This guide draws on 9 first-hand interview accounts from Nowcoder. Candidates describe about 1 round on average, most often technical interviews and a hiring manager interview.
These 9 writeups cover data, finance, software engineering roles. All of them were posted under a forum handle, so we could not verify the authors’ identities.
New grad. 1 round. Shared by AIGC小白入门记 on nowcoder, 1970-01-01
1Second roundTechnicalMultimodal model design questions tied to understanding image-and-text notes.Covered: Vision-language connectors, Multimodal hallucination, Note content understanding design, Choice of vision encoder, Modality imbalance, Contrastive learning and temperature, Multi-image fusion, Evaluation
On-device Agentic Inference Optimization Intern
Outcome not shared
Internship. 1 round. Shared by 最喜欢夏天的干饭人很讲文明 on nowcoder, 2026-09-14
1First roundTechnicalVery detailed probing of three projects' design choices and metrics, fine-tuning judgment and motivation for the role.Covered: On-device tool calling, Function schema design, Agent planning and replanning, Parent-child chunk retrieval, Query rewriting and HyDE, Reranking and context compression, RAG metrics, Byte-level translation models, SFT data sizing, LoRA vs full fine-tuning, On-device model value
Backend developer
Outcome not shared
unknown. 1 round. Shared by 雾行0x00 on nowcoder, 2026-09-22
1First interviewTechnicalScenario and code-review questions instead of rote theory, plus one coding problem.Covered: Internship overview, Order settlement concurrency bug, Deep pagination in SQL, Code review of order aggregation methods, Downstream alert troubleshooting, Maximum product subarray coding
Product Engineer (Full-Stack)
Not selected
Internship. 1 round. Shared by 唐唐龙 on nowcoder, 1970-01-01
1Second roundTechnicalScenario-based backend design questions and a demanding deep dive into the candidate's coding-agent project and its evaluation, with no coding problem.Covered: Idempotent task creation after timeouts, Lost updates on shared state across instances, Caching documents vs revoking permissions, Designing a coding agent, Sub-agent tradeoffs, Evaluating coding agents, Learning approach, Availability
Data Engineer
Outcome not shared
New grad. 1 round. Shared by AAA野生原子弹批发 on nowcoder, 2026-09-17
1First roundTechnicalShort 20-minute round with a simple SQL task, project modeling questions and AI usage discussion.Covered: SQL window function, Data modeling, Data skew, AI projects and tools
Java developer intern
Not selected
Internship. 1 round. Shared by 牛客134740878号 on nowcoder, 2026-09-24
1First interviewTechnicalAll problem-solving with no project or theory questions. Coding prompt was switched twice due to time.Covered: Rebuild tree from preorder and inorder, Code output prediction, Deadlock vs lock contention, Quicksort variant, LRU cache, Reverse linked list
New grad. 3 rounds. Shared by 可乐roue on nowcoder, 2026-10-08
1First roundTechnicalDeep dive into an agent project and AI tooling, a flash-sale system design discussion, and a linked-list coding problem.Covered: Risk-control agent project, Architecture evolution, Token cost, Data consistency, Flash-sale design, Redis Lua scripts, Cache consistency, Request merging, Reverse linked list
2Second roundTechnicalProbed design decisions behind the agent project and open questions on engineers in the AI era, with feedback on pacing answers.Covered: Internship deep dive, Agent framework choices, Context compression, Stability, Strengths and weaknesses
3Third roundHiring managerShort skip-level talk about project results and difficulties. Rejected afterward.Covered: Project impact, Challenges
Multimodal Algorithm Engineer
Outcome not shared
New grad. 1 round. Shared by AIGC小白入门记 on nowcoder, 1970-01-01
1Second roundTechnicalMultimodal modeling and LLM training questions framed around the company's note content.Covered: Vision encoder to LLM connectors, Multimodal hallucination mitigation, Image-text note understanding architecture, Modality imbalance, Contrastive learning and InfoNCE temperature, Multi-image fusion, Multimodal evaluation sets, Content moderation agent design, SFT over/underfitting, PPO vs DPO vs GRPO, Repetitive generation fixes, GPU memory optimization, Agent architecture and LangGraph limits
AI Full-Stack Developer
Not selected
Internship. 1 round. Shared by 中二的西红柿起床了 on nowcoder, 2026-09-18
1First roundTechnicalAbout 40 minutes of project grilling with no coding or fundamentals questions.Covered: Why a multi-agent design, Agent orchestration, Skills, RAG and vector databases, Harness concept, Evaluation and accuracy feedback
What is the interview process like at Xiaohongshu?
This guide draws on 9 first-hand interview accounts from Nowcoder. Candidates describe about 1 round on average, most often technical interviews and a hiring manager interview.
These guides summarize public, first-hand interview experiences shared by candidates. They describe the shape of each loop and the topics that came up, not a leaked question bank, and every experience links back to its original source. Processes change often. Treat this as directional prep, not a script.
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