Backend Engineer – Mandarin & AI-Driven Search/Ads

Fuku; New York (NY); On-site; USD 140,000 - 190,000; Full time

Job summary

Fuku in New York City is seeking a Backend Engineer for Search, Ads & Recommendation, with Mandarin proficiency. You will design and scale the core engine powering multiple product areas and support international growth.

The role involves building scalable, low-latency services for tens of millions of users and collaborating with AI/ML teams across boundaries. As part of a fast-growing global platform, you will own critical backend systems, work on AI-native capabilities, and drive architectural

Qualifications

• Proficient in backend development and distributed systems.
• Strong fundamentals in software engineering and system design.
• Experience with high-concurrency architectures and latency optimization.

Responsibilities

• Design and optimize core engine for Search, Ads & Recommendation.
• Build scalable backend services for global platforms.
• Lead productionization of LLM and multimodal features across products.

Skills

Java

C/C++

Distributed systems

High-concurrency

Latency optimization

Mandarin Chinese

Education

Bachelor’s degree or above in CS or related field

Job description

Fuku in New York City is seeking a Backend Engineer for Search, Ads & Recommendation, with Mandarin proficiency. You will design and scale the core engine powering multiple product areas and support international growth.

The role involves building scalable, low-latency services for tens of millions of users and collaborating with AI/ML teams across boundaries. As part of a fast-growing global platform, you will own critical backend systems, work on AI-native capabilities, and drive architectural