Gran Jefe Engineering Learning Hub
Curated, project-first engineering curriculums built by senior practitioners. Each track bridges the gap between tutorial theory and production-grade architectures. Free today, built to scale your engineering career.
UI/UX Non-Negotiables for Web Applications: The Product Quality Playbook
The complete 5-part engineering guide: 4 user questions, 12 non-negotiables, acceptance tests, UX priority matrix, and release quality gates.
Python & Django Backend Engineering
From Client-Side Concepts to Full Enterprise Systems
The battle-tested transition path for frontend engineers moving into backend architecture with Python 3.12, Django 5.x, Django REST Framework, PostgreSQL, and Celery.
What You Will Build & Master
- Django ORM & safe migrations with zero raw SQL leaks
- DRF ModelSerializers, ViewSets & Swagger documentation
- SimpleJWT token auth with HTTP-only cookie security
- PostgreSQL production tuning & Celery background jobs
Node.js & TypeScript Backend Engineering
NestJS, Prisma, PostgreSQL, Redis & BullMQ Queues
Architect enterprise-grade server infrastructure using Node.js, NestJS, TypeScript, Prisma ORM, PostgreSQL, and BullMQ queues. Based on real-world sovereign payment platforms.
What You Will Build & Master
- NestJS modular architecture, Dependency Injection & Guards
- Prisma ORM data modeling, migrations & ACID transactions
- JWT authentication with Redis token revocation & rate limiting
- BullMQ asynchronous job queues & HMAC webhook pipelines
Full-Stack Web Development Curriculum
End-to-End Modern Engineering for Adult Learners
A structured, project-based engineering roadmap tailored for adult learners. Covers terminal fluency, HTML/CSS, React, TypeScript, Node.js, Prisma, and Dockerized DevOps.
What You Will Build & Master
- The 70/30 engineering rule: 70% building, 30% theory
- TypeScript, React 19, Vite & TanStack Query client state
- Node.js REST API with Prisma ORM & ACID transactions
- DevOps pipeline with Vitest, Playwright & GitHub Actions
Modern Frontend Engineering Curriculum
Sub-Second Speed, Component Architecture & Next.js 16
Deep-dive into advanced frontend architecture: React 19 hooks, Next.js 16 App Router, Server Components, Core Web Vitals optimization, and design system engineering.
What You Will Build & Master
- Mastering JS event loop microtasks & TypeScript generics
- React 19 Server Actions, useOptimistic & Zustand UI state
- Next.js 16 Streaming SSR, App Router & SEO meta tags
- Sub-800ms LCP, 0 CLS, and Radix UI accessible components
Mobile Engineering with React Native & Expo
Cross-Platform iOS & Android Apps from Web Concepts
Transition your React & TypeScript instincts to native mobile apps using Expo Router, NativeWind, Biometric Keychain security, and EAS App Store deployments.
What You Will Build & Master
- Expo Router v4 file-based stacks, tabs & native modals
- Biometric authentication with FaceID & Hardware Keystore
- High-speed FlashList virtualization without frame drops
- Offline state sync with MMKV & App Store cloud builds
Fintech Engineering & Payment Gateway Architecture
Ledgers, Idempotency, Webhooks & Regulatory Security
The engineering principles behind multi-billion financial systems: immutable double-entry ledgers, idempotency keys, HMAC-SHA512 webhooks, and automated bank reconciliation.
What You Will Build & Master
- Double-entry bookkeeping math (never store float money)
- HMAC-SHA512 payment webhook verification pipelines
- Redis distributed idempotency locks against double charges
- Automated daily bank settlement reconciliation scripts
AI Systems & LLM Application Engineering
RAG Pipelines, Tool Calling & Autonomous Multi-Agents
Engineer reliable AI software: structured outputs with Pydantic, hybrid vector search with pgvector, document chunking, and multi-agent coordination frameworks.
What You Will Build & Master
- Deterministic structured JSON completions with Zod/Pydantic
- Hybrid full-text & vector similarity search with pgvector
- Document chunking, embedding generation & cross-encoder re-ranking
- Autonomous multi-agent workflows with state graphs & memory
Technical Product Management & Delivery
Discovery, PRDs, Engineering Hand-Offs & PostHog Analytics
Master continuous customer discovery, 12 UI/UX non-negotiables, high-clarity PRDs, engineering sprint hand-offs, and product analytics using PostHog and Mixpanel.
What You Will Build & Master
- Continuous user interviews & opportunity solution trees
- 12 UI/UX non-negotiables & release quality gates
- PRD scoping, user stories & engineering sprint hand-offs
- PostHog funnels, retention cohorts & feature flags
People Operations & Technical HR for High-Growth Startups
Tech Sourcing, Career Leveling, ESOP Equity & People Analytics
Build and scale high-performing engineering teams from seed to Series B. Master technical talent sourcing, engineering career leveling ladders, ESOP equity compensation, and retention analytics.
What You Will Build & Master
- Senior tech sourcing & structured behavioral interviews
- Dual-track engineering ladders (IC vs Management)
- ESOP equity math, vesting schedules & remote compliance
- eNPS, retention cohort modeling & culture playbooks