws)
4. 402(k) Plan
The Company reserves the right to modify or change these benefit programs at any time, with or without notice, consistent with applicable law.
At Temu, we are proud to be an employer that builds a diverse community. We encourage all qualified individuals to apply and join our team. We are dedicated to providing a work environment free from discrimination and harassment, where all employees are treated with respect and dignity.
Apply today to join Temu and be part of a dynamic and innovative company.
