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Payment by wire transferEnhanced confidentialityPerfect for companies with 50 to 500 employeesScheduling to fit any time zone
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Bun Training - Develop Ultra-Performant JavaScript Applications

Ref: FKB886
10 people max.
From $4,620 HT / per person
Pay in 3 installments · On-site on request · +$540 with certification exam
4 days
Remote

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Learning objectives

  • Master Bun to accelerate the development of professional applications
  • Develop performant and scalable servers with the Bun runtime
  • Optimize bundling and dependency installations in enterprise settings
  • Implement fast and reliable tests via the integrated test runner
  • Integrate TypeScript and Next.js into Bun certification projects
  • Design efficient deployments to boost DevOps skills

The Learni story

Founded by engineers and learning experts, Learni's mission is to make high-impact tech training accessible to teams everywhere. We work remotely with organizations across the US and Canada, in your time zone, to help teams upskill fast.

Don't let this gap widen

Why this program matters

  • Without this upskilling, your team accumulates a technological gap that translates directly into productivity loss.

  • Organizations that don't train their talents on key topics see their competitiveness drop.

  • Every quarter without training is a gap widening with competitors who invest.

  • The cost of inaction quickly exceeds that of well-targeted training.

Célian Lebacle
Célian Lebacle

Learni trainer · Web & mobile expert

73%productivity gap
×3cost of inaction

Program

Module 1Bun Fundamentals: Installation, Runtime, and Package Manager (Tools, Initial Scripts)

Discover Bun through a quick remote installation, configure your environment with `bun init` to create structured projects, explore the ultra-performant runtime surpassing Node.js by 3x in speed, test simple scripts with practical exercises on basic APIs, produce your first deliverables like an optimized Hello World server, integrate dependencies via `bun add` for smooth professional team management.

Module 2Bun Backend Development: APIs and Asynchronous Servers (Frameworks, Databases)

Build RESTful APIs with Bun, implement secure routes and custom middleware, connect to databases like PostgreSQL via native drivers, develop asynchronous handlers to manage high loads, perform exercises on JWT authentication, generate structured logs for enterprise monitoring, deliver a complete server testable in real conditions, optimize performance for responses under 10ms.

Module 3Advanced Bun Tools: Bundler, TypeScript, and Testing (Next.js, Configurations)

Master the Bun bundler for ultra-fast builds, integrate TypeScript with `bun tsc` for strict production typing, configure Next.js under Bun for performant hybrid apps, write unit and E2E tests with the native runner 10x faster than Jest, practice on concrete e-commerce app cases, debug live with Hot Reload, produce minified bundles ready for deployment, strengthen certifiable skills.

Module 4Bun Deployment and Best Practices: Scaling, CI/CD (Docker, Monitoring)

Deploy Bun apps on Vercel or Docker with automated scripts, implement CI/CD via GitHub Actions for smooth pipelines, scale horizontally for 100k+ requests/second, monitor with Prometheus and distributed tracing, resolve common pitfalls like memory leaks, apply enterprise best practices for security and maintenance, finalize a deliverable capstone project, receive personalized advice for immediate production integration.

Evaluation method

  • Daily interactive quizzes to validate learning outcomes
  • Graded practical case studies evaluated by expert trainers
  • Personal final project with detailed feedback and certification

Learning method

  • Active pedagogy through hands-on exercises in remote format
  • Live support with screen sharing and unlimited Q&A
  • Replay videos and slides accessible for 1 year
  • Personalized mentoring tailored to professional needs

Methods, materials and delivery

The Bun Training - Develop Ultra-Performant JavaScript Applications program is delivered onsite or remote (blended-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 Bun Training - Develop Ultra-Performant JavaScript Applications 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 Bun Training - Develop Ultra-Performant JavaScript Applications 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 built for corporate L&D budgets and delivered onsite or remotely.

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.

FAQ

Frequently asked questions

How much does the Bun Training - Develop Ultra-Performant JavaScript Applications training cost?+
The individual price is $4,620 (USD). A detailed quote is sent within one business day.
How long is the Bun Training - Develop Ultra-Performant JavaScript Applications training?+
The training lasts 4 journées, available live online (US time zones) or on-site at your offices.
How is this training paid for?+
Most US teams pay directly through their company (L&D or training budget). We invoice in US dollars and accept bank transfer (ACH/wire) or card, with volume pricing for teams. A purchase order is welcome.
Are there any prerequisites?+
Mastery of JavaScript ES6+, experience with Node.js, use of a development environment like VS Code
Is a certificate delivered at the end?+
Yes. A Learni completion certificate is issued, along with the individual evaluation report.
Does Learni provide the equipment?+
No. A computer and stable internet connection are required for the participant. Learni provides the educational platform, the trainer and all course materials.
On-site & remote

This training across cities

Available on-site and remotely. Pick your city to see the local training center.

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