大仪加行

Corporate culture

We pursue and shape a culture of truth-seeking engineers, seeking partners who share common values and are passionate about industries such as hard technology, aerospace, and new energy.

We will provide competitive compensation and benefits plans, and help our partners gain opportunities for continued education in technology and academia.

If you are interested in the following positions, please contact us:

E-mail：xiaomei.wang@dyiplus.com / guixia.lu@dyiplus.com

Tele：0755-86717160

C++/C# Software Communication Engineer

Locations: Harbin / Beijing

Responsibilities:

1、Participate in the scheme demonstration and design of satellite communications, TT&C, and data transmission systems;

2、Contribute to the design and debugging verification of satellite-to-ground telemetry/command and data transmission algorithms;

3、Develop upper-level software for TT&C/data transmission terminals based on the QT framework, implementing communication control, data parsing, status monitoring, and visualization functions;

4、Responsible for the joint debugging, testing and integration of upper computer software and underlying hardware, and compile relevant technical documents and test reports.

Qualifications:

1、Major in Communication Engineering, TT&C, Electronic Information, Computer Science or related fields, with a Master's degree or above, and over 5 years of relevant experience;

2、Familiar with the basic principles of satellite communication and TT&C, possess relevant knowledge of spread spectrum communication systems, and understand key technologies such as modulation and demodulation, signal synchronization;

3、Expertise in C++ development with 3+ years of practical QT framework project experience, including familiarity with QT core mechanisms and UI development;

4、Knowledge of TCP/IP, serial port, UDP, and other communication protocols, with network programming and multithreading capabilities;

5、Strong document writing skills with good writing habits, teamwork spirit, and ability to work under pressure.

Preferred Qualifications:

1、Proven experience in QT upper computer software development in fields such as satellite communication, aerospace TT&C, data acquisition;

2、Familiar with data visualization libraries such as QWT and QChart, or possess a background in industrial control or instrumentation software development;

3、Understand the application of databases (such as SQLite, PostgreSQL) in QT.

Salary: 15K - 25K

FPGA Software Engineer

Locations: Harbin / Beijing

Responsibilities:

1、Participate in the scheme demonstration and architecture design of satellite communication, TT&C, and data transmission systems. Optimize solutions based on satellite link characteristics (Doppler shift, channel attenuation, noise interference) to ensure link stability and transmission efficiency;

2、Lead full-process development of satellite-to-ground telemetry/command and data transmission core algorithms, including modulation/demodulation, spread Spectrum /dispreading, signal acquisition/tracking, synchronization correction and anti-interference design. Complete link-level simulation and real-scenario debugging and validation;

3、Lead coding, simulation and logic verification of core FPGA modules for TT&C / data transmission integrated equipment, including communication protocol parsing and data frame processing;

4、Manage FPGA resource planning (LUTs, BRAM, DSP slices) and timing optimization to resolve high-speed signal transmission and timing bottlenecks, meeting core performance metrics like link bandwidth and low bit error rate;

5、Authored algorithm design specifications, FPGA development documentation, test plans, and reports. Compiled protocol adaptation notes and fault analysis reports to establish a comprehensive technical documentation archiving system;

6、Collaborated with the hardware team to complete joint debugging of FPGA with RF modules and baseband circuits. Utilized test equipment to validate link performance and troubleshoot issues such as signal distortion and protocol anomalies.

Qualifications:

1、Major in Communication Engineering, TT&C, Electronic Information or related fields, with a Master's degree or above, and 3 years or more of experience in satellite communication, wireless communication or FPGA development;

2、Solid theoretical foundation in satellite communications and TT&C; familiarity with baseband design processes for spread spectrum systems; expertise in modulation/demodulation (BPSK/QPSK/8PSK, etc.), spread spectrum/dispreading, channel coding, and signal acquisition/tracking techniques;

3、Proficient in using MATLAB/Simulink/ModelSim for link simulation, algorithm verification, and performance analysis; capable of independently completing full-process modeling and validation;

4、Expertise in VHDL/Verilog; experience in FPGA project development using Xilinx/Actel; familiarity with the entire development process; experience with high-speed interfaces (PCIe and JESD204B) is preferred;

5、Skilled in operating test instruments including oscilloscopes, spectrum analyzers, and logic analyzers; capable of independently completing FPGA board debugging, link performance testing, and fault localization;

6、Experience in spread spectrum communication and satellite TT&C/data transmission link design is preferred; development or mass production experience with satellite payload communication modules is advantageous;

7、Familiarity with CCSDS protocols, experience in protocol adaptation and frame structure design, with preference given to candidates capable of optimizing protocol parameters based on requirements;

8、Possess excellent technical communication and team collaboration skills, able to efficiently cooperate with cross-functional teams to advance projects, and have strong problem-solving capabilities, stress resistance, and a strong sense of responsibility.

Salary: 15K - 25K

LabVIEW Application Engineer

Locations: Beijing

Responsibilities:

1、Participate in the scheme demonstration and design of satellite communication, TT&C, and data transmission;

2、Participate in design, simulation, and debugging of satellite-to-ground telemetry / command and data transmission algorithms;

3、Responsible for LabVIEW code writing and simulation for TT&C / data transmission integrated device;

4、Responsible for compilation and collation of algorithm design documents and test reports.

Qualifications:

1、Major in Communication Engineering, TT&C, Electronic Information or related fields, with more than 5 years of work experience and a Master's degree or above;

2、Experience in communications baseband design; familiarity with satellite communications and telemetry/telemetry fundamentals; proficiency in modulation / demodulation, spread spectrum techniques, and signal acquisition;

3、Background in communication systems and TT&C systems is preferred;

4、Skilled in using simulation tools such as MATLAB/Simulink;

5、Practical project development experience in LabVIEW FPGA is preferred;

6、Skilled in operating various devices including oscilloscopes, spectrum analyzers, and logic analyzers;

7、Work experience in related fields such as spread spectrum communication and TT&C communication is preferred;

8、Good communication skills with team spirit and ability to work under pressure.

Salary: 15K - 25K

Hardware Design Engineer

Locations: Shenzhen

Responsibilities:

1、Design product schematics and PCB layouts using tools like Altium Designer or Cadence.

2、Perform product testing and debugging with instruments such as oscilloscopes and waveform generators.

3、Provide pre- and post-sales support and collect customer requirements.

Qualifications:

1、Experience in schematic design and PCB layout, with proficiency in Altium Designer or Cadence.

2、Experience with multi-layer PCB design (8+ layers) and high-speed signal routing is preferred.

3、Proficient in using testing equipment such as oscilloscopes and waveform generators.

4、At least 2 years of relevant work experience.

Salary: 7K - 25K

Electronics Circuit Engineer

Locations: Shenzhen

Responsibilities:

1、Familiar with operational amplifiers and their practical applications.

2、Select materials and components according to project requirements, design circuit schematics, and produce PCB layouts and BOMs.

3、Develop software for STM32 processors using C language.

4、Draft design reports and testing documents.

5、Ensure proper usage and application of cables and connectors in compliance with safety requirements.

Qualifications:

1、Bachelor’s degree or above in electronics-related fields with at least 2 years of experience.

2、Proficiency in EDA tools such as Altium-Designer, PADS, or Cadence Allegro.

3、Strong theoretical foundation and circuit design/debugging skills.

4、Skilled in using common instruments such as digital multimeters, signal generators, and oscilloscopes.

5、Passionate about work, with an innovative and patient approach.

Salary: 12K - 30K