Front End Engineer - H/F
About Alta Ares
Alta Ares is a deeptech startup founded in 2024, building real\-time AI for defense operations — ISR, C\-UAS, and autonomous systems. Our clients are NATO\-aligned militaries and defence institutions, with regular deployments during live exercises and operational demonstrations. We raised €2M seed in May 2025, 50M in June 2026, and are expanding fast.
Our product suite includes:
- Real\-time AI ISR module deployable on drones and tactical platforms
- Counter\-UAS solution enabling autonomous drone takeover in GNSS\-denied environments
- Full\-stack MLOps platform for training \& deploying military\-grade AI models
- Data fusion and trajectory prediction
Role \& Mission
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 Responsibilities
Frontend \& 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
System Integration \& Environments
- Build applications that run across cloud, on\-premise, and edge environments
- Handle diverse data patterns (real\-time, batch, intermittent connectivity)
- Ensure resilience and usability in constrained or operational contexts
Performance \& Reliability
- Optimize frontend performance and application responsiveness
- Ensure reliability in mission\-critical environments
- Debug production issues across the stack when necessary
Full\-Stack Contribution
- Integrate with backend APIs and data services
- 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
Testing \& Quality
- Write unit, integration, and end\-to\-end tests
- Maintain high standards of code quality and documentation
- Participate in code reviews and continuous improvement
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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
Nice to Have
- Experience with data\-heavy or complex interfaces
- 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
Skills \& Values
Frontend Craftsmanship
- 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
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