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TypeScript Training - Develop Safe and Scalable JS

Ref: ROE913
10 people max.
$6,300 HT / per person
−15% from 2 people−30% from 3 people−50% from 5 people
Pay in 3 installments · +$180/day onsite · +$540 with certification exam
5 days
Remote

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Learning objectives

  • Discover the fundamentals of TypeScript and its integration with JavaScript
  • Master primitive and advanced types for robust code
  • Implement interfaces and types to structure your projects
  • Use classes, generics, and modules for scalable apps
  • Compile and debug effectively with TypeScript tools
  • Apply TypeScript in real-world cases through practical projects
  • Integrate TypeScript with frameworks like React or Node.js

The Learni story

Founded by passionate learning and innovation experts, Learni's mission is to make professional training accessible to everyone, anywhere in the world. Our team operates in major hubs — London, New York, Boston — and internationally, to support talents and organizations in upskilling.

Don't let this gap widen

Why this program matters

  • Without TypeScript, 70% of JavaScript bugs occur in production, wasting up to 40% of dev time on debugging (source Stack Overflow).

  • Your apps crash on unexpected data, project deadlines explode by 2x, unhappy clients flee to typed competitors.

  • Daily frustrations: endless refactorings, teams blocked by runtime errors.

  • Invest 35h to avoid annual losses of 10k€ in maintenance, scale serenely, and double your fullstack dev employability.

Allan Busi
Allan Busi

Learni Trainer · Expert

73%productivity gap
×3cost of inaction

Program

Module 1Introduction to TypeScript: Installation and Configuration (VS Code, tsconfig.json)

Dive into TypeScript by installing the environment, configure your first project with npm and ts-node, explore compilation to JavaScript via tsc, complete your first JS to TS migration exercises, produce a simple deliverable like a typed function, while learning common errors and their quick resolution for a smooth and motivating start.

Module 2Basic and Advanced Types: Primitives, Arrays, Tuples in TypeScript

Manipulate strings, numbers, booleans, and unions to secure your code, practice with exercises on any vs unknown, build typed arrays and tuples, test concrete cases like API data validation, generate .d.ts files, feel the power of typing that prevents 80% of runtime bugs from the first tests.

Module 3Interfaces and Functions: Advanced Typing in TypeScript

Define interfaces to model objects and APIs, implement functions with optional parameters and overloads, apply to real e-commerce exercises, extend types with & and |, produce a reusable module, experience the development acceleration thanks to IntelliSense autocompletion that boosts your productivity.

Module 4Classes, Inheritance, and Generics: OOP in TypeScript

Create classes with private properties and getters/setters, explore inheritance and polymorphism, generate generics for flexible collections, code a concrete case like a task manager, integrate basic decorators, obtain an intermediate project ready to scale, discover how TypeScript makes your JS enterprise-ready.

Module 5Integrated Projects and Integration: TypeScript with JS Frameworks

Build a complete final project like a todo-app with React, integrate typed Node.js backend, debug with VS Code and source maps, optimize for production via bundlers like Webpack, deliver a demonstrable portfolio, consolidate learning through peer-review, leave with confidence to boost your professional projects starting tomorrow.

Evaluation method

  • Daily interactive quizzes
  • Graded practical exercises
  • Final project evaluated in pairs
  • Personalized feedback from the trainer

Learning method

  • 70% hands-on pedagogical approach
  • Real-world daily dev cases
  • Post-training video support
  • Progressive adaptive exercises

Methods, materials and delivery

The TypeScript Training - Develop Safe and Scalable JS program is delivered onsite or remote (blended-learning, e-learning, virtual classroom, remote presence). At Learni, an industry-certified training organization, every program is built to maximize skills acquisition regardless of the chosen format.

The trainer alternates between demonstrative, interrogative and active methods (through hands-on labs and/or scenarios). This pedagogical approach guarantees concrete learning that's immediately applicable at work.

Equipment required

For the smooth delivery of the TypeScript Training - Develop Safe and Scalable JS program, the following equipment is required:

  • Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, projector or interactive touch screen (for remote sessions)
  • Training environments installed on workstations or accessible online
  • Course materials, hands-on exercises and complementary resources
  • Post-training access to materials and educational resources

For intra-company training on a site outside Learni, the client commits to providing all required teaching materials (computers, internet, etc.) for the smooth delivery of the program in line with the prerequisites in the communicated program.

* contact us for remote delivery feasibility** ratio varies depending on the program

Skills assessment methods

Assessment of skills acquired during the TypeScript Training - Develop Safe and Scalable JS program is performed through:

  • During training: case studies, hands-on labs and professional scenarios
  • End of training: self-assessment questionnaire and skills evaluation by the trainer
  • After training: completion certificate detailing acquired skills

Program accessibility

Learni is committed to making its programs accessible. All our programs are accessible to people with disabilities. Our teams are available to adapt the pedagogical methods to your specific needs. Please contact us for any adjustment request.

Enrollment terms and lead times

Registration is possible up to 48 business hours before the start of training. All our programs are eligible for corporate training budgets and employer-funded plans.

Verified reviews

What our learners

4.9 · +100 verified reviews
★★★★★

« cool, j'ai appris des trucs »

TomFormation AWS — Cloud Practitioner
★★★★★

« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »

Eva CarpentierFormation LLM en Entreprise — Claude, ChatGPT, Mistral
★★★★★

« la formation dev etait intense mais grave bien. merci Anthony Khelil »

NolanDWWM - Développeur Web et Web Mobile
★★★★★

« 😊👍 »

AmbreDWWM - Développement Web & Mobile React
★★★★★

« bien 👍 »

Léo BlanchardFormation AWS — DevOps Engineer Professional
★★★★★

« Allan Busi t'es au top, continue comme ça. formation géniale »

MargotFormation Claude & ChatGPT — Comparatif et Cas d'Usage
★★★★★

« cool, j'ai appris des trucs »

TomFormation AWS — Cloud Practitioner
★★★★★

« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »

Eva CarpentierFormation LLM en Entreprise — Claude, ChatGPT, Mistral
★★★★★

« la formation dev etait intense mais grave bien. merci Anthony Khelil »

NolanDWWM - Développeur Web et Web Mobile
★★★★★

« 😊👍 »

AmbreDWWM - Développement Web & Mobile React
★★★★★

« bien 👍 »

Léo BlanchardFormation AWS — DevOps Engineer Professional
★★★★★

« Allan Busi t'es au top, continue comme ça. formation géniale »

MargotFormation Claude & ChatGPT — Comparatif et Cas d'Usage
★★★★★

« cool, j'ai appris des trucs »

TomFormation AWS — Cloud Practitioner
★★★★★

« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »

Eva CarpentierFormation LLM en Entreprise — Claude, ChatGPT, Mistral
★★★★★

« la formation dev etait intense mais grave bien. merci Anthony Khelil »

NolanDWWM - Développeur Web et Web Mobile
★★★★★

« 😊👍 »

AmbreDWWM - Développement Web & Mobile React
★★★★★

« bien 👍 »

Léo BlanchardFormation AWS — DevOps Engineer Professional
★★★★★

« Allan Busi t'es au top, continue comme ça. formation géniale »

MargotFormation Claude & ChatGPT — Comparatif et Cas d'Usage
Read all reviews
Our method

Training quality, guaranteed at every step

Before, during, after: we frame the brief, introduce the trainer, tailor the content and measure impact. You stay in control from kickoff to wrap-up.

Step 1

Rigorous trainer selection

Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.

  • Triple validation: technical, pedagogical, sectoral.
  • Minimum rating 4.8/5 over the last 12 sessions.
Step 2

You meet the trainer beforehand

30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.

  • Live briefing on goals and team context.
  • Veto right — we swap the trainer for free if needed.
Step 3

Content tailored to your context

No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.

  • Hands-on cases drawn from your stack and projects.
  • Program co-written then validated by your team.
Step 4

Continuous quality follow-up

Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.

  • NPS, knowledge quizzes and skills self-assessment.
  • Satisfaction guarantee: fully satisfied or free rework.

A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.

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