César Brenes

CB SM

Senior iOS Engineer | Cartago, Costa Rica

With a degree in computer engineering, various certifications in mobile development, and over six years of engineering experience, César is an extraordinary mobile engineer. He has been continuously building his skills over the past few years through working on challenging mobile development projects. César is so passionate about software engineering that he teaches engineering at a local University. He enjoys sharpening his skills by helping others. César has significant experience managing projects, managing client relationships, estimating projects, defining architectures, and working with continuous integrations. César describes himself as a proactive, passionate, responsible and hardworking person who likes to learn new things every day. 

HIGHLIGHTS

Engineering Experience: 6 Years

Expert Level Skills: Mobile Development

Education: Bachelor's in Computer Engineering

Location

Employment

Engineering Professor
Cenfotec University (2015 - Present)

  • Teaches the “Create your first application in iOS” course.
  • Helps students learn the basics to create their first iOS applications.

iOS Team Lead
SoftonITG (2015 - Present)

  • Creates estimations, reports, and architectures for applications.
  • Fixes bugs, researches new technologies, meets with clients, works with the Apple Developer Center to upload applications to the App Store.
  • Creates user stories with clients, assigns tasks to engineers, helps engineers work through challenges.

Project: Froliic Client

  • Created an application that enables users to make reservations at clubs, search clubs, make payments, and review available activities at different clubs.
  • Technologies / Libraries: Firebase, CoreLocation, Google and Facebook Integrations, Clean Swift architecture, Swift 4.2.

Project: Froliic Employee

  • Created an application that helps managers of night clubs track the different activities of all employees.
  • Technologies / Libraries: Firebase, CoreLocation, Google and Facebook Integrations, Clean Swift architecture.

Project: MaxTrainer 3

  • Created a universal application that uses Bluetooth to connect to MaxTrainer Machines in order to show users information about their workouts.
  • Technologies / Libraries: BLE, HealthKit, MyFitnessPal, Realm, Under Armour, Continues Integration and Swift 4.0.

Project: HVT

  • Created an application that uses Bluetooth to connect to Nautilus Bowflex Hybrid Velocity trainer in order to show users information about their workouts. Designed a streaming feature that allows users to connect with the application while exercising to see workout videos.
  • Technologies / Libraries: BLE, HealthKit, MyFitnessPal, Realm, Continues Integration, and Swift 3.1.

Project: Nautilus Trainer 2 

  • Created an application that uses Bluetooth to connect to Nautilus Machines (bikes, treadmills, ellipticals) to show users information about their workouts.
  • Technologies/Libraries: BLE, HealthKit, MyFitnessPal, CoreData, MagicalRecord, AFNetworking, Objective C, HockeyApp, and Mogenerator.

Project: Bowflex MaxTrainer 2

  • Created an application that uses Bluetooth to connect to MaxTrainer machines in order to show users information about their workouts.
  • Technologies/Libraries: BLE, HealthKit, MyFitnessPal, CoreData, MagicalRecord, AFNetworking, Objective C, HockeyApp, and Mogenerator.

Project: Bowflex TreadClimber

  • Created an application that uses Bluetooth to connect to TradClimber machines in order to show users information about their workouts.
  • Technologies/Libraries: BLE, HealthKit, MyFitnessPal, CoreData, MagicalRecord, AFNetworking, Objective C, HockeyApp, and Mogenerator.

Project: Bowflex 3DT

  • Created an application that uses Bluetooth to connect to Bowflex 3DT dumbbells in order to show users information about their progress and follow along with exercises in real time.
  • Technologies/Libraries: BLE, HealthKit, CoreData, HockeyApp Objective C, and Mogenerator.

Software Engineer
La Creativería (2013 - 2015) 

Project: Ojeadores 

  • Created an iOS application that displays the tree catalog of Costa Rica, showing users regions, flower colors, scientific names, flowering months, flower dimensions, and average tree heights.
  • Technologies/Libraries: Objective C and Swift 2.0, and Realm.

Project: Informed

  • Created an iOS application that shows users information about their health by sending push notifications with updates.
  • Technologies/Libraries: APN, CoreData, Objective C, and Mogenerator.

Project: Taxiando

  • Created an iOS application that uses mobile GPS signals to calculate the cost of taxi trips.
  • Technologies/Libraries: Localization, Parse, and Objective C.

Project: cotiSE

  • Created an iOS application that displays the product catalog of Schneider Central America and México and shows quotes, reducing the impact of the paper waste in the environment.
  • Technologies/Libraries: Parse and Objective C
.

Project: RTM

  • Created an iOS application that enables technicians to input data directly into the device when they visit customers by connecting directly with SAP, Active Directory, SQL Server 2008, and a local DB to work in offline mode.
  • Technologies/Libraries: Technologies/Libraries: Parse, API(C# and Ruby and Rails), SQL Server, and SAP.

Project: Educalcohol 

  • Created an iOS application that calculates the user’s BAC using their weight, gender, and timing records.
  • Technologies/Libraries: Objective C and Swift 1
.

Education

Tecnológico de Costa Rica
Bachelor Degree in Computer Engineering (2013)

University of Toronto Coursera
Certifications

  • iOS App Development with Swift, a 4-course specialization (2016)
  • App Design and Development for iOS (2016)
  • Build Your Own iOS App (2016)
  • iOS App Development Basics (2016)
  • Introduction To Swift Programming (2015)
  • TDD for iOS (2015)
  • Programación iOS avanzada ¡De Padawan a Jedi! (2015)
  • Swift - Learn Apple’s New Programming Language step by step (2014)

Skills

Objective C, Swift, Cocoa Pods, Core Data, Mogenerator, Magical Record, Realm, Auto Layout, Size Classes, Git Flow, Web Services(REST), Test Driven Development, CleanSwift Architecture, Continues integration, Firebase, Carthage