Postgresql Jobs

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Hourly - Entry Level ($) - Est. Time: 1 to 3 months, 30+ hrs/week - Posted
We are looking for an Open CRX programmer, to come in and do customization in OpenCRX as per our needs. The person MUST know OpenCRX (No 'i can learn' or 'i have seen it and i think i can do') The person MUST have done CUSTOMIZATION on Open CRX for at least 200 hrs. PAUSE HERE, if you DO NOT MEET ABOVE CRITERIA DO NOT APPLY. This MUST be a 30 hr per week work.
Skills: PostgreSQL Programming Java EE
Fixed-Price - Entry Level ($) - Est. Budget: $45 - Posted
I would need to have a PostGIS version of the function described here: Source code: The PostGIS function receive a polygon or multipolygon and returns a point: FUNCTION osm.cutocean(p geometry) RETURNS geometry
Skills: PostgreSQL Programming JavaScript PostGIS
Hourly - Expert ($$$) - Est. Time: 3 to 6 months, 30+ hrs/week - Posted
Hi , I am looking a data Scientist for our mobile analytics product , please have a look at the product page Here is what we require :- 1. The candidate should have good knowledge of building software architecture , SQL , Data interpretation and reporting 2. Candidate should have of knowledge amazon redshift , postgres SQL 3. Candidate with the knowledge of business landscape of mobile Analytics preferred
Skills: PostgreSQL Programming Data Analytics Data Interpretation Data Modeling
Hourly - Intermediate ($$) - Est. Time: 1 to 3 months, 10-30 hrs/week - Posted
I am supporting an application used in a school community, for around 400 people. The interface is like a very simplified 'facebook for parents'. One of the functions is to load the 400 members from the database and allow users to search for names. It works quite well - however it can take 15- 40 seconds to load the users before search can be executed - search is then done via Javascript. It is high response time errors on Heroku. This job would be to: #1. Create a Rails script like Faker to create ~ 400 users in the test environment. Test environment only has ~ 10 users currently, not enough to reproduce performance errors. Reproduce the slow loading time for many users. #2. Implement database or Javascirpt techniques that provide search that is as effective as Facebooks.. you should be able to search members pretty much instantly instead of waiting 20 seconds etc. It may be front end techniques with Javascript you use, or backend database indexes etc. Not sure of the right approach, but it should be faster :) To try the search functionality in the app, you can sign up here in staging env: (use a fake credit card: 4111 1111 1111 1111 and expiration: 04/17 to to sign up) After signing up, go here to try the search functionality you will be improving: The current number of users ~ 10 it is fast. At 400 it is slo. I can provide access to the code, or logs. However, I don't necessarily want to do that for every bidder. So if you can suggest techniques or specific you would use for this type of Rails app with Postgres and Javascript, that will work. Winning bidder: Will be really good at Rails, front and back. I have a lot more features for this app. Some are functional and web design, others are architecture, including turning it into a multi school platform. If this story goes well, we can try other stories.
Skills: PostgreSQL Programming CSS JavaScript Ruby on Rails
Hourly - Intermediate ($$) - Est. Time: More than 6 months, 30+ hrs/week - Posted
Greetings. Looking for the tech co-founder for startup project. I myself have much exp in tech (back-end, front-end) + entrepreneurial. Need a tech person with any skills from list: - back-end (Spring Framework) - front-end (AngularJS) - UI/UX design + Deeply integrated with AWS. Currently the project already have running beta, but much ongoing work. Have an incubation contract with one tech incubator locally, they do provide much resources if needed. Physical presence in Bangkok, Thailand required / Support in relocating available.
Skills: PostgreSQL Administration Adobe Illustrator AngularJS HTML5
Hourly - Intermediate ($$) - Est. Time: Less than 1 week, 30+ hrs/week - Posted
== details == it's a bit more complex, here is the current issues / situation: - what is dockerized: rails + postgresql + elasticsearch + ssl (let encrypt) but not nginx. - we use jenkins tasks to build an docker image and deploy it on the staging server every time we see a git commit on master , and to promote the staging image to the production image manually - we use puppet standalone to setup the servers - we use free promotheus+ grafana to visualize the stats of the server + some basic alerts. === Your mission === (==> here if you want to apply to this job i ask you to give for each point/task a raw estimate about the time you need to complete the task + give comment if you think it's relevant. ) * Finishing the dockerisation for prod (ngnix, clustering psql) * Setup the 2 production ssd dedicated servers to get - zero downtime to deploy new version on production - load balancing for the 2 rails app with the clustering of the backend (psql) - make its scalability easy if I see we have a pb of performance
Skills: PostgreSQL Administration Docker Puppet Administration Ruby on Rails