1. Participate in the design and development of positioning software for the company's GNSS products;

2. Responsible for software design of GNSS positioning module;

3. Write GNSS positioning software documentation and standardization materials;

4. Resolve GNSS positioning related issues and corresponding bug problems.

1. Bachelor's degree or above, majoring in electronics, communication engineering, automation or related fields;

2. More than 5 years of experience in GNSS software protocol development, familiar with GNSS positioning principles;

3. Rich experience in GNSS product implementation, TSX related experience, product experience in integrating GNSS with cellular/short-range communication, and experience in optimizing GNSS power consumption cost performance are preferred.

1. Responsible for the research and development of firmware related to Bluetooth BLE products;

2. Responsible for the architecture construction, development, and maintenance of product related software platforms (development, testing, application);

3. Research Core Specs related to BLE and participate in the secondary development and maintenance of the protocol stack;

4. Collaborate with the entire chip team to design, develop, and validate related work;

5. Responsible for the certification of Bluetooth chips.

1. Major in computer science, electronics, communication or related fields, with a bachelor's degree or above;

2. More than two years of work experience in Bluetooth development, with practical chip level development experience preferred;

3. Have practical experience in protocol stack development and debugging, able to understand Bluetooth Core Spec;

4. Familiarity with Bluetooth authentication related processes and practical experience are preferred.

1. Responsible for system design, module design, code development, unit testing, and performance optimization of physical layer software such as LTE/5G;  

2. Responsible for the design and discussion of the hardware logic part of communication modules such as LTE/5G in the baseband chip, chip module/link verification, modem system joint debugging, and analysis of system performance; 

3. As a representative of physical layer R&D, participate in the definition, requirement analysis, performance evaluation, and architecture design of new communication products; 

4. Participate in global operator certification testing, equipment vendor IOT testing, and physical layer related problem analysis and resolution in indoor/large-scale field testing during the customer's productization process; 

1. Have a profound understanding of wireless communication systems and digital signal processing principles, familiar with one of the NB-IOT/LTE-CAT1/LTE/NR physical layer protocols in 3GPP; 

2. Proficient in C language or assembly programming, familiar with Matlab simulation tools, and familiar with software development processes based on ARM/DSP; 

3. Proficient in reading English chip documentation, with experience in designing embedded ARM/DSP firmware systems preferred; 

4. Good communication skills, courage to take on responsibilities, and strong teamwork spirit; 

5. Master's degree in communication, electronics, computer related majors, with at least one year of work experience;  Or with a bachelor's degree and at least three years of work experience.

Research, analyze, and implement NB IoT terminal chip application layer (TCP/IP, AT Command, application adaptation) software, complete embedded software application layer design, development, debugging, or integration with applications.

1. Master the basic grammar of C language;

2. Familiar with embedded operating systems such as Freertos, proficient in basic usage of threads, semaphores, etc;

3. Familiar with the TCP/IP protocol stack, experience in LWIP development is preferred;

4. Proficient in home gateway class address allocation protocols, with experience in developing DHCP/RADD/NAT/DNS preferred;

5. Familiar with communication protocols such as HTTP/SSL/MQTT/FTP, with development experience preferred;

6. Proficient in 3GPP extended AT command syntax, with experience in cat1/4 related extended AT development preferred;

1. Responsible for the development and maintenance of debugging tools for the company's PC products, such as log tools, download tools, etc;  

2. Responsible for the development, maintenance, calibration of comprehensive testing tools, numbering tools, etc. for the company's PC production testing (NPI) tools.  

1. Bachelor's degree or above, proficient in C++or C #, Engaged in software development work for more than 3 years;  

2. Experience in developing related R&D tools (such as log tools, download tools) is preferred;  

3. Experience in developing relevant RF calibration tools, proficient in operating CMW500 or other instruments is preferred;  

4. Experience in other related fields such as RF, communication, and automation testing is preferred;  

5. Good teamwork and communication skills.