Frontend Engineer

Infatica.io

Serbia Remote permanent

Posted: March 26, 2026

Required Skills

Job Description

Infatica.io is a global provider of proxy and DaaS solutions. We're building our own high-load web scraping platform: an API where you can submit any URL and receive clean HTML or structured JSON output, without worrying about proxies, CAPTCHAs, or anti-bot systems.

The platform will support both cloud deployment and on-premises deployment in client infrastructure (on-prem, Kubernetes).

Now we are looking for a Frontend Engineer with strong JavaScript to build React UI components, integrate AI APIs, apply prompt engineering, develop AI-powered UIs, and deliver real-time/streaming experiences.

Key Responsibilities:

• Build and maintain high-quality React UI components and pages (Next.js preferred) with emphasis on performance, accessibility, and scalability.
• Develop AI-powered UIs (chat, generators, assistants) and ensure real-time or streaming interactions with smooth UX.
• Integrate AI APIs (OpenAI, Claude, Codex, etc.) into the product, with robust error handling, retries, and graceful fallbacks.
• Leverage AI coding tools and agent-like workflows to accelerate development and enable AI-assisted features.

Requirements:
* Strong JavaScript (ES6+)

* Proven experience with React (Next.js preferred)

* Experience integrating AI APIs (OpenAI or similar)

* Understanding of prompt engineering and LLM limitations

* Experience building AI-powered UIs (chat, generators, assistants)

* Experience with real-time/streaming responses

AI Development Skills (Important):

* Hands-on experience with AI coding tools (Cursor, Claude, Codex or similar)

* Ability to use AI agents to accelerate development

* Experience with agent-like workflows

Nice to have:

* Node.js

* Browser extensions

* Vercel or similar platforms

Benefits:
• Participate in developing the company's key products
• High autonomy and influence on architecture and team decisions
• Budget for conferences, courses, and work tools
• Competitive compensation package
• Remote work flexibility

Join us

Let's build a world-class products together.

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