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Full-stack Developer

Mid • Engineering

About the Role

Build and maintain schema-injection systems, GTM/GA4 integrations, and internal tools that power AI visibility implementations.

Responsibilities

  • Implement schema markup and JSON-LD injection
  • Set up and maintain GTM and GA4 integrations
  • Develop internal React/Next.js tools
  • Maintain CI/CD pipelines and release hygiene
  • Perform code reviews and keep docs current

Requirements

Must Have

  • 2+ years with Node.js and TypeScript
  • Production experience with React/Next.js
  • Proficiency with Git and REST APIs
  • Experience with testing frameworks
  • English B1+ for documentation

Nice to Have

  • GTM/GA4 experience
  • Working knowledge of Schema.org
  • GitHub Actions experience
  • Cloudflare Workers knowledge

Tech Stack

TypeScriptNode.jsReactNext.jsGitHub Actions

KPIs for Probation Period

  • 1
    Schema implementation time•≤0.8 h/client
  • 2
    Escaped defects•<5%
  • 3
    Deploy time•≤20 min

Pre-qualification Artifact

Expected time: 3-4 hours • Paid: test task

Requirements

  • Submit a professional profile and one public artifact showing relevant work.
  • Accepted artifacts (one of):
  • Public repo with JSON-LD injection middleware or related tooling
  • Live page you implemented that injects valid JSON-LD
  • PR diff demonstrating schema injection or GTM/GA4 integration in context
  • Small CLI/checker you built for markup validation

Valid Examples

  • Repo builds; tests pass
  • Injection is idempotent and safe on repeat runs
  • CLI exits non-zero on invalid markup
  • CI includes lint + test; README explains setup
  • Clean, documented code; working tests; proper error handling and logging

Invalid Examples

  • No tests/CI, undocumented code, build failures, private/inaccessible links

Hiring Process

1

Application

Submit your profile and artifact • Immediate

2

Auto-screening

Automatic validation (70+ score to pass) • 1-3 business days

3

Manual Review

Human review of qualified applications • 1-2 business days

4

Quick Interview

10-minute call about your artifact • Scheduled via calendar

5

Offer

Reference check and offer • 1-2 business days

Ready to Apply?

Join our team and help build the future of AI visibility and index control.