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Lead Embedded Radio Engineer

Ajax Systems
2 дні тому
20 грудня 2024
Київ
В офісі/на місці
Повна зайнятість

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.

Let’s become a part of the team that creates a smart and useful global product!


Анастасія Кравцова

Ajax Systems
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