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Knowunity Tech Stack

AI learning companion platform for students, built on Flutter and LLM APIs

Mobile Computing Software Products Berlin, Berlin 51–200 employees Founded 2020 Privately Held

Knowunity operates an AI learning companion targeting students globally, built on Flutter + Go + PostgreSQL + multiple LLM providers (OpenAI, Gemini, Anthropic, Mistral). The stack reveals a mobile-first, multi-model LLM strategy — hedging across OpenAI, Google, and Anthropic rather than standardizing on one provider, likely to manage cost and availability at billion-user scale. Active projects span topic prediction, video personalization, and practice workflows; pain points cluster around personalization and retention at scale, with noted underinvestment in design craft and leadership gaps.

Tech Stack 15 technologies

Core StackFlutter Go PostgreSQL AWS Kubernetes OpenAI Anthropic BigQuery dbt Cursor Riverpod Gemini Mistral Claude Excel

What Knowunity Is Building

Challenges

  • Scaling product to 1bn users
  • Guided practice needed
  • Outdated practice platform
  • Personalisation at scale
  • Bottlenecked leadership growth initiatives
  • Improving student learning outcomes at scale
  • Product experience not world-class
  • Underinvested in design craft
  • Improving dau retention
  • Growth bottlenecks

Active Projects

  • Topic prediction engine
  • Interactive practice chat
  • Optimising sales funnel
  • Video personalization platform
  • Ai-powered learning companion
  • Build digital finance backbone
  • Visual direction and design language
  • World-class design system
  • Design-to-ship time reduction
  • Ab testing in flutter app

Hiring Activity

Steady15 roles · 6 in 30d

Department

Engineering
8
Product
3
Design
1
Executive
1
Finance
1
Marketing
1
Sales
1

Seniority

Mid
9
Intern
4
Senior
3
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About Knowunity

Knowunity builds an AI learning companion used by millions of students globally, with a stated ambition to serve 1+ billion learners. The product combines proprietary learning data with LLM-powered features including practice chat, personalized video, and topic prediction. Headquartered in Berlin, the company operates a 51–200 person team with engineering-focused hiring (8 roles) and a mid-level seniority mix. Current hiring is concentrated in Germany. The business surfaces design and retention as material scaling challenges, alongside a stated need to improve student learning outcomes and DAU retention.

HeadquartersBerlin, Berlin
Company Size51–200 employees
Founded2020
Hiring MarketsGermany

Frequently Asked Questions

What tech stack does Knowunity use?

Flutter and Go for mobile/backend; PostgreSQL for persistence; AWS and Kubernetes for infrastructure; OpenAI, Gemini, Anthropic, and Mistral for LLM inference; BigQuery and dbt for analytics.

What is Knowunity building?

An AI learning companion with topic prediction, interactive practice chat, personalized video, and a redesigned practice platform. Active focus areas include retention (DAU), personalization at scale, and reducing design-to-ship cycles.

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