Juan Emmanuel Cepeda Antillon
Sr. IOS Developer
Summary
Professional and highly motivated iOS Software development engineer with over 11 years of experience in software engineering. Expert in iOS development, various frameworks, and libraries. Proficient knowledge of iOS and back-end utilities. Advanced skills in both front- and back-end layers of applications: developed from various pieces of UI to multithread systems. Passionate and rapid learner. Curious about new technologies in the field. Has Leading experience - working with multiple project stakeholders and competing priorities; managing engineers - allocates tasks, provides code review and knowledge transfer. Has experience working in Agile environment with changing requirements and frequent releases, backlog grooming. Has excellent communications skills, always executes tasks responsibly and proactively.
Overview
6
6
years of professional experience
6
6
years of post-secondary education
Work History
Sr. IOS Developer
Uala
Remote
11.2022 - Current
- SwiftUI Implementation
- Collaborated with cross-functional teams to design, develop, and launch innovative iOS applications.
- Coordinated with QA teams to identify defects early in the development cycle, improving overall efficiency in delivering bug-free products.
- Improved app performance by optimizing code and implementing efficient algorithms.
- Led software architecture discussions within the team to establish best practices for scalable, maintainable codebases.
Sr. iOS Application Developer
Globant
09.2019 - 11.2022
- SwiftUI Implementation
- Developed process management from scratch
- Debugged, analyzed and identified errors/bugs within the app
- Developed unit tests
- Interacted with product owner, product manager to define business goals, gather and specify requirements
- Created and implemented strategic plans, timely delivery of projects and QA
- Reviewed the source code of my teammates and provided solutions
- Assigned iOS devs to projects as per priority business
- Managed the certificates and provisioned profiles
- Interacted with the managers, mechanics, developers regarding different issues
- Provided developers consultancy and mentoring sessions from time to time which helps them to grow in the technical field.
Sr. iOS Application Developer
Sngular
08.2018 - 04.2019
- Provided insights regarding best approaches to choose stacks
- Provided developers consultancy and mentoring sessions from time to time which helps them to grow in the technical field
- Interacted with product owner, product manager to define business goals, gather and specify requirements
- Created and implemented strategic plans, timely delivery of projects and QA
- Created flow diagrams and use case requirements for projects.
Sr. iOS Application Developer
Luxoft
04.2018 - 08.2018
- Developed and designed IOS apps
- Worked based on Agile methodology
- Interacted with different layers of stakeholders to obtain requirements and manage projects
- Validated and implemented strategic planning to timely delivery of projects and QA
- Coordinated iOS Training Content for Junior and mid developers (Best Practices)
- Reviewed source code and submitted releases on time while working on multiple projects
- Created flow diagrams and use case requirements for projects
- Interacted with the managers, client regarding the issues and possible solutions in order to speed up the development process.
iOS Application Developer
Tiempo Development
09.2017 - 04.2018
- Reviewed, analyzed and understood project requirements
- Created flow diagrams and use case requirements for the project
- Used of Unit Testing for reviewing coding and to debug issues on different apps
- Provided developers consultancy and mentoring sessions from time to time which helps them to grow in the technical field
- Collaborated with the managers regarding the issues and possible solutions to speed up the development process.
Education
Mechatronic engineer -
Universidad Tecnológica de Aguascalientes
08.2005 - 05.2011
Skills
iOS developmentXCode IDE: Development tool to create iOS appsArchitectural knowledge: Clean, VIPER, MVVM, MVP, MVCConsumed GraphQL, RESTful APIsUI development: XIB, Storyboard, Auto layout, programaticallyUIAnimation, extensions, @IBDesignable/@IBInspectableManaged concurrency using GCD, threads and operation queues, strong experience with BlocksMap Kit for location and pin/clusters based applicationLocalization for multi-language supportXCTest: UI and Unit testingApple Signing and release, expertise in creating certificates and provisioning profiles for development and distributionApple Watch developmentMemory managementOffline handling, CI/CD implementation using the FastlaneManage multiple environments (eg, prod, dev, QA)Data Encryption for security purpose, In-App Purchase, Image filters, Audio filters, Video filtersMachine learning using CoreMLiOS local persistent storage: Core Data/SQLite, Realm, Keychain, Property list, Document directory, User defaults etcBack-end: Firebase: A firm grasp on firebase to create the database, socket-based chatting via Firechat and implemented geofencing functionality using GeoFireProxyman: Used to see and debbug API requestTools: Continuous Integration and Continuous Deployment (CI/CD) like Bitrise, Jenkins, Scheduling pipeline jobs for the deployment of dev, QA etc using Fastlane, Project management tools like JIRA, TrelloInstrument tool for application performance, Code versioning tools: GitHub, GitLab, Bitbucket, SourceTree, GitKraken etcSocial integration like FB, Google, etc, Crashlytics, integration in the application, performance tuningDevelopment methodologies (Agile, Continuous Integration, Design patterns, Unit testing)
Technology Summary
Objective-C, Swift, Cocoa Touch, Cocoapods, UIKit, Foundation, GraphQL, Networking, AVFoundation, AVPlayer, AddressBook, CoreData, CoreImage, CoreLocation, CoreML, QuartzCore, MapKit, MediaPlayer, StoreKit, RESTful API, XCTest, SnapKit, Core Data, Realm, Keychain, Document directory, Property List, UserDefaults, Bitrise, Jenkins, GitHub, GitLab, SourceTree, GitKraken, XCode, Crashlytics, TestFlight, Agile development, CI/CD
Timeline
Sr. IOS Developer
Uala
11.2022 - Current
Sr. iOS Application Developer
Globant
09.2019 - 11.2022
Sr. iOS Application Developer
Sngular
08.2018 - 04.2019
Sr. iOS Application Developer
Luxoft
04.2018 - 08.2018
iOS Application Developer
Tiempo Development
09.2017 - 04.2018
Mechatronic engineer -
Universidad Tecnológica de Aguascalientes
08.2005 - 05.2011