Ravikumar R

Over the past 5+ years, I’ve developed deep expertise in full-stack application development, leveraging JavaScript, TypeScript, C#, VB.NET, and SQL to build and maintain scalable systems. My frontend work includes HTML, CSS, and React, while on the backend, I regularly use .NET, Node.js, and Webpack.

For the past 3 years, I’ve focused on video streaming technologies, delivering reliable and scalable playback experiences for global live events. I’ve worked with Shaka Player, Harmonic, and Azure Media Services, and have implemented solutions involving DRM (AES-128, DASH, ClearKey), SCTE-35 metadata, and VOD manifest proxy.

I also work extensively with Azure cloud services, including Cosmos DB, Storage Accounts, and App Insights, alongside a strong understanding of Azure fundamentals.

My toolkit includes Git, Azure DevOps, Visual Studio, VS Code, IntelliJ, and SonarQube. I take pride in writing clean, tested code with tools like xUnit, NUnit, Jest, and Playwright, following TDD principles wherever possible.

• Enhanced Accessibility: Engineered a custom Sign Language (ASL/ISL) toggle on the video player, enabling inclusive streaming by syncing an additional sign-language stream alongside the main video feed — significantly improving accessibility for hearing-impaired users.
• Interactive Live Streaming: Delivered real-time "Click-to-Action" (CTA) prompts in live streams by synchronizing user actions to precise UTC timestamps and server-side signals, driving engagement during live broadcasts (e.g., surveys, polls, info cards).
• Live DVR Chaptering: Introduced dynamic chapter markers in DVR-enabled live streams based on real-time metadata, making it easier for viewers to navigate to key event segments — enhancing usability and replay value.
• SCTE-35 Cue Integration: Integrated SCTE-35 triggers into HLS live streams to automate end-of-stream CTAs and post-event surveys, bridging broadcast signaling with in-player interactivity.
• iOS Fullscreen Customization: Overcame iOS-native fullscreen limitations by building a custom fullscreen mode that preserves all player functionalities — allowing full feature access and branding control on Apple devices.
• Synchronized Multi-Stream Playback: Developed a dual-player window feature with synchronized playback and dynamic resizing (main + ASL stream), empowering users to control layout and improving comprehension for multilingual or accessible content.
• A11y-Compliant Player Build: Led the development of OneStream Player to conform with WCAG standards, fully accessible via screen readers (Windows Narrator, JAWS, NVDA, VoiceOver, TalkBack) — enabling inclusive streaming across web and mobile platforms.
• Personalized Playback Delivery: Architected a dynamic manifest handling system to deliver user-specific content (e.g., language, quality, or region) within a single video player instance, simplifying infrastructure while increasing personalization.
• Dev-Environment Cost Savings: Built a PowerShell + FFmpeg live streaming tool to simulate multilingual streams from local MP4 files — eliminating the need for OBS or real devices during QA, reducing development cycle time and costs.
• Refactored inline queries to Entity Framework for performance and maintainability
• Built a tool to migrate data from higher environments to dev, enhancing development efficiency

• Innovative problem solver with deep expertise in streaming technology.
• Strong in debugging, architectural thinking, and optimizing media experiences.
• Effective team player and mentor, contributing to collaborative technical success.