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I'm a developer who specializes in... from... Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it. --- Employment and project experience Senior Developer Salesforce Inc. _January 2017 - March 2017_ Full-stack Developer Microsoft Inc. _January 2019 - March 2019_…I'm a developer who specializes in... from... Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it. --- Employment and project experience Senior Developer Salesforce Inc. _January 2017 - March 2017_ Full-stack Developer Microsoft Inc. _January 2019 - March 2019_

Willian Policiano

App Developer, Full Stack Developer, Web Developer, +2

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I'm a developer who specializes in... from... Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it. --- Employment and project experience Senior Developer Salesforce Inc. _January 2017 - March 2017_ Full-stack Developer Microsoft Inc. _January 2019 - March 2019_…I'm a developer who specializes in... from... Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it. --- Employment and project experience Senior Developer Salesforce Inc. _January 2017 - March 2017_ Full-stack Developer Microsoft Inc. _January 2019 - March 2019_

Available to hire

Winnipeg, Canada

I’m a developer who specializes in… from…

Give an introduction about yourself, who are you, what are your most important skills and what differentiates you from other devs. This is the first thing clients will see. They are often interested in sector experience and knowledge, so please mention it.

Employment and project experience

Senior Developer Salesforce Inc.
January 2017 - March 2017

Full-stack Developer Microsoft Inc.
January 2019 - March 2019

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

Portuguese

Fluent

English

Advanced

Work Experience

Staff iOS Engineer at Skip

February 1, 2022 - Present

Owned the iOS platform roadmap and modernization of the app foundation, focusing on stability, modularization, performance, and developer experience. Reduced MVP delivery cycles by ~70% through architecture and platform redesign. Introduced Tuist as the build system, enabling consistent project structure, automated generation, conflict reduction, and large-scale modularization. Created CI/CD pipelines and release workflows that cut sprint carryover by 90% and increased delivery reliability. Established documentation, UML-first design, and RFC cycles to improve cross-team alignment. Served as the iOS technical authority, defining platform vision and elevating performance, testing, and scalability standards. Mentored developers through pair sessions and growth plans and collaborated with Android and backend teams to evolve shared patterns and analytics.

Senior iOS Developer at Pic Pay

July 1, 2021 - February 1, 2022

Led iOS development for the Credit domain across multiple squads, focusing on app stability and platform-level extensibility. Redesigned server-driven UI architecture enabling dynamic content screens and improved runtime flexibility. Strengthened onboarding and registration flows with improved reliability and clearer domain boundaries.

Senior iOS Developer at Itaú Unibanco

January 1, 2018 - June 1, 2018

Maintained Swift/Objective-C apps used by millions of customers. Advocated for Clean Swift architecture, improving maintainability. Mentored peers on unit testing and improved testing culture in the mobile team. Collaborated with product stakeholders to deliver compliance-driven features under tight deadlines.

Mobile Developer at Token Lab

March 1, 2014 - January 1, 2018

Built multiple production apps and Node.js backends, gaining cross-platform experience (iOS, hybrid, backend). Acted as Scrum Master, leading agile adoption and efficient sprint planning. Designed CI/CD pipelines with Jenkins and Fastlane to automate deployments. Mentored juniors and contributed to internal education program.