Senior Full-Stack Developer - React & Azure Serverless (m/f/d)

Your mission:
• Design and build customer-facing web applications for our Digital UAS Platform
• Develop Single-Page-Applications using Next.js, React, TypeScript, Tailwind, and shadcn/ui
• Develop Typescript-based backend services using Azure Functions
• Build and manage Azure infrastructure using Terraform, including API Management, Azure Functions, Cosmos DB, Azure Front Door, and IoT Hub
• Collaborate closely with product, UX, Cyber Security, andoperations teams to translate business and operational needs into reliable software
• Implement robust testing strategies including unit, integration, and end-to-end tests with clear ownership of quality gates using tool such as Playwright and Jest
• Contribute to CI/CD pipelines and release processes to enable frequent, safe, and observable deployments using GitHub Actions
• Monitor, troubleshoot, and improve production systems with focus on performance, accessibility, reliability, and user experience
• Support secure integration patterns including authentication, authorization, and API contract design
• Follow secure software development lifecycle
• Help define and evolve reusable UI components, frontend libraries, and shared engineering patterns
• Work with cloud and platform engineers to ensure efficient integration with telemetry, monitoring, and operational services
• Use AI-assisted development tools pragmatically to accelerate delivery while validating outputs through testing, review, and security checks

Your profile:
• Bachelor’s or Master’s degree in Computer Science or related field
• 5+ years of experience in software engineering with full-stack web applications in production
• Experience with AI-assisted / agentic development and modern engineering practices
• Strong frontend skills: React, TypeScript, Next.js/Vite, Tailwind, responsive & accessible UI
• Solid backend experience: Node.js, REST/GraphQL APIs, and cloud architectures on Azure (e.g., Functions, API Management, Cosmos DB)
• Experience with testing (unit, integration, E2E) and CI/CD pipelines (e.g., GitHub Actions)
• Good understanding of security, authentication (JWT/OAuth), and secure development practices
• Familiarity with monitoring, observability, and production systems
• Collaborative mindset, strong communication skills, and experience working in cross-functional teams
• Ability to mentor others and drive engineering quality
• Fluency in English and German

What you bring as a perfect candidate:
• You thrive in collaborative environments and value collective success.
• You approach challenges with a positive mindset and a proactive attitude.
• You believe technology has the power to improve society and drive positive change for the future.

What we'll offer:
• A free parking space right at the office – for the days you come in.
• Enjoy attractive employee discounts with corporate benefits on a variety of products and services.
• Join the fun at our employee events and team-building activities.
• Many of our roles offer remote work options and flexible hours to balance your life and work.
• Stay fit with access to EGYM Wellpass  – your wellbeing is a priority.
• On two wheels to work? Take advantage of our Business Bike option and commute the healthy way.

Why us?:
• A motivated and supportive team, where every voice is heard, and collaboration drives our success.
• A fast-growing tech startup, where the pace is exciting, and every day presents new challenges and opportunities.
• A place where your ideas can take flight, allowing you to shape and influence projects from the ground up.
• Dedicated to your personal and professional growth, offering opportunities to learn, develop, and thrive.
• A company that values impact, where your work truly makes a difference and contributes to something meaningful.