Sergio Armando Martinez Olvera Email & Phone Number

Atlanta, GA, US

Leasepert is an administration software focused on apartment complexes. It integrates with the existing software to be a single tool suite.

Aptivist is a privately held corporation headquartered in Atlanta, GA with offices in Mexico and Poland. We offers specialized technology services to mid-size and Fortune 500 companies nationwide focusing on consulting, design and development of high performing mobile applications for a wide variety of business sector such as aviation, health, retail.

Boston, MA, US

• Wayfair Inc. is an American e-commerce company based in Boston, Massachusetts that sells furniture and home goods online. Wayfair operates five branded retail websites and mobile applications: Wayfair, Joss & Main.
• Acted as tech lead of the android performance team.
• Evaluated overall app performance, and coordinated an action plan to achieve the quarterly set KPI's
• Developed a tool to automate the measurement of performance metrics and shared it as an open source tool in the "Wayfair-incubator" repository (" https://github.com/wayfair-incubator/stageharbor ")
• Mentored most of the android teams to use the given sdk tools as perfetto, profiler, app inspector, benchmarks and android vitals to have a clear measurement of their app modules for performance.

Roswell, GA, US

SiteOne Landscape Supply is the largest and only national wholesale distributor of landscaping products in the United States and Canada.

• Iteneum is a training suite composed by various independent mobile applications that work stand alone or integrated
• Architected a new application from scratch setting up interactions on a codebase setup with an MVVM design pattern implementing a two-way Data Binding.
• Set up the dependency injection container using MVVM Cross and related components.
• Created a Repository pattern for each use case required in the application to update the ViewModels, the repositories had references to the remote (Refit #) and Newton Soft plus local storage with SQLite
• The network stack was based on a façade pattern using Refit that allowed us to receive JSON data with custom Http interceptors.
• Worked with the TDD paradigm on some non-UI dependent features, allowing us to have a 79% code coverage using NUnit.

Quetzalcoatl Systems is a Mexican consultant that develops mobile applications for Mexico State Government. All apps here were developed from scratch and i was acting as Android Team leaderOfficer EnrollmentThis is an internal application, where the government human resources area can track the material resources, patrol and weapon assignment to their.

• Muapp app aims for solving the problems that women find when linking and meeting online.Muapp México – Ladies FirstPublic App that offers a meeting point to woman that are searching for men or other woman to have a.
• Identified some problems on navigation and current behavior, and needed improvements by clients.
• Customized some of the screens based on the proposed design.
• Prospected client needs based on market study.
• Changed all communication behavior between users, implementing QuickBlox library.
• Transformed some UI assets to match the desired design.

CDMX, DF, MX

• Cloro apps as a Mexican Consultant, gives solutions to multiple companies and partners, with the creation of Mobile Apps, UX an UI Design, Videogames, and VR software.Montalvo CustomsThe Montalvo app was made to.
• Prepared new environment to increase performance on package managing, with real-time databases
• Studied the way to design UI using only code to boost coding, with Anko.
• Suggested to remove and modify some process steps, to replace it with app features.
• Renovated completely the process of customs office.
• Solved the time-wait to process packages also using real-time databasesTechnologiesAndroid Studio, OkHttp, Firebase, Anko, Dexter, Butterknife, Fresco, SQLite, POST Web Services, Git.Thea LabsThea Mobile is an.

• Proximo Technologies is a project incubator, 100% Mexican, dedicated to the development of new technologies.Buggy Rides / Citix (Driver, User)Citix (before Buggy Rides), was a startup company that provided to its.
• Formulated the best technology combinations to build a great app
• Researched the market for some opportunity areas on the trip services.
• Established a timesheet with the team using some tools like Slack and Trello.
• Explored the brand new (at time) Google maps v2 API capabilities to define the best usage.
• Chaired an android team with three more developers.

BE

• MSP is a trademark owned by MSP Mobility Corporation in the United States, aimed at developing innovative solutions in the internet of things (IOT), embedded software (ES), mobile cloud solutions and systems based on.
• Observed the current way other developers made their code on the project, and took the best way to interact with it
• Modified some code lines previously added to improve functionality
• Performed a gas charge control system module, easy to use with a few clicks
• Renovated the way that the app syncs the information, to get it online, implementing POST Web services
• Grew performance in app, using async tasks and threads to achieve it

El Arenal, Jalisco, MX

• Mexico’s leading company in direct sale of home products. This brand is like Bed, Bath & Beyond in México and UK.BetterwareAn E-commerce platform built to help people enrolled to the brand, to sell items to their.
• Studied the UI needs from people who had used the existing app to make the new interfaces.
• Adjusted some views to fit the new section on menus
• Dedicated some time to understand the needs to the new feature
• Incorporated an enroll and sign in system based on REST Web Services and realm databases
• Earned experience managing images with fresco API

• TecGurus offers a wide range of updated I.T. courses, they have certified consultants in different technologies Java,.NET, PHP, Python, Android, Mobile Applications, and more.Android InstructorActing as.
• SDK and ADV.
• Resources (R, Manifest, Lifecycle)
• UX (Activities and Fragments)
• UI (Layout, Tabs, XML)
• Intents e intent-filters, Broadcast Receivers

• Young company, whose vision is to serve the market of training, computing, design and development of projects, all focused on road engineering.Incidents on toll-free roadsGovernment had few problems attending.
• Drafted a work scheme to determine project capabilities and tasks derived on them with the team.
• Remodeled the complete process of attention to incidents and data collecting, based on the app design.
• Contributed to the backend design with the team
• Developed both applications from scratch (iOS and Android)
• Implemented GPS features to attend incidents efficiently and precisely.TechnologiesApache Http, SQLite, Google Maps v1, POST Web Services, Git.