https://srikanthbadavath.com/blog/ Technical writing on machine learning, distributed systems, cloud computing, and data science by Srikanth Badavath. en-us Srikanth Badavath badavathsrikanth149@gmail.com (Srikanth Badavath) badavathsrikanth149@gmail.com (Srikanth Badavath) Sat, 05 Apr 2026 00:00:00 +0000 https://srikanthbadavath.com/assests/images/sri.png https://srikanthbadavath.com/blog/ https://srikanthbadavath.com/blog/posts/uber-lyft-nearby-drivers.html https://srikanthbadavath.com/blog/posts/uber-lyft-nearby-drivers.html WebSockets, H3 hexagonal indexing, S2 sphere geometry, Redis k-ring lookups — the full real-time geospatial system behind Uber and Lyft's sub-100ms driver matching, compared side by side. Sat, 05 Apr 2026 00:00:00 +0000 Distributed Systems badavathsrikanth149@gmail.com (Srikanth Badavath) https://srikanthbadavath.com/blog/posts/server-scaling-0-to-1million.html https://srikanthbadavath.com/blog/posts/server-scaling-0-to-1million.html Every stage of server scaling explained — from a single VPS to a globally distributed system handling 1M RPM. Load balancers, Redis, read replicas, CDN, Kafka, and auto-scaling with real numbers. Fri, 04 Apr 2026 00:00:00 +0000 Distributed Systems badavathsrikanth149@gmail.com (Srikanth Badavath) https://srikanthbadavath.com/blog/posts/s3-presigned-upload.html https://srikanthbadavath.com/blog/posts/s3-presigned-upload.html Most developers upload files through their backend. That doesn't scale. Here's the production way: presigned URLs, object storage, CDN — with Node.js + Python code and flow diagrams. Fri, 04 Apr 2026 00:00:00 +0000 Cloud badavathsrikanth149@gmail.com (Srikanth Badavath) https://srikanthbadavath.com/blog/posts/how-zip-compression-works.html https://srikanthbadavath.com/blog/posts/how-zip-compression-works.html End-to-end explanation of ZIP compression — LZ77 sliding window, Huffman coding, entropy, and why some files barely shrink at all. Fri, 04 Apr 2026 00:00:00 +0000 Systems badavathsrikanth149@gmail.com (Srikanth Badavath) https://srikanthbadavath.com/blog/posts/claude-apify-job-dashboard.html https://srikanthbadavath.com/blog/posts/claude-apify-job-dashboard.html End-to-end guide: use Claude's Apify connector to scrape LinkedIn jobs and render a filterable, sortable HTML dashboard — with the full prompt. Fri, 04 Apr 2026 00:00:00 +0000 AI Engineering badavathsrikanth149@gmail.com (Srikanth Badavath) https://srikanthbadavath.com/blog/posts/portfolio-seo.html https://srikanthbadavath.com/blog/posts/portfolio-seo.html Sitemap, canonical tags, Schema.org Person markup, Google Search Console, and the Wikidata trick — how I improved my portfolio's search visibility. Fri, 04 Apr 2026 00:00:00 +0000 Career badavathsrikanth149@gmail.com (Srikanth Badavath) https://srikanthbadavath.com/blog/posts/consistent-hashing.html https://srikanthbadavath.com/blog/posts/consistent-hashing.html A deep dive into consistent hashing — ring structure, virtual nodes, Python implementation, and how DynamoDB and Cassandra use it at scale. Fri, 04 Apr 2026 00:00:00 +0000 Distributed Systems badavathsrikanth149@gmail.com (Srikanth Badavath) https://srikanthbadavath.com/blog/posts/cap-theorem.html https://srikanthbadavath.com/blog/posts/cap-theorem.html What CAP really means, real network partition scenarios, and how Cassandra, DynamoDB, and Zookeeper make the consistency vs availability trade-off — with code. Sun, 01 Mar 2026 00:00:00 +0000 Distributed Systems badavathsrikanth149@gmail.com (Srikanth Badavath) https://srikanthbadavath.com/blog/posts/teaching-nlp-vt.html https://srikanthbadavath.com/blog/posts/teaching-nlp-vt.html Bugs every NLP student makes — tokenization traps, data leakage, class imbalance, BERT as a black box — and the code fixes, from CS 5664 at Virginia Tech. Thu, 01 Jan 2026 00:00:00 +0000 NLP badavathsrikanth149@gmail.com (Srikanth Badavath) https://srikanthbadavath.com/blog/posts/llm-fine-tuning.html https://srikanthbadavath.com/blog/posts/llm-fine-tuning.html How we fine-tuned LLMs with QLoRA at Blenheim Chalcot — dataset curation, LoRA training setup, 3-layer evaluation, and results vs few-shot prompting. Tue, 01 Oct 2024 00:00:00 +0000 Machine Learning badavathsrikanth149@gmail.com (Srikanth Badavath) https://srikanthbadavath.com/blog/posts/forecasting-phone-prices.html https://srikanthbadavath.com/blog/posts/forecasting-phone-prices.html Published IEEE research: XGBoost achieves R²=0.91 forecasting used smartphone prices. Full pipeline, SHAP analysis, and the non-linear depreciation curve. Wed, 15 Nov 2023 00:00:00 +0000 Machine Learning badavathsrikanth149@gmail.com (Srikanth Badavath) https://srikanthbadavath.com/blog/posts/hacktoberfest-2022.html https://srikanthbadavath.com/blog/posts/hacktoberfest-2022.html Four PRs merged, two real codebases contributed to. What open source contribution actually looks like — finding issues, getting reviews, and what sticks. Mon, 31 Oct 2022 00:00:00 +0000 Open Source badavathsrikanth149@gmail.com (Srikanth Badavath) https://srikanthbadavath.com/blog/posts/google-cloud-facilitator.html https://srikanthbadavath.com/blog/posts/google-cloud-facilitator.html Completed 100+ Qwiklabs and reached Milestone status. Honest breakdown of what stuck, what didn't, and how to get real value from the program. Fri, 01 Jul 2022 00:00:00 +0000 Cloud badavathsrikanth149@gmail.com (Srikanth Badavath)