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.
1 seat held for the next session
30:00Held for another
Request a call back and an advisor reaches you within 24 business hours, Monday to Saturday.
Trusted by — schools, companies and industrial groups
Every program built with a dedicated engineer
Learning objectives
- Develop scalable microservices architectures with Spring Boot
- Optimize JVM performance for high-traffic applications
- Implement reactive programming with Project Reactor
- Secure enterprise applications with OAuth2 and JWT
- Integrate CI/CD and Docker/Kubernetes containers
- Master advanced patterns for robust code
- Complete a fully deployable production project
Our social commitment
A school kit donated to a child for every training
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
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 this expert Java training, your applications risk 40% more frequent downtimes due to poorly tuned JVM, leading to estimated client losses of 100k€ annually for an SME.
Competitors adopting Java 21 and microservices are ahead, with 30% better performance.
Your outdated code exposes you to security vulnerabilities, like the 25% of missed OAuth attacks in 2023.
Miss lead dev promotions, stagnating against reactive juniors.
Invest 35 hours to avoid 50k€ in production losses and secure your elite expertise.
Program
Module 1Advanced Java Architectures: Microservices and Spring Boot (design patterns, tools)
Dive into refactoring a monolithic app to microservices, use Spring Boot 3 to create resilient services, implement patterns like Circuit Breaker with Resilience4j, complete practical exercises on scalable REST APIs, produce a functional deployable prototype that boosts your expertise from day one.
Module 2Java Performance Optimization: JVM Tuning and Profiling (VisualVM, JFR, methods)
Analyze bottlenecks with VisualVM and Java Flight Recorder, tune garbage collectors to reduce latency by 50%, code exercises on Java 21 Virtual Threads, profile real-world e-commerce app cases, generate actionable optimization reports that transform your skills into immediate competitive advantages.
Module 3Reactive Java Programming: Reactor and WebFlux (asynchronous fluxes, backpressure)
Build non-blocking reactive pipelines with Project Reactor, migrate Spring MVC apps to WebFlux, manage backpressure on massive fluxes, practice exercises on real-time data streaming, deliver a complete reactive app that accelerates your high-throughput projects and positions you as a modern expert.
Module 4Java Security and DevOps: OAuth2, JWT, Docker (CI/CD integration, Kubernetes)
Secure APIs with Spring Security OAuth2 and JWT, containerize apps with Docker, deploy on Kubernetes with Helm, automate pipelines with GitHub Actions/Jenkins, handle simulated intrusion cases, produce secure zero-downtime deployments that safeguard your career starting today.
Module 5Java Expert Capstone Project: Production Deployment (tool synthesis, deliverables)
Integrate all skills into a scalable full-stack e-commerce project, optimize, secure, deploy in a Kubernetes cluster, present to peers with expert feedback, leave with source code, final report, and certificate, ready to impact your teams and boost your employability instantly.
Evaluation method
- Daily interactive quizzes
- Final project graded on expert criteria
- 360° evaluation by trainer and peers
Learning method
- 80% hands-on with real-world cases
- 20% applied theory
- Individualized exercises and collaborative challenges
Methods, materials and delivery
The Java Expert Training - Master Scalable High-Performance 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 Java Expert Training - Master Scalable High-Performance 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 Java Expert Training - Master Scalable High-Performance 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.
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.
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.
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.
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.
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FAQ
Frequently asked questions
How much does the Java Expert Training - Master Scalable High-Performance Applications training cost?+
The individual price is $5,775 (USD). The team / on-site group package is shown on the course page. A detailed quote is sent within one business day.
How long is the Java Expert Training - Master Scalable High-Performance Applications 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?+
5+ years of Java SE/EE experience, proficiency in Java 17+, Spring Boot, multithreading fundamentals, and JVM.
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.
Your professional training, anywhere
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