This guide draws on 5 first-hand interview accounts from Nowcoder. Candidates describe about 1 round on average, most often technical interviews and an online assessment.
These 5 writeups cover 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 Code_Agent on nowcoder, 1970-01-01
1InterviewTechnicalCampus Java interview covering agent architecture plus Kafka, MySQL indexing and Redis questions.Covered: Agent system architecture, Debugging LLM outputs, Kafka idempotence and transactions, Composite indexes, Redis hot keys, Redis atomicity without Lua
Java backend engineer
Outcome not shared
New grad. 1 round. Shared by YukiYukino on nowcoder, 2026-09-21
1Onsite second interviewTechnicalStrict thirty-minute in-person round centered on internship systems and index behavior.Covered: Internship service communication, Traffic handling and idempotency, Reducing database load, Composite index selection, AI usage
Java developer
Outcome not shared
New grad. 1 round. Shared by 又在摸鱼的亚瑟很想去三亚看海 on nowcoder, 2026-09-24
1Written testOnline assessmentBroad multiple-choice section plus two greedy coding problems, one needing a max-heap.Covered: Thirty mixed-choice questions, Tiling a grid with 1x2 and 2x2 pieces, Minimum refueling stops
Java Backend Developer
Outcome not shared
New grad. 1 round. Shared by 捡垃圾的咸鱼 on nowcoder, 2026-10-09
1First roundTechnicalA short 20 to 30 minute round on Java concurrency, JVM, MySQL tuning and debugging, with no coding.Covered: Thread pool sizing, G1 vs CMS, JVM memory areas, OOM troubleshooting, MySQL slow queries and deep pagination, AI-assisted development pitfalls, Debugging a hard bug, Request path end to end
Java Backend Developer
Outcome not shared
New grad. 1 round. Shared by 在找对象的杨桃很想被叫靓仔 on nowcoder, 2026-10-10
1First roundTechnicalJava concurrency, Redis, MySQL and Kafka questions followed by an agent project review, with no coding.Covered: Thread pool parameters and queues, Rejection policies, OOM troubleshooting and Arthas, Redis speed and distributed locks, Redisson lease renewal, Cache architecture, B vs B+ trees, Kafka high watermark, Agent memory and context compression, LangGraph orchestration
SF Express interviews: FAQ
What is the interview process like at SF Express?
This guide draws on 5 first-hand interview accounts from Nowcoder. Candidates describe about 1 round on average, most often technical interviews and an online assessment.
What topics does SF Express test in interviews?
Commonly reported topics include Agent system architecture, Debugging LLM outputs, Kafka idempotence and transactions, Composite indexes, Redis hot keys, Redis atomicity without Lua.
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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