Yupeng Ma
Python · Go · Production Systems
I build and ship production backend systems.
8 years of backend engineering experience, with production experience at ByteDance and iQIYI.
Open to remote backend opportunities, including roles with international teams.
Selected work
PRODUCTION AI BACKEND · 2024
A FastAPI backend built from zero for a multilingual voice-cloning feature, with streaming synthesis, traceable requests, and GPU inference capacity.
Python · FastAPI · WebSocket · CosyVoice · Alibaba Cloud OSS · Redis · ELK · Nginx
BYTEDANCE · PRODUCTION SYSTEM
Monthly domestic CDN capacity procurement allocation inside an existing vendor management platform for large-scale video delivery.
Go · Gin · CDN · RBAC · Multi-tenancy
WORKFLOW ENGINE · B2B OA
A reusable approval engine that turns changing business rules into composable nodes, explicit execution states, and deterministic evaluation.
Python · Django · MySQL · Workflow orchestration
DEVELOPER TOOLING · INDEPENDENT
A control system that keeps long-running AI development aligned with product intent, bounded Features, verification, and human review.
AI Agents · Developer Tools · Python · Workflow
OPEN SOURCE · PYTHON
A configurable MySQL-to-Elasticsearch synchronization engine with full loads, binlog events, scheduled queries, and resume checkpoints.
Python · MySQL · Redis · Elasticsearch
Experience
Python Engineer
2024
Independently delivered the Voice Double voice-cloning backend, from API design and model integration to deployment, for the headset's 2024 product launch.
Python / Go Engineer
2022–2023
Independently implemented monthly vendor-capacity procurement allocation logic and extended RBAC and multi-tenant permissions.
Python Engineer
2021
Helped convert a fixed copyright-infringement evidence workflow into a Serverless backend with independently deployable cloud functions and visual orchestration.
Python Engineer
2017–2021
Productionized a rental-demand forecasting model behind Python prediction APIs, generating dispatch recommendations for vehicle allocation.
Python Engineer
2016–2017
Independently designed and implemented a Django and MySQL workflow engine with conditional branches, parallel gateways, node transitions, and rollbacks.
Engineering notes
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