iOS Software Developer with 3+ years of experience in developing native iOS applications using Swift, SwiftUI, and UIKit. Expertise in agile development methodologies, testing (XCTest), and Clean Architecture (MVVM, VIPER). Passionate about technological innovation and continuous learning.

Sebastian Sanchez

iOS Software Developer with 3+ years of experience in developing native iOS applications using Swift, SwiftUI, and UIKit. Expertise in agile development methodologies, testing (XCTest), and Clean Architecture (MVVM, VIPER). Passionate about technological innovation and continuous learning.

Available to hire

iOS Software Developer with 3+ years of experience in developing native iOS applications using Swift, SwiftUI, and UIKit. Expertise in agile development methodologies, testing (XCTest), and Clean Architecture (MVVM, VIPER). Passionate about technological innovation and continuous learning.

See more

Experience Level

Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
See more

Language

German
Intermediate
English
Advanced
Spanish; Castilian
Fluent

Work Experience

iOS Software Developer (Semi Senior) at Scotiabank Colpatria, Bogotá, Colombia
July 1, 2025 - September 17, 2025
Created screens for new customer journeys; mentored and led team members within Agile teams. Developed and implemented a banner view displaying insurance offers, which appeared on approximately 90% of customer transactions. Worked with Swift, Combine, UIKit, SwiftUI, XIBs, and Jira. Applied architectural patterns including VIPER, VIP, MVVM, MVC, and a microservices-oriented approach; contributed to unit testing with XCTest.
Software Developer (Junior) at Scotiabank Colpatria, Bogotá, Colombia
April 1, 2022 - September 17, 2025
Collaborated with stakeholders to translate business requirements into technical solutions; supported team collaboration to ensure timely delivery. Updated three Angular micro-frontends to improve security, reducing vulnerabilities by 25%. Tech stack included Spring Boot, JavaScript, Angular, REST APIs, Git.
DevOps Engineer at Por venir, Bogotá, Colombia
December 1, 2020 - September 17, 2025
Optimized a Java-based notification system's codebase, reducing notification delivery time by 30%. Tech stack included Java, Jenkins, AWS and Azure.
Research and Academic Assistant at Universidad Distrital, Bogotá, Colombia
August 1, 2020 - September 17, 2025
Provided comprehensive research support including literature reviews, data collection, and analysis.

Education

Master’s degree in Software Engineering at Universidad Distrital, Bogotá, Colombia
February 1, 2021 - February 1, 2023
Bachelor degree in Systems Engineering at Universidad Distrital, Bogotá, Colombia
July 1, 2015 - December 1, 2020

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Financial Services, Professional Services

Experience Level

Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
See more

Hire a App Developer

We have the best app developer experts on Twine. Hire a app developer in Dresden today.