Remote/On-site2 DaysLyon, France

TypeScript 2-Day Bootcamp in Lyon

Transform your dev team's TypeScript skills in just two days — right here in Lyon. Our intensive bootcamp takes developers from JavaScript basics to advanced TypeScript patterns through hands-on exercises, live pair programming, and real-world refactoring challenges.

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Why Train in Lyon?

Lyon is France's second tech hub after Paris, with a strong focus on enterprise software and digital innovation. The city's developer community is active and growing rapidly. Our on-site TypeScript bootcamp in Lyon gives your team the focused, immersive learning experience they need — without the distractions of online-only training.

Training at a Glance

Duration

2 Days

Format

Remote/On-site

Level

Beginner to Advanced

Price

€950/person

What Your Team Will Learn in Lyon

Day 1: TypeScript Confidence Bootcamp

Live debugging session: Identifying common JavaScript pitfalls in production code
TypeScript setup: Project configuration, tsconfig.json, and compiler options
Type annotations: Converting JavaScript variables to strongly-typed TypeScript
Primitive types: string, number, boolean, null, undefined, and void
Complex types: Arrays, objects, tuples, and nested type structures
Interfaces vs Types: When to use each and practical differences
Enums: Creating reusable constants and string/numeric enum patterns
Union types: Handling multiple possible types with | operator
Type guards: Runtime type checking with typeof, instanceof, and custom guards
Optional properties: Using ? syntax for optional parameters and properties
Function types: Parameter types, return types, and function overloads
Generic basics: Creating reusable functions and interfaces with <T>
Hands-on refactoring: Converting real JavaScript modules to TypeScript
Error prevention: How TypeScript catches bugs at compile time
IDE mastery: Leveraging IntelliSense, auto-completion, and refactoring tools

Day 2: Advanced TypeScript Deep Dive

Built-in utility types: Mastering Partial, Required, Pick, Omit, Record, and Exclude
Custom utility types: Building your own type transformation helpers
Conditional types: T extends U ? X : Y patterns and advanced use cases
Distributive conditional types: Understanding how unions flow through conditionals
Template literal types: Type-safe string manipulation and pattern matching
Mapped types: Transforming object types with keyof, in, and property iteration
Key remapping: Using as clauses to dynamically modify property names
Declaration merging: Extending modules, interfaces, and global definitions
Exhaustiveness checking: Using never type for comprehensive case handling
Advanced type guards: Custom type predicates and assertion functions
Const assertions: as const keyword and its impact on type inference
Variance concepts: Understanding covariance and contravariance in TypeScript
Advanced generics: Constraints, conditional constraints, and type inference
Real-world patterns: API response typing, form validation, and state management
Performance optimization: Avoiding deep recursion and compilation bottlenecks
Framework integration: Advanced typing strategies for React, Vue, Angular, or Node.js

Your Instructor

Davy Engone

Founder & Software Mentor @Hackages

Hey, I'm Davy and I'm the founder of Hackages. I've been a software consultant for about 10 years before building companies and products. I created this TypeScript program to make dev teams faster, more confident, and ready for production-grade coding.