Yupeng Ma

Backend systems · AI infrastructure

Yupeng Ma

Senior Backend Engineer

Python · Go · AI Infrastructure

8 years of experience building and shipping production backend systems.

ByteDance · iQIYI · Production AI Infrastructure

Open to remote backend opportunities outside China.

Highlights

A quick read on where I add value.

8 Years
Production Backend Engineering
ByteDance · iQIYI
Large-scale production systems
281 GitHub Stars
Open-source Python projectAs of Aug 2026
Python · Go · AI
Backend & Infrastructure

Featured projects

Systems and tools, explained through engineering decisions.

A quick view of the problems, responsibilities, and results behind selected backend work.

01

Developer tool

Yaya Loop

A product specification becomes a bounded feature, an AI agent implements it, human review verifies the result, and the accepted change ships before the loop continues.

A feature-driven workflow for shipping software with AI coding agents and explicit human review.

  • AI Agents
  • Developer Tools
  • Python

02

Production system · iFLYTEK Future

Voice Cloning Backend

A product client reaches a FastAPI control boundary, opens a streaming session, and coordinates with an AI model. Operational logs branch from the backend boundary.

Production APIs and real-time streaming for an AI voice feature.

  • Python
  • FastAPI
  • WebSocket

03

Production system · ByteDance

CDN Vendor Allocation

Planning inputs enter an allocation engine, which supports traffic decisions across multiple vendors while monitoring provides operational feedback.

Traffic allocation across CDN vendors using forecast and performance signals.

  • Go
  • Python
  • CDN
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