{
  "$schema": "https://raw.githubusercontent.com/jsonresume/resume-schema/v1.0.0/schema.json",
  "basics": {
    "name": "Oskar Lang",
    "label": "Software engineer and entrepreneur",
    "email": "hi@rxs.to",
    "url": "https://rxs.to",
    "summary": "Software engineer and entrepreneur, self-employed since 2018. Co-founded Groovy (16M+ Discord servers, $1M+ revenue) and wrote its original bot at 16. Co-own Hydra (6.1M servers) and built the official SoundCloud and Netflix Discord bots with Jochen Segner.",
    "location": {
      "city": "Kufstein",
      "countryCode": "AT"
    },
    "profiles": [
      {
        "network": "GitHub",
        "username": "rxsto",
        "url": "https://github.com/rxsto"
      },
      {
        "network": "LinkedIn",
        "username": "oskar-lang",
        "url": "https://linkedin.com/in/oskar-lang"
      }
    ]
  },
  "work": [
    {
      "name": "Hydra",
      "position": "Co-owner and engineer",
      "url": "https://hydra.bot",
      "startDate": "2020",
      "summary": "Leveling, welcome and reaction-role bot founded by Jochen Segner, on 6.1M Discord servers.",
      "highlights": [
        "Built most of the hydra.bot web app, including premium subscriptions (Vue, Nuxt)",
        "Co-develop the Kotlin backend as its second-largest contributor",
        "Lead frontend, infrastructure and the monorepo for the 2026 rebuild (Rust, Kubernetes)"
      ]
    },
    {
      "name": "SoundCloud",
      "position": "Engineer and project lead (contract)",
      "url": "https://soundcloud.bot",
      "startDate": "2021",
      "summary": "Official SoundCloud Discord bot, on 667K servers, built and run with Jochen Segner.",
      "highlights": [
        "Manage the project with SoundCloud, including the 2022 launch and the move to OAuth 2.1",
        "Lead the web frontend (TypeScript, Nuxt) and co-develop the Kotlin backend",
        "Set up and run production in the SoundCloud AWS organization with Terraform"
      ]
    },
    {
      "name": "Digital Office 24",
      "position": "Software engineer (contract)",
      "startDate": "2026-02",
      "summary": "Built the production customer platform alone: HubSpot CRM integration, demo booking, customer area and billing (Bun, Hono, Next.js). Also did its GDPR and consent work.",
      "highlights": []
    },
    {
      "name": "Finaure",
      "position": "Tech lead (contract)",
      "startDate": "2026-09",
      "summary": "Self-funded digital wealth-management startup by Dr. Jürgen Lange, built AI-first. In the core team, built its independent review program and an implementation-agnostic test lab.",
      "highlights": []
    },
    {
      "name": "Top.gg",
      "position": "Software engineer (contract)",
      "url": "https://top.gg",
      "startDate": "2026-06",
      "summary": "Built frontend features for reviews, ad campaign health, SEO and internationalization (Next.js), plus a signed macOS app for infrastructure status (Electron).",
      "highlights": []
    },
    {
      "name": "“Hey, Netflix” Discord bot",
      "position": "Software engineer (contract)",
      "startDate": "2022",
      "endDate": "2023",
      "summary": "Built with Jochen Segner for Netflix, credited at HydraBot. 150K+ servers and 250K+ sessions in its first month; billed as the fastest-growing branded app on Discord. 2023 Webby Honoree.",
      "highlights": []
    },
    {
      "name": "Groovy",
      "position": "Co-founder",
      "url": "https://groovy.bot",
      "startDate": "2018",
      "endDate": "2021",
      "summary": "Discord music bot with Nik Ammerlaan; 16M+ servers before YouTube forced it offline.",
      "highlights": [
        "Wrote the original bot at 16 (Python, then Java)",
        "Led frontend and monetization as revenue passed $1M"
      ]
    }
  ],
  "volunteer": [
    {
      "organization": "BUNDjugend Bayern",
      "position": "Camp leadership team (Leitungsteam)",
      "startDate": "2022",
      "summary": "Member since 2018; co-organize the Zeltlager, its largest yearly camp for children and teens."
    }
  ],
  "education": [
    {
      "institution": "University of Passau",
      "area": "Computer Science",
      "studyType": "No degree",
      "startDate": "2020",
      "endDate": "2021"
    },
    {
      "institution": "Gabelsberger-Gymnasium Mainburg",
      "studyType": "Abitur",
      "endDate": "2020"
    }
  ],
  "awards": [
    {
      "title": "Webby Honoree",
      "date": "2023",
      "awarder": "The Webby Awards",
      "summary": "“Hey, Netflix” Discord bot"
    }
  ],
  "skills": [
    {
      "name": "Programming",
      "keywords": [
        "TypeScript",
        "Kotlin",
        "Java",
        "Python",
        "Rust",
        "Vue",
        "Nuxt",
        "React",
        "Next.js",
        "Spring Boot"
      ]
    },
    {
      "name": "Infrastructure",
      "keywords": [
        "AWS",
        "Terraform",
        "Kubernetes",
        "Docker",
        "Google Cloud",
        "Cloudflare",
        "Postgres",
        "Redis"
      ]
    },
    {
      "name": "Business",
      "keywords": [
        "client and project management",
        "monetization (Stripe, Chargebee)",
        "GDPR"
      ]
    },
    {
      "name": "AI",
      "keywords": [
        "multi-agent development workflows across machines",
        "LLM integration"
      ]
    }
  ],
  "languages": [
    {
      "language": "German",
      "fluency": "native"
    },
    {
      "language": "English",
      "fluency": "fluent"
    }
  ],
  "meta": {
    "canonical": "https://rxs.to/cv.json",
    "version": "v1.0.0",
    "lastModified": "2026-11-05"
  }
}