PM
Petra Matatias Situmorang
Full Stack Engineer | Mobile Engineer | Product Engineer
📍 Jakarta, Indonesia | available to relocate
Full Stack Engineer with 5+ years across mobile, backend, and AI — shipping Flutter apps to 200+ daily users, building production AI pipelines that cut screening time by 80%, and driving a 400% increase in organic leads. Open-source contributor with 5K+ weekly downloads, 10K+ monthly readers on Medium, and 4,000+ reputation on Stack Overflow.
🚀 Current Role
Software Engineer at Cofounderie
- Building an e-gov AI assistant that lets residents navigate government services through natural conversation — reducing friction and support overhead
- Leading a team of 5 to ship an AI interview agent for an ATS+HRIS SaaS platform — automating candidate screening and generating structured skill profiles
- Designing viral growth and referral mechanics to accelerate product-led acquisition
📮 Let's Connect
- Emailmatatias97@gmail.com
- LinkedInlinkedin.com/in/pmatatias
- GitHubgithub.com/pmatatias
- Mediummedium.com/@pmatatias
- X / Twitterx.com/pmatatias_
🛠 Skills
AI Agents & LLMsLangChain / LangGraphLangfusen8nGo (Golang)PythonTypeScript / JSReact / VueFlutter & DartFirebaseDockerREST APIsMySQLSEO / GA4