公司介绍：叠拓信息技术有限公司 （Tieto），是一家芬兰独资的上市公司，成立于1968年，总部位于芬兰的赫尔辛基，其分支机构遍布全球30多个国家，全球员工约18000名，是北欧最大的IT服务提供商，业务领域涵盖IT研发和咨询，行业领域包括通信，林业造纸业，金融保险业，汽车、健康福利、零售、能源及其政府公共服务业。在通信研发领域，叠拓排名欧洲第一，是欧洲软件服务三大巨头之一。 在欧洲，114家全球电信网络使用我们的信令解决方案，400家报刊杂志也使用我们的IT方案，90%的移动运营商使用叠拓的IT服务。            
                    
        叠拓中国于2003年在北京成立。随着业务的发展，于2008年和2010年分别在成都和杭州成立的分公司。至今，叠拓中国已拥有1500名员工，其中成都叠拓已成为成都最大的外资IT研发中心。叠拓中国致力于智能手机软件开发(Iphone, Android, Windows Phone) 及TD-SCDMA, LTE等网络开发。                     
                                                                          
        薪资待遇面谈。人性化的企业文化，五险一金，补充医疗保险，公司提供手机，电话卡，加班很少（有1.5-3倍加班费或倒休），相关培训，12天带薪年假+12天带薪病假，免费饮料，电影票，生日蛋糕礼券，体检，年会，公司和部门的Team outing, 每周发放一次水果，多个俱乐部                     
                                          
        工作地点：北二环雍和宫                     
                                                         
        如感兴趣请注明应聘职位，请联系我HR Angela, 我邮箱shufang.wang@        
   
  
 Position 1: Senior IOT Lab Test Engineer  北四环工作 有地铁
  
 Responsibilities:  
 1. Conduct TD-SCDMA/TD-LTE/WCDMA UE System Integration Test (including HW, telecom SW,platform SW)  
 2. Conduct the interoperability test with infrastructure vendors about TD-SCDMA/TD-LTE/WCDMA/GSM mode  
 3. Create and Design the effective test case and test spec for the function and performance of UE system  
 4. Need provide the effective analysis for issues or problems after testing  
 5. Need communicate with infrastructure vendors and the development team and related interface effectively  
 6. Provide the effective and test report and test result of high quality  
  and Conduct the troubleshooting for the key issues and issues related to network  
  
  
 Requirements:  
 1. Bachelor or master in Communication/test area  
 2. Knowledge on 3GPP/CCSA/ETSI standards  
 3. Knowledge and experience with TD-SCDMA/LTE/WCDMA protocols (NAS, RRC, RLC/MAC, L1, etc)  
 4. System Knowledge on GSM/GPRS/EDGE/ Interoperability is a plus  
 5. Experience with TD-SCDMA/TD-LTE/WCDMA system test, IOT  
 6. Familiar with test method or test instruments for Phone function and performance  
        
            
  Position 2: Senior PTK/RF Calibration Engineer - PTK (Production Tool Kit): 有过生产线软件开发经验 有过硬件知识优先考虑 工作地点雍和宫
Job Request:  
 o    C++/C#  
 o    RF Calibration experience and skills.  
 o    HW Knowledge in terms of ability to understand and use HW descriptions and specifications  
 o    Ability to read and understand the 3GPP specifications in general and the air interface in specific  
 o    Instrument knowledge (hands on) and measurement technology  
 o    Test and production experience within the mobile communication industry  
 o    High skills in the following Tools:  
 o    MS Visual Studio  
 o    RF instrument handling  
 o    Fluent English in writing and speaking  
 Key responsibilities:  
 o    Development and maintenance of PTK (Production Tool Kit), a PC host SW to execute ITP calibration and test as well as controlling the complete test system.  
 o    Provides solution for customer Production (test and calibration)  
 o    Provides solution for hardware design verification  
 o    Responsible for SW development, integration & verification, configuration management and releases of PTK  
   
      
   Position 3: Windows Phone Software developer  最好有手机开发经验 底层开发经验不是必须的 工作地点为北京南部 有班车   
      
     Job Description      
     Role & Opportunity:      
            
      We are looking for a strong developer who is passionate about the next wave of Windows Phone based devices. An ideal candidate must feel comfortable with drivers/kernel level software development and debugging, and must have design and development experiences in one or more of the following areas: ACPI/UEFI and embedded firmware/OS, HAL/BSP and device/storage drivers, Graphics drivers and DirectX, Wi-Fi/Mobile-3G/Bluetooth and networking stacks. You should possess a strong technical background and a good grasp of software engineering principles, exceptional problem solving, design, programming, and debugging skills. A demonstrated ability to come up-to-speed quickly on a new technical domain is presumed.      
            
      Responsibilities:      
            
      Bring up of Windows Phone OS on new HW platform      
     - BSP and device driver development and debugging/problem solving at the lowest layers of the system.      
     - SW configuration for the Engine programs and products      
     - Own area technical failure handing (New failure reports, Traces / debug information for failures, Fix proposals for the Nokia Asset teams, Chipset supplier, Microsoft, Fixes verification, Error fixes )      
     - Driver implementation.      
     - Analysis of stability tools reports and performance optimization activities      
     - Successful HW / system bring-up.      
     - SW integration & custom images      
            
      Qualifications:      
            
      - BS in Computer Science (MS is a plus). 3-4+ years of relevant software development experience in C/C++      
     - Experience with embedded device development on Windows Mobile, WinCE or Windows Phone 7      
     - Experiences with BSP, drivers and kernel      
     - Experience working at low levels of the software stack, device driver development, and integration of HW/SW.      
     - Excellent debugging, problem solving, and analytical skills.      
        
        
    Position 4: C# Software Engineer  工作地点为北京南部 有班车   
        
    The project is to make a DLL lib written in C#. The DLL, as a middleware is part of production line system, it is responsible for message and data sending and receiving between production tool and mobile phone.   
        
    Qualifications:   
   o BS in Computer Science, 2-3 years of relevant software development experience in C#   
   o Experience in C# program is a must.   
   o Understanding to mobile phone product line is a plus.   
   o Good oral English is a plus.   
   o Understand requirements from production line.   
   o Understand interface messages between PC and phone.   
   o TDD knowledge is a plus.   
   o Good debugging, problem solving, and analytical skills.   
   o Good communication and cooperation skills