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Trusted teacher: I am a Professional Full Stack Developer with over 15 years of hands-on experience in software engineering, system design, and artificial intelligence. I’ve worked across frontend, backend, DevOps, and AI, building enterprise-grade systems for real-world applications — from large-scale microservices to cognitive AI platforms. I’m passionate about teaching the real, modern way of coding — combining deep technical foundations with today’s most advanced technologies: Generative AI, Agentic systems, RAG architectures, cloud automation, and intelligent DevOps. Whether you are a beginner exploring your first “Hello World,” a professional improving your stack, or a researcher/developer exploring AI systems, I can guide you step-by-step — conceptually, practically, and strategically. 🧩 What You Will Learn 🖥️ Front-End Development Master how to build responsive, interactive, and high-performance interfaces: HTML / HTML5 – Structure, semantics, forms, accessibility CSS / CSS3 / SCSS – Layout, animations, responsive design, Flexbox, Grid Bootstrap / Tailwind / Material UI – Rapid design frameworks JavaScript (ES6+) – Functional programming, event loop, closures, async/await TypeScript – Strong typing, interfaces, decorators, generics React.js / Next.js – Components, hooks, state management, routing, APIs Angular (1.x to 17) – Modules, dependency injection, RxJS, advanced architecture Vue.js (optional) – Reactive programming, lifecycle management jQuery / AJAX – Legacy support and backend communication Web Performance – Lighthouse, Core Web Vitals, PWA, caching strategies ⚙️ Back-End & Enterprise Development Build scalable, secure, and intelligent server-side systems: C / C++ / Data Structures / Algorithms / OOPS Java / J2EE / Spring / Spring Boot / Spring Cloud / Hibernate / Struts / Wicket Microservices Architecture – API gateway, service registry, inter-service communication Node.js / Express / NestJS – Modern JavaScript/TypeScript backend REST & SOAP Web Services – API design, security, documentation (Swagger / Postman) Python (Flask / FastAPI) – REST APIs, ML pipelines, automation Shell Scripting (Linux/Unix) – Automation, cron jobs, log parsing, DevOps scripting PHP / Laravel / CodeIgniter – Classic web backend development Containerization & Orchestration: Docker, Kubernetes, Helm CI/CD & Cloud: Jenkins, GitHub Actions, Azure DevOps Pipelines ☁️ Cloud & DevOps Mastery Learn to build, deploy, and scale applications on the cloud: AWS (EC2, S3, Lambda, DynamoDB, API Gateway, ECS) Azure (App Services, Functions, CosmosDB, DevOps) Google Cloud (GCP, Vertex AI, BigQuery, Cloud Run) Monitoring & Logging: ELK Stack (Elasticsearch, Logstash, Kibana), Grafana, Prometheus Infrastructure as Code (IaC): Terraform, AWS CDK, Azure Bicep Version Control & Collaboration: Git, GitHub, GitLab, Bitbucket CI/CD Pipelines: Build, test, deploy automation, rollback, release management 📱 App Development Develop mobile and hybrid apps end-to-end: Android (Java/Kotlin) – UI/UX, activity lifecycle, API integration Hybrid Frameworks: Ionic, Cordova, React Native Progressive Web Apps (PWA) – Offline-first, caching, mobile optimization Firebase Integration: Auth, Firestore, Cloud Messaging 🤖 Artificial Intelligence & Machine Learning Learn how modern AI systems are built and deployed: AI Fundamentals: Neural networks, supervised/unsupervised learning Machine Learning with Python: scikit-learn, TensorFlow, PyTorch Natural Language Processing (NLP): Transformers, BERT, GPT Computer Vision: OpenCV, YOLO, Image Classification AI APIs & Integrations: Google DialogFlow, Azure Cognitive Services, OpenAI API 🧬 Generative AI, RAG & Agentic Systems Special focus on real-world AI integration and automation: Generative AI Models (GPT, Claude, Gemini, Llama, Mistral) – Practical implementation Prompt Engineering – Designing powerful, reusable prompt frameworks Retrieval-Augmented Generation (RAG) – Hybrid search + generation architectures Agentic AI Systems – Building autonomous multi-agent workflows (e.g., AutoGPT, CrewAI) Agentic RAG – Contextual memory, chaining, and reasoning systems LangChain / LlamaIndex – RAG pipelines, document loaders, embeddings, vector DBs Vector Databases: Pinecone, Chroma, Weaviate, FAISS Knowledge Graphs & Context Management – Enterprise data linking with RAG AI App Deployment: FastAPI + Streamlit + LangServe + Docker Copilot & AI Tools: GitHub Copilot, ChatGPT API, Code Interpreter, Vertex AI Studio Google AI Developer Kit (ADK) – Edge AI, TensorFlow Lite, Coral, and model serving Voice AI & Conversational Design: Dialogflow CX, OpenAI Assistants, ElevenLabs 🔬 Data, Testing & Quality Database Systems: MySQL, PostgreSQL, MongoDB, Oracle, DB2, Redis Database Design: ERD, normalization, indexing, performance tuning Testing Tools: JUnit, Mockito, Selenium, Cypress, Postman TDD / BDD Practices: Unit, integration, and end-to-end testing Logging & Monitoring: ELK, Splunk, Prometheus Performance Optimization: Profiling, caching, concurrency 🧩 Operating Systems & Scripting Windows / Linux / Ubuntu / Unix Administration File Systems, Permissions, Networking, Process Management Shell Scripting / Automation / Log Analysis System Security and SSH Hardening 🧠 Bonus Topics Mathematics for Programmers – Logic, combinatorics, probability, graph theory Game Development Basics: Unity, Phaser.js, HTML5 Canvas AI Ethics, Data Privacy, Responsible AI Design Automation Projects & Web Crawling / Scraping: BeautifulSoup, Selenium, Puppeteer No-Code / Low-Code Integrations: Zapier, Make, AI automations
Computer programming · Java · Javascript
Medical prep · Physiology · Anatomy
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(11 reviews)
Elena - Milan, Italy51Fr
Trusted teacher: Hello! I’m Elena, I’m Italian and I’m an opera singer, currently actively performing in the contemporary field :) On top of my artistic career, which is now 20+ years old, I have 10 years of solid everyday experience in the musical teaching field, with particular regards for online teaching. My specialties are: teaching opera voice and kids’ vocality. For both of these, any level, even absolute beginner is 100% welcome! I’ve been training children and teens ever since I graduated from my position at La Scala children choir at 18 years old. I love working with kids, and it warms my heart to think of how many little faces I have already had the privilege of meeting thanks to this career. I have helped so many access to the children choirs of their respective cities, and with so many many others I have simply participated in their musical learning journey, which makes me equally proud and happy. Teaching adults is a completely different matter, of course, but it’s probably even more thrilling to me because it allows me to spend the day navigating the fascinating routes of lyrical singing technique. I know how opera studies can be confusing - to say the least; I try my best to represent a safe place for anybody who wants to explore this ancient form of art, as well as to clarify its key points and guide my students to building a correct repertoire. I give lessons for any kind of purpose: - learning music - improving musicality - preparing an audition - finding our own voice - overcoming insecurity Everybody is different, so everybody has their own path to go through; I cater my lessons to the pupil’s needs, and even if the method is always classical, I make sure that the hour of lesson is a fun moment as well as a learning experience. Music is life and life is fun! If what you have read interests you, I’m here to answer all your questions, so don’t be afraid: write me and I’ll see how I can help you! During the lesson, we will take the time to get to know each other better, assess levels and goals, and start to work on them already. I can’t wait to meet you!
Voice (music) · Singing · Opera
Trusted teacher: BELOW VERSION FRANÇAISE Methodology ----------------------- ● All levels ● All ages ● Flexibility in relation to your musical tastes One goal: learn while having fun! My courses are tailor-made: they are adapted to your level, your needs and your objectives. This is why I start by understanding your motivations in order to prepare personalized lessons that combine the useful with the pleasant. I teach salsa in a fun way. My goal is to pass on my passion for salsa to you and not to make you professional dancers. Nevertheless, I pay special attention to the details that will make you kings on the dance floor! The first lessons, we start by learning the basic steps on different rhythms. Then we continue with musicality, different figures and body expression. Private lessons ----------------------------- ● Solo or duet ● In small groups of 4, 6, 8 people or more! ● As a couple (future bride and groom): wedding choreography (first dance/ball opening) Group lessons ------------------------- ● In large groups: entertainment for events (birthday party, party, bachelor/bachelorette party, flashmob) My promises: ● Punctuality and reliability ● The course can overflow in time (about 10 min) ● Assiduous preparation before class ● My good humor and my patience always there course --------------- Dancing has always been part of my life. When I was little, I took classical dance and jazz lessons for several years. Later, I joined a group with which I presented several Funk / Hip Hop / RnB choreographies at shows and dance competitions. In 2008, I discovered salsa, bachata and zumba. Since then, I have been passionate about salsa and Cuban music. Since 2017, I have been a member of a dance school where I teach salsa to a group of people of all ages, dancer or not at heart. Curriculum vitae ---------------------------- ● 1994-1998: Classical and Jazz at the "Cathy Pauwels" school - Wezembeek-Oppem ● 1998-2001: EuropaGym - gymnastics and competitions on music ● 2002-2008: Funk, Hip Hop, RnB at the Anime school ● 2008-2014: Zumba - European Fitness ● 2010 - today: Cuban Salsa ● 2017: Salsa workshop in Cuba with Luanda & Domingo Pau at the Musical Academy of Havana ● 2017 - today: Danza Mania dance school ● 2017 - today: courses with world renowned teachers: Yusmi Moya Rodriguez, Arelys Savon, Leonardo Moya, Diana Rodriguez, Alfredo Garcia, Reynaldo Salazar, etc... FAQs _____ ● Do I need dancing shoes? No, this is not necessary. I recommend that you come with comfortable shoes. ● What should I wear? I advise you to come with light clothes in which you are comfortable. ● Alone or accompanied? You can come either alone or accompanied. ● Other questions? Do not hesitate to contact me! * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ENGLSIH Cuban Salsa Classes: Learn how to dance on Latin music with an experienced teacher! Dancing has always been part of my life. As a kid, I followed classic and jazz dancing classes. Later, I joined a Funk (Hip Hop) dance group with which I showcased a couple of choreographies. In 2010, I discovered zumba and salsa. Since then, I'm passionate about salsa and Cuban music. Methodology ----------------------- ● All levels ● All ages ● Flexibility in relation to your musical tastes One goal: learn while having fun! My classes are adapted to your level, needs and objectives. This is the reason why I always start by understanding your motivation in order to prepare personalized classes. I teach salsa in a fun way. My goal is to share my passion for salsa to you and not to make you professional dancers. Yet, I pay attention to the details that will make you the King of the dance floor! We generally start by learning the rhythm and the basis steps. Later, we focus on different figures and body language. Private classes ------------------------- ● Solo or duet ● In small groups of 4, 6, 8 people or more! ● In couple (bride and groom): wedding dance choreography (first dance) Group lessons ------------------------- ● in a large group: animations for different kinds of event (birthdays, anniversary, evening party, bachelorette, flashmob) My promises: ● Punctuality and reliability ● The course can overflow in time (around 10 min) for free if necessary ● Assiduous preparation before class ● My good humor and my patience CV ------ ● 1994-1998: Classic and Jazz - "Cathy Pauwels" school ● 1998-2001: EuropaGym - artistic gymnastics ● 2002-2008: Funk, Hip Hop, R&B ● 2008-2014: Zumba - European Fitness ● 2010 - present: Cuban Salsa ● 2017: Dance classes in Cuba with Luanda & Domingo Pau - Habana Academy ● 2017 - present: Teacher at Danza Mania School ● 2017 - present: Classes with international teachers: Yusmi Moya Rodriguez, Arelys Savon, Leonardo Moya, Diana Rodriguez, Alfredo Garcia, Reynaldo Salazar, etc... FAQs _____ ● Do I need dance shoes? Not really, just wear comfortable shoes. ● What should I wear? I would recommend you wearing light and comfortable clothes. ● Solo or duet? You are welcome to come alone or with your (dance) partner. ● More questions? Don't hesitate to reach out!
Dance · Ballroom dance · Salsa dance
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(12 reviews)
Marko - Vienna, Austria34Fr
Trusted teacher: Certified IB DP Math Teacher, dedicated to unlocking the world of numbers and equations for students around the globe. With years of experience in teaching mathematics in an international context, I bring a dynamic and engaging approach to online math education. My extensive background ensures that I am well-equipped to navigate and enhance the learning journey for students in various international programs, including the Cambridge International Programs (IGCSE, AS, A Level). What sets my classes apart is the seamless integration of technology into the learning experience. I conduct my sessions using a graphic tablet, ensuring that the transition to the online format doesn't compromise the quality of education. Each student receives a complete set of materials from the class via email in PDF format. This ensures that you have comprehensive notes and resources at your fingertips, aiding in thorough understanding and revision. My classes are designed to be interactive, fostering student participation and collaboration in the virtual learning environment. I understand the importance of catering to the individual needs and knowledge levels of each student. I adapt my teaching style to meet the unique requirements of my students, ensuring that the material is not only understood but mastered at a pace that suits them. Whether you're a beginner or an advanced learner, my goal is to create a supportive and inclusive learning environment tailored to your specific academic journey.
Trigonometry · Math
French · Tutoring
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Only reviews of students are published and they are guaranteed by Apprentus. Rated 5.0 out of 5 based on 272 reviews.

Lëtzebuergesch léieren - Learn Luxembourgish with me - Apprenez le Luxembourgeois avec moi - Sproochentest A0, A1, A2, B1, B2, C1, C2 (Groningen)
Larissa
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I had the pleasure of working with Larissa as my personal Luxembourgish coach for one month leading up to my exam. Her dedication and professionalism were truly outstanding. Larissa helped me practice speaking extensively and also prepared me for the listening test, ensuring I was well-prepared and confident in all aspects. She held me accountable for every course, which greatly contributed to my progress. Larissa is a real professional, and I highly recommend her to anyone looking to improve their Luxembourgish skills.
Review by AMEER
Experienced Ks2 andKs3 Tutor for English, Science and Mathematics
Olatade
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Olatade has been a huge help for my eight-year-old daughter with her Math studies. She has a great way of connecting with kids, encouraging them to do their best, and making learning enjoyable even when they face challenges. I really appreciate how she assesses what a child knows overall and gives support where they truly need it, rather than just sticking to schoolwork or helping with homework. Olatade is patient and friendly, and I know your child will really enjoy learning with her.
Review by JULIA
MONTPELLIER: FLE + FRENCH LIFESTYLE AND CULTURAL VISITS CONVERSATION PACK OF 35 HOURS (Montpellier)
Hélène
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Helen is an incredible teacher, I look forward to every class I have with her. She explains things very well and you can tell she is invested in you learning the language. She makes you feel very comfortable which is important when learning a new language. I’ve been practicing with her for just over a month and I can feel my French getting so much better. I would highly recommend her class to anyone who is looking to practice their language skills.
Review by VIOLETA
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