Flask Expert Training - Master Scalable and Secure APIs

Very demanding course · Expertise required

$6,300

  • 4 days
  • Onsite
  • 10 people max.
Ref: XEE596
10 people max.
$6,300
In-company rate: from $10,710 for the whole teamExpertise rate: $1,575 per day, reflecting the difficulty level
On-site and certification exam on quote
4 days
Onsite

Don't let this gap widen

Why this program matters

  • Without advanced Flask expertise, your APIs cap at 500 req/s, exposing to 30% crashes under load, faulty JWT vulnerabilities cause 40% breaches (source OWASP), manual deployment wastes 20h/week in production, estimated client losses 15k€/year per downtime.

  • 70% junior devs stagnate without async scaling, FastAPI competitors outpace you in performance.

  • Invest 28h to multiply ROI x5, secure 100% endpoints, scale infinitely without rewriting code.

Célian Lebacle, Learni trainer · Web & mobile expert
Célian Lebacle

Learni trainer · Web & mobile expert

73%productivity gap
×3cost of inaction
Flag of the United StatesBuilt for US teams
Payment by wire transferEnhanced confidentialityPerfect for companies with 50 to 500 employeesScheduling to fit any time zone

Trusted by — schools, companies and industrial groups

41,181 programs · 25 countries

  • Aptar
  • ArcelorMittal
  • Equans
  • EDF
  • Ubisoft
  • Microsoft
  • Atos

Every program built with a dedicated engineer

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Companies: Aptar, ArcelorMittal, Equans, EDF, Ubisoft, Microsoft and Atos.

Flask Expert training objectives

  • Optimize Flask application performance to scale to 10k+ requests/second
  • Implement advanced RESTful APIs with Flask-RESTful and SQLAlchemy
  • Secure apps with JWT, OAuth2, and CSRF/XSS protections
  • Deploy on Docker, Kubernetes, and AWS/GCP cloud
  • Master unit/integration tests with pytest and CI/CD
  • Manage asynchronous concurrency with Flask and Celery
  • Analyze and monitor with Prometheus and Grafana

Program

Flask Expert curriculum: 4 modules over 4 days

Module 1 : Advanced Flask Architecture: Blueprints, Extensions, and SQLAlchemy (ORM Tools, Modular Patterns)

Dive into refactoring an existing app into modular blueprints, configure SQLAlchemy for complex migrations, perform exercises on optimized relational schemas, produce a scalable prototype with Flask-Migrate, test performant queries live, everything to boost your productivity from day one.

Module 2 : RESTful APIs and Security: Flask-RESTful, JWT, OAuth2 (Authentication, Data Validation)

Build robust APIs with custom serializers, integrate JWT for stateless sessions, simulate CSRF/XSS attacks and deploy countermeasures, code protected endpoints in pairs, validate with Postman, generate automated OpenAPI spec, experience the security expertise that protects your critical projects.

Module 3 : Performance and Asynchronous: Celery, Redis, Caching (Concurrency, Horizontal Scaling)

Accelerate your apps with asynchronous Celery/Redis tasks, implement Flask-Caching for 80% performance gain, profile bottlenecks with py-spy, optimize for multi-threading, test scaling on 5k simultaneous users, produce a live monitoring dashboard, feel the power of an ultra-responsive Flask.

Module 4 : Deployment and DevOps: Docker, Kubernetes, CI/CD (Monitoring, Advanced Tests)

Containerize with multi-stage Docker, orchestrate on Minikube Kubernetes, automate GitHub Actions/pytest pipelines, integrate Prometheus/Grafana for real-time alerts, deploy in simulated AWS production, finalize a complete certifiable project, leave with a pro portfolio ready to impress.

How Flask Expert skills are assessed

  • Daily interactive quizzes, graded practical exercises, final project with code review, Qualiopi recognized certification.

How the Flask Expert course is taught

  • 70% hands-on practice in real workshops, 30% applied theory, concrete business cases, continuous personalized feedback.

Flask Expert training: access and practical arrangements

The Flask Expert Training - Master Scalable and Secure APIs 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 Flask Expert Training - Master Scalable and Secure APIs 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 Flask Expert Training - Master Scalable and Secure APIs 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.

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.

Our method

How Learni guarantees the quality of your Flask Expert training

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.

A child walking to school with a backpack
Our social commitment

A school kit donated to a child for every training booked

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.

  • Backpack, notebooks and essential supplies
  • Distributed through our partner charities
  • Included, at no extra cost to you
Enroll and offer a kit
FAQ

Flask Expert: frequently asked questions

Which tools are used in Flask Expert Training training?+
Hands-on work runs on ORM Tools, modular Patterns, authentication, data Validation, concurrency and horizontal Scaling. Those tools come from the Flask Expert Training program itself, delivered on site over 4 days, so participants practise on the stack they will use at work.
What can participants do after Flask Expert Training training?+
They can optimize Flask application performance to scale to 10k+ requests/second, implement advanced RESTful APIs with Flask-RESTful and SQLAlchemy and secure apps with JWT, OAuth2, and CSRF/XSS protections. Those are the stated objectives of the Flask Expert Training program at Expert level, checked by the end-of-session assessment.
What does the Flask Expert Training program cover, day by day?+
Day 1: Advanced Flask Architecture: Blueprints, Extensions, and SQLAlchemy (ORM Tools, Modular Patterns). Day 2: RESTful APIs and Security: Flask-RESTful, JWT, OAuth2 (Authentication, Data Validation). Day 3: Performance and Asynchronous: Celery, Redis, Caching (Concurrency, Horizontal Scaling). Day 4: Deployment and DevOps: Docker, Kubernetes, CI/CD (Monitoring, Advanced Tests). The Flask Expert Training program runs over 4 days, delivered on site.
How is Flask Expert Training training assessed?+
Assessment relies on daily interactive quizzes, graded practical exercises, final project with code review, Qualiopi recognized certification. Learni issues a completion certificate together with the individual assessment report at the end of the Flask Expert Training program, which an L&D team can file as evidence.
How much does Flask Expert Training training cost per participant?+
Flask Expert Training training costs $6,300 per participant. For an in-company team, the flat rate starts at $10,710 for the whole group, up to 8 people. The detailed quote, sent within one business day, adjusts the amount to the format and how far the syllabus is tailored to your team.
How long does Flask Expert Training training take?+
4 days, available live online (US time zones) or on-site at your offices. Half-day tracks spread over several weeks are possible so the team stays operational.
Who pays for Flask Expert Training training?+
Most US teams pay directly through their company L&D or training budget. Learni invoices in US dollars and accepts bank transfer (ACH/wire) or card, with volume pricing for teams. A purchase order is welcome.
What do participants need to know before Flask Expert Training training?+
Expert proficiency in Python, experience with web frameworks like Django or FastAPI, SQL/NoSQL database management, REST APIs.
Is a certificate issued after Flask Expert Training training?+
Yes. A Learni completion certificate is issued, along with the individual evaluation report. Learni is a certified training provider and prepares for third-party certifications, but does not award them itself.
Does Learni provide the equipment for Flask Expert Training training?+
No. A computer and a stable internet connection are required for each participant. Learni provides the learning platform, the trainer and all course materials.
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