System Design — Architectural Design
System Design course: designing scalable systems. Start with CAP theorem, ACID vs BASE, consistency and sharding, then cover load balancing (L4/L7, Round Robin, Consistent Hashing) and caching (CDN, Redis, Memcached, invalidation strategies). Dedicated modules cover databases (SQL vs NoSQL, replication, partitioning, indexes), microservices (API Gateway, Service Discovery, Circuit Breaker), message queues (Kafka, RabbitMQ, SQS, Pub/Sub patterns), data storage (S3, Blob Storage, CDN, hot/warm/cold tiers) and monitoring (Prometheus, Grafana, ELK, OpenTelemetry, tracing). Includes CI/CD and infrastructure (Docker, Kubernetes, Terraform, GitOps), plus architecture reviews of real-world systems: YouTube, Twitter, Uber, WhatsApp and Netflix.
Other courses
Industrial Digital Twins
Building digital twins for industrial assets: simulation, predictive analytics, IoT/PLC/SCADA integration, production.
1 200 USDT
Mobile Development: Flutter, React Native, Swift and Kotlin
Learn to build mobile apps: Flutter, React Native, Swift, Android. From idea to publishing on App Store and Google Play.
300 USDT
Wildberries & Ozon — E-commerce
Complete sales course for Wildberries and Ozon: registration, analytics, product cards, advertising, logistics.
Free
TensorFlow + Data Science Professional
Complete preparation for TensorFlow Developer Certificate + Google Data Analytics Professional.
2 400 USDT
Git & GitHub
Complete version control course: Git, GitHub, team collaboration, CI/CD, Open Source. From commit to production.
Free
AI Business Transformation
AI business transformation: implementation strategy, ROI, change management and AI products.
600 USDT
Other Cambridge courses
Cambridge Lower Secondary English (0861)
Course following the Cambridge Lower Secondary English curriculum for ages 11-14: advanced reading, analytical writing.
300 USDT
Cambridge International A-Level Economics (9708)
Course following the Cambridge A-Level Economics (9708) curriculum.
1 200 USDT
Cambridge Primary Global Perspectives (0838)
Course following the Cambridge Primary Global Perspectives curriculum for ages 5-11: exploring global topics, critical.
300 USDT
Cambridge IGCSE Chemistry (0620)
Course following the Cambridge IGCSE Chemistry (0620) curriculum.
600 USDT
Cambridge IGCSE Biology (0610)
Course following the Cambridge IGCSE Biology (0610) curriculum.
600 USDT
Cambridge IGCSE Geography (0460)
Course following the Cambridge IGCSE Geography (0460) curriculum. Physical and human geography, maps, case studies.
600 USDT
Educational programs
Diving
Dive physics, equipment, safety and the underwater world: pressure and decompression, gear checks, buoyancy control.
2 400 USDT
Profession: Marketer — From Zero to Job Offer
The complete path into marketing: market research, positioning, content, traffic, analytics, AI tools and a portfolio.
2 400 USDT
Home Autonomy: Power, Water, Connectivity
Solar panels, inverters, batteries, water and connectivity during outages — an engineering approach to home.
4 800 USDT
From Freelance to Agency: Growing Out of Solopreneurship into a Business
A program for freelancers who want to scale: service packaging, pricing, sales, hiring, processes, finance, legal setup.
2 400 USDT
AI for Professionals: Automating Your Own Work End to End
An advanced program for professionals: prompt engineering, AI agents, process automation, working with documents.
4 800 USDT
Employment Dispute: Dismissal, Pay, Court
Unlawful dismissal, unpaid wages, overtime, disciplinary action and reinstatement through court.
2 400 USDT
Data subscriptions with AI analysis
MOEX Anomalies
Moscow Exchange stocks with abnormal daily turnover — where the money is, what drives the move, and what to watch.
from 90 USDT
Insider Trades
Stock purchases and sales by US executives and major shareholders from SEC Forms 3/4/5 — with an explanation of why.
from 30 USDT
Vehicle Recalls
NHTSA recalls by make and model: component, consequence, remedy and the “do not drive” flag.
from 60 USDT
Drug & Food Recalls
Official FDA recalls: drugs and food pulled from the market.
from 60 USDT
OFAC Sanctions
Fresh entries in the SDN sanctions list — who was sanctioned and what it means for compliance and payments.
from 60 USDT
Exploited Vulnerabilities
CISA KEV catalog: CVEs already exploited in the wild. Vendor, product, remediation deadline and ransomware flag.
from 60 USDT