Hi, I am Ángel Martínez Olivares, a Senior Unity Developer with 8+ years of experience shipping and scaling live mobile games. I have led technical initiatives for high-scale multiplayer titles reaching millions of active users, including a Tech Lead role on Scopely's Stumble Guys project. I specialize in scalable architecture, OTA content delivery, live-ops optimization, and performance tuning. I am comfortable working under pressure, aligning technical strategy with product goals, and I have embraced AI-assisted development (GitHub Copilot) to speed up architecture reviews, refactoring, and SDK integration while applying critical judgment to validate outcomes.…

Ángel Martínez Olivares

Hi, I am Ángel Martínez Olivares, a Senior Unity Developer with 8+ years of experience shipping and scaling live mobile games. I have led technical initiatives for high-scale multiplayer titles reaching millions of active users, including a Tech Lead role on Scopely's Stumble Guys project. I specialize in scalable architecture, OTA content delivery, live-ops optimization, and performance tuning. I am comfortable working under pressure, aligning technical strategy with product goals, and I have embraced AI-assisted development (GitHub Copilot) to speed up architecture reviews, refactoring, and SDK integration while applying critical judgment to validate outcomes.…

Available to hire

Hi, I am Ángel Martínez Olivares, a Senior Unity Developer with 8+ years of experience shipping and scaling live mobile games. I have led technical initiatives for high-scale multiplayer titles reaching millions of active users, including a Tech Lead role on Scopely’s Stumble Guys project.

I specialize in scalable architecture, OTA content delivery, live-ops optimization, and performance tuning. I am comfortable working under pressure, aligning technical strategy with product goals, and I have embraced AI-assisted development (GitHub Copilot) to speed up architecture reviews, refactoring, and SDK integration while applying critical judgment to validate outcomes.

See more

Skills

Experience Level

C#
Expert
Unity 3D
Expert
SQL
Expert
Android
Expert
iOS
Expert
GitHub Copilot
Expert
Jira
Expert
Claude
Expert

Language

Spanish; Castilian
Fluent
English
Fluent

Work Experience

Senior Unity Developer at DREST
January 1, 2025 - December 31, 2026
Led the design and implementation of complex scalable systems aligned with evolving product strategy. Refactored legacy architecture to improve long-term maintainability and reduce technical debt. Identified structural weaknesses impacting performance and proposed sustainable, long-term solutions. Collaborated cross-functionally to align engineering decisions with UX and business goals. Contributed to architectural roadmap planning and technical risk assessment. Used GitHub Copilot for architecture consultation, SDK integration, and refactoring, then critically evaluated AI outputs. Implemented Unity Cloud Build pipelines to automate release workflows (signing, environment configuration, and asset bundle management).
Tech Lead – Stumble Guys (6M+ MAU) at Scopely
January 1, 2023 - December 31, 2025
Led a team of 4 developers in a high-scale live multiplayer environment. Designed and implemented an OTA content delivery system using Unity Addressables to unblock store size limits and enable scalable content growth. Reduced Android ANR rate and restored safe store operational thresholds. Owned release processes and triaged cross-team issues during live ops. Designed and maintained CI/CD pipelines with GitHub Actions for building, signing, Addressables preparation, packaging, obfuscation, and environment-specific configurations.
Senior Software Engineer at Scopely
January 1, 2020 - December 31, 2023
Developed internal Unity editor tools to improve developer productivity. Optimized mobile performance and stability in live production, including rendering analysis, draw call reduction, CPU/GPU profiling, and device benchmarking. Contributed to multiplayer systems and large-scale pipelines supporting millions of users. Improved Git workflows and version control strategies; began leadership responsibilities mentoring junior developers.
Senior Software Engineer at Genera Games (Acquired by Scopely)
January 1, 2017 - December 31, 2020
Maintained and migrated multiple legacy mobile titles to Unity; improved scalability and performance across live titles. Managed third-party integrations and coordinated with external stakeholders. Delivered new features under tight deadlines while ensuring project stability.
Android & Software Developer at Various Employers / Projects
January 1, 2012 - December 31, 2017
Native Android development (multithreading, JSON parsing, API integration). Backend and cross-technology experience (PHP, Python, .NET, SQL). Tool development and automation systems.

Education

Software Engineering Degree at Universidad de Sevilla
January 1, 2012 - January 1, 2012
Software Engineering Degree at Universidad de Sevilla
January 1, 2012 - May 20, 2026

Qualifications

Add your qualifications or awards here.

Industry Experience

Gaming, Software & Internet, Media & Entertainment
    paper Stumble Guys

    Tech Lead on [Stumble Guys](https://www.twine.net/signin a live multiplayer mobile game with 6M+ monthly active users. Led a team of 4 developers across sprint planning, 1:1s and individual growth plans, while remaining 70% hands-on in a high-pressure live production environment.

    Key Contributions

    • OTA Content Delivery – Designed and shipped a content delivery system using Unity Addressables, removing store size constraints and enabling scalable content growth without requiring app updates.
    • Android Stability – Reduced ANR rate by 1%, restoring Google Play compliance thresholds and improving store health metrics.
    • CI/CD Ownership – Designed and maintained full pipelines using GitHub Actions, automating build signing, Addressables preparation, obfuscation and environment configuration across all release types.
    • Engineering Standards – Defined company-wide coding standards and led cross-team architectural reviews to raise the quality bar and protect long-term maintainability.
    • Leadership – Presented technical roadmaps to leadership ahead of critical growth phases; participated in hiring, including technical interviews and test design.

    📱 [Google Play](https://www.twine.net/signin · [App Store](https://www.twine.net/signin

    paper DREST

    Senior developer on [DREST](https://www.twine.net/signin a fashion-focused mobile experience. Focused on long-term architectural health: refactored legacy systems to reduce technical debt, identified structural weaknesses impacting performance, and proposed sustainable solutions aligned with product strategy.

    Key Contributions

    • Scalable Architecture – Led design and implementation of complex systems aligned with evolving product strategy.
    • Legacy Refactoring – Reduced technical debt and improved long-term maintainability across the codebase.
    • CI/CD & Build Automation – Owned Unity Cloud Build pipelines, implementing pre/post build scripts to automate signing, environment configuration and asset bundle management.
    • Cross-functional Collaboration – Worked closely with product, UX and engineering leadership to ensure technical decisions supported business goals.
    • AI-Assisted Development – Leveraged GitHub Copilot for architecture consultation and refactoring, consistently applying senior-level judgement to validate and override suggestions where needed.

    📱 [Google Play](https://www.twine.net/signin · [App Store](https://www.twine.net/signin

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