Fullstack Engineer (AI)

TL;DR

Fullstack Engineer (AI): Building modern web interfaces and APIs for complex AI-driven applications with an accent on frontend architectures, backend integrations, and agentic workflows. Focus on designing intuitive UIs for multi-agent systems, optimizing performance across devices, and ensuring scalable, reusable components.

Berlin, DE | Germany (REMOTE) | Stuttgart, DE. Work permit for Germany and at least one year of work onsite in Germany required.

Company

hirify.global creates human experiences through creativity and tech as part of Infosys, with teams across AI, tech, and design working on global brands.

What you will do

• Build modern, high-performance web interfaces for complex applications and translate UX/UI into scalable frontend architectures.
• Design intuitive interfaces for AI and agent-driven systems, ensuring responsive experiences across devices.
• Develop and integrate APIs, agentic workflows, and data models with authentication for AI-driven apps.
• Act as interface between users and agentic systems, making multi-agent workflows accessible.
• Collaborate with Product, Design, AI Engineers, and Architects to design modular components and reduce complexity.
• Contribute to RFPs, pitches, and interactive prototypes.

Requirements

• Several years of experience building modern web applications (frontend + API).
• Strong proficiency in TypeScript/JavaScript and frameworks like React, Next.js, or Vue.
• Experience designing and integrating REST or GraphQL APIs.
• Experience with AI/GenAI integrations (e.g., OpenAI, Gemini APIs).
• Solid understanding of state management, performance, accessibility, responsive design, and backend technologies (e.g., Node.js, Express, FastAPI).
• Fluency in German and/or English (B2–C1).
• Work permit for Germany and at least one year of work onsite in Germany.

Nice to have

• Experience with real-time technologies (WebSockets, streaming).
• Experience with CI/CD, Docker, or platforms like Cloud Run, Vercel, Kubernetes.
• Experience with headless CMS, DAM, or MarTech systems.
• Passion for clean, scalable frontend architectures and familiarity with design systems (Storybook, Tailwind, shadcn/ui).

Culture & Benefits

• Flexible working hours and 100% overtime compensation.
• Work from home, office, or any mix.
• 30 days vacation per year, company benefits, Urban Sports Club.
• Inclusive environment with fun, welcoming, values-driven teams focused on human experiences.
• Work with strong brands and clients.