How My Grofers Internship Came To Be

Design by Asif Jamal In May 2019, I started my internship at Grofers — India’s largest online grocery retailer. I was joining the infrastructure team that has some of India’s smartest and most capable engineers working on problems of scale. Me? It was my first time working in a real, professional environment. I was…

Progressive Web Apps, UX and Engagement

In the past few years, Web Applications and Smartphone based Mobile Applications have played a…

API Management at Grofers with Kong

As we scaled up our backend at Grofers, we moved from a monolithic service to a microservice architecture. Our monolithic service was written to handle tasks like authentication and rate limiting as a part of its code base. When we started to set up various microservices we…

How we load tested our APIs in Production

Grofers’ microservices based infrastructure currently handles around 400K Daily Active Users(DAU). One of the goals of the engineering team this quarter is to make sure our servers are robust enough to handle load at 2.5X of this number i.e. 1 million DAUs. Both availability and performance of our APIs are…

What Is Product Management?

Design by Asif Jamal After talking to leaders of different expertise from multiple startups and being in a product role myself for over four years, I discovered that there is still ambiguity around what a product manager brings to the table. Although, a good part of my understanding of the role has been shaped…

How I Started Working With Kubernetes

Animation by Asif Jamal I first heard about Kubernetes in 2016. When Docker was the new boom, Kubernetes was introduced as a prototype system to manage containers. Though I was unsure of getting into it, I passed it at that time as I was content with containers and didn’t need any orchestration. However, when…

Launch quickly, inspect closely, iterate rapidly

Giving the power of data in hands of your data analyst

Over the last 3 years, our data analytics team has grown from one central team of 4 to over 100 members. Our analysts are spread across our data team, business functions and data science teams. So needless to say, as both data and the team grew, our ways of working…

Community Update — March 2019 (Bangalore)

Managing key-values in Consul using ConsulKV CRD

We have been deploying applications on Kubernetes for over two years. We mostly followed a lift-and-shift approach while migrating to Kubernetes. We looked for everything that Ansible used to do for us and tried to replicate it in Kubernetes. At first, everything seemed to work. But over time we realized…

Community Update — March 2019 (Gurgaon)

For the Golang track, community member Ishaan Bahal talked about GRPC and its use cases from the ground up…

Evolving Continuous Delivery in a Cloud-Native Environment

Grofers Public Bug Bounty Program

Grofers recognizes the importance of continued security research toward helping keep our ecosystem (and customers’ data) safe. In continuation of our efforts in this area, we are excited to announce the launch of the “Grofers Public Bug Bounty Program.” With this program we encourage any security researchers, ethical hackers and…

A Comprehensive Guide To Deploying A Website In Kubernetes

Recently, we at Grofers took a decision to migrate all our services to Kubernetes. Now during the process of migrating our frontend website to Kubernetes, we realised that the default Rolling Update deployment strategy doesn’t work that well and we had to shift to Blue Green strategy instead (we’ll go…

Iris — Merchant Discovery at Grofers

A, C, and E are the visible merchants Each merchant in our system has the following characteristics: Merchant location Merchant serviceability distance (i.e. places where the merchant delivers) As soon as the user opens the consumer app, the user location gets fired. We consider a list of…

In focus: Vinayak Mehta

In focus is a blog series where we move the lens toward our engineers at Grofers and have a conversation on with them about things that make them tick. Vinayak is a software engineer in our data team and is based out of our Bangalore office. He joined us in…

Improving Web Performance with Code Splitting and Resource Hints

Background In our previous post about performance optimization on Grofers.com, we discussed how we split our single large JS bundle…

How We Improved Information Security at Grofers

Application Server Optimization

For the past few weeks, I have been working on improving our system. The improvements involve metrics related to latency. In this article, I am sharing some recipes that I found helpful in my work. This article will be Python-Django specific. I think it should be generally…

The Power of a Tech Community

Let’s talk tech — Organised by Women who code in collaboration with Grofers. “Community is much more than belonging to something; it is about doing something together that makes belonging matter” — Brian Solis When I was in college, I had a clear agenda in place. I had decided to spend less time figuring out the next class I had to attend…

Credentials leaked in public? Here’s what Grofers implemented to prevent such mishaps!

The biggest…

Ansible at Grofers (Part 3) — Managing EC2 Instances

This post is part 3 of the series on how we use Ansible at Grofers to manage our infrastructure. This post explains the issues we faced before we started managing our infrastructure with Ansible, the steps we took to solve all those issues and the infrastructure state we are in…

Ansible at Grofers (Part 2) — Managing PostgreSQL

We have diverse data needs at Grofers. And we use different kinds of databases to fulfill different needs. We started with Postgres in the beginning as our primary data store. And even though we have become polyglot with databases, Postgres remains to be the most used database…

How I Work: The art of balancing

Tatramajjhattatā is the Buddhist word for neutrality of mind. It speaks about a balance that helps an individual keep their mind calm and healthy. This is crucial not only for individuals but also for eco-systems. Organisations are not any different and it is a microcosm of this complex infinite universe…

Data and the bid to simplify grocery

The most critical thing for any business to understand is what their user is looking for and address those needs efficiently. This can be done through collecting explicit user feedback as well as by analyzing their behavior on the platform through the rich engagement…