Alejandro Sosa Email and Phone Number

Frontend and Backend development.

Developing front end solution with angular 6. Using material design, TFS to review and share code, git.

- Lead Architect of Java API’s that present a restful interface to interact with payment processors using Spark, Sockets(TCP).- Main developer on white labeled customer rewards platform that allows consumers to view/claim rewards and offers from multinational brands using C#, ASP.net MVC, JavaScript, Web API and Azure SQL.- Main developer on a platform that enables consumers to use Apple Pay and Samsung Pay to pay at the pump with participating gas stations using their smartphone using C#, ASP.net MVC, WCF, Web API and Azure SQL.- Architect and lead engineer on web API handling push notifications to mobile devices using firebase or pushSharp(GCM/APNS), Dapper, SQL.

-Involved in all phases of project from analysis and requirement phase to delivering the project.-Implemented Business Logic using Java, Spring and Hibernate.-Developed the functionalities using Agile Methodology.-Implemented RESTful and SOAP Web services to retrieve data from client side.-Developed front-end presentation logic using SmartGWT.-Developed internal coding using J2EE technologies.-Ability to review and assess development design to ensure robustness of system design, adherence to standards and processes.-Created System Requirement Specifications (SRS) report of the project by collecting all the requirements from client.-Developed Business objects using POJOs and data access layer using Hibernate framework.-Achieved Dependency injection by creating spring services, spring controllers and DAOs so as to wire objects of business classes.-Involved in configuring XML mapping files.-Created scripts for creation of database objects in MySQL DB.-Created logical and physical data models putting to practice, concepts of normalization.-Created new tables, stored procedures, functions, views, indexes and constraints and triggers reducing the response time in the application.-Analyzed the requirements and formulated project scope.-Focused on Test Driven Development thereby creating detailed JUnit tests for every single piece of functionality before actually writing the functionality.-Used Maven building tool for creating EAR and WAR file to be deployed in application servers. It is also used for dependency management of code in application.-Involved in production support, resolving the production job failures, interacting with the operations support group for resuming the failed jobs.-Scheduled daily status meetings within the offshore team and also used to communicate the same to the onsite team accordingly.-Resolved bugs/defects in application by coordinated with team members of the project to assure a positive outcome.

Interview with clients to generate all the necessary artifacts to assure a proper software engineering: documents, diagrams (class, sequence, flow etc).

Research on software development technologies and development to upgrade old codes and develop new applications with better performance and efficiency.