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About the position

We are looking for a Middle Data Science / Computer Vision Engineer to join a team developing autonomous UAV capabilities for challenging operating environments, including scenarios with limited or unavailable GNSS and operator connectivity.

The role is focused on Computer Vision and Machine Learning for real-world autonomous systems. You will work on algorithms for optical navigation, object detection and tracking, and other perception tasks, with a strong emphasis on deployment to onboard computing platforms and validation in simulation, on the bench, and during flight tests.

We are looking for an engineer who is comfortable working beyond the model itself - analyzing system behavior, investigating test results, identifying root causes, and turning prototypes into reliable solutions that can operate on real UAV platforms.

Must have skills:

• Middle-level experience: approximately 2+ years of practical Data Science / Machine Learning experience with Computer Vision as the primary specialization
• Strong Python skills
• Hands-on experience with PyTorch and/or TensorFlow
• Hands-on OpenCV experience
• Good understanding of modern CNN- and Transformer-based CV architectures
• Practical experience in several of the following areas: object detection, object tracking, classification, segmentation, feature extraction/matching, image registration, motion estimation
• Understanding of Computer Vision geometry: camera models, coordinate systems, camera calibration, transformations, and projective geometry
• Good foundation in linear algebra, probability, and statistics
• Experience with Linux, Git, and sound software engineering practices
• Ability to work with imperfect real-world data collected from field systems and flight tests
• At least an Upper-Intermediate level of English (spoken and written)

Your tasks will include:

• Develop and improve Computer Vision algorithms for UAV applications
• Develop object detection, classification, and tracking algorithms
• Work on optical navigation, Visual Odometry / Visual-Inertial Odometry, feature matching, image registration, and visual localization
• Train, fine-tune, and evaluate models using proprietary datasets
• Build and optimize real-time CV pipelines
• Optimize inference for edge platforms with limited compute resources
• Integrate DS/CV components with navigation, flight controllers, telemetry, and guidance logic
• Participate in simulation, bench, and flight testing
• Analyze failed tests and algorithm degradation, and improve robustness

We offer:

• Delivering high-end software projects that address real-world problems
• Surrounding experts who are ready to move forward professionally
• Professional growth plan and team leader support
• Taking ownership of R&D and socially significant projects
• Participation in worldwide tech conferences and competitions
• Taking part in regular educational activities
• Being a part of a multicultural company with a fun and lighthearted atmosphere
• Working from anywhere with flexible working hours
• Paid vacation and sick leave days

We're looking for a mature, Senior/Lead PHP Engineer with deep Laravel expertise and hands-on experience building or integrating agentic AI systems. You'll take ownership of complex backend features end-to-end, mentor other engineers, and help shape how AI-driven automation and agents fit into our product and internal workflows.

About the client:

Our client is a leading online car marketplace group operating across Europe and North America, bringing together market-leading brands to shape the future of our industry by combining the best of both regions.

What You'll Do:

• Design, build, and maintain robust backend services and APIs using PHP and Laravel
• Own features from technical design through deployment and monitoring
• Integrate and orchestrate agentic AI workflows (e.g., LLM-based agents, tool-calling pipelines, autonomous task runners) into existing products or internal tooling
• Improve system performance, reliability, and security across the stack
• Stay current with the PHP/Laravel ecosystem and emerging agentic AI tools and patterns

What You Need to Succeed:

• 6+ years of professional PHP development experience
• 4+ years building applications with Laravel (or comparable modern PHP framework experience with strong Laravel proficiency)
• Solid database skills (MySQL/PostgreSQL), including query optimization and schema design
• Familiarity with containerization (Docker) and cloud deployment (AWS, GCP, or similar)
• Strong communication skills and the judgment to work independently on ambiguous problems
• Hands-on GenAI experience — you've built with LLM APIs, tool/function calling, retrieval, agents, or agent frameworks and put them into real workflows.
• Modern AI coding tools (e.g., Claude Code, Codex) are part of how you work day to day.
• Strong communication and collaboration skills — you work well in a team, share your opinions clearly, and can move a topic forward with people across functions.
• Solid engineering fundamentals: testing, debugging, code quality, and getting things production-ready.
• English - at least Upper Intermediate+
• Work in EDT (Toronto) time zone

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers

Відкрита позиція Guidance, Navigation and Control (GNC) Engineer в американсько-українській мілтех-компанії.

Фахівець займатиметься розробкою та тюнінгом інтеграції польотних контроллерів з навігаційним стеком мультироторних та літакових платформ.
 

Формат роботи: з офісу у Києві. Є релокаційний пакет.

Компанія пропонує:
• офіційне працевлаштування та бронювання з перших днів;
• гнучкий графік роботи;
• медичне страхування для співробітника та двох близьких;
• автономний офіс з усім необхідним та оплачуваними обідами.

Вимоги: досвід з польотними контроллерами (Ardupilot, PX4), навігаційними системами дронів, Sensor Fusion, Python/C/C++.

We are looking for a Senior RF Engineer to take ownership of the radio communication subsystem across the full development cycle — from RF architecture and PCB design to embedded firmware, system integration, laboratory characterization, and field validation.

The role requires strong hands-on experience with RF hardware, antennas, embedded systems, digital communications, and communication links operating in complex and interference-heavy environments.

Scope of Expertise

RF Front End and Antennas

• RF circuit and PCB design, controlled impedance, and impedance matching.
• Receiver and transmitter chains: LNA, power amplifiers, filtering, and noise figure optimization.
• Frequency synthesis, phase noise, shielding, and power supply design for RF subsystems.
• Antenna integration on compact mobile platforms, including placement, radiation patterns, VSWR, and isolation between co-located radio systems.

Electromagnetic Compatibility

• Mitigation of interference generated by compute modules, motor controllers, switching regulators, and power electronics.
• Protection of GNSS receivers from onboard electromagnetic interference.
• EMI/EMC analysis and practical mitigation at board and system level.

Signals, Protocols, and Networking

• Modulation schemes, forward error correction, and trade-offs between range, data rate, and robustness.
• Frequency hopping and spread-spectrum techniques.
• Synchronization between radio nodes.
• Mesh networking: multiple access, airtime scheduling, relaying, routing, and network degradation/recovery after node loss.
• Understanding of LoRa / LPWAN technologies, including their capabilities and practical limitations.
• MAVLink protocol structure, telemetry streams, and integration with flight controllers.

Embedded Firmware

• STM32 development in C using HAL/LL.
• MCU peripherals, DMA, interrupts, and timers.
• Low-level communication with radio transceivers via SPI, UART, and I2C.
• Embedded firmware debugging using oscilloscopes, logic analyzers, and other laboratory tools.

Operation in Contested RF Environments

• Anti-jamming techniques and frequency agility.
• Detection of interference or jamming and adaptive channel response.
• Approaches to reducing the probability of detection and interception.
• Communication-link robustness against spoofing and intentional interference.

RF Measurement and Validation

• Link-budget calculation and analysis.
• Spectrum analyzer and vector network analyzer operation.
• Development of laboratory and field test methodologies.
• Quantitative characterization of communication-link performance under interference.
• Support for regulatory testing and certification.

Responsibilities:

• Audit the existing RF subsystem, including schematics, PCB layout, RF front end, and antenna architecture.
• Identify technical risks and prepare a clear improvement and revision plan.
• Design and release the next revision of the RF PCB, from schematic capture through laboratory characterization.
• Develop firmware for STM32-based radio modules, including transceiver drivers, protocol-layer functionality, and node synchronization.
• Build and maintain a link-budget model for the target system, including degraded and worst-case scenarios.
• Develop antenna solutions and ensure compatibility between multiple co-located radio systems.
• Contribute to mesh-network architecture, including channel parameters, node-loss behavior, network recovery, and fallback routing.
• Integrate the telemetry link with the flight controller via MAVLink.
• Define and execute laboratory and field validation campaigns.
• Quantitatively evaluate communication-link performance under interference and jamming.
• Produce technical documentation suitable for external technical review.
• Support preparation for regulatory certification.
• Perform technical evaluation of RF-related suppliers and components.

Out of Scope:

This role does not cover:

• autonomous navigation and flight-control software;
• computer vision;
• airframe mechanical design;
• ground control station software.

Required Qualifications:

• 7+ years of professional experience in RF and wireless communication systems, with hardware that has been successfully brought to production or real-world deployment.
• Proven experience across the full development cycle:
  schematic → PCB layout → firmware → bring-up → field validation.
• Strong STM32 programming skills in C.
• Hands-on experience with antenna integration on compact or mobile platforms.
• Strong practical experience with RF measurement equipment.
• Solid understanding of digital communications sufficient to make engineering decisions regarding channel parameters and system architecture.
• Ability to produce clear technical documentation in English.
• Comfortable working in a small engineering team with tight deadlines and an evolving technical scope.

Nice to Have

• Practical experience with mesh networks beyond simple point-to-point communication.
• Experience with electronic warfare environments, anti-jamming techniques, or operation in congested RF spectrum.
• Experience with unmanned systems, avionics, or platforms with strict size, weight, power, and energy constraints.
• Production experience with LoRa and MAVLink.
• Experience taking a radio product through regulatory certification.