Front-End Web & Mobile

Category: Learning Levels

Case Study: ProSiebenSat.1 Media SE delivers interactive TV experiences using AWS serverless solutions

Creating interactive viewing experiences during both live and prerecorded shows improves customer satisfaction. With millions of viewers casting their votes during popular singing contests or responding to opinion polls during talk shows, Seven.One Entertainment Group had to build an interactive television solution that could handle large, sudden spikes in traffic during the show. To handle […]

Case Study: Knowt builds online education app on AWS to help students and teachers

Fast-growing educational technology startup Knowt developed an app in to change the way students and teachers study and create assessments. Using a powerful algorithm and artificial intelligence, the app quickly and automatically converts notes from students and teachers into quizzes and flash cards. However, the startup eventually noticed an area in need of improvement. It […]

Case Study: State Auto cuts production time to a day using AWS AppSync and AWS Amplify

State Automobile Mutual Insurance Company (State Auto), a property and casualty insurer operating in 33 US states, provides insurance products covering personal, commercial, farm and ranch, and workers’ compensation risks. In 2019, State Auto decided to create a cloud-native version of its traditional technology stack using Amazon Web Services (AWS). State Auto sells insurance products […]

Creating serverless GraphQL APIs from RDS databases with AWS AppSync and PostGraphile

GraphQL is a query language for APIs that provides an understandable description of the data in your API, and that allows clients to ask for data in the shape that they need it. GraphQL helps developers implement applications faster, by giving developers the ability to query multiple databases, microservices, and APIs with a single GraphQL […]

How FINRA Built Xpand Reality, an Augmented Reality Simulation App for Investor Education

This is a guest blog by Sumalatha Bachu [Director, Technology] and Kumar Siddhartha [Lead Developer], Financial Industry Regulatory Authority (FINRA). FINRA is dedicated to protecting investors and safeguarding market integrity in a manner that facilitates vibrant capital markets. 2021 marked FINRA’s sixth annual internal hackathon, entitled the Createathon. The three-day event is an important part […]

Powering Travel through Geofences and Amazon Location Service

Amazon Location Service provides a cost efficient way to plug in high-quality maps and add location functionalities in applications. It empowers customers to visualize, geocode, provide navigation routing, and create geofences across locations of interest. A geofence, sometimes known as an Area of Interest (AOI), is simply a polygon boundary representing an existing or custom-defined space, which […]

Build a Serverless Full-Stack Registration App in minutes using AWS Amplify

Customers often ask developers to design and create a web application form that captures the registration for some events or training that they want to host. AWS Amplify solves this problem by creating the required resources and generating the boilerplate integration code for different layers using serverless technologies. Now, developers can focus on developing the […]

How to connect your GraphQL API to AWS data sources

What’s a resolver? A GraphQL Resolver is a function or method that resolves a value for a type or field within a schema. A resolver is the key architectural component that connects GraphQL fields, graph edges, queries, mutations, and subscriptions to their respective data sources and microservices. In this post, we’ll focus on how to build […]

Client A inserted data into the AWS AppSync endpoint in Ireland. This data was in turn inserted into Amazon DynamoDB, which replicated the data to Sydney. In Sydney, Amazon DynamoDB streams trigger AWS Lambda functions which notify the AWS AppSync endpoint to the new data. Client C receives the new data via its subscription

Multi Region Deployment of AWS AppSync with Amazon DynamoDB Global Tables

As organizations grow, they often need to serve geographically dispersed users with low latency, prompting them to have a distributed global infrastructure in the cloud. By leveraging the AWS Global Network to deploy applications into multiple AWS Regions, organizations can allow their users to connect to an API endpoint in the Region with the lowest […]

Evolving REST APIs with GraphQL using AWS AppSync Direct Lambda Resolvers

AWS AppSync is a managed GraphQL service that makes it easy to connect disparate data sources into a single cohesive API. GraphQL APIs start with the definition of a schema that defines the data types and queries for accessing them. Data Sources are the backend services that the API will use to fulfill requests. Finally, […]