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.
Describe your need, get a tailored program and a pre-filled quote in 3 min. A 100% free call with an advisor.
1 seat held for the next session
Request a call back and an advisor reaches you within 24 business hours, Monday to Saturday.

To fight inequalities in access to education, Learni donates a complete school kit to a child in need for every training booked. You build your skills, a child heads back to school.
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
Without advanced C expertise, your apps crash 35% more often due to poorly managed memory (source CVE 2023), losing 50% CPU performance vs competitors, causing embedded system failures at 20k€/incident.
Junior developers stagnate with 25% lower salaries (Glassdoor).
Zero-day bugs explode support costs x4.
Imagine clients fleeing to optimized rivals.
Our training avoids these pitfalls, boosts performance by 60%, employability +40%, immediate ROI on critical projects.
Analyze memory leaks on real embedded cases with Valgrind, implement custom allocators and aligned structures, practice double pointers in timed exercises, produce an optimization report boosting performance by 40%, master advanced debugging for infallible code.
Configure pthread threads for critical applications, simulate deadlocks in practical industrial cases, implement lock-free queues and spinlock locks, test scalability on multi-core systems, generate thread-safe deliverables accelerating execution x3, experience expertise in real time.
Integrate AVX SIMD instructions for vectorization, write GCC inline assembly on ARM/x86, optimize hot-spot loops via gprof profiling, apply to massive datasets in exercises, produce binaries 50% faster, transform your code into a high-performance powerhouse.
Profile complete applications with Perf and Flamegraphs, develop secure kernel modules, integrate global optimizations on embedded capstone project, validate performance via benchmarks, deliver certified output with measurable ROI, leave as a production-ready expert.
The Expert C Language Training - Optimize Critical Performances 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.
For the smooth delivery of the Expert C Language Training - Optimize Critical Performances program, the following equipment is required:
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.
Assessment of skills acquired during the Expert C Language Training - Optimize Critical Performances program is performed through:
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.
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.
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.
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.
No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.
Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.
A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.
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Graphic DesignIndustry-certifiedAvailable on-site and remotely. Pick your city to see the local training center.
30 minutes with a learning advisor. No commitment. No sales pitch dressed up as a demo.