# Francis Mariano

> Senior Software Engineer | Square

Location: New York City Metropolitan Area, United States
Profile: https://flows.cv/francismariano

## Work Experience
### Senior Software Engineer @ Block
Jan 2023 – Jan 2026 | New York, New York, United States
Designed and built a feature flag library used by seven different applications. Maintained the library since its inception, making improvements in multithreading and reducing flag read time from 300µs to 30µs.
Redesigned and implemented backend APIs used by clients to retrieve flags from a Java/Kotlin service. Reduced network payload size by 90%.
Refactored React web app tool used to simulate flag evaluations by addressing developer feedback on user experience.
Automated feature flag removal using an AI agent. Integrated into iOS repo's CI/CD pipeline and improved prompts and the LLM's tooling.

### Software Engineer @ Block
Jan 2021 – Jan 2023 | New York, New York, United States

### Software Engineer, iOS @ Headspace Inc.
Jan 2020 – Jan 2021 | Santa Monica, California, United States
Collaborated with product, design, and science teams to deliver product features focused on increasing user engagement and therefore retention.

Built and helped to design a mood- and duration-based recommendation module, from ideation to creation, resulting in a significant increase in free trial subscriptions.

Led efforts to improve the app’s accessibility experience, resulting in potential partnerships with enterprise customers for Headspace for Work. Features include VoiceOver, closed captioning for audio and video content, dynamic type, and landscape support.

### Software Engineer, Tools & Operational Excellence @ Headspace Inc.
Jan 2019 – Jan 2020 | Santa Monica, California, United States
Developed an internal tool using CircleCI API to allow anyone to easily trigger end-to-end tests, primarily to be used during incidents.

Streamlined iOS automated testing by implementing test plans and by improving integration with Fastlane.

Collected and analyzed data regarding flakiness of our end-to-end tests, resulting in proper training for developers and improved reliability of our tests

### Software Developer in Test @ Headspace Inc.
Jan 2019 – Jan 2019 | Santa Monica, California, United States
Reduced the number of quality-related incidents from 66% to 10% by increasing automated test coverage and championing quality across the engineering organization.

Researched a new mobile automation framework, collaborating with Android and iOS leads and focusing on migration of test cases and implementation of backdoor functionality.

Developed prototypes for mobile automation frameworks using Appium, XCUI, and Espresso, driving the decision to have developers write their own end-to-end-tests.

Improved communication of test results by designing and implementing better reporting through Slack.

### Software Development Engineer in Test @ Internet Brands
Jan 2017 – Jan 2018 | El Segundo, California, United States
Developed the QA team's first automation framework for end-to-end testing on native iOS and Android applications.

Expanded automation infrastructure to handle testing for physical mobile devices.

Automated full end-to-end regression suites for various websites using Selenium and Python (e.g. Lawyers.com, Martindale, DoItYourself.com, Fodors, vBulletin).

Trained interns in test automation, using Git, writing clean code, and applying company best practices.

### Quality Assurance Intern @ Internet Brands
Jan 2017 – Jan 2017 | El Segundo, California, United States
Automated test cases using Python, Robot Framework, and Selenium tools.


## Education
### Bachelor’s Degree in Applied Mathematics B.S.
UCLA


## Contact & Social
- LinkedIn: https://linkedin.com/in/francishmariano
- Website: https://www.francismariano.com/portfolio

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Source: https://flows.cv/francismariano
JSON Resume: https://flows.cv/francismariano/resume.json
Last updated: 2026-03-22