Joseph O.

Full Stack Developer

690 dollar
Freelancer
10 ans
Ottawa, CANADA

Mon expérience

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Bundle AfricaOctober 2019 - August 2021

Head of Engineering & CTO: Currently leading a cross-functional team of Mobile, Blockchain, Backend, QA, and DevOps engineers to build Bundle Africa, a fun social payments app for cash or crypto.

CarbonFebruary 2016 - September 2019

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Tripican.comMay 2013 - May 2016

Tripican.com is Nigeria's first online movie ticketing platform.

Design, development and maintenance of the complete application suite (end-user facing site, admin portal, REST API service) and some other applications that run on our services (Quickteller Movies and Tripican.com widget). Management of full application server stack and planning for upscale.


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TalentBase NigeriaDecember 2014 - July 2015

Major achievements include:

- Migration of company's infrastructure to AWS, thus cutting infrastructure cost by over 60%

- Redesign of software engineering process to increase team efficiency and produce better quality software.

- Lead development of self-hosted version of the application portal.

- Designed framework for payroll disbursements within the portal.

- Introduced and implemented framework for third-party authentication including Google App Services and Microsoft Active Directory services (as well as other LDAP)


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Columbia University Information TechnologyMay 2013 - May 2014

Working with Teaching and Learning Applications Team

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Jobberman.comJuly 2011 - December 2012

- Introduced horizontal scaling of application in order to cater for growing user base, real-time backup and easy fail-over

- Extended Jobberman.com to various end-user platforms, including Desktop Web, Mobile Web, Widgets, and other applications that rely on its REST API (Blackberry applications, J2ME and several partner websites)

- Redesigned technology workflow process.

- Coordinated set-up and development of of Jobberman.com.gh

- Lead implementation of several SEO strategies that made Jobberman.com number 1 destination for jobs in Nigeria.

- Ground-up redesign of Job seeker profiling, by implementation of cutting-edge Resume parsing solutions.

- Lead redesign of CV database, improving speed/efficiency of the system by over 400%

- Coordinated the development of the advertisers/employers’ portal.

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Federal University of Technology, YolaAugust 2010 - June 2011

Course Lecturer (National Youth Service Corps)

Course Lecturer of CS102 (Introduction to Computer Science), CS312 (Database Design and Management), CS010 (Database Management Systems), CS016 (Basic Computer Networks)

Treasurer, FUTY Corpers' Forum

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WANGONETDecember 2010 - April 2011

Lead developer:

Know Your Candidates Election Portal. (http://candidates.nigeriaelections.org/, http://election.punchng.com/)

The Punch Election Portal (http://elections.punchng.com) [defunct]

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Jobberman.comMarch 2010 - July 2010

- Integrated Facebook connect API and OpenInviter plugins

- Developed the first prototype of Full-Text Jobberman.com’s CV database, which was deployed on Zend Lucene (a PHP adaptation of Apache Lucene project)

- Developed Jobberman.com’s REST API 1.0, and the first version of Jobberman’s mobile website.

Mes compétences

Technologies

Memcached, Open Source, AWS, Machine Learning, Software Engineering, Web development, Software Development, Web Services

Environment of Development

NetBeans, Maven

Multimedia

ColdFusion MX

Languages

Python, HTML, MVC, Objective-C, Java, SQL, JavaScript, HTML5, CSS, OOP, PHP

IT Infrastructure

Ubuntu, Git, Docker, Linux

Analysis methods and tools

DevOps

Computer Tools

MS Office

Mobile

Android

Application servers

Apache

Protocols

JSON

Databases

MongoDB, MySQL

Others

Artificial Intelligence, Mobile App Design, Database Design, Natural Language Processing (NLP)

Frameworks

jQuery, REST, AJAX, Spring, Node.js

Mes études et formations

Masters Degree in Computer Science with focus on Natural Language Processing. - Columbia University in the City of New York2013 - 2014

B. ScDisciplina académicaComputer Engineering First Class Honours - Obafemi Awolowo University2004 - 2009