Gabe Giro

Fractional Engineering Leadership

I take care of the engineering so you can focus on your business.

Senior engineering leadership, Android expertise, and team mentoring — available for hourly long-term engagements. 12+ years, 150M+ users impacted.

Work with me See my work

Trusted by teams at Max (HBO), Yahoo, Player FM, and 30+ other companies.

12+
Years of experience
37+
Projects completed
150M+
Users impacted
200+
Developers mentored

How can I help?

Three ways to work together — from hands-on development to strategic leadership.

Fractional CTO

Strategic engineering leadership, architecture direction, and team scaling — without the full-time overhead.

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Android Development

Kotlin migration, MVVM/Clean Architecture, code refactoring, and performance optimization for production Android apps.

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Engineering Mentoring

Weekly sessions, code reviews, and strategic guidance for developers, team leads, and non-technical stakeholders.

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Case Studies

Real results from real engagements.

HBO (WarnerMedia)AndroidKotlin

HBO GO Android — Architecture Modernisation & Performance

Led architecture modernisation and Kotlin migration for HBO GO's Android app, serving 10M+ users across Central and Eastern Europe. Reduced crash rate by 40%, improved UI smoothness from 45 to 58 fps average, and cut build times by 35%.

40%

Crash rate reduction

45 → 58 fps

UI frame rate improvement

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Yahoo (Verizon Media)AndroidKotlin

Yahoo Daily Fantasy — Android Launch & Scale

Joined the Android team to deliver the Yahoo Daily Fantasy Sports app from 0 to launch in 12 weeks. App reached 500K downloads in the first month, maintained 4.5★ rating, and processed $2M+ in transactions on launch day.

500K+

Downloads (month 1)

4.5★

Play Store rating

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From the blog

Practical writing on engineering leadership, Android, and AI.

AI

GPT-Written Code Should Not Be a Crutch

The fast-paced world of software development can sometimes require quick solutions, and GPT-written code is one of them. The ability to copy and paste AI-generated code snippets is efficient, but trea

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Engineering

Let Your Developers Work Without Pull Requests

Pull requests (PRs) can slow down development by creating unnecessary bottlenecks, and I believe developers can work without them. Actually, I believe developers should work without them in a closed-s

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Engineering

Having 10x Developers Increases Your Chance of Success

In today’s competitive tech landscape, having exceptional developers can be a game-changer. Let’s explore the concept of 10x developers, their impact on a project’s success, and strategies to cultivat

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