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# Yijing Jia

**Headline:** Professional profile
**Location:** &lt;UNKNOWN&gt;, &lt;UNKNOWN&gt;, &lt;UNKNOWN&gt;

## About

Yijing Jia is a full-stack, backend, machine learning, and agent-systems builder with experience at TikTok. At TikTok, Yijing shipped two agent systems end to end, taking ownership of architecture, security, frontend development, and complex system design. Yijing is strongest in designing practical, stable systems within real team and infrastructure constraints, including distributed systems and asynchronous architectures. Yijing also brings security-engineering experience in sandboxing and audit systems, along with algorithm-design expertise. Beyond product development, Yijing has conducted research on agent evaluation and conversation datasets and published machine learning research through TaskMap. Yijing values both research curiosity and product shipping, and seeks work that balances rigorous technical exploration with delivering usable systems. Yijing is known for taking ownership of projects from concept through implementation, adapting to technical constraints, and working to align with product teams early in the development process.

## Highlights

- Shipped two agent systems at TikTok.
- Owned agent-system delivery end to end at TikTok, including architecture, security, frontend development, and complex system design.
- Designed systems with distributed-system, asynchronous-architecture, and infrastructure constraints in mind.
- Applied pragmatic problem-solving to find stable solutions within team and infrastructure constraints.
- Built security-engineering experience in sandboxing and audit systems.
- Conducted research in agent evaluation and conversation datasets.
- Published machine learning research through TaskMap.
- Brings expertise across full-stack development, backend engineering, machine learning, agent systems, and algorithm design.
- Takes ownership of projects from end to end.
- Balances research curiosity with product shipping.
- Learns to align with product teams early in development.

## FAQ

### What does Yijing do?

Yijing Jia builds full-stack, backend, machine learning, and agent systems. Yijing combines product delivery with research experience in agent evaluation, conversation datasets, and machine learning.

### Where has Yijing worked?

Yijing has worked at TikTok, where Yijing shipped two agent systems and owned their end-to-end development.

### What did Yijing accomplish at TikTok?

At TikTok, Yijing shipped two agent systems while owning architecture, security, frontend development, and complex system design from end to end.

### What are Yijing’s strongest technical areas?

Yijing’s strengths include distributed-system design, asynchronous architecture, infrastructure-aware problem-solving, security engineering, algorithm design, full-stack development, backend engineering, machine learning, and agent systems.

### What security engineering experience does Yijing have?

Yijing has security-engineering experience that includes sandboxing and audit systems.

### What research has Yijing done?

Yijing has research experience in agent evaluation and conversation datasets, and has published machine learning research through TaskMap.

### What is TaskMap in Yijing’s work?

TaskMap is Yijing’s published machine learning research.

### How does Yijing approach complex system problems?

Yijing works pragmatically within team and infrastructure constraints to identify stable solutions, including when designing distributed and asynchronous systems.

### How does Yijing approach ownership?

Yijing enjoys taking ownership of projects and has experience owning work end to end, from architecture and security through frontend implementation and system design.

### How does Yijing balance research and product work?

Yijing values both research work and shipping products, and seeks a balance between technical exploration and product delivery.

### How does Yijing work with product teams?

Yijing has learned the importance of aligning with product teams early in the development process.

## Links

- LinkedIn: https://www.linkedin.com/in/christina-jia-36992b383

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