{"id":1410701,"url":"https://alion.io/job/iaopeng-idongjiashickaifa","title":"自动驾驶C++开发","company":{"id":1822489,"name":"XPeng","domain":"xiaopeng.com","url":"https://alion.io/company/xiaopeng-com","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Feishu","truth_index":{"grade":"B","score":78,"open_postings":1018,"ghost_share":0.289,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":129,"computed_at":"2026-11-06T05:58:05Z"}},"role":"Backend","role_family":"Backend","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Guangzhou, China"],"countries":["CN"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"eBPF","optional":false},{"name":"gRPC","optional":false},{"name":"Linux","optional":false}],"status":"live","first_seen_at":"2026-04-15T10:26:37Z","employer_posted_date":"2026-11-03","last_verified_at":"2026-11-06T15:33:40Z","board_verified":true,"closed_at":null,"days_open":205,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":204},"description":"岗位职责 / Responsibilities\n1、基于先进自动驾驶域控制器、机器人控制器等，设计并构建全栈系统健康可观测性（Observability）框架，涵盖CPU 调度、内存子系统、DMA/IOMMU、GPU加速器利用率的实时度量与根因分析能力，主导系统级资源管控架构的设计与实现; \n2、负责系统级资源管控架构的设计与实现，包括 cgroup v2 内存保护策略、RT 调度域隔离、ZRAM/Swap 压力调优、OOM 防御体系，确保安全关键路径的确定性时延; \n3、负责设计并开发高性能性能数据采集与分析平台（数据 Pipeline、时序存储、可视化 Dashboard、RESTful/gRPC 接口服务），支撑百万级指标秒级入库与交互式查询; \n4、负责深入Linux 内核关键子系统（scheduler / mm / VFS / block I/O），运用 perf / ftrace / eBPF / Perfetto 等手段定位并消除系统级瓶颈，输出可量化的优化方案; \n5、与算法&底软团队紧密协作，模型算子调用编排优化，看护整体模型算法性能指标，推动优化方案在量产车型上的落地。\n任职要求 / Requirements\n1、本科及以上学历，1年-2年C++ 系统级开发经验; \n2、 深入理解计算机体系结构、操作系统原理、编译与链接机制; \n3、 精通C++开发，熟悉新语言特性，具有良好的代码规范和质量意识，对内存布局优化、Cache 友好数据结构、Lock-Free 编程有实战经验; \n4、熟悉 Linux 内存管理子系统（SLUB / Page Reclaim / Compaction / CMA / ZRAM），了解 cgroup v2 内存控制器工作原理; \n5、熟练掌握驱动Linux 内核性能分析工具链perf / ftrace / BPF (bcc/libbpf) / Perfetto / LTTng / OTel，能独立完成从现象复现到根因定位到补丁验证的完整闭环; \n6、 具备强烈的技术好奇心、工程师自驱力和 End-to-End 问题闭环意识; \n加分项：\n1、有自动驾驶中间件经验者优先; \n2、有开发Agent Skills分析问题经验者优先; \n3、有后台开发&全栈开发经验优先; \n4、具备 Linux系统 或 Android系统、ROS 2系统调优开发经验者优先。","description_format":"text","description_chars":1015,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Autonomous Driving","Automotive Manufacturing"],"lifecycle":[{"event":"open","at":"2026-09-28T19:10:21Z"},{"event":"close","at":"2026-11-03T14:30:18Z"},{"event":"reopen","at":"2026-11-03T19:13:10Z"}],"visa":[],"liveness":{"score":21,"band":"cold","label":"Long shot","p_open":1,"p_active":0.591,"p_room":0.36,"age_days":204,"expected_fill_days":129,"reasons":["conf:3","velocity","win:tail","crowd:brand"],"computed_at":"2026-11-06T05:58:05Z"},"pay":null,"html_url":"https://alion.io/job/iaopeng-idongjiashickaifa","json_url":"https://alion.io/job/iaopeng-idongjiashickaifa.json","meta":{"generated_at":"2026-11-06T17:39:15Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":32865,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-07T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":1822489},"rest":"https://alion.io/mcp/rest/get_company?id=1822489"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fiaopeng-idongjiashickaifa"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fiaopeng-idongjiashickaifa"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fiaopeng-idongjiashickaifa"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/iaopeng-idongjiashickaifa\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fiaopeng-idongjiashickaifa"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":1410701}},{"tool":"search_jobs","arguments":{"company":"xiaopeng.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":1410701},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); 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