Fullstack Engineer, Integrations

About the role

Apify is a marketplace of ready-to-run tools for AI that automate work on the web. Its Integrations team connects Apify to products such as Slack, HubSpot, Snowflake, n8n, Zapier and Make, and to AI agents and app builders. The Fullstack Engineer owns these connections end to end, from the OAuth flow and the backend service to the interface users click.

Key responsibilities

• Ship integrations in two-week sprints, using the Apify platform daily and improving the integrations backend.
• Plan each integration with the product, partnerships and product marketing managers, then stay with it through launch and release.
• Build the next version of the Apify Slack app, a conversational app that signs users in with their Apify account.
• Build and maintain plugins connecting Apify to AI agents and assistants (Claude Code, OpenClaw, Goose, Dify, LangChain, Microsoft Copilot) and help shape the open-source Apify MCP server.
• Extend partner apps such as HubSpot, Snowflake and Pipedream and take them through marketplace review.
• Maintain and grow the nodes and apps published on n8n, Zapier, Make and other platforms, and support partners like Replit and Lovable.

Required profile

• 3+ years building production web applications with real ownership of both backend and frontend.
• Hands-on experience designing and consuming REST APIs, webhooks and OAuth flows.
• Hands-on use of AI tools in daily work and communication in English good enough to debug problems with partner engineering teams.
• Nice to have: experience with Zapier, Make, n8n or Slack apps, AI agent tooling, marketplace reviews, and Python.

Required skills

• Strong TypeScript/Node.js, or another language with quick adoption of TypeScript.
• Enough React to build and maintain a product UI yourself.
• Tech stack: React.js, styled-components, Storybook, Chromatic, Cypress, Playwright, Nest.js, Next.js, Docusaurus, Vitest, AWS (EKS, EC2, Lambda), Kubernetes, Helm, Terraform, MongoDB, Redis, DynamoDB, S3, Grafana, Prometheus, OpenTelemetry, Sentry, PagerDuty, Slack Bolt, MCP.

What we offer

• Full-time position in Prague or Brno offices, with the option to work fully remotely.
• Flexible working hours and unlimited holidays.
• Stock options and profit sharing, free Multisport card, pet-friendly office.
• Training budget, conference tickets, hardware budget, free lunches and snacks, free zoo entry.