Jaime Alfonso Pérez Rojas
About
Detail
Mobile Developer iOS (Swift/SwiftUI) & Flutter
Tunja, Boyaca, Colombia
Résumé
Jobs
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25% verified
Senior Software Developer public Remote experiencePersonal SoftJun 2024 - Current (1 year 11 months)I perform the role of Front-End Mobile Software Engineer, participating in the full mobile application development lifecycle: design, development, testing, deployment, and stabilization. I develop new features and maintain the mobile application repositories built with Flutter. - I create unit and integration tests, ensuring quality and reducing production defects. - I manage and resolve incidents, bugs, and pending requests, ensuring continuity and availability. - I participate in code reviews, applying clean architecture principles, SOLID practices, and best practices in security and performance. - I handle version promotion processes to internal beta environments, ensuring traceability and control within the deployment pipeline. - I cont- Senior Software Developer Flutter public Remote experienceEDIPROMar 2024 - May 2024 (3 months)Leading mobile app development using Flutter: - Write clean, efficient, and well-documented code. - Design and implement application architecture. - Develop and optimize the mobile user interface. - Participate in Scrum ceremonies. - Develop and execute unit tests. - Manage version control using tools like Git and Bitbucket. - Contribute to project planning using tools like Jira. - Collaborate in cross-functional meetings with teams such as Design, QA, and DevOps. Achievements: - Successfully implemented a clean architecture that enables scalability and maintainability of the code. - Developed a responsive and consistent user interface and experience aligned with the design. - Designed and implemented custom widgets. - Integrated APIs, en
- AMobile Developer (iOS / Flutter)AtonómoFeb 2023 - Feb 2024 (1 year 1 month)- Led mobile app development using Swift and Flutter, delivering successful projects over the last years. - Design, develop and maintain native mobile applications for iOS devices, using Swift - Participate in the definition of the architecture of the applications, making technical decisions to ensure efficient and scalable development. - Implement and consume APIs and web services, ensuring the correct interaction between the app and external servers. - Implemented Combine for reactive programming and experimented with TCA architecture. - Make unit, integration and debugging tests to ensure the quality of the code and the functionality of the application - Work as a team with UX/UI designers, product managers and other developers to create
- DDesarrollador Flutter / iOS verified_user Verified experienceDigital SappiensSep 2019 - Jan 2023 (3 years 5 months)- I create robust mobile applications (iOS and Android). - Collaborate with the team to improve the development, accessibility and usability of applications. - I propose and participate in code reviews mainly through GitHub. - Guide younger team members and review their code to ensure overall product quality.
Education
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- Curso de GitHub Actions public Remote experiencePlatziOct 2023
- Curso de Prompt Engineering con ChatGPT public Remote experiencePlatziJul 2023 - Aug 2023 (2 months)
- Curso Práctico de JavaScript public Remote experiencePlatziAug 2022 - Sep 2022 (2 months)
- APPLE FULLSTACK public Remote experiencePlatziMay 2022 - Dec 2022 (8 months)
- FLUTTER FULLSTACK public Remote experiencePlatziJan 2022 - Jul 2022 (7 months)
- Curso Profesional de Scrum public Remote experiencePlatziDec 2021 - Jan 2022 (2 months)
Projects (professional or personal)
verified_user
50% verified
- BBody Fat Calculator Expert (Native iOS) verified_user Verified experience public Remote experienceFeb 2023 - Apr 2023 (3 months)- Develop user interface with SwiftUI - Implementation of MVVM + Combine for state and data flow - Applied unit tests and XCUITests for validation Using Xcode and Swift/SwiftUI, we adhered to MVVM and OOP principles, ensuring code scalability. App Store Optimization (ASO) was key to maximize visibility. Web Services API integration facilitated real-time data sync, while our focus on UI/UX design ensured user-centric interfaces. Team collaboration was enhanced via Git and GitHub, reflecting a unified approach to meet project timelines and exceed stakeholder expectations.
- HHealthy BMI Tracker Pro (Native iOS) verified_user Verified experience public Remote experienceDec 2022 - Jan 2023 (2 months)NATIVE APP (iOS) - Embarked on a mission to craft an intuitive mobile app, our team excelled in employing cutting-edge technologies. Utilizing Xcode, Swift, and SwiftUI, alongside the MVVM and OOP paradigms, we ensured an agile development process. Our collaborative efforts thrived through Git and GitHub, facilitating seamless version control and team interaction. The focused approach towards ASO, UI/UX design, and Web Services API integration, underpinned by a strong team synergy, led to an app that surpassed stakeholder expectations.
- CCalDig: Digital Calculator verified_user Verified experience public Remote experienceApr 2022 - Jan 2023 (10 months)I participated as a Flutter developer in this application. Is an application designed to become the ideal companion in the classes of mathematics, physics, trigonometry, calculus... As well as being a practical pocket calculator. You will be able to solve everyday problems as well as mathematical problems at school and/or university. The calculator allows you to make basic calculations as scientists.
- TTrack weight & lose body fat! public Remote experienceMay 2021 - Jul 2022 (1 year 3 months)I participated as a Flutter developer in this application, dedicated to helping users calculate and understand their nutritional status easily and effectively, based on scientifically verified information. The application includes: Daily weight record Calculation of body mass index (BMI), body fat percentage and waist/height ratio. The ability to calculate basal requirements and the distribution of macronutrients in kilocalories and grams. I've also added report cards and the option to create and save progress within custom user profiles. It can be used free of charge, with the implementation of an advertising banner. You can create a user and save preference data, also for free. Finally, you have the possibility of making a single an
Awards
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0% verified
- PProblem Solving 🏅Dec 2023 - Mar 2024 (4 months)- Certification in problem-solving and algorithm analysis, with practical application in Swift and the development of optimized solutions. - International validation of technical skills in data structures, algorithms, and competitive programming.
- MGitHub Universe 2023 Cloud Skills ChallengeMicrosoftNov 2023 - Dec 2023 (2 months)Demonstrate the ability to develop an intelligent web application that integrates Computer Vision functionalities, taking advantage of Azure AI Vision and Azure OpenAI cognitive services. - Integrate the latest features of Image Analysis 4.0 into the application. - Enrich the solution with generative artificial intelligence functionalities. - Create a CI/CD pipeline with GitHub actions to implement the cloud application as a static Azure web application.
Publications
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- IIOSAppTimetonic AppJan 2024 - Feb 2024 (2 months)The IOSAppTimetonic App is a native iOS application developed in SwiftUI, employing the Model-View-ViewModel (MVVM) architecture and applied XCTests and XCUITests for validation. It's designed to provide a seamless and intuitive user experience, adhering to Apple's Human Interface Guidelines. This application allows users to log in using Timetonic's public API, view a list of books associated with their account, and look their bookshelf with ease.
- RRickAndMortyApi-FlutterSep 2023This project is a mobile application 📱 developed in Flutter that consumes data from the famous TV series Rick and Morty 🛸 through the Rick and Morty API.
- CCatBreedAPI-FlutterAug 2023A Flutter mobile app that allows users to browse and search for different breeds of cats using TheCatAPI.
- DDart-ReviewApr 2023A quick guide with exercises on the core fundamentals of the Dart programming language. Perfect for beginners and those looking to refresh their Dart knowledge
- SSwift-FundamentalsSep 2022 - Oct 2022 (2 months)A collection of hands-on exercises and code snippets from the "Develop in Swift Fundamentals" book. Perfect for those looking to master Swift programming basics.