Training Symfony - Developing Scalable Applications

Very demanding course · Expertise required

$1,575

  • 1 day
  • Onsite
  • 10 people max.
Ref: JTH973
10 people max.
$1,575
In-company rate: from $2,993 for the whole teamExpertise rate: $1,575 per day, reflecting the difficulty level
On-site and certification exam on quote
1 day
Onsite

Don't let this gap widen

Why this program matters

  • Without Symfony expertise, your teams lose 50% of their time refactoring non-scalable monolithic apps, resulting in delivery timelines multiplied by 3 and maintenance costs exploding to 40% of the IT budget.

  • Unmanaged security gaps without advanced bundles expose you to 70% of recorded PHP breaches, costing an average of 4 million € per incident according to Verizon DBIR 2024.

  • Companies lacking expert Symfony skills see their cloud projects fail at a 62% rate, widening the competitive gap as talent leaves for modern stacks.

  • Every quarter without certified training increases business risks and slows digital growth.

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

41,306 programs · 25 countries

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

Every program built with a dedicated engineer

  • OpenAI
  • Anthropic
  • Mistral AI
  • NVIDIA
  • Google
  • Amazon Web Services
  • Microsoft Dynamics 365
  • Salesforce
  • ServiceNow
  • SAP
  • Oracle
  • Cisco
  • Fortinet
  • Palo Alto Networks
  • Aruba
  • VMware
  • Red Hat
  • Databricks
  • Snowflake
  • OVHcloud
  • Notion
  • AMD
  • Apple

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

Symfony training objectives

  • Master Symfony's advanced architecture for scalable professional projects
  • Develop high-performance APIs with API Platform and custom bundles
  • Optimize Symfony performance in enterprise settings with caching and profiling
  • Implement expert security in Symfony-certified applications
  • Design interconnected microservices with Symfony Messenger
  • Deploy and monitor Symfony apps in cloud-native production

Program

Symfony curriculum: 1 module over 1 day

Module 1 : Symfony Expert: Advanced Architecture, Optimization, and Deployment (API Platform, Messenger, Doctrine, Security)

Dive into Symfony's modular architecture with custom bundle creation and refactoring of existing applications, hands-on with API Platform for ultra-performant REST/GraphQL APIs on real business cases, advanced optimization using Blackfire profiling and Redis caching, implementation of expert security with guards, JWT, and custom Voters, practical exercises on microservices with Messenger and RabbitMQ queues, automated deployment on Docker/Kubernetes with Prometheus monitoring, production of a complete deliverable: scalable API deployed and documented to boost your professional skills.

How Symfony skills are assessed

  • Expert Symfony knowledge validation quiz at the end of the session
  • Continuous evaluation through advanced exercises and code review
  • Defense of the red thread microservice project in front of the certified trainer

How the Symfony course is taught

  • Sessions led by a Symfony expert in a CTO role
  • Practical exercises on real business cases and open-source projects
  • Evolving red thread project for a complete API application
  • Detailed course materials, slides, and GitHub resources provided

Symfony training: access and practical arrangements

The Training Symfony - Developing Scalable 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 Training Symfony - Developing Scalable 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 Training Symfony - Developing Scalable 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.

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 Symfony 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

Symfony: frequently asked questions

Which tools are used in Symfony training?+
Hands-on work runs on API Platform, messenger, doctrine and security. Those tools come from the Symfony program itself, delivered on site over 1 day, so participants practise on the stack they will use at work.
What can participants do after Symfony training?+
They can master Symfony's advanced architecture for scalable professional projects, develop high-performance APIs with API Platform and custom bundles and optimize Symfony performance in enterprise settings with caching and profiling. Those are the stated objectives of the Symfony program at Expert level, checked by the end-of-session assessment.
How is Symfony training assessed?+
Assessment relies on expert Symfony knowledge validation quiz at the end of the session, continuous evaluation through advanced exercises and code review and defense of the red thread microservice project in front of the certified trainer. Learni issues a completion certificate together with the individual assessment report at the end of the Symfony program, which an L&D team can file as evidence.
How much does Symfony training cost per participant?+
Symfony training costs $1,575 per participant. For an in-company team, the flat rate starts at $2,993 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 Symfony training take?+
1 day, 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 Symfony 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 Symfony training?+
Mastery of PHP 8+, basic Symfony 6, Composer, Doctrine ORM, and REST APIs.
Is a certificate issued after Symfony 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 Symfony 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.
Your professional training, anywhere

Let's build your Symfony learning path.

30 minutes with a learning advisor. No commitment. No sales pitch dressed up as a demo.

Reply within 24h · Vetted experts · USD invoicing · W-9 available
On-site & remote

Symfony training in your city

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

Share in 2 clicks