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Location
In office (Madrid)
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 29, 2026. First seen by Alion on Sep 29, 2026.

Overview
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Flyer One Ventures is a seed-stage venture capital firm. It invests in European founders, particularly from Ukraine and Central and Eastern Europe, who build global technology startups, backing them at the pre-seed and seed rounds. The firm has its roots in Kyiv and supports founders expanding into international markets such as the United States and Western Europe.

We’re partnering with an early-stage European defence-tech company building autonomous robotic systems designed to operate in real-world environments.

The team is developing next-generation autonomy technology, with a current focus on aerial robotics and counter-drone systems. Their work brings together robotics, AI, perception, embedded software and physical hardware to create autonomous systems that can perform reliably beyond controlled laboratory conditions.

This is an opportunity to join a small, highly technical engineering team where you’ll have meaningful ownership of the robotics software, contribute to architectural decisions and see your work move from simulation to real-world testing.

What you'll own:

  • Robotics & autonomy software: Design, develop and maintain software that enables autonomous robotic systems to perceive, navigate and operate in complex environments.

  • Software architecture: Build scalable and reliable robotics software, working with C++, Python and ROS2 to develop and integrate components across the autonomy stack.

  • Simulation & sim-to-real: Develop and improve simulation workflows using Gazebo and/or NVIDIA Isaac, helping bring algorithms and software from simulation onto physical platforms.

  • System integration: Work closely with perception, controls, embedded and hardware engineers to ensure different parts of the system operate together reliably.

  • Real-world testing: Participate in integration, debugging, validation and testing on physical robotic systems, using real-world results to improve software performance.

  • Technical ownership: Take responsibility for your work from initial design through implementation, testing and deployment, contributing to technical decisions as the product evolves.

Who we are looking for:

  • Strong software engineering experience in robotics, autonomous systems or a closely related field.

  • Hands-on experience developing software in C++ and Python.

  • Practical experience with ROS2, including developing and integrating robotics software components.

  • Experience working with Gazebo and/or NVIDIA Isaac for robotics simulation.

  • Good understanding of robotics software architecture and how different components interact within an autonomous system.

  • Experience working with physical robotic platforms and solving integration challenges beyond simulation.

  • Ability to take ownership of complex engineering problems and deliver practical, reliable solutions.

  • Comfortable working in English within a collaborative, multidisciplinary engineering team.

Nice to have:

  • Experience with UAVs, drones or other autonomous vehicles.

  • Familiarity with PX4 or other autopilot frameworks.

  • Experience with navigation, SLAM, sensor fusion or motion planning.

  • Exposure to guidance and control algorithms.

  • Experience with hardware-in-the-loop testing, field testing or embedded systems.

  • Previous experience in defence, aerospace or other safety-critical engineering environments.

What kind of engineer will thrive here:

  • Ownership-driven - you enjoy taking responsibility for complete features and systems, not just isolated development tasks.

  • Hands-on and pragmatic - you’re equally comfortable writing software, investigating integration issues and testing on physical hardware.

  • Comfortable with ambiguity  - you can make progress when requirements are evolving and not every process has been established.

  • Systems-minded - you understand that reliable autonomy depends on how software, sensors, algorithms and hardware work together.

  • Curious and adaptable  - you enjoy learning new technologies, exploring unfamiliar problems and working across engineering disciplines.

  • Collaborative - you communicate clearly, share knowledge and enjoy solving challenging problems alongside a small technical team.

Why join now

You’ll be joining at an early stage, when important engineering decisions are still being made and individual contributions can have a direct impact on the product.

Unlike roles focused exclusively on research or simulation, this opportunity offers the chance to work across the full development cycle - from software architecture and algorithm integration to testing autonomous systems in the physical world.

You’ll work closely with experienced engineers across robotics, AI, perception and embedded systems, helping build European autonomous defence technology with real operational applications.

If you’re a robotics engineer who enjoys building complete systems, taking technical ownership and seeing your software operate on real hardware, we’d love to hear from you

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