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…

React Native — The Sinner and the Saint

Design by Asif Jamal There’s been a lot of talk around React Native lately which discuss about its pros and cons and compare it with other cross-platform app frameworks like Flutter. Sadly, most of the blogs we see published today are centered around some or the other demo RN app being built from scratch. …

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…

How COVID-19 pushed us to reduce our AWS cost by half

We have been extremely focused on growth before COVID started. AWS is central to how we ship fast that helps fuel that growth. Some of our early mistakes resulted in wastage resulting in high costs over time. COVID-19 pushed us to bring more efficiency in our business operations to provide…

The birth— Initial Project Setup

Photo by Greg Rosenke on Unsplash This is the second blog of the full Grofers RN blog series. Through this series Grofers attempts to share its journey in integrating React Native into…

Transform your Automation Suite Into a Testing Product — Part 1

When we talk about the test product that is owned and managed by the testing team, what comes to your mind immediately. Is it a test suite, test management tool, or any defect tracking tool? I guess the most obvious one that comes to your mind is the test suite…

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.)

Get Your Product The Attention It Deserves

Design by Asif Jamal It’s Christmas time. You’re walking down that crowded market street. After having saved money for a long time, you’re now hunting for presents for your loved ones. You have narrowed down your idea of a gift and have decided to get them the best sweaters in town. Your friend tells you of a…

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 (Bangalore)

Show and Tell S02E01

Personal Staging Environment for Micro-Services Architecture

Grofers has been following micro-services architecture for a while now. While there are plenty of advantages…

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…

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…

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…

Postmortem: Outage due to Elasticsearch’s flexibility and our carelessness

On November 25 at 4:30 AM, our consumer apps stopped working because of some issue with our backend API. This article is a postmortem of what happened that night. Some Background Our product search and navigation is served from Elasticsearch. We create daily index of products, related merchant data…

Hoomans, emotions, products and other crises.

Wait, back up! Let’s take…

How To Decide The Success Metrics For Your Product

Design by Asif Jamal I have repeatedly made this mistake of looking at the wrong metrics for the new products that we released. The realization of these mistakes made me seek mentoring from some of the accomplished product folks. I wish I had reached out for their mentoring even earlier to grow faster. Young…

How DevOps Is Making Managers Redundant And Why That’s a Good Thing

A guide to scaling tech organizations without adding too many people or processes. I head product and engineering for Grofers, the largest online grocer in India. Grofers has grown by over 11x — from $60MM in GMV to nearly $700MM — in the last 24 months. A big part of this success has been the ability of our team to go from idea…

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…

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…

Origins of Data Lake at Grofers

Design by Asif Jamal The Beginning As Data Engineers at the biggest online grocery company in India, one of our major challenges is to democratize data across the organization. But, when we began evaluating how well we were doing on this goal, we realized that frequent errors in our data pipelines had caused our business teams…

Is your MVP slowing you down?

Over time, the term Minimum Viable Product (MVP) has started meaning different things to different people. Before I proceed to put my point across, it will be helpful to…

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…

Making Grocery Shopping Faster on Web

We released Grofers’ web platform about two months back. This post describes a few performance improvements that we have achieved in recent times. Background To bring about more user engagement and open the most straightforward user acquisition channel, we released our web platform to make it possible for…