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  1. Drew Ulmer

    Drew Ulmer Agency Contractor

    [Upwork Top 5 Percent] Professional Rails Developer

    United States - Last active: 03/20/2014 - Tests: 4 - Portfolio: 6

    When you hire me, you're hiring a top 5% Upworker with multiple successful projects and universally happy clients. I am an expert Ruby and Rails developer with more than 6 years of successful projects with Ruby on Rails versions 2.3 through 4.x. I enjoy working on everything from ecommerce to line of business applications and I specialize in identifying and fixing security issues. I can occasionally be found on the #rubyonrails freenode IRC channel and my github can be found under the username latortuga. I have contributions to major open source projects including Ruby on Rails, Devise, ActiveAdmin, cache_digests, warden, spree, and zeus. I am generally interested in Ruby or Rails development proposals, provided they include information about the actual project and not merely a list of skills.

    Groups: Twilio

    Associated with: Unabridged Software

    $150.00 /hr
    1,096 hours
    4.98
  2. Nicholas K.

    Nicholas K. Agency Contractor

    Web Developer

    United States - Last active: 07/15/2013 - Tests: 3 - Portfolio: 4

    I am a 26 year old web developer from southern California. My primary languages are PHP, JavaScript, and SQL. My preferred framework is Codeigniter with jQuery on the front-end, but I am open to using almost anything. After graduating with a degree in Finance, I got started developing in VBA for an equity investment management in Newport Beach. I have recently moved into full-time freelance work. I am passionate about creating quality work and believe the first step in creating quality is clear communication.

    Groups: Twilio

    Associated with: Frozen Node Agency

    $77.78 /hr
    96 hours
    4.90
  3. Harshal Choksi

    Harshal Choksi Agency Contractor

    Harshal Choksi

    India - Last active: 1 day ago - Tests: 3 - Portfolio: 4

    I am Harshal Choksi having a good exposure in IT industries with 11 years of experience. During my career, I have developed many application in Asterisk, VoIP, Telephony, PHP development, WebRTC etc. I am also having very good capability of execution of project using Scrum Agile methodologies as well to execute the project in better way with excellent quality and on time delivery. I am also PRINCE2 Certified. I have a record of solving business problems with high quality business and technology solutions. I can Work under pressure, Interested in learn new ways and tools of job, responsible, I made all the project with a proper plan, always oriented to success, persistent, organized, respectful, capable to work and solve problems alone or with a team, friendly and proactive. My priority is to deliver high quality software, offer world class support and meet all deadlines. My area of interest is aslo to develop a various kind of application which utilize my skills. I am seeking freelance work from creative and free-thinking clients/companies with innovative ideas and approaches that contribute to my professional growth. I have developed various applications with Communication model such as WebRTC as well as Asterisk/VoIP applications based architecture along with PHP as a open source. Bring in any challenges and i'm ready with a solution.

    Groups: Twilio

    Associated with: Samcom Technologies

    $33.33 /hr
    2,529 hours
    4.65
  4. mohammad kamruzzaman

    mohammad kamruzzaman Agency Contractor

    Full stack web developer and VoIP Engineer, FreeSWITCH, ASTPP,Kamailio

    Bangladesh - Last active: 1 day ago - Tests: 1 - Portfolio: 2

    i am a full stack web developer and server administrator (FreeSWITCH) i have experiences on Django (python), Codeigniter (php), MongoDB, ElasticSearch, postgres, redis, rabbitMQ, celery, mysql, nodejs. you can hire me if you need to implement a distributed VoIP enabled service based on freeswitch/kamailio that is ready to scale. i am also doing newfies-dialer customization and maintenance for a long while. and also i will take projects like PBX, IVR, autodialer development. i have open source project customization experiences, for example, FusionPBX,Newifes-dialer,Astpp,vBilling,kazoo, Kannel

    Groups: Twilio

    Associated with: DT software house, NGS

    $40.00 /hr
    2,529 hours
    4.57
  5. Vishak Nair

    Vishak Nair Agency Contractor

    Full Stack Developer and Twilio Expert

    India - Last active: 29 days ago - Tests: 8 - Portfolio: 1

    Full stack programmer/architect LAMP stack experience 6 years+ MEAN Stack Experience 1.5 years Tech Exp ------------------ Node.js, MongoDb, Angular.js, Express.js, PostgreSql, MySQL, PHP, JavaScript, Knockout.js, SharePoint 2010, HMVC, custom MVC Platforms & APIs -------------------------- Twilio, SalesForce, GitHub, Heroku, AWS, MongoLab, BaseCamp, cPanel, WHM, Asana, PayPal, FastSpring, Authorize.net, etc. Twilio Exp ---------------- Functionality developed on custom applications pertaining to Twilio, * Call Handling/Forwarding * Automated Call/Sms scheduling (inbound and outbound) * Dynamic IVR setup from custom backed * Real time deployment of custom IVRs frm backend and link with twilio apps * SMS handling/keyword-workflow based automated replies/parsing * Call recording/transcribing * Load balancing and Call Queuing * Grouping numbers dynamically and allocating them to applications *Buy/Release/Group numbers automatically via scripts on necessary triggers *Integration with any CRM with API access

    Groups: Twilio

    Associated with: HTTP Consulting

    $55.00 /hr
    565 hours
    4.80
  6. Sarim Ghani

    Sarim Ghani Agency Contractor

    .Net, C#, SQL, MYOB, Twilio, PHP, ASP.NET, CodeIgniter

    Pakistan - Last active: 1 month ago - Tests: 4 - Portfolio: 9

    IT Project Management Professional charged with leading and managing the medium to high complexity software development projects in off-shore and in-house scenarios. Have thorough skills in Managing as well as design, development and implementation of large scale software projects. 1 Over 6+ years of experience in Project Leadership/Management, specifically managing multiple development teams and coordinating with numerous stockholders involved in number of projects. 2 Over 5+ years of experience with ETL tools such as SQL Server (DTS) 3 Over 4+ years of hands-on experience in modeling, designing, tuning and leveraging large databases. 4 Over 1+ year of experience in data warehousing especially designing star schemas, dimensional modeling, and cubical analysis 5 Over 6+ months experience in Mobile Application Development focused on HTML5, Android, windows Mobile and PhoneGap.

    Groups: Microsoft Certified Professionals, Twilio

    Associated with: iSplendid

    $35.00 /hr
    289 hours
    4.92
  7. Debasis B.

    Debasis B. Agency Contractor

    Critical Salesforce Automation & Customization, VoIP,Asterisk,Php,FM

    India - Last active: 5 days ago - Tests: 4 - Portfolio: 13

    Highly experienced expert designer and coder for new product development in Salesforce Apex and VisualForce, Force.com sites, VoIP, IVRs, SMS, Php-MySQL, Drupal, Netsuite, OpenERP, Amazon AWS, Amazon DynamoDB, Filemaker Pro and Cloud computing technologies. Creative problem solving ability for your complex apex, visualforce and siteforce requirements, who can elevate your organizations high-tech capability to the next level. Widely travelled in many countries including USA, Australia, UK, Europe, Asia Pacific countries on project implementations and thoroughly understand your global project outlook requirements. Have more than 17 years of commercial product development experience as Freelance Coder and remote development manager. Extensive experience in wide range of new commercial custom product development from inception primarily in VoIP, IVRs, SMS, mobile, Cloud ERP, Banking, B2B and B2C related sectors for diversed organizations situated in more than 10 countries. Lead complete IT development of US, UK and Australian companies. In-depth knowledge in Asterisk, Red5, C, C++, Php - MySQL, Perl, SIP, H.323, streaming video, premium IVRS and SMS applications, SalesForce and Force.com technologies, Apex coding, VisualForce, Netsuite cloud ERP, Drupal, FileMaker Pro 11, FileMaker Php, Quickbooks integration, AutoIT, Amazon EC2 based solutions, Ajax, jQuery & jQueryUI. My core competency lies in production level product development as top designer / programmer / developer from inception, and here I am seeking further such opportunities to design and develop professional, stable, bug-free products for your business.

    Groups: BoonEx, salesforce.com...

    Associated with: CloudLogics Agency

    $35.00 /hr
    5,778 hours
    5.00
  8. Zak Kinion

    Zak Kinion

    Web Developer PHP jQuery Mysql and Python programmer

    United States - Last active: 1 month ago - Tests: 6 - Portfolio: 6

    I have 14 years experience in Web Development, and have built data driven sites for my own business needs as well as completed work for others. My origins are self taught, arising from my own needs during my first business while I was still in college. I am very good at PHP/MySQL or MS-SQL and have worked in both large and small companies ranging from simple quick fixes to complex applications. . I have built not only ajax client pages in javascript/jquery, but also backend, data driven servers in PHP. I am also good with wordpress and wordpress plugins and have extensive experience with them in the past. I know jquery and sass/compass as well. My main focus now is on mobile and I can make responsive websites (ones that look good on both phone and desktop devices) with compass design patterns. I believe in a strong work ethic and will get done what I say I'm going to get done.

    Groups: Twilio

    $20.00 /hr
    2,577 hours
    4.95