Dafin Edison J's profile on Product Hunt

About

Hey everyone! I'm Dafin Edison — an athlete from India chasing the Olympic dream and a passionate indie developer building tools to uplift the sports community. With SpeedTrackr, I'm bridging the gap between elite-level performance analytics and everyday athletes who deserve better training insights, no matter where they are. I believe technology, when made accessible and thoughtful, can help athletes break barriers — just like I’m working to break mine on the track. This journey is as much about growth and impact as it is about code. Let’s build for good, together. 🏃‍♂️💻🇮🇳

Links

Jaconir

SpeedTrackr

Badges

Tastemaker

Gone streaking 10

Gone streaking

Gone streaking 5

Maker History

Synthetic Data FactoryCreate ML-ready datasets for niche problems in minutes
Jan 2026
Free DSA Learning HubData structures & algorithms for beginners | jaconir
Nov 2025
SpeedTrackrTwo-device practice sprint timing + session lab; web login.
Jul 2025

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Joined Product HuntJune 15th, 2025

Forums

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16d ago

SpeedTrackr - Two-device practice sprint timing + session lab; web login.

Practice-grade sprint timing for sprinters, coaches, and S&C athletes—without laser gates. Two start/finish devices; second Android, iPhone, or laptop. One elapsed time—no splits or multi-gate timing. Not FAT/federation timing. Android lab: start reaction, jump/RSI from flight-time video, and phone VBT. Coach Mode (roster + Excel) works on web and Android. Google Play: com.speedtrackr.reactionpro. Web: https://www.speedtrackr.com/auth.... No native iOS app, form analysis, or Timing Pro.

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9mo ago

Synthetic Data Factory - Create ML-ready datasets for niche problems in minutes

Creating training datasets is often harder than training models. Synthetic Data Factory helps you generate realistic, structured synthetic datasets for ML tasks like NER, OCR, and fine-tuning, especially when real datasets don’t exist. Describe the scenario, generate data instantly, audit it, and export as CSV, JSONL, GPT, or Ollama formats. Runs entirely in the browser using your own Gemini API key. No login. No servers. No data storage.

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11mo ago

Free DSA Learning Hub - Data structures & algorithms for beginners | jaconir

Learn DSA the modern way, with interactive visualizations, step-by-step animations, and practice-driven explanations. Jaconir DSA turns complex algorithms into easy-to-understand visuals, helping students and beginners truly see how data structures work under the hood. Explore concepts with guided walk-throughs, hands-on examples, and instant practice problems, all 100% free. Perfect for interview prep, college students, and anyone learning DSA from scratch.