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hi, i'm johan

software by trade, entrepreneur by heart

i build products. 7+ years in startups, turning ideas into things people pay for. i like owning the whole loop: idea, build, ship, measure, repeat.

these days i lead everything frontend at sureshot, where i'm also an equity stakeholder. i also run jayday technologies, my own company for client work.


building

  • sureshot – video recording and event management platform. media-heavy react native that has to keep working when the network doesn't.
  • pokerOS – club management and payments for poker clubs. each club gets its own database, the regulator gets its own portal.
  • recapp (early beta) – email intelligence briefings for professional niches. describe an interest in freeform text, get an honest editorial recap in your inbox. every claim citation-backed and run through an independent verification pass before send.
  • gemmelegen (pre-launch) – real-world hide-and-seek played across a whole city, coordinated through your phone. one team hides, everyone else buys questions answered live from gps, and every answer shrinks the map. the server is the referee: postgres + postgis enforce the rules, and seekers only ever learn what they've paid for.

stack

  • languages: typescript, node.js, go (learning)
  • frontend: react, next.js, nuxt, vue, astro, vite, tailwind css, three.js
  • react ecosystem: tanstack query, radix + shadcn-style component systems, react hook form, zod
  • mobile: react native, expo
  • backend: postgresql (+ postgis), supabase, convex, prisma, firebase, express, fastify, auth0, rest & graphql apis
  • ai: anthropic api, llm pipelines with verification passes
  • payments: direct psp integrations (epay)
  • infrastructure: gcp, aws, azure, vercel, cloudflare, docker, terraform, github actions
  • testing: vitest, jest, playwright, storybook
  • analytics & monitoring: posthog, mixpanel, sentry, looker studio

the road so far

  • gamerzclass – joined as the 2nd engineer. shipped a mobile app, a proprietary analytics dashboard and a user-facing nuxt web app. acquired by metafy.
  • sureshot (now) – leading everything frontend, from the mobile app to the web surfaces.
  • zoios – built a full-stack b2b platform with next.js, node.js and prisma. deep involvement in product strategy.
  • connected cars – enhanced large-scale, white-labelled web platforms.
  • jayday technologies – the company i use when i take on client work on consultancy terms, and the business name i operate my own products under.

games

always played, always competitively. top 0.5% in dota 2, world of warcraft and counter-strike.


contact

linkedin.com/in/johanfbn


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