Lead Embedded Radio Engineer

6 часов назад

Kyiv Kyiv City Lviv Lviv, Украина Ajax Systems Полный рабочий день 60 000 ₴ - 120 000 ₴ в год
Ajax Systems is a full-cycle company working from idea generation and R&D to mass production and sales. We do everything: we produce physical devices (the system includes many different sensors and hubs), write firmware for them, develop the server part and release mobile applications. The team is distributed among 2 offices in Kyiv and Lviv, all technical and product decisions are made locally. Ajax already released and continuously improves Malevich OS, which is a heart of our Hub's. Now we are looking for  Embedded Radio Engineers who are ready to make our system better with us. For us never could be enough: there are still a lot of new functionality, sensors, features to make our system even cooler. Required skills:
  • Proven experience in short range devices development for commercial products;
  • Understanding wireless technologies (e.g. Wi-Fi, Bluetooth, Zigbee, LoRa, NB-IoT) and protocols stack;
  • Work with RF tools to capture, transmit and analyze RF signals from/to radio broadcast. Vector network analyzer, signal generator, spectrum analyzer, software defined radio;
  • Knowledge about circuit/block design of RF receiver/Transmitter, frequency synthesizer, mixers, digital signal processing, antennas arrays. Understand interferer and collision in RF, methodology of resolve conflicts in RF;
  • Understands different modulation techniques (AM, FM, PM, ASK, FSK, PSK, QAM), understands emit RF spectrums depend of modulation, understands receiver sensitivity, budget of RF channel;
  • Knowledge of embedded coding techniques, interfaces (e.g. SPI, I2C, UART, CAN, RS485) and subsystems.
Would be a plus:
  • Experience with ARM Cortex M (STM, Realtek, TI etc);
  • Scripting languages Python, Bash;
  • Commercial experience with specific real-time operating systems;
  • Understanding regulatory of usage radio frequency;
  • Good hands-on experience of software engineering fundamentals such as testing, continuous integration, continuous deployment, pull requests and code reviews, source control, work item/issue tracking.
Responsibility zone:
  • Participate in the full embedded software life cycle for RF solutions: choise, design, implementation, code reviews, documentation, testing and validation;
  • Fine tune RF chips for best performance;
  • Create test environment to validate quality gates for radio solutions;
  • Analysis and systematic problem solving for reported issues;
  • Cooperate with electrical engineers to perform verification of new hardware from radio perspective. Review and provide feedback on the firmware specific aspects of hardware design;
  • Be ready to mentoring of newcomers|trainee coworkers.
With us you will enjoy:
  • Working with a team to build an industry's future;
  • The opportunity to propose and implement own ideas that have an impact on the product and production;
  • Work in a motivated team and zero bullshit culture;
  • Non-trivial challenges and various range of interesting tasks;
  • Competitive salary;
  • Medical Insurance;
  • Corporate English;
  • Compensation for speciallized training;
  • The opportunity to participate in the beta test project of Ajax security systems — receiving and testing new gadgets before their release.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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