Analytics, experimentation, data platforms and pipelines.
GeoIndia: A Seq2Seq Geocoding Approach for Indian Addresses Download to access the research paper GEOINDIA_V1.pdf 5 MB download-circle Type an address into any major mapping service and you'll get a pin dropped on a map in seconds. It feels effortless. But under the…
In the world of e-commerce, a click of a “Buy Now” button starts an invisible race. Across India (metro cities or remote villages) millions of customers expect their packages to arrive with a speed that feels like magic. But behind that “magic” is a monumental logistical puzzle.…
Picture this: Your favorite batsman is on strike, two runs needed off the last ball — and you’re starving. Continue reading on Swiggy Bytes — Tech Blog »
A Dual Perspective Hypergraph Neural Networks Download to access the research paper DPHGNN.pdf 2 MB download-circle Every e-commerce company has a version of this problem: an order gets placed, the delivery is attempted, and the package comes back. Return-to-Origin, or…
Our on-call engineers were spending 30 minutes investigating every production alert. Here’s what happened when we automated it. At 3 AM, alerts don’t care about your sleep schedule. When our payment infrastructure threw an error last month, our on-call engineer spent 32 minutes…
At ShareChat, we recently overhauled the architecture of our events ingestion system. As part of this exercise, we also migrated all our event data contracts from JSON to protobuf.
Ankit Kumar | Oct 2025 · 6 min read The “Why”: Moving Beyond the Grid Picture this: A white background. A shirt. Fabric details. Fit specs. A price tag. For decades, this has been the status quo of online shopping. It is clinical, clear, and — let’s be honest — completely…
Juspay has built an internal AI-powered tool that eliminates guesswork, boosts efficiency, and aligns design with development.
Author: Subhan Shariff In 2009, Atul Gawande published The Checklist Manifesto. A two-minute pre-surgery checklist confirming patient identity, reviewing allergies, and counting instruments reduced major surgical complications by 36% worldwide. This was not because surgeons were…
The Race Against the Clock: Optimizing Supply Chain Capacity for Faster Deliveries — Part 1 (Capacity Management Series) In the hyper-competitive landscape of online retail, delivery speed is often the sole differentiator between a confirmed sale and an abandoned cart. For…
At ShareChat, we recently overhauled the architecture for the data ingestion system. As part of this exercise, we also moved 100% of our event data contracts from JSON to Protobuf.
You have a $50 gift card. Your cart is $75. The checkout says “pick one payment method.” This is a solvable problem. If you’ve ever tried to use a gift card for an online purchase, you know this frustration intimately. The gift card covers most of it, but not quite all. The…
By: Jason Reaves Shub Stealer[1] which looks very similar to MacSync also leveraged the same obfuscator on their shellscript[2] that is very popular lately. Shell script: fd674425d3fc0d95bbc90dcd598eabdb2ddd77037954c8a1d1175f118d1e8dddAfter decoding however it is a bit different…
By: Jason Reaves A lot of focus specifically surrounding DPRK has been on IT workers but there are multiple entities performing various schemes. One of the more prolific ones being interviewing developers and having them work on TA supplied code repositories from various sites.…
We built a multi-provider rewards platform using e-commerce patterns. Here’s why that matters. You’re running a loyalty program. Customers are redeeming points for gift cards, ongoing offers, memberships, or experiences. Then your provider’s API times out. You refresh. Try…
I used to think adding a ‘Read Replica’ was a magic button for scaling applications. I was wrong. While splitting read and write traffic is a standard system design pattern, implementing it introduces a world of pain – from stale reads to the dreaded Split-Brain problem. Here is…
Introduction In the dynamic landscape of e-commerce, data is the bedrock of decision-making, and app stability is the foundation of user experience. At Myntra, where millions of users engage with our platform daily, ensuring the reliability of both is paramount. This necessity…
Introduction Ever wondered why your backend slows to a crawl when comparing massive sets of strings? Here’s how we turned a bottleneck into a lightning-fast operation using bitsets. Efficiently checking for overlaps between large sets of strings is a common challenge in…
In financial systems, a lot of critical work happens quietly after market hours. Once the stock market closes, exchanges share multiple large files with brokers. These include trade files, contract details, holding updates, and daily charges. These files contain thousands, and…
SDE-II Interview Experience at Swiggy Continue reading on Swiggy Bytes — Tech Blog »
At ShareChat's Central Data Platform (CDP) team, we handle more than 1,000 different event types across 5 apps, ingesting upward of 80 billion events per day.
Author: Rijul Gupta In a fast-growing product company, engineering teams are expected to move quickly and ship confidently. Even with solid engineering practices, every mature system reaches a stage where the cost of change rises steadily — both in terms of risk and time to…
“If you can test it before you merge it, you can trust it when you ship it.” by Arvindan Frontend teams typically are efficient if they handle PR in different manners. Classical PR reviews slow down when reviewers can’t open the change in the browser and try it like an end user.…
Introduction When the SOLR query logic expanded into a 12,000-line monolithic implementation, each modification introduced significant risk, making every change feel akin to defusing a critical system. Adding a market-specific override required yet another if block, compounding…
At 4 AM, after firefighting a production incident for three hours, the last thing any engineer wants to do is open a blank Google Doc and start writing. Yet that’s the reality of thorough incident documentation. After resolving high-severity incidents, producing detailed Root…
1. Abstract Managing Data Science programs requires a structured approach to handle the complexities of data, model development, and business alignment. This whitepaper provides a comprehensive guide on the effective program management of Data Science programs by technical…
Cost management is a critical factor in the implementation and maintenance of a data platform, as it often accounts for a significant share of an organization’s overall infrastructure costs and must consistently deliver strong return on investment. As data platforms scale to…
At ShareChat’s Central Data Platform (CDP) team, we cater to more than 1000 different event types from 5 different apps, receiving and ingesting more than 80 billion events per day on a regular basis.
Contributor : Yashshree Shinde When merchants couldn’t see why their funds were on hold, trust broke down. Here’s how we rebuilt the entire experience. You’ve shipped your products, paid your delivery partners, and you’re waiting for settlement. Then you receive a notification:…
At Meesho, we are constantly striving to understand our users better and enhance their experience. Every day, users can generate billions of events on our platform from browsing products to completing purchases and we aim to translate these signals into insights instantly. From…
We’ve been a Java shop for years, and now agentic AI demands us to rethink. How I got here? I’ve been in the Java world for more than 30 years. Java has been my default answer to “what should we build this in?” for most of my career. I’ve seen it grow from applets and early web…
Context Ambitious goal and the scope of the problem We were chasing a critical, futuristic business requirement for our big data pipelines achieving “1-day planning,” defined as a total execution window of 24 hours or less. The entire process is extensive, processing a 7TB data…
Overview In the pursuit of real-time analytics at scale, teams often face a key architectural decision: continue scaling traditional…
Image Source: Google Nano BananaTL;DR LLMs struggle to summarize the thousands of reviews for a single product because of context window limits and conflicting opinions. The proposed solution, XL-OPSUMM, is a scalable framework that summarizes reviews incrementally (in chunks)…
At PhonePe’s scale, handling millions of transactions and user interactions every hour requires an analytics platform that’s not just fast, but instant. When every millisecond counts — both for user experience and incident detection — batch processing simply doesn’t cut it.…
At ShareChat, Redis APIs were embedded in almost everything: caches,recommendation delivery systems,deduplication queues, ranking pipelines, counters, you name it.
Choosing between Maestro and Detox for our app QA Automation needs At Jupiter, we continuously strive to deliver a seamless and reliable experience to our users, which makes testing a critical part of our development process. Shipping high-quality mobile apps is brutal with…
By mid-2023, we had transformed our ML stack—building a real-time feature store, optimizing model retrieval, and fine-tuning ranking. But two critical gaps remained: 🔹 Scaling model inference without hitting infrastructure roadblocks 🔹 Moving embedding search from batch to…
At ShareChat — a leading social media platform with over 200M monthly active users (MAU) — our data platform ingests and processes more than 1 million events per second. However, this event load isn't constant.
By late 2022, we had built something we were truly proud of—a real-time ML serving system with a DAG-based executor, a feature store, and an interaction store powering key ranking and personalization models. It was a major milestone, the culmination of months of effort from data…
Introduction In the fast-paced world of e-commerce, every millisecond and every pixel counts. At Myntra, where visual content drives discovery and engagement, we embarked on a critical mission: to revolutionise how animations are delivered in our Android and iOS apps. This…
Every time a user views a post, an event is fired to inform us. We feed this real‑time stream into our recommendation system, e.g. analytics pipelines, feature computations, and view counters.
Search at Meesho For an e-commerce platform like Meesho, optimizing Search is pivotal to enhancing the user experience, improving product visibility and faster discovery, and eventually increasing conversion rates. Users search in multiple Indian languages looking for quality…
New users rarely give second chances. If their first experience on the app, especially the homepage product feed, feels irrelevant then they leave quickly. At Meesho, we noticed that our static homepage product feed for new users was causing high bounce rates and a poor first…
What is Feed Re-ranking? Online shopping platforms face intense competition, where the ability to deliver the most relevant products to customers is crucial. A well-organized and relevant product feed, which inherently is a list of products, forms the backbone of any E-commerce…
At ShareChat, our in-house ML feature system powers personalized feed recommendations across the platform.Built on Apache Flink, it serves as a feature-as-a-service platform for scalable computation
The Genesis: How a Friday Night Roast Sparked Meesho’s ML Platform It all started in early 2022, over a casual Friday evening catch-up. Like many great origin stories, this one began with friendly banter between a group of backend engineers and data scientists. As the…
Our recording infrastructure focuses on WebRTC video and audio. The goal is to allow moderation teams to access clean, archived footage—composite or individual—for compliance, post-production, or analysis.