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I am a Senior iOS Engineer with 6 years of experience designing, developing, and optimizing iOS applications. I specialize in building scalable architectures, improving app performance, and driving feature development from concept to production. I have a strong background in fintech, e-commerce, and mobile payments, and I’ve led engineering efforts, mentored developers, and implemented best practices to ensure maintainable codebases. Beyond coding, I enjoy collaborating with cross-functional teams to plan, scope, and deliver thoughtful, accessible mobile experiences. I’m passionate about translating complex problems into clean, robust architectures and leveraging modern patterns like MVVM and SwiftUI to ship reliable apps that users love.…I am a Senior iOS Engineer with 6 years of experience designing, developing, and optimizing iOS applications. I specialize in building scalable architectures, improving app performance, and driving feature development from concept to production. I have a strong background in fintech, e-commerce, and mobile payments, and I’ve led engineering efforts, mentored developers, and implemented best practices to ensure maintainable codebases. Beyond coding, I enjoy collaborating with cross-functional teams to plan, scope, and deliver thoughtful, accessible mobile experiences. I’m passionate about translating complex problems into clean, robust architectures and leveraging modern patterns like MVVM and SwiftUI to ship reliable apps that users love.

Jastin Martinez

Developer, Web Developer, Front-End Developer, +2

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I am a Senior iOS Engineer with 6 years of experience designing, developing, and optimizing iOS applications. I specialize in building scalable architectures, improving app performance, and driving feature development from concept to production. I have a strong background in fintech, e-commerce, and mobile payments, and I’ve led engineering efforts, mentored developers, and implemented best practices to ensure maintainable codebases. Beyond coding, I enjoy collaborating with cross-functional teams to plan, scope, and deliver thoughtful, accessible mobile experiences. I’m passionate about translating complex problems into clean, robust architectures and leveraging modern patterns like MVVM and SwiftUI to ship reliable apps that users love.…I am a Senior iOS Engineer with 6 years of experience designing, developing, and optimizing iOS applications. I specialize in building scalable architectures, improving app performance, and driving feature development from concept to production. I have a strong background in fintech, e-commerce, and mobile payments, and I’ve led engineering efforts, mentored developers, and implemented best practices to ensure maintainable codebases. Beyond coding, I enjoy collaborating with cross-functional teams to plan, scope, and deliver thoughtful, accessible mobile experiences. I’m passionate about translating complex problems into clean, robust architectures and leveraging modern patterns like MVVM and SwiftUI to ship reliable apps that users love.

Available to hire

I am a Senior iOS Engineer with 6 years of experience designing, developing, and optimizing iOS applications. I specialize in building scalable architectures, improving app performance, and driving feature development from concept to production. I have a strong background in fintech, e-commerce, and mobile payments, and I’ve led engineering efforts, mentored developers, and implemented best practices to ensure maintainable codebases.

Beyond coding, I enjoy collaborating with cross-functional teams to plan, scope, and deliver thoughtful, accessible mobile experiences. I’m passionate about translating complex problems into clean, robust architectures and leveraging modern patterns like MVVM and SwiftUI to ship reliable apps that users love.

Skills

Experience Level

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Spanish; Castilian

Fluent

French

Beginner

Work Experience

Senior iOS Engineer at Ribbiot

August 1, 2024 - Present

Led iOS development and architectural efforts, introducing UI architecture standards and the The Composable Architecture (TCA) pattern to improve injectability, testability, and reusability. Enhanced accessibility across SwiftUI components to widen usability. Implemented DocAttachment for PDFs and photos within forms. Refactored Asset Flow to resolve caching and network-related failures. Migrated data exchange from REST to GraphQL, and integrated AWS Amplitude analytics. Mentored mid-level engineers and collaborated with cross-functional teams on planning and delivery.

Senior iOS Engineer at Havas CX Canada

May 1, 2024 - March 1, 2025

Contributed to iOS product development, performance improvements, and feature delivery. Drove backend integration work (GraphQL) and supported cross-functional collaboration with product and design teams. Implemented analytics hooks and assisted in mentoring junior engineers. Participated in migration efforts and ensured smooth rollout of new features.

Senior iOS Engineer at GBH

December 1, 2021 - July 1, 2022

Led architecture and design for iOS products, introducing MVVM patterns to improve testability and reusability. Implemented analytics and monetization integrations (MetaSDK, GoogleSDK), contributing to improved user engagement and stability. Collaborated with Android teams on cross-platform improvements and contributed to testing strategies including unit and snapshot tests.

Software Engineer at Wepsys

February 1, 2020 - December 1, 2021

Contributed to iOS feature development and bug fixes, collaborated with Android teams, and supported backend integrations to deliver cohesive mobile experiences.

Software Engineer at NeuralTS

January 1, 2018 - February 1, 2020

Worked on multiple modules for iOS applications, focusing on reliability, performance, and collaboration with backend teams to deliver robust features.