A silent deadlock in our query engine was stalling inventory replenishment jobs with no error, no crash — just infinite waiting. This is the story of how we found it, traced it to an open-source bug, and fixed it upstream. TL;DR Trino’s Hudi connector used a single thread pool for both producing file splits and signalling when there was room…
Blinkit
https://lambda.blinkit.com/ · 10 posts · history since 2022 · active
29 May
26 Jun 2025
How Blinkit Cracked Android's Performance Puzzle with Droid Dex Adaptive real-time performance tuning — fewer ANRs, smoother UX, and smarter device-specific optimization Picture this: Your app runs buttery-smooth on Pixel 7 Pro while throwing ANRs on a Redmi Note 4. Users on a Fold 6 have to experience the same janky transitions as those on a ₹6,000 device. Sounds familiar?…
22 May 2023
Leveraging IoT to deliver printouts to your doorstep Setting up our Printout Delivery Store has been highly satisfying. At one end is the joy of customers discovering an easy, home-delivered solution for last-minute printouts. But even more enjoyable is the knowledge that we created a nationwide service with only a Raspberry Pi and a seamless print flow that effectively harnesses…
16 Mar 2023
A conversation with engineers who help run Blinkit Chinthakunta Sumanth Kumar Reddy is an SDE 3 at Blinkit. He joined us in March 2021 and has since helped us build a resilient application platform at Blinkit. He currently works as a part of Software Resilience Engineering (SRE)–enabling scalable database migrations for Blinkit’s applications. Tell us about your background and your…
7 Mar 2023
Make your reports faster: A beginner’s guide to Tableau Optimisation In today’s world, given the pace at which data operates, we need a tool that can help us to generate reports faster and bring out insights within milliseconds. In order to solve this challenge, several companies have started utilising a few Business Intelligence (BI) tools such as Tableau/Power BI/Superset/Looker/Qlikview, etc.…
23 Feb 2023
A conversation with engineers who help run Blinkit Jay Dihenkar is a Staff Engineer at Blinkit. He joined us in December 2020 and has helped different teams manage and streamline their build and release processes. He is currently working towards continuously improving the reliability, scalability, observability, developer productivity, and other such aspects of a software system critical for ensuring that…
22 Dec 2022
Image Credits: Kumkum Jain Rukmini Bhattacharya (sometimes mispronounced as Ruk-Money) has been with Zomato since 2018 and with Blinkit since August 2022. She currently works as the City CEO of Bengaluru and heads growth. Here she recollects her journey transition from Zomato and fostering new experiences working with Blinkit. She also sheds light on her learnings working with a tech-first…
1 Dec 2022
Image Credits: Kumkum Jain Drishti (she/her/hers) works as a Software Developer Engineer (SDE) at Blinkit . She joined us about six months ago and is now a part of the tech team within the Product Listing and Search pod. She’s always had the inclination to work at scale while making an impact and shipping a customer-first experience. In this post,…
22 Nov 2022
Nihal and his friends at HackaNoodle 2022 What do you say when someone asks you why are you participating in a Hackathon? Saying that you’ve come to a hackathon for (free) food is not the ideal response, and more so to a CEO. It was a Saturday morning, and I was in the Blinkit headquarters for a hackathon. Our team…
17 Nov 2022
Ketakii Patni (she/her/hers) works as Senior Executive at Blinkit . She joined us 9 months ago and has played a key role in Consumer Search Content ever since. Ketakii was interested in the marketing and operational aspects of a business, which led her to pursue an MBA in the same field. In this post, Ketakii walks through her journey of…