Interested in Working at Popsa? These Are the Tools We’re Using in 2023

Here's an overview of our technology stack and links to some case-studies, for example "how we optimised our API to reduce network overhead by 70% using Protocol Buffers".

Stacks

• Frontend Web

• Backend

• DevOps

• Product Design

• Data Science

• Android

• iOS

Frontend Web

Language, Framework and Tools

• Cypress

• ESLint/Stylelint

• Grommet

• Jest

• Next.JS

• Protobuf

• React.JS

• ReactQuery

• Storybook

• Styled Components

• TensorFlow

• Typescript

• Zustand

3rd Party Services

• BrowserStack

• Chromatic

• Google Tag Manager & Analytics

• Lokalise

• Mixpanel

• PayPal/Braintree

• Percy

• Pusher.JS

• Sentry

• Stripe

• Vercel

Backend

Languages

• Go

AWS Technologies

• Batch

• DynamoDB

• EKS

• Lambda

• S3

• SQS

• Step Functions

• (And many more...)

3rd Party Tools

• Docker

• GitHub Actions

• Grafana

• Jaeger

• Kubernetes

• Loki

• Prometheus

• Protocol Buffers

• Serverless framework

• Stripe

• Terraform

Product Design

Tools

• Figma

Data Science

Languages

• Python

• SQL

Technologies

• Flask

• Jupyter

• Matplotlib

• Numpy

• Pandas

• Scikit-learn

• Scipy

• Tensorflow 2 + tf.keras

• XGBoost

AWS Services

• Athena

• AWS Batch

• EC2

• EC2 Spot

• ECR

• RDS (PostgreSQL)

• S3

• Sagemaker Ground Truth (see how we're reducing the cost of data labelling)

 Infrastructure

• Docker

• GitHub Actions

• Protocol Buffers

• Terraform

Android

 Languages

• Kotlin

• Java (legacy only)

Google Technologies

• Google Vision

• Jetpack Compose

• MLKit

• Architecture components (LiveData, ViewModel)

• Firebase: Messaging, A|B Testing, ML

• Google Pay

• Material Design

• Testing Frameworks: JUnit, MockK, Mockito / DaggerMock

• WorkManager

3rd Party Tools / Dependencies

• Dagger 2

• Exoplayer

• Glide

• okhttp / Retrofit

• OpenCV

• PayPal / Braintree

• Protobuf

• Realm

• RxJava

• Stripe

• Tensorflow Lite

• Unity

iOS

 Languages & Architecture

• Swift

• MVVM + Coordinators

Apple Technologies

• Accelerate

• Apple Pay

• AVKit

• Combine

• Compositional Layouts

• CoreAnimation

• CoreData

• CoreGraphics

• CoreImage

• CoreML

• Diffable DataSource

• Grand Central Dispatch

• Metal

• Operations

• PassKit

• Photos

• Swift Package Manager

• UIKit

• UserNotifications

• Vision

• XCTest

• Xcode Cloud

 3rd Party Tools / Dependencies

• Nuke

• Protocol Buffers

• Pusher

• Stripe

• SwiftLint

• SwiftProtobuf

DevOps

• Bitrise

• Fastlane

• GitHub Actions

• Grafana

• Jaeger

• LINKERD

• Loki

• Mixpanel

• Prometheus

• Sentry