Bitstack Tech Stack

Bitcoin neobank with fraud detection and European expansion focus

Financial Services Paris 11–50 employees Founded 2021 Privately Held

Bitstack operates a Bitcoin-native neobank built on Go, Python, Flutter, and a modern data stack (Snowflake, BigQuery, Airflow, Feast). The tech choices and project list reveal two concurrent challenges: fraud detection and financial crime prevention dominate their engineering roadmap (ML stack includes scikit-learn, XGBoost, LightGBM, PyTorch, TensorFlow, plus real-time risk pipelines and monitoring dashboards), while European expansion occupies product and marketing (dedicated English accounts, social scaling across platforms). Hiring is concentrated in engineering and product, signaling both product-market fit in France and the engineering lift required to build compliance-grade infrastructure.

Tech Stack 35 technologies

Core StackGo Python Flutter TypeScript JavaScript scikit-learn PyTorch TensorFlow Pinecone Weaviate Snowflake BigQuery FastAPI Apache Airflow X Instagram TikTok YouTube Meta LinkedIn Discord Telegram Google Play Trustpilot Dart SQL Git XGBoost LightGBM Feast+5 more

What Bitstack Is Building

◆Challenges

Fraud detection
Financial crime prevention
Real-time fraud monitoring
Customer satisfaction improvement
Automation improvement
Lack of structure
Scaling engineering organization
Improving activation
Improving retention

▲Active Projects

Scale social media presence from france to europe
Launch dedicated english accounts for european expansion
Fraud detection models
Real-time risk evaluation pipelines
Fraud monitoring dashboards
Knowledge base improvement
Automation improvement
Admin dashboards
Ai automation pipelines
Data visualizations and analytics tools

Hiring Activity

Steady10 roles · 4 in 30d

Department

Engineering

Product

Design

Executive

Marketing

Support

Seniority

Mid

Senior

Intern

Lead

Notable leadership hires: Head of Engineering

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About Bitstack

Bitstack is a Paris-based Bitcoin neobank enabling users to save and invest in Bitcoin through a mobile-first platform. Founded in 2021, the company has evolved from a spare-change-to-Bitcoin savings tool into a full neobank offering buy, sell, earn, and spend functionality denominated in Bitcoin. The product targets retail users seeking exposure to Bitcoin without traditional banking intermediaries. Operating across 11–50 employees, Bitstack is expanding its European footprint beyond France while addressing fraud detection and financial crime prevention—core regulatory requirements for a payments-grade platform.

HeadquartersParis

Company Size11–50 employees

Founded2021

Hiring MarketsFrance

Frequently Asked Questions

What tech stack does Bitstack use?

Bitstack uses Go and Python for backend, Flutter and Dart for mobile, TypeScript/JavaScript for frontend, Snowflake and BigQuery for data warehousing, Airflow for orchestration, and PyTorch, TensorFlow, and XGBoost for ML models.

What is Bitstack working on?

Active projects include fraud detection models, real-time risk evaluation pipelines, fraud monitoring dashboards, European social media expansion, English-language account launches, and AI automation pipelines for internal operations.