War stories of scaling to millions and billions.
This blog narrates our team’s journey with Compose, detailing its inception at PhonePe, its adoption by the Pincode team, our experiences, and the challenges we faced. The Pincode Android app UI is built using Jetpack Compose. As of July 2024, the app has over 2.5 million…
🎤 10x Engineering Tech Talks This talk by Kanav Arora will draw on our learnings from the efforts that we undertook earlier this year to improve Urban Company’s website performance, resulting in a 60% reduction in load time. All the efforts towards performance engineering can…
Data Privacy & Security — Detecting & Encrypting PII 🎤 10x Engineering Tech Talks Ever wondered why PII encryption is crucial or how to effectively detect PII in your databases? In this insightful talk, Jatin Gupta (Tech Lead, Infra & Security) delves into the importance of PII…
🎤 10x Engineering Tech Talks Can traditional data management handle modern analytics? In this insightful talk, Abhishek Pathania (Tech Lead, Data Platform) explores the challenges Urban Company faced as their data needs expanded. He highlights the need for a robust,…
In the fast-paced world of digital payments, delivering seamless and dynamic user experiences across platforms is crucial. At PhonePe, we are excited to introduce LiquidUI, our in-house built Server-Driven UI (SDUI) framework.
In this article, we will discuss the optimizations we did to reduce the footprints of our Elasticsearch. We optimized write throughput and reduced disk storage by leveraging query patterns and tuning indexing and doc_values for fields in elastic search.
In the previous article, I provided a concise overview of PhonePe’s Elasticsearch architecture and outlined the diverse strategies employed to efficiently scale our cluster in order to manage millions of writes.
By — Rounak Saha (Engineer, Platform) Push Notifications (PNs) are an efficient mode of in-app communication for an organisation to engage with its user-base. It is not only cost-effective, but also facilitates convenient real-time updates to users. This blog describes the…
By — Saumil Shah (Engineer, Marketplace) P.C. Adobe stock photoUrban Company (UC) professionals deliver services across a wide spectrum of categories. Over the course of a request journey, right from a booking being made to a service starting, the request may get cancelled under…
Real time analytics platform at PhonePe handles more than 100 billion events a day. We store this data for approximately 30 days which is equivalent to almost 3 trillion events in the Elasticsearch cluster.
In this blog, we will share our (opinionated, but grounded) perspective on why Hasura is better than Apollo for building and running production GraphQL APIs at scale in most enterprise use cases.
If you read our previous blog, we deep dive into how we optimized the chat experience performance via DB queries, protoBuf, and pagination. In the second part of the blog series, we shift our focus to CPU profiling and thread utilization.
By — Resham Wadhwa ( Data Scientist, Data) At Urban Company, we act as a matchmaker between customers and service professionals for home services like salons and cleaning. Our goal is to find the right professional, ensure they accept the request, arrive on time, and deliver…
Our commitment has always been to empower developers to build and scale applications effortlessly. As part of that commitment, we ensured Hasura’s Data Delivery Network (DDN) can harness the strength of the world's most advanced real-time analytics database, ClickHouse.
TL;DR Like numerous other orgs, we transitioned (actually, flipped overnight) to being fully remote during the first COVID pandemic lockdown in 2020. It worked out great in the first year, started losing its sheen in the second year, and became detrimental to creativity and…
In the previous part, we delved into the different steps of achieving isolation between the module sandbox and the host app during the development phase.
Have you ever used the PhonePe app to send money to a friend via their phone number? If you did, you’ve definitely come across the P2P flow. Read this blog to understand how we made one of the most important features of the PhonePe app faster by reducing latency significantly.
Have you ever had an alarm fail to wake you up, causing a ripple effect of chaos in your morning? At PhonePe, we understand the criticality of such ‘alarms’ in our digital ecosystem. Take, for instance, our daily Merchant Settlements process. A merchant receives multiple…
At Zerodha, many million users login and use our financial platforms every day. Over the recent months, on an average day, 1.5+ million users have been executing stock and derivative transactions. On a volatile day, this number could easily double. After a trading session…
By — Abhishek Pathania (Engineer, Platform) Urban Company’s growth over the last few years has resulted in an increased volume and reliance on data to fulfill product & business use-cases. Data-driven decisions across teams have played a pivotal role in this journey; but it came…
In this post we will discuss the evolving architecture for Sharechat’s event streaming platform. We will deep dive into what was our first generation architecture, what problem statements we constantly faced and there-fore strived to solve.
We choose server side rendering with React18 to help us improve page load times Continue reading on Swiggy Bytes — Tech Blog »
In the initial segment of this blog series, we explored the concepts of application and module sandboxing, identified scenarios that necessitate a module sandboxing solution, and highlighted its advantages.
Setting context: Adoption of SwiftUI by PhonePe Since PhonePe’s inception in 2015, its mobile ecosystem has primarily consisted of the PhonePe app, the PhonePe Business app, and a payment gateway SDK for third-party apps. Over the years, we have managed to grow the PhonePe app…
By — Avantika Dwivedi (Product Ordering Ecosystem, Engineering) After servicing over 10 Lakh ROs of every possible brand, we realised that the high cost of maintaining a water purifier was due to the frequent wear and tear of filters, leading to expensive yearly RO water…
Case Study on Large Scale Re-architecture: Evolution of Order Management System at CRED — Part 1 CRED was launched almost 5 years back as a platform to track and manage credit card statements and bill payments. Today, it provides variety of other offerings as well to its members…
Kafka, a distributed streaming platform, has become the backbone of PhonePe’s data infrastructure, enabling them to seamlessly handle the staggering flow of information.
Module Sandboxing is a fundamental concept that fortifies application security by isolating it from the underlying operating system and other applications.
As backend engineers, they spent a lot of time figuring out how to connect routes to controllers, controllers to services, and services to the data access level. All of this work is replaced by Hasura.
Learn how to use modern technologies and ideas like Relay and Backend for Frontend, to scale out frontend applications and teams.
By — Aman Singh (Order, Request Management Ecosystem) Introduction There has been a lot of confusion between behaviour and structure over the years and many freshers faced this issue. What is the behaviour? What is the structure? What are the differences between the two? Who had…
When working in parallel, solutions like Apigee and Hasura form the backbone of a complete enterprise API strategy.
Following up on the blog about PhonePe’s Internal Cloud Provisioning service, this blog addresses inventory addition flow management that makes it easier for the Procurement team, Site Operations (Siteops) team and the Tools team to track assets coming into our data centers,…
As PhonePe continues to scale, the tech that goes behind each division also needs to scale and meet the requirements of all stakeholders involved. Bullzeye addresses a few challenges faced in managing ads such as issues with scalability of reporting modules and frequency cap…
At Zerodha, we run a multitude of internal and public-facing services that generate copious amounts of logs. While developers use these logs to debug or troubleshoot incidents, some services also emit logs that must be persisted for prolonged periods to comply with numerous…
Discover how elastic connection pooling helps you auto-scale Hasura Cloud to manage large amounts of API requests.
In this article, we will talk about the drivers behind the rise of data APIs in data warehouses, challenges with current approaches to building, operating, and scaling data APIs, and how Hasura addresses those challenges for our customers.
At ShareChat and Moj, we send around eight billion notifications per day. In this blog, we detail how we drive maximum efficiency, without hampering the user experience
We, at ShareChat, believe in working smart. Here are some tips and tools to ensure you are at your productive best as a developer
The Trust and Safety team at PhonePe are problem-solvers and a team of analysts, engineers, and product folks. They are the subject matter experts in this field who combine domain expertise, statistical knowledge, and computer science skills to solve various problems around…
PhonePe Cloud, commonly referred to as PPEC, is PhonePe’s internal cloud provisioning service that has, with many years of learning, adapted to its internal network architecture, as well as the way teams are set up and execute their daily work.
Well-Typed and Hasura have been working together since 2020 to improve Haskell tooling for commercial Haskell users, taking advantage of Well-Typed's expertise maintaining the Glasgow Haskell Compiler and Hasura's experience using Haskell in production at scale.
Over time, I have come to realise that the term user “engagement” in software, more often than not, is a thinly veiled proxy for user entrapment, whether intentional on the part of software designers or not. The trend of shallow user numbers and “engagement” metrics taking…
Being a social media company we maintain a lot of counters; from views and likes to many more internal ones related to revenue spending etc. Updating a count might seem simple but as always the real problems come with scale.
Ever wondered how you are able to find relevant and entertaining content every time you go to the Moj or ShareChat “Home” page? Machine Learning is at the core of this complex machinery!
Recommended — Just For You: How We Handle Personalisation at Scale Written by Srijan Saket, Aravindh R, Subham Todi, Brihati Jain Our Mission Ever wondered how you are able to find relevant and entertaining content every time you go to the Moj or ShareChat “Home” page? Machine…
At Zerodha, the first mobile version our flagship trading platform Kite was written as a native Android app in 2015. After building a cross-platform version in React Native in 2017, we finally settled for a full rewrite in Flutter in 2018, a choice that has paid off really well…
Written by Mohit Dubey ShareChat is on a rapid growth path with 180 Mn monthly active users. Advertisers want to run their advertisement campaigns on ShareChat in order to reach these target audiences. Our aim is to show the advertisement to the most relevant audience so that…