Database Design Jobs

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Hourly - Intermediate ($$) - Est. Time: Less than 1 month, 30+ hrs/week - Posted
We would like to build a hybrid application that works simultaneously on web, mobile web, and mobile app. Some of the functionalities includes: - User signup, sign-in, database management - Automatic generating QR Code for each user - QR code reader - Mobile Geolocation - Push Notifications - Algorithm/data analytic based on geolocation, time, gender, etc - Unique affiliate link generator with plugins to share through social medias For those who are in Ho Chi Minh City (Vietnam), we could schedule a meetup over coffee from 23rd May onwards to further discuss about the project.
Skills: Database design Affiliate Marketing Algorithms Android App Development
Hourly - Entry Level ($) - Est. Time: 3 to 6 months, Less than 10 hrs/week - Posted
Hello, This is a long term ongoing project. We are looking for someone that is a SQL database expert as well as has expierice working with the Amazon MWS API for data pulls as well as can develop scrapping tools to pull various pieces of data from the front end of the Amazon site. We have developed our own reporting dashboard that provides us inventory reporting, sales/marketing metrics, campaign managment metrics, etc... This system has been build out in Google Drive for data storage and then our reporting dashboards are using Klipfolio. The first part of this project would be automating all of the data pulls, as we presently have staff that is responsible for this. The initial phase of the project will entail: - Migrtating all reporting systems over to a SQL database - Integrating with Amazon MWS API to automate Data pulls - Develop scrap tools to compile various market data - Develop real-time reporting dashboards After the initial phase of the project is complete, we will want to: - Build interfaces that will handle business processes and integrate into the database - Develop scripts to automate various processes We are open to structuring this project as an ongoing or on a project by project basis.
Skills: Database design Amazon MWS SQL
Hourly - Entry Level ($) - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
i need an emergency development of the movie ticket booking database development in one day. your design can accommodate all requirements and ask your self-questions to make sure that you cover all situations like: How many locations are you serving? Is there different prices for students, seniors..etc? How do you count the attendances from each of the ticket groups? How do you count the seats for kids below 3 years old? What type of reporting is required weekly? And other questions you can think off.
Skills: Database design Data Modeling
Hourly - Expert ($$$) - Est. Time: 3 to 6 months, Less than 10 hrs/week - Posted
We are looking for an experienced web developer who has extensive experiences using Laravel with MySQL for backend API and Vue.js for client frontend. We are developing cutting edge software with a focus great UX. Must be able to use GIT to work on team. Also have knowledge in HTML, CSS, PHP, Scrum and dealing with large complex datasets and algorithms.
Skills: Database design User interface design User Experience Design
Hourly - Intermediate ($$) - Est. Time: 3 to 6 months, 10-30 hrs/week - Posted
Knowledge: * Deep understanding of MySQL / SQL * Deep understanding of how database internals work vExperience with Amazon's AWS and/or similar alternatives, it would be great if the DBA could advise us * Preferably extensive experience with making databases run more efficient. Some of his tasks might be: * Manage our DB system, currently 6 million records but this is likely to be 100s of millions of records soon * Currently we get our data from third-party-vendors, sometimes this data is incorrect or incomplete. - This results in a non-working web-platform. The issue is that it could be an issue in our platform or in the data we load into the system. Currently it takes us to much time to analyse data so we need somebody who can help us with this. - We need somebody to write proper queries to see if data is incorrect/incomplete and discusses issues with the development department. Next we can work towards a solution together with him/her * Since our database is growing (too) fast we need advise and changing the implementation on the way our current database is build and structured * We're like to move to Amazon's AWS or a simlair alternative, the DBA will have an important part in advising us and migrating the databases. Duration We see this as an ongoing job for about 10 to 25 hours a week for the upcoming 3 to 6 months and maybe even for the upcoming year. We need a senior Database Architect and Manager with as much experience as possible to do this job. Are you the right person for this job? Please reply with a simple, non templated, message and state: * 3 Previous projects you did similair to this assigment * 1 short paragraph about yourself and your background * 1 short paragraph about why we should hire you Many thanks in advance kind regards Jerry
Skills: Database design Database Administration database management Database Modeling
Hourly - Expert ($$$) - Est. Time: Less than 1 month, 10-30 hrs/week - Posted
Looking for an hourly consulting to discuss NoSQL data models for several Firebase Projects. I come from a SQL background, but am migrating many projects to NoSQL and need an expert database consultant to advise on proper data structure. I am using Firebase for these projects, so you MUST be experienced with this. Consulting will take place over skype and I will provide screen sharing to walk through my data models. Please provide examples of projects you have worked on previously. I am NOT looking for app development, only data structure consultation work.
Skills: Database design Data Modeling NoSQL
Hourly - Expert ($$$) - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
Hello, We're currently experiencing some issues with our database being inefficient and possibly corrupting. I'm unsure if it's on the web hosts side or ours, but I know it needs to be sorted out. What I'm looking for is someone to analyze the database and then propose changes to make. I'm going to dump some information to help anyone who applies with some context. The web host is saying that the following is why our database is crashing: 2016-04-28 07:02:17 7ff57b5fe700 InnoDB: Recalculation of persistent statistics requested for table "getmetri_metrincom"."cache_form" but the required persistent statistics storage is not present or is corrupted. Using transient stats instead. 2016-04-28 07:02:23 7ff57b5fe700 InnoDB: Error: Table "mysql"."innodb_table_stats" not found. 2016-04-28 07:02:23 7ff57b5fe700 InnoDB: Recalculation of persistent statistics requested for table "getmetri_metrincom"."sbp_path" but the required persistent statistics storage is not present or is corrupted. Using transient stats instead. Additionally: I noticed that there are some records regarding memory exhaust of your server: Code: [1413138.644058] httpd invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0 [1413138.645347] [<ffffffff8112add2>] ? oom_kill_process+0x82/0x2a0 [1413138.662487] [ pid ] uid tgid total_vm rss cpu oom_adj oom_score_adj name I also found recent records regarding slow MySQL queries: Code: 9. Executed 1h 52m 32s ago for 375.042983 sec on Database --> Unknown (NOT FOUND / DELETED) Date: 2016-04-27 19:58:04 Query_time: 375.042983 Rows_examined: 0: Rows_sent 0 Lock_time: 0.000000 # Schema: getmetri_metrincom Last_errno: 1160 Killed: 0 SELECT cid, data, created, expire, serialized FROM cache_rules WHERE cid IN ('rules_event_whitelist'); -------------------------------------------------------------------------------------------------- 10. Executed 1h 52m 32s ago for 375.037469 sec on Database --> Unknown (NOT FOUND / DELETED) Date: 2016-04-27 19:58:04 Query_time: 375.037469 Rows_examined: 0: Rows_sent 0 Lock_time: 0.000000 # Schema: getmetri_metrincom Last_errno: 1160 Killed: 0 SELECT cid, data, created, expire, serialized FROM cache_rules WHERE cid IN ('rules_event_whitelist'); === Top 5 Largest Tables in getmetri_metrincom == Table name Size -------------------------------------- -------- watchdog 288.0 MB cache 126.6 MB advancedqueue 116.1 MB commerce_order 102.0 MB commerce_order_revision 84.0 MB -------------------------------------------------
Skills: Database design MySQL Programming SQL
Hourly - Intermediate ($$) - Est. Time: Less than 1 month, Less than 10 hrs/week - Posted
The project is to develop software to catalogue an extensive collection of books. The input to the program will be a barcode scanner or a webcam with barcode recognition. It's acceptable to leverage off another SDK for the barcode scanning. After the data is input the database will record details of each of the books - the details of the books will be accessed from a book database of your choosing. Bytescout have an SDK for barcode reading by web camera. Inititally the proof of concept will be on PC and can expand to a Windows Mobile 10 application.
Skills: Database design Internet research