Scalable Website Backend

We have an app that collects data from a users body. Some data has 10 readings per second while other have only one reading every 10 or 30 seconds. There are approximately 15 values being measured during a test. Each test can last from 10 seconds to hours of data being collected.

There is also data about each user such as their weight, height, body type, medical conditions etc..

Additionally each session will have information about their state such as activity level, stress level, energy level.

The information will be sent from our app to our server. You need to also create an api or have one created to receive information from the phone and send to the phone app if necessary as well as for their login and password.

We are expecting a lot of users so we want to start with an architecture designed for high volume. Additionally we want to analyze all of the data in many ways in individual accounts as well as across all accounts to find useful patterns.

The main part of this project is to:

1) Create the user interface

2) Allow people to see a list of each of their sessions

3) Click within each session to explore the data. There will be about 6 graphs and other data related to their session.

I'm thinking of something like Hadoop or Cassandra will be the best but I'm open to suggestions. Something that will scale with us as our userbase and data increases.

Compétences : Cassandra, Elasticsearch , Hadoop, Map Reduce, Scala

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Concernant l'employeur :
( 109 commentaires ) Thiensville, United States

Nº du projet : #16730917

Décerné à:


Hello Seems to be an interesting project. Can we talk more details on it? Thanks

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6 freelances font une offre moyenne de 1114 $ pour ce travail


Hi, I have experience building big data systems using the Hadoop ecosystem including ingesting data into a data warehouse/lake, performing analyses in batch/streaming as required, and integrating with external syste Plus

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Hi, I have more than 4+years of experience in hadoop technologies like HDFS, MapReduce, Spark, Scala, Sqoop, Hive etc. I have worked on AWS(EMR) and Azure(HDInsight) services as well. I can complete this project C Plus

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Honorable Seniors. How are you? I have experience 7+ years in developing .NET, Laravel, node.js, angular.js, react.js and Python Frameworks. Additionally, I have experience in Android and iPhone. I will work for you Plus

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We are a team of experts with more than 8 years of experience in software architecture that includes backend and frontend development. FullStack: JAVA, Python, Golang, JavaScript, Java, R, Hadoop, Kafka WebApp Serve Plus

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We are a Team of Data Scientists having healthy experience into Big Data technologies like Scala/Spark/Akka, Hadoop,MapReduce and Data Analytics like R,HBase etc. The Team has qualified engineers having expertise in Plus

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