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Cristian Lozano

golang/python/django/machine learning/backend developer

$34.72/hr

Quibdo, Colombia

Overview

Great passion for the computer and algos, I define myself as a back-end developer with high math skills, always concerned for the efficiency and correct utilization of the limited resources. My programmer skills cover a wide range of needs, scientific and engineering applications, multi platform (linux,windows , mac) desktop solutions and the creation of modern and responsive web pages and cloud services. backend skills (mainly) =========================== Python C Go lang java node js socket.io concurrent programing couchdb, mongodb, redis, NeoJS. linux amazon aws math skills (second) =========================== Matlab wolfram mathematica scipy, numpy Calculus Differential equations Optimization (linear and nonlinear) finance skills ========================== derivatives, bonds, bitcoins, speculation Frontend skills ====================== angular JS jQuey basic css (twitter bootstrap) mobile skills ========================== Android

Work History and Feedback

  • Oct 2013 - Sep 2015

    Django & JS Developer for long term project

    No feedback given

    437 hours
    $22.22 / hr
    $9,065.78 earned

  • Nov 2014 - Aug 2015

    Create browser-based front end for postgreS database

    No feedback given

    107 hours
    $33.33 / hr
    $3,577.42 earned

  • Apr 2012 - Apr 2015

    Python Script and Linux Instance Developer
    5.00
    Thank you for the great work.
    233 hours
    $22.22 / hr
    $3,930.27 earned

  • Jan 2015

    URGENT - Experienced Python Developer needed to solve problem now

    No feedback given

    2 hours
    $33.33 / hr
    $50.00 earned

  • May 2013 - Oct 2013

    Small node.js Service for a Travel Website

    No feedback given

    127 hours
    $22.22 / hr
    $2,596.04 earned

  • Feb 2012 - Apr 2013

    HTML/XML/XBRL to Excel conversion

    No feedback given

    $3,444.47 earned
    Fixed Price

  • View More (4)

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Tests

Name Score (out of 5) Time to Complete
Python Programming Skills Test (Hands-on programming skills) 4.45 Top 30% 11 mins
Django Test 3.40 Above Average 24 mins
Python Test 3.70 Top 30% 40 mins
Node.js Test 3.45 Above Average 18 mins
Javascript Test 4.20 Top 20% 51 mins
HTML5 Test 4.75 Top 10% 30 mins
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Work History

90% Job Success
3,684 hours worked
30 jobs

Availability

Available
More than 30 hrs/week
24 hrs response time

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