Skip to content

Categories

Search for anything

Development

Web Development Data Science Mobile Development Programming Languages Game Development Database Design & Development Software Testing Software Engineering Software Development Tools No-Code Development

Business

Entrepreneurship Communication Management Sales Business Strategy Operations Project Management Business Law Business Analytics & Intelligence Human Resources Industry E-Commerce Media Real Estate Other Business

Finance & Accounting

Accounting & Bookkeeping Compliance Cryptocurrency & Blockchain Economics Finance Finance Cert & Exam Prep Financial Modeling & Analysis Investing & Trading Money Management Tools Taxes Other Finance & Accounting

IT & Software

IT Certifications Network & Security Hardware Operating Systems & Servers Other IT & Software

Office Productivity

Microsoft Apple Google SAP Oracle Other Office Productivity

Personal Development

Personal Transformation Personal Productivity Leadership Career Development Parenting & Relationships Happiness Esoteric Practices Religion & Spirituality Personal Brand Building Creativity Influence Self Esteem & Confidence Stress Management Memory & Study Skills Motivation Other Personal Development

Design

Web Design Graphic Design & Illustration Design Tools User Experience Design Game Design 3D & Animation Fashion Design Architectural Design Interior Design Other Design

Marketing

Digital Marketing Search Engine Optimization Social Media Marketing Branding Marketing Fundamentals Marketing Analytics & Automation Public Relations Paid Advertising Video & Mobile Marketing Content Marketing Growth Hacking Affiliate Marketing Product Marketing Other Marketing

Lifestyle

Arts & Crafts Beauty & Makeup Esoteric Practices Food & Beverage Gaming Home Improvement & Gardening Pet Care & Training Travel Other Lifestyle

Photography & Video

Digital Photography Photography Portrait Photography Photography Tools Commercial Photography Video Design Other Photography & Video

Health & Fitness

Fitness General Health Sports Nutrition & Diet Yoga Mental Health Martial Arts & Self Defense Safety & First Aid Dance Meditation Other Health & Fitness

Music

Instruments Music Production Music Fundamentals Vocal Music Techniques Music Software Other Music

Teaching & Academics

Engineering Humanities Math Science Online Education Social Science Language Learning Teacher Training Test Prep Other Teaching & Academics

Web Development JavaScript React JS Angular ASP.NET Core Typescript Next.js AI Agents & Agentic AI Node.Js

AWS Certified Solutions Architect - Associate CompTIA Security+ AWS Certified Cloud Practitioner CompTIA A+ Cisco Certified Network Associate (CCNA) Amazon AWS CompTIA Network+ Artificial Intelligence Governance Professional (AIGP) Information Security

Microsoft Power BI Claude AI SQL Data Modeling Data Analysis AI Agents & Agentic AI Business Analysis Microsoft Copilot Tableau

Unreal Engine Unity Game Development Fundamentals 3D Game Development C# (programming language) Godot 2D Game Development Unreal Engine Blueprints C++ (programming language)

Google Flutter React Native Dart (programming language) iOS Development Android Development Swift SwiftUI Mobile App Development Kotlin

Stock Options Financial Accounting Accounting Financial Modeling Fintech Forex Trading

Graphic Design Drawing Adobe Illustrator Adobe Photoshop Canva Procreate Digital Illustration App Adobe InDesign Affinity Designer Digital Painting

Life Coach Training Public Speaking Neuro-Linguistic Programming (NLP) Personal Development Personal Transformation Sound Therapy Philosophy Coaching Remote Viewing

Business Fundamentals Large Language Models (LLM) Truck Dispatching Entrepreneurship Fundamentals Artificial Intelligence (AI) Business Strategy ChatGPT Online Business Freelancing

Digital Marketing 3D Animation Social Media Marketing Marketing Strategy Internet Marketing AI Content Generation ChatGPT Copywriting Google Analytics

Instructor

Sergei Golitsyn

Senior Software Developer

1,911

Total learners

175

Reviews

About me

• 7+ years of experience building massively scalable systems (mostly using Java) both from scratch and diving into an existing codebase.

• In one of my previous companies, I worked my way up from a programmer to a TeamLead of software development and managed a team of 13

• Currently, I’m a Senior Java Developer / Senior Software Engineer in a Zillion Whales team.

Top companies choose Udemy Business to build in-demand career skills.

Udemy Business
Teach on Udemy
Get the app
About us
Contact us

Careers
Blog
Help and Support
Affiliate
Investors

Terms
Privacy policy
Sitemap
Accessibility statement

© 2026 Udemy, Inc.