Fullstack Engineer, Store

Stack

Responsibilities

• ▹Build and improve Store search: relevance, ranking and query understanding that gets users and AI agents to the right Actor fast
• ▹Integrate and experiment with recommender systems that surface the most relevant Actors for each user, context and use case
• ▹Develop Store surfaces in React/TypeScript: search results, category and listing pages and the end-to-end find-the-right-Actor experience
• ▹Build the backend behind discovery: scoring services, quality-evaluation pipelines and data processes that keep categorization accurate as the catalog grows
• ▹Run A/B experiments to measure how discovery changes move activation and retention
• ▹Work with product, design and data to turn discovery goals into concrete, measurable improvements

Requirements

• ▹3+ years of professional experience building fullstack web applications, with a track record of shipping and owning user-facing features
• ▹Strong skills developing and debugging modern single-page applications in TypeScript/React with Node.js-based backends
• ▹Comfort owning a problem end-to-end across the stack, from the UI to the services, scoring and data behind it
• ▹An experiment-driven mindset: use A/B tests and metrics to decide what works
• ▹Good communication skills in English and a collaborative approach with product, design and data

Nice to have

• ▹Experience with search, ranking or recommender systems
• ▹Experience with AI/LLM-powered features, evals or building for AI agents as end users
• ▹A strong eye for UI and UX

Soft skills

What we offer

• ▹Full-time position at the Prague office (100Yards) with an option to work remotely
• ▹Flexible working hours
• ▹Nobody counts holidays as long as the work gets done
• ▹Unlimited Claude for every employee
• ▹Stock options and profit sharing
• ▹Free Multisport card
• ▹Pets, kids and bikes welcome at the office
• ▹Team buildings and offsites
• ▹Education and training budget, conference tickets, internal Eat & Learn sessions
• ▹Generous hardware budget
• ▹Free lunches when working from the office
• ▹Unlimited coffee, beer and snacks
• ▹Free entry to Prague Zoo

About the company

Apify is the largest marketplace of tools for AI. Thousands of Actors help people and agents get real-time web data, track competitors and generate leads, and the creator community earns more than $1.5 million every month.