Software Engineering Internship at Grofers

Internships are a training ground for the professional “real world”. What exactly does the “real world” entail? How disjoint is it from what we learn at university? Am I equipped enough to step into this simulation of the…

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…

Supercharging Mobile Backend Development using ngrok & OpenResty

If you are developing mobile applications, it’s likely that you are getting data from a bunch of backend APIs. An API backend is a must if you want to develop for multiple platforms like Android, iOS, web etc While developing such API backend locally, sometimes you need…

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…

Ansible at Grofers (Part 4) — Manageable auto-scaling with Ansible

Auto-Scaling Groups (ASG) in AWS EC2 provide a really easy way to scale your services horizontally based on different kinds of alarms. It launches instances using existing AMIs baked by you for your services. While ASGs are easy to understand at a high level, they have their own challenges —…

Securing AWS Access Keys

After a Friday night party, we found out that someone had accidentally put AWS Access Keys in a public repository (thanks to AWS Security Team for reporting this). Keys didn’t have much access and were of a test environment, but this could have happened with any other key pair with…

CPU Throttling in Kubernetes: A Postmortem

Kubernetes is a crucial part of our infrastructure. We don’t just deploy applications on Kubernetes in production, but we also use it heavily for our CI/CD and developer infrastructure. While developing our CI/CD infrastructure, we dealt with a particular performance issue of our dev and CI environments taking up a…

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…

It’s a million small things that matter

I joined Grofers in July 2018 from a young startup to throw myself into a previously unexplored territory of the Indian e-commerce and to experience product management at 10x the scale I have been working at. To my delight, the last four months have been no less than a roller…

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…

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…

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…

Community Update — March 2019 (Bangalore)

Anomaly detection using Isolation forest

Personal Staging Environment for Micro-Services Architecture

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

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…

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…

Progressive Web Apps, UX and Engagement

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

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…

Ansible at Grofers (Part 1) — Introduction

About a year ago, we started setting up our infrastructure platform to make daily system operations and infrastructure maintenance easy and enable our developers in a way that they can move faster. This post is part one of a series on how we use Ansible at Grofers…

In Focus: Sancheeta Kaushal

Sancheeta is an engineering manager with the innovation team at grofers. She is an old timer who joined us way back in June 2015. Her work at grofers goes beyond her current team and you can find her organising events and forming communities in her free time. Here are some…

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…

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…

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…

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…