北京招聘

Responsibility
Responsible for SW design & implementation with good documentation according to technical requirement, implement clean code with enough self-representive automatic UT and SST cases;
Responsible for test case design according to requirements and perform functional test;
Responsible for document review, code review, test case review cross-functional team for early defect detection to make sure the development goal achieved with high development quality;
Responsible for product maintenance including generic issue resolution, quick response for field issue and support to TEC team;
Apply new methodology and tools of design, code and process for higher quality and efficiency;

Qualifications
Required domain knowledge (Data Area or VoIP Area):
GPON Specification (ITU-T G984/987/988), experience in developing related area is preferred;
EPON Specification (CTC EPON technical spec, IEEE 802.3ah/av), experience in developing related area is preferred;
xPON and switch chipset (Broadcom, Marvell, etc.) SDK, experience in developing related area is preferred;
VoIP protocol (SIP, H248, IUA, etc.), experience in developing related protocol stack is preferred;
VoIP DSP technology, experience in VoIP DSP and SLAC/SLIC chipset (MSPD, Zarlink, LANTIQ, BCM, etc.) is preferred;
VoIP service and IMS core architecture, related SW development experience in those products are desired;
SW development experience in Linux Kernel, Network and Driver are preferred;
SW development experience in management application based on SNMP, TR069, GPON OMCI, EPON OAM are preferred;
L2/L3 forwarding / routing protocols;
Knowledge in telecom products such as DSL/PON/ONT/MDU/Router/Switch is preferred.
Required SW skills:
Well understanding in embedded OS (linux or vxworks);
Experienced in embedded software development, especially in real time multi-process development environment;
Versed in C/C++ and script languages;
Familiar with OO design and SW testing methodology;
Good skills in trouble shooting and debug in embedded development environment;
Other required abilities:
Fluency in English and good communication skills;
Good teamwork spirit, Creative and Initiative;

北京瑞友科技股份有限公司（Beijing RayooTech Co., Ltd.）是全球化专业软件与信息技术服务供应商，我们致力于为全球客户提供IT应用系统规划、设计、开发、维护服务和技术人员现场服务等个性化IT服务TM，最大限度地为客户创造价值，与客户共赢共荣。
作为中国IT 服务的领先企业，瑞友科技是“国家规划布局内重点软件企业”和首批入选的中国科学技术部“中国软件欧美出口工程”(COSEP-A) A类企业，2004年，公司率先整体通过美国SEI CMM5 级评估的中国公司；2005年，再次整体通过美国SEI CMMI5级评估。2007年，成为通过BSI( 英国标准协会) ISO 27001: 2005 现场认证的首家中国公司。2009年，公司获得ISO9001:2000质量管理体系认证。
北京瑞友科技股份有限公司总部设在北京，在日本设有营销服务机构，在上海、西安、杭州设有研发和项目交付基地，并与日本最大的系统集成商NTTDATA公司在西安成立了合资公司。
公司使命：致力于向全球客户提供个性化IT服务TM，不断为客户创造价值，以此推动人类社会的进步。
发展愿景：通过服务的持续改进，成为客户长期信赖的合作伙伴；通过不断的创新和发展，成为全球优秀的IT服务供应商。
服务宗旨：为客户着想，与客户共赢（Think Customer, Act win－win）
企业文化：创新、创造、创业；亲和、务实、严谨；互助、合作、信赖