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Training Haskell Expert - Develop scalable and high-performance apps

Ref: HFI657
10 people max.
From $5,775 HT / per person
Pay in 3 installments · On-site on request · +$540 with certification exam
5 days
Remote

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Learning objectives

  • Master dependent types for infallible code
  • Implement advanced custom monads and applicatives
  • Develop performant concurrent and parallel systems
  • Optimize performance with GHC and expert profilers
  • Design scalable production architectures
  • Apply industrial best practices in Haskell
  • Integrate Haskell into complex hybrid stacks

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 advanced Haskell expertise, your functional projects risk costly deadlocks, with 40% of production bugs due to poorly managed concurrency, leading to annual losses of 500k€ per team according to Stack Overflow.

  • Performance stagnates, limiting scaling to 10x instead of 100x, while your competitors on Rust or Elixir outpace you.

  • 70% of senior devs report frustrations with weak types, tripling refactorings.

  • Miss this training, and stay stuck on unstable hybrid stacks, losing Big Tech opportunities where Haskell excels in finance and blockchain.

Célian Lebacle
Célian Lebacle

Learni trainer · Web & mobile expert

73%productivity gap
×3cost of inaction

Program

Module 1Advanced Types: Dependent Types and GADTs in Haskell

Dive into dependent types and GADTs to model invariants at compile time, use exercises on secure parsers, build a critical data validator with singletons, test property proofs via QuickCheck, produce a production-ready functional deliverable, while mastering GHCi and Stack tools for a smooth and efficient workflow.

Module 2Monads and Effects: Transformers and Expert Composition in Haskell

Compose custom monads with MTL and transformers, implement effects like StateT and ReaderT on real-world data pipeline cases, solve backtracking problems with LogicT, conduct collaborative exercises on financial simulations, generate reusable modular deliverables, discover advanced patterns for expressive and maintainable code that boosts your productivity.

Module 3Concurrency: STM and Asynchronous Parallelism in Haskell

Develop atomic transactions with STM for distributed systems, parallelize intensive computations via Par monad and evaluate, simulate concurrent web servers with async and conduits, test resilience under load with benchmarks, produce a scalable deadlock-resistant API prototype, master Control.Concurrent for ultra-reactive real-time apps.

Module 4Optimizations: Profiling and Performance Tuning in Haskell

Profile your code with GHC Prof and Eventlog, apply list fusions and strictness to accelerate algorithms, optimize memory via unboxed arrays and fusion, conduct exercises on massive datasets, measure gains up to 10x, deliver a benchmarked optimized module, transform your Haskell apps into high-performance powerhouses ready for industry.

Module 5Real Projects: Architectures and Expert Haskell Deployment

Design a complete scalable app with Servant and Persistent, integrate CI/CD via Nix and Docker, apply advanced lenses for elegant manipulations, collaborate on a simulated open-source project, deploy to production with monitoring, produce a concrete deployable portfolio, leave with total mastery to dominate enterprise Haskell challenges.

Evaluation method

  • Daily practical quizzes
  • Final project evaluated by experts
  • Self-evaluation via benchmarks

Learning method

  • 100% hands-on with industrial cases
  • Collaborative projects in pairs
  • Real-time personalized feedback

Methods, materials and delivery

The Training Haskell Expert - Develop scalable and high-performance apps 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 Training Haskell Expert - Develop scalable and high-performance apps 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 Training Haskell Expert - Develop scalable and high-performance apps 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 Training Haskell Expert - Develop scalable and high-performance apps training cost?+
The individual price is $5,775 (USD). A detailed quote is sent within one business day.
How long is the Training Haskell Expert - Develop scalable and high-performance apps training?+
The training lasts 5 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?+
Intermediate mastery of Haskell, experience in advanced functional programming (OCaml or Scala), notions of category theory and lambda calculus.
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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