Training Flask 2026 - Creating Scalable Backend APIs

$5,775

  • 5 days
  • Onsite
  • 10 people max.
Ref: HEC416
10 people max.
$5,775
In-company rate: from $10,395 for the whole team
On-site and certification exam on quote
5 days
Onsite

Don't let this gap widen

Why this program matters

  • Without mastery of Flask 2026, your backend APIs remain vulnerable, exposing 78% of companies to costly breaches according to OWASP 2025.

  • Poor performance drives downtimes up by a factor of 5, losing up to 25% of customer revenue per Gartner.

  • Your career stalls against developers skilled in microservices, risking forced retraining.

  • Invest now in certified training to secure scalability and professional advancement.

Imed BEN AMOR, Learni trainer · Development expert
Imed BEN AMOR

Learni trainer · Development 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

40,861 programs · 25 countries

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

Every program built with a dedicated engineer

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

Flask training objectives

  • Master Flask 2026 to develop professional backend applications
  • Design robust and secure REST APIs in certified training
  • Implement scalable microservices with enterprise-ready skills
  • Optimize Flask performance for high-load projects
  • Deploy Flask solutions in production with integrated CI/CD
  • Acquire advanced skills in authentication and state management

Flask curriculum: 5 modules over 5 days

Module 1 : Flask 2026 Foundations: blueprints and advanced routing (tools, Jinja templates)

Discover the new features of Flask 2026 through practical exercises on modular blueprints, set up dynamic routing with parameters, integrate Jinja templates for reactive views, test custom error handlers, and produce a first functional monolithic app with integrated logging, all in 7 hours of supervised hands-on by an expert.

Module 2 : Flask 2026 and REST API: secure endpoints (JWT, data validation)

Dive into creating compliant REST APIs with extended Flask-RESTful 2026, implement JWT authentication for protected endpoints, validate payloads via Marshmallow, manage standardized HTTP errors, simulate POST/PUT calls with Postman, and deploy an API prototype connected to a SQLite database, strengthening your professional skills in 7 intensive hours.

Module 3 : Flask 2026 Microservices: distributed architecture (Docker, async communication)

Build a microservices architecture with Flask 2026, containerize via Docker Compose, implement async communications via Celery and RabbitMQ, orchestrate user/auth services via API Gateway, test resilience with Chaos Monkey lite, and generate UML diagrams of your stack, applying enterprise methods in 7 hours of practical sessions.

Module 4 : Advanced Flask 2026: SQLAlchemy ORM and caching (Redis, performance)

Integrate extended SQLAlchemy ORM to model complex databases in Flask 2026, migrate with Alembic, optimize queries via indexes and Redis caching, manage team migrations, profile with Flask-Profiler for bottlenecks, and produce a scalable admin dashboard, all in real exercises simulating pro projects over 7 hours of guided development.

Module 5 : Flask 2026 Deployment: CI/CD and monitoring (Kubernetes, Prometheus)

Finalize with production deployment of Flask 2026 on Kubernetes, configure GitHub Actions pipelines for CI/CD, monitor via Prometheus/Grafana, secure with HTTPS and Vault secrets, test high-availability load balancing, and deliver a certified portfolio, consolidating your skills in professional training over these last 7 hours.

How Flask skills are assessed

  • Daily interactive quizzes on Flask 2026 concepts
  • Final microservices API project evaluated live
  • Qualiopi attestation on acquired skills

How the Flask course is taught

  • 70% hands-on, 30% theory with real business cases
  • Individualized support max 10 participants
  • Video resources and source code post-training
  • 1-month mentoring for professional implementation

Flask training: access and practical arrangements

The Training Flask 2026 - Creating Scalable Backend 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 Training Flask 2026 - Creating Scalable Backend 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 Training Flask 2026 - Creating Scalable Backend 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 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: frequently asked questions

Which tools are used in Flask 2026 training?+
Hands-on work runs on tools, jinja templates, JWT, data validation, docker and async communication. Those tools come from the Flask 2026 program itself, delivered on site over 5 days, so participants practise on the stack they will use at work.
What can participants do after Flask 2026 training?+
They can master Flask 2026 to develop professional backend applications, design robust and secure REST APIs in certified training and implement scalable microservices with enterprise-ready skills. Those are the stated objectives of the Flask 2026 program at Intermediate level, checked by the end-of-session assessment.
What does the Flask 2026 program cover, day by day?+
Day 1: Flask 2026 Foundations: blueprints and advanced routing (tools, Jinja templates). Day 2: Flask 2026 and REST API: secure endpoints (JWT, data validation). Day 3: Flask 2026 Microservices: distributed architecture (Docker, async communication). Day 4: Advanced Flask 2026: SQLAlchemy ORM and caching (Redis, performance). Day 5: Flask 2026 Deployment: CI/CD and monitoring (Kubernetes, Prometheus). The Flask 2026 program runs over 5 days, delivered on site.
How is Flask 2026 training assessed?+
Assessment relies on daily interactive quizzes on Flask 2026 concepts, final microservices API project evaluated live and qualiopi attestation on acquired skills. Learni issues a completion certificate together with the individual assessment report at the end of the Flask 2026 program, which an L&D team can file as evidence.
How much does Flask 2026 training cost per participant?+
Flask 2026 training costs $5,775 per participant. For an in-company team, the flat rate starts at $10,395 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 2026 training take?+
5 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 2026 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 2026 training?+
Mastery of Python, knowledge of HTTP/REST and SQL/NoSQL databases.
Is a certificate issued after Flask 2026 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 2026 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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