Backend

APIs, microservices, databases, queues and server-side architecture.

888 stories

Hidden in plain sight: Why your data is lying to you
Hasura

This last-mile perspective transforms anomaly detection from a data quality tool into a strategic business capability. So, instead of just catching errors, it becomes a tool for validating the business's narrative across all data domains

Virtual Machine Provisioning and Management in PhonePe
PhonePe

This blog post provides a high-level overview of PPeC (PhonePe Cloud) Agent’s architecture, its interaction with other key components like the PPeC API and PPeC Proxy, and how it optimizes tasks such as VM creation, resource allocation, and dynamic disk management. Evolution and…

Unlock AKS Potential: Master Control Plane and Node Pools
Myntra

Introduction In this guide, we’ll explore the intricacies of configuring Azure Kubernetes Service (AKS) for optimal performance and scalability. As a fully managed container orchestration service by Microsoft Azure, AKS simplifies deploying, managing, and scaling containerized…

Good Alerts
Slice

This is written by Sarthak – Staff engineer, BankingThis write up summarizes some Opinions™️ that I have around good alerts, particularly in the context of infrastructure and platforms. The advice in here doesn’t represent universal truths, merely my experience over being…

slice-engineering.medium.com
Fact Evaluation in Millions: Scalable Rule Executor Service
Myntra

Overview The Rule Executor Service at Myntra stands out as a pivotal tool in the domain of rule engine. While, at a glance, one might wonder what sets it apart from the myriad of rule engines available today, the difference is profound. In Myntra ecosystem, supporting numerous…

GraphQL vs. OpenAPI: Pros and cons for data governance
Hasura

GraphQL and OpenAPI define agreements between data consumers and providers, but they have significant differences in capabilities and contract specifications. Whichever you use, it's essential to be intentional, understand your use case, and design for the best outcome.

Introducing the PhonePe App Platform
PhonePe

Intro PhonePe’s apps have over 560m registered users, and are built by 250+ mobile engineers. The company ships 7 different apps (10, if you count Android and iOS separately). Operating at this scale, it’s been necessary to invest in and build a solid app platform. This blog…

Introducing Python functions on Hasura DDN
Hasura

With the support of Python functions on Hasura DDN, you can focus on writing sync or async functions that return some data. Hasura will do the code introspection and generate all the configurations needed for a production-ready GraphQL API.

How Urban Company leverages Causal Inference to power Data-Driven decisions
Urban Company

By — Kshitiz Swaroop ( Data Scientist, Data) In a world overflowing with data, finding correlations is easy. The real challenge is understanding causality. This article presents 2 case studies where the methodology was used to improve the organization wide estimates on the…

Build and evolve your APIs on MongoDB data
Hasura

Discover what goes into a good GraphQL API for MongoDB, what it takes to build and maintain one, and how Hasura’s new framework allows developers to kickstart new projects and scale existing projects rapidly.

Demystifying TStore: The Backbone of Billions of Transactions at PhonePe – Chapter 2
PhonePe

Chapter 2 : A Deeper Dive In chapter 1, we explored TStore’s functionalities like high-velocity ingestion, efficient reads, and flexible querying, its core concepts like Entities, Units, and Views and finally components like the Client Bundle, Schema Registry, Entity Ingestor…

Nimbus: Flexible BareMetal Provisioning
PhonePe

As PhonePe continues to grow rapidly, the scale and reliability of our infrastructure becomes more important. By developing our own infrastructure, we’re able to adapt quickly while keeping our services reliable. In order to meet our deployment needs, we use specialized in-house…

GraphQL is dead!
Hasura

GraphQL may have crested the Peak of Inflated Expectations since, but it's reached a broad flat plateau where the weather is mild and the terrain is gentle. There have been laudable successes and no overt failures. Needs were met, products were created, wars were fought, and…

Building the Pincode Android App on Jetpack Compose: A Journey
PhonePe

This blog narrates our team’s journey with Compose, detailing its inception at PhonePe, its adoption by the Pincode team, our experiences, and the challenges we faced. The Pincode Android app UI is built using Jetpack Compose. As of July 2024, the app has over 2.5 million…

Improving load time of a Production React App
Urban Company

🎤 10x Engineering Tech Talks This talk by Kanav Arora will draw on our learnings from the efforts that we undertook earlier this year to improve Urban Company’s website performance, resulting in a 60% reduction in load time. All the efforts towards performance engineering can…

Data Privacy & Security — Detecting & Encrypting PII
Urban Company

Data Privacy & Security — Detecting & Encrypting PII 🎤 10x Engineering Tech Talks Ever wondered why PII encryption is crucial or how to effectively detect PII in your databases? In this insightful talk, Jatin Gupta (Tech Lead, Infra & Security) delves into the importance of PII…

Modern Data Analytics | Data Democratization: From Silos to Standardization
Urban Company

🎤 10x Engineering Tech Talks Can traditional data management handle modern analytics? In this insightful talk, Abhishek Pathania (Tech Lead, Data Platform) explores the challenges Urban Company faced as their data needs expanded. He highlights the need for a robust,…

Instant GraphQL APIs on SQLite with Turso
Hasura

If you’ve ever found yourself wishing you could use Hasura-flavored GraphQL with your SQLite database, you’re in luck because today we are excited to announce the release of the Hasura Turso connector.

Future-Proof Your AKS Cluster with Strategic IP Address Planning
Myntra

Scaling Kubernetes efficiently is an art that blends strategic planning with technical expertise. In Azure Kubernetes Service (AKS), mastering the allocation of IP addresses is crucial for ensuring seamless scalability and optimal performance. When configuring an AKS cluster…

Managing Elasticsearch at scale at PhonePe – Part 3
PhonePe

In this article, we will discuss the optimizations we did to reduce the footprints of our Elasticsearch. We optimized write throughput and reduced disk storage by leveraging query patterns and tuning indexing and doc_values for fields in elastic search.

Announcing local development support for Hasura DDN
Hasura

With local development support in Hasura DDN developer tooling, you can now easily build a complete supergraph, and run connectors and the engine on your local machine. This allows you to iterate quickly with hot reload support and build with no limits.