Join SE3 Labs as a UI/UX Software Engineer

Design and build intuitive, high-performance interfaces for autonomous systems, turning complex operational capabilities into software that people can use confidently in the real world.

About SE3

SE3 Labs builds spatial intelligence and autonomy software for unmanned systems. We combine 3D computer vision, state estimation and AI to help autonomous platforms perceive their surroundings, know where they are and operate when GPS and other sensors become unreliable. Defence is a core application of our work today.

We are growing to a team of 100+ people. Join at a stage where you can shape our future, help us build the team and grow your responsibilities as the company expands.

Our founding team’s research has received more than 90,000 citations. You will work closely with technical founders and engineers with deep experience in computer vision and autonomous systems, turning that research depth into systems that work in the field

About the Role

As a UI/UX Software Engineer at SE3 Labs, you’ll take ownership of how our software looks, feels and performs. Your core challenge is to build one coherent interface system that works across many contexts: different devices, screen sizes, plugins and product features, from large command displays to small field devices with limited computing power. You’ll combine UX/UI design with hands-on front-end development, working closely with our software team. From integrating 3D visualisations to building interfaces for military personnel in the field, you’ll help shape a product from the ground up and see the direct impact of your work.

What You’ll Work On

Coherent UI System & Front-End Architecture: Design and build a modular, well-structured front-end and a consistent design language that spans our whole product range. Make it easy to add new plugins and features, and to run on different systems and devices, without losing consistency or maintainability.
UX/UI Design & Implementation: Work with the team to understand user needs, design and wireframe interfaces, and turn them into working software. Own both the user experience and the code that brings it to life.
Multi-Device & Performance: Build interfaces that adapt across small screens, tablets and large displays, and stay responsive on resource-constrained hardware. Identify bottlenecks, optimise rendering and deliver a smooth experience without relying on high-end devices.
3D Visualisation Integration: Integrate 3D visualisations into the user interface so that they work smoothly alongside other features, including on devices with limited computing resources.
Plugin & Feature Interfaces: Build reusable UI components for different plugins and product features, so that third parties and internal teams can extend the platform in a consistent way.
Usability for Operational Environments: Help design interfaces for military personnel working in demanding conditions. Consider intuitive workflows, clear information hierarchy and established conventions such as NATO symbology. Learn from real user feedback and improve continuously.
Collaboration & Product Evolution: Work closely with the software team to understand customer needs and translate them into design and engineering decisions. Help shape how the interface evolves as the product grows, and look for ways to simplify workflows and make new capabilities easier to understand.

Your Profile

You enjoy building a coherent system rather than a single screen: one design language and one component structure that works across many plugins, systems and devices.
You bring hands-on experience designing and implementing user interfaces for software products, with a focus on intuitive, usable experiences across different devices and screen sizes.
You have built structured, responsive and maintainable front-end applications, not just static designs or isolated prototypes, and you know how to organise code into reusable components and modular structures.
You can move between UX/UI design and software development, turning wireframes and requirements into working interfaces and making informed decisions about both usability and implementation.
You care about performance as well as appearance, and you work methodically to improve the experience across different hardware.
You work well with engineers and other stakeholders, explore different approaches and turn ideas into practical solutions.
You take initiative, enjoy open-ended problems and want to help build and shape a product rather than maintain an established interface.
You’re interested in software for real-world use, where clarity, reliability and ease of use matter as much as visual design.
You’re happy to work on-site with the team in Munich.

Especially Valued Bonus Skills

3D Visualisation: Experience integrating interactive 3D visualisations into software interfaces, particularly using Unreal Engine or similar technologies.
Performance on Constrained Hardware: Experience optimising front-end applications for low-compute devices, limited resources or demanding real-time requirements.
Complex Operational Interfaces: Experience designing interfaces for complex systems where users need to interpret spatial information, symbols or multiple sources of information quickly.
Gaming or Real-Time Visualisation: Experience in 3D gaming, motorsport, simulation or other fields where responsive interfaces and real-time visual feedback are important.
Building from Scratch: Experience establishing a front-end architecture, reusable component system or coherent design language for a new product or platform.

Perks & Benefits

Real Ownership: Participate in SE3’s growth through our employee participation programme
Work Environment to Excel at: Find a high-quality and modern toolset, flat hierarchy and a skilled, driven team which will push the limits together with you
AI-boosted workplace: We empower every employee with best-in-class AI tools and agents, giving you unlimited access to the latest advancements and a true productivity edge
31 Paid Days Off: 30 vacation days plus your birthday off
Well-being Access: Free membership to gyms, yoga, and wellness through EGYM Wellpass
Team Offsites: We go on 2 company retreats per year, our last ones were in Italy and Greece
Mentorship: Work closely with experienced engineers and get paired with a professional mentor to support your growth

Our Process

Intro Call (30 minutes): An initial conversation to discuss your experience, motivation and interest in SE3 Labs, alongside an introduction to the role and our working environment.
Hiring Manager Interview (45 minutes): Discuss your experience, approach to software development and UX/UI design, and how you would contribute to the team.
Technical Deep Dive (90 minutes): Explore your technical capabilities in more detail, including front-end architecture, interface design and implementation, responsive development and problem-solving.
Team Lunch or Dinner: Meet members of the team, get a feel for how we work together and learn more about life at SE3 Labs.

UI/UX Software Engineer

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