Testing Engineer

8x Social is building the infrastructure for performance-driven creator marketing. We connect brands with 100k+ creators across 30+ countries, and we are automating the entire pipeline with AI, from creator discovery to campaign evaluation to payout.

Run rate

$3M+

Creators in network

100k+

Countries

30+

• AI-powered evaluation systems that score creator content and predict campaign performance
• Creator matching infrastructure connecting the right creators with the right brands at scale
• Campaign automation pipelines replacing manual ops with intelligent workflows
• Internal tools and dashboards that make our team 10x more efficient every quarter
• Whatever needs building the scope is genuinely open, and it changes as the company grows

• Builder mentality you ship fast, learn faster, and care deeply about craft
• Strong CS fundamentals top school, competitive programming, or equivalent proof of raw ability
• Full-stack capability comfortable across the entire stack from database to deployment
• AI-native thinking you already use AI tools daily and think in terms of what is now possible
• Startup conviction you want early-stage impact, not big-company comfort

• Performance bonuses meaningful upside tied to shipping and business outcomes
• Direct access sit next to Theo, our CTO, and build together daily
• Massive scope own entire product areas from week one

Trial structure: a 2-month paid internship so the fit is right on both sides, then full-time conversion.

Founded by Jaka Bavdek, CEO, and Theo Bui, CTO.

• Frontend Next.js, React, TanStack Query
• Backend Supabase for Postgres, Auth and Edge Functions
• AI LLM-powered evaluation and automation systems
• Approach AI-first development; we ship faster than teams 5x our size