Front End Engineer - Team Product H/F
About Alta Ares
Alta Ares is a deeptech startup founded in 2024, building real\-time AI for defense operations (ISR, C\-UAS). Our primary clients are NATO\-aligned militaries, with regular deployments during live exercises. Raised €2M pre\-seed in May 2025\. Products include:
- Real\-time AI ISR module deployable on drones and tactical platforms
- Full\-stack Counter\-UAS (C\-UAS) solution enabling autonomous drone takeover under GNSS\-denied environments
- MLOps platform for training \& deploying military\-grade AI models
- Radar Intelligence platform for fusing and analyzing track data
- Reports to: Head of Product
- Position Objective: Build and scale user\-facing applications across Alta Ares’ platforms, with a strong focus on front\-end excellence and the ability to contribute across the stack when needed
- Tech stack: ReactJS, NodeJS, Kotlin, Python (web servers), Figma
- Contract: Full\-time, permanent position (CDI)
As a Front\-End Engineer, you will own the development of high\-quality interfaces across our software platforms (cloud, on\-premise, and edge deployments) with a strong product\-vision.
While your core strength is front\-end engineering and design systems, you are comfortable contributing beyond the UI layer working with APIs, backend services, and system integrations when required. We are a small and agile company, requiring flexibility.
This role is ideal for engineers coming from SaaS or scale\-up environments who combine frontend craftsmanship with product ownership and versatility.
Your ResponsibilitiesFrontend \& Design Systems* Consolidate existing software products and lead cross\-products code refactors when needed
- Build scalable, maintainable web applications using modern frameworks
- Develop and maintain a coherent design system and reusable component library, in collaboration with our UI/UX designer
- Ensure high standards of UX, consistency, and visual quality across products
- Handle diverse data patterns (real\-time, batch, intermittent connectivity)
- Ensure resilience and usability in constrained or operational contexts
- Ensure reliability in mission\-critical environments
- Debug production issues across the stack when necessary
- Contribute to backend or middleware when needed (API design, data handling, debugging)
- Work across the stack to unblock progress in a small, fast\-moving team
- Maintain high standards of code quality and documentation
- Participate in code reviews and continuous improvement
Candidate Profile* 3–5 years of experience in software engineering, with strong frontend specialization
- Proven experience in SaaS or scale\-up environments
- Strong expertise in modern frontend frameworks (React preferred)
- Solid understanding of design systems and UI architecture
- Comfortable working across the stack (APIs, backend basics, system integration)
- Product\-oriented mindset with a bias for action
- Familiarity with applications deployed outside standard cloud environments (on\-prem, edge)
- Experience with TypeScript across the stack
- Exposure to DevOps or deployment pipelines
- Interest in deeptech, defense, or high\-reliability systems
- Strong attention to detail and UI quality
- Ability to build scalable, reusable components
- Comfortable stepping outside strict role boundaries
- Able to contribute across the stack when needed
- Focused on delivering user value, not just features
- Pragmatic and impact\-driven
- Thrives in small, fast\-moving teams
- Takes ownership and delivers end\-to\-end
- Motivation to work on strategic, high\-impact technologies in Europe
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