Senior Backend Engineer for Universe Team (Node.js/TypeScript)

Stack

Responsibilities

• ▹Build and scale Website Content Crawler and other core Actors that reliably crawl any website under real-world load, strip out the noise and turn pages into clean text, Markdown and structured data for AI models, vector databases and RAG pipelines
• ▹Work in a small, cross-functional team alongside other experienced hackers
• ▹Contribute to Crawlee, Apify's open-source web scraping library, and step into product engineering when a project needs platform-level work
• ▹Write clean, readable code and keep it that way through reviews and refactoring
• ▹Reverse-engineer how websites work behind the scenes and design APIs other developers love to use
• ▹Use AI as a real part of the job and build AI-powered tools that make the team and community faster (a Claude Code license is provided)
• ▹Grow into ownership over time: lead initiatives, mentor, and shape the team's technical direction and architecture

Requirements

• ▹Strong in JavaScript and TypeScript (Node.js) and a good understanding of web technologies
• ▹Around 2 to 4 years of professional or open-source experience on a non-trivial project built with a team
• ▹Treat code quality, readability and frequent refactoring as part of getting the job done
• ▹Already use AI tools in your work and know where they help and where they don't
• ▹Problem-solving mindset and appetite to keep learning, in web scraping and beyond
• ▹Think in systems: design architecture and weigh trade-offs
• ▹Communicate clearly in English, in writing and in speech

Nice to have

• ▹Experience leading a team or project, formally or informally
• ▹A track record of contributing to a non-trivial, user-facing product
• ▹Writing and sharing what you learn through tutorials, technical support or tooling
• ▹Open-source contributions

Soft skills

What we offer

• ▹Space, support and autonomy for personal growth, with a direct impact on the company's success
• ▹Full-time position in Prague at the Lucerna Palace office, with the 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, possibility to work across teams
• ▹Generous hardware budget
• ▹Free lunches every day in the office
• ▹Unlimited coffee, beer and snacks
• ▹Free entry to Prague Zoo
• ▹Ping-pong, chess, PS5, lightsabers, foosball league after lunch

About the company

Apify is the largest marketplace of tools for AI: more than 40,000 Actors help people and agents get real-time web data, track competitors, generate leads or integrate their apps. Actors are built by a global creator community that earns more than $1.2 million every month.