Anomaly detection using Isolation forest

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…

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…

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…

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…

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…

Community Update — March 2019 (Gurgaon)

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

Reducing data transfer costs with a Docker registry cache

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…

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…

5 not-so-basic basic guidelines to become a mediocre UX/UI/Product designer.

1. Don’t fall in love with your solutions. Fall in love with the problem. Reference to pop culture. Check. Nothing is written in stone. Especially your…

How We Improved Information Security at Grofers

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…

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…

Evolving Continuous Delivery in a Cloud-Native Environment

Designers, Good Designers, And Great Designers

To design is to solve a problem. And we solve problems all day long! Does that make everyone a designer? Got into a fight with your partner? Here are some possible solutions: Shout and scream until you explode Bring them flowers Whip yourself a hundred times in an act of self-flagellation Write a card Buy them a present Stop talking and hope they forget about it (my favourite), etc. Finally…

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. …

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…

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…

Exploratory Data Analysis of orders on Grofers

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…

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…

Grofers Virtual Hackday 2020

Everyone at Grofers Tech loves Hackathons because this is one day when we forget all the worries of the world and jump right into solving problems. Be it an old idea solved using a new tech or a new idea solved with just an excel prototype, this is a day…

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…

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…