Daniel Ostapenko
Passionate Software Engineer | Web Development Expert | Making internet a better place
I'm skilled in multiple technologies and domains: I had experience working with various Front-End frameworks and with Back-End languages like C#, PHP, Go, Ruby. I've been part of engineering teams of small companies, fast-growing startups and large enterprise companies. I hold a master's degree in Applied Mathematics, with expertise in algorithms, data structures, and computer architecture.
I began my journey as a developer in childhood, and since then, I have a huge passion for software engineering.
https://medium.com/@danielostapenkohttps://github.com/denielerhttps://denieler.com
Google, where is Drive Picker?
A deep dive into why Google Drive’s mobile file picker still fails in 2025, the limitations of the drive.file scope, and the workaround developers use to safely select Drive files on iOS and Android.
Building Performant Voice AI Agents
My experience building high-performance Voice AI agents for Enkitalki — from quick prototypes with Vapi API, to a custom Python backend, and finally Pipecat. Learn lessons on streaming, barge-in, STT/TTS model choices, cost optimization, and building scalable real-time conversational AI.
Effective Monorepo Architecture
Learn how to structure your monorepo to improve code sharing, collaboration, and development velocity.
Deepgram Integration in React Native: End-to-End Voice Conversation
Learn how to integrate Deepgram's voice capabilities into a React Native app using Expo and native Kotlin modules.
React Server Components Without Frameworks
Learn how React Server Components work under the hood, how react-server-dom-* packages power them, and how to build a minimal RSC setup without a framework.
AI Development Tools Should Boost Your Productivity, and This Is the Experience from the Field
I share my practical experience using AI tools to boost productivity in enterprise software development across all stages, from planning to maintenance.
Sora Storyboard
Sora Storyboard for AI-driven video creation. Tips, features & techniques for stunning, dynamic results.
How to Improve Storybook Performance in Large Projects
Learn how to improve Storybook performance in large repositories with SWC, lazy loading, and other techniques.
Frontend Developer Jobs Remote: What Employers Look For
Learn key skills for remote frontend developer jobs: self-discipline, proactive communication, and what employers value most. Insights from 5+ years of remote work experience.
Effective Personal Communication Rules
Communication is key to a successful business. Learn how to create a communication strategy that fosters collaboration, transparency, and trust within your company.
How to deploy Dify.ai to Fly.io
Deploying Dify.ai application to Fly.io hosting. The post covers docker container setup and how to efficiently deploy AI infrastructure to Fly.io in a cheap way.