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…

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…

Why physical storage of your database tables might matter

In our quest to simplify and enrich online grocery shopping for our users, we experimented with serving personalized item recommendations to each one of them. For this we operated in batch mode and pre computed relevant top 200 item recommendations for each user and dumped the results in a table…

Grofers Lambda: A 2019 Year-In-Review

The most-read authors, stories, and what’s coming in 2020. In 2019, we increased our focus on Lambda with an aim to share stories that give you an insider look into the tech and people that run Grofers. As a result, 2019 turned out to be an incredible year of learning for all of us at Grofers engineering. Best? our…

Building a technology first company

Over the past few years, we have seen rise of tech companies. There are a lot of definitions of what truly is a technology company. There are also different terminologies like “tech driven”, “tech enabled” and “pure tech”. And the debate goes on… At Grofers, our vision is to be…

A crazy, wild, roller-coaster ride

It was towards the end of October 2014 that I came to know about Grofers. A friend of mine had…

Reducing data transfer costs with a Docker registry cache

Do You Need A Personal OKR?

Design by Asif Jamal Making a contract with your future self When we started using OKRs in Grofers, it was to ensure that we had a way of getting everyone on the same page around what was important towards our goals as a team and as a company. This exercise taught us a lot and although we’ve failed in every…

The Final Call — The good and the bad of React Native

Photo by Tingey Injury Law Firm on Unsplash This blog is part of the Grofers React Native blog series. Through this series we attempt to share the journey of integrating React…

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 Grofers Doubled The VIP Pass Purchase Conversion For India’s Biggest Grocery Sale

The GOBD sale. The e-commerce sector in India continues to grow rapidly with major peaks around the holiday period. Sometimes a good ol’ sale will give you a baseline jump faster than any new product initiative on a fixed scale of time. Making the sale big therefore is of paramount importance. At Grofers…

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…

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…

Evolving Continuous Delivery in a Cloud-Native Environment

Exploratory Data Analysis of orders on Grofers

Reducing AWS data transfer cost: Kubernetes from Multi-AZ to Single-AZ

The only silver lining for us during COVID-19 was that we got a chance to optimize our resources in our run to cut costs — a long-pending activity. All the teams across the organization were focused on reducing the operating costs as much as possible. Similarly, DevOps teams were mainly…

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…

Anomaly detection using Isolation forest

React Native at Grofers: Using React Native components inside native views

Horizontal scrolling widget has been built in…

Community Development @ Grofers

Photo taken at a meetup we hosted. This upcoming Saturday(October 27th), we will be hosting meetups themed around Android, Python, and Kubernetes. This will be a great day to come by the office and chat with the people that built Grofers. Be sure to bring your laptop(someplace to put all the stickers.)

Show and Tell S02E01

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…

On Setting Up Our AWS VPC

TL;DR: This blog post is about the choices we made while trying to organize our infrastructure resources in AWS VPC and automating everything around it. Our Infrastructure So Far Since we signed up on AWS fairly recently, we were given a VPC by default. We used to launch EC2 instances seamlessly…

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…

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…