Osazeme Iwinosa Usen

Osazeme Usen Senior Full-Stack Developer linkedin.com/in/osazemeu Lagos, Nigeria-- WORK EXPERIENCE Snr Engineer, Andela ​- Aug​/2018 - till date - L ​ agos/Nigeria ⇢ I work with ​Omise Co.​ ​to fix issues & add features to Ruby On Rails backend. ⇢ Also working on context boundaries to start migrating features to microservices. ⇢ Include - I lead andela’s team of five(5). ⇢ Backend Development using Ruby, RubyOnRails, Elixir, Go & PostgreSQL Snr Full-Stack Developer, Arnergy Solar Limited​- ​Sept/2017 - July/2018 - ​Lagos/Nigeria ⇢ Built the command & control backend for our custom IOT solar solution. Also worked closely with the embedded team to include real-time error alerting & reporting, payment trip system, etc. ⇢ Led the migration of application from existing PHP monolith to NodeJS microservice. ⇢ Led the migration of existing apps from VPS to AWS IaaS for elasticity and scale. ⇢ Include - I lead a team of seven(7). - Currently filling the role of a Solutions Architect for the IT Unit. ⇢ Full stack development using AWS, Ruby, RubyOnRails, PHP, Node.js, Express, PostgreSQL, and VueJS. Snr Full-Stack Developer, Intelia​ - ​Dec/2016 - Aug/2017 - L ​ agos, Nigeria ⇢ Led a team of 5 people in backend development. ⇢ I played the role of FullStack Dev & Technical Team Lead ⇢ Developed & maintained a reusable simple datetime component for Angular in our private repository. ⇢ Full stack development using AWS, Node.js, Express, Ruby, Ruby On Rails, PostgreSQL, MySQL, MongoDB, Angular 2,4. Happiness Hero(Remote), Codeplace​ - ​Sept/2016 - Dec/2016 - ​Porto Area, Portugal ⇢ Provided technical support (Ruby, Javascript) for students. ⇢ Provided proper documentation for course material. ⇢ Wrote articles to provide support for students.. ⇢ Full stack development using AWS, TypeScript, JavaScript, Ruby, Ruby On Rails, PostgreSQL, MySQL, Angular 1.x, Angular 2. Full-Stack Developer, Credicoin​- ​Oct/2015 - Aug/2016 - L ​ agos, Nigeria ⇢ Worked on the UI. ⇢ Worked on a Social/Fintech App using Ruby on rails/NodeJS. ⇢ Chose stack that best fits the project. ⇢ Provided the best architectural solution for features (Microservices). ⇢ Integrated app with Stripe, Twilio and Interswitch API. ⇢ Wrote critical parts of the web app. ⇢ Worked remotely for 4 months. ⇢ Oversaw proper documentation. ⇢ Developed & maintained a reusable simple datetime component for Angular in our private repository. ⇢ Full stack development using AWS, Ruby, Ruby On Rails, PostgreSQL, NodeJS, MySQL, Angular 1.x, Angular 2. IT Support Officer, Atlas Logistics​ - ​Mar/2014 - Sept/2015 - ​Rivers, Nigeria ⇢ Website Administrator. ⇢ Optimized and maintained company apps. ⇢ Handled routine server (Linux and Microsoft) Maintenance. ⇢ Maintained and implemented new features (Ruby,PHP/C#/NodeJS) production apps for existing clients. ⇢ Developed & maintained a reusable simple datetime component for Angular in our private repository. Assistant Computer Analyst/Programmer ​- Mar/2013 - Feb/2014 - Niger, Nigeria ⇢ Troubleshoot electronic devices of staff within institute. ⇢ Network Administrator. ⇢ Developed software using (C#/Javascript, PHP, Ruby) to solve existing problems in other departments. ⇢ Maintained existing intranet solutions. Other Experiences: ⇢ Remote Intern for Codeplace working with Ruby & Javascript, 12 weeks in 2016. Certifications: ⇢ Zend Certified PHP Engineer - April 2015 - Present EDUCATION 2012 B.Sc. in Computer Science, University of Benin ⇢ Built a web based student management system using PHP, JAVASCRIPT, AJAX, HTML & CSS. TECHNICAL SKILLS Express, MongoDB, Redis, PostgreSQL, GraphQL, TypeScript, JavaScript, VueJS, Angular, Git, Ruby, RubyOnRails, AWS (EC2, S3, EB, ELB, VPC, DynamoDB, SES, IOT, RDS), PHP, C# LANGUAGES English