Yahia Abusaif

Experienced Software Engineer with a focus on full-stack development, scalable system design, and performance optimization. At Microsoft, led SLA improvements that raised P0 domain availability to 98%, enhancing reliability and cross-team alignment. At Sahl, delivered end-to-end features that contributed to 11× traffic growth and a 16% boost in conversion rate. Known for strong ownership, data-informed decisions, and a track record of delivering scalable solutions.

Software Engineer

Microsoft – Cairo, Egypt (May 2024 – Present)

• Was re-architecting the Campaign Enablement Process, leading a prioritization workstream to improve domain reliability (P0 to 98%).
• Was mentoring junior engineers and leading sprint planning while building tools for SLA tracking and campaign insights.
• Designed a GPT-based domain classification pipeline that cut manual effort and improved accuracy significantly.
• Built an internal tool and dashboards for campaign lifecycle tracking, driving visibility and boosting revenue.
• Skills: C# (.NET Core), Python, Azure, SQL, Scope (data lake), NoSQL (Cosmos DB), Git, Data Analysis, Planning, Power BI.

Software Engineer II

Sahl – Giza, Egypt (Feb 2023 – Apr 2024)

• Was owning the mobile app lifecycle and improving performance, onboarding, and architecture to support growth.
• Was aligning engineering with product goals by leading OKR planning and collaborating across product, design, and support.
• Spearheaded integrations with key service providers, expanding platform reach and unlocking new revenue streams.
• Enabled an 11× traffic increase and a 16% boost in conversion rate through performance and UX improvements.

Software Engineer

Sahl – Giza, Egypt (Jan 2022 – Feb 2023)

• Was launching account features like settings, deletion, biometrics, and third-party sign-up to enhance user control.
• Built a microservice for notifications, decoupling logic and improving delivery and engagement.
• Was building a data platform with Segment, Mixpanel, and GA, and adding remote config for A/B testing and dynamic control.

Bachelor's in Computer Engineering, Cairo University (2015 – 2020)

• Eagle Eye - Graduation Project: Desktop application for satellite image segmentation and illegal building detection. View Project
• Hand Sign Game: Real-time interactive game using Python and a camera. View Project
• Sports Club Database: Desktop application using C#, migrated from SQL to NoSQL for performance comparison. View Project

• MVC .NET Website (2021): Online movie store using ASP.Net. View Project
• Udacity Data Analysis Nanodegree: Completed hands-on projects in Python, data wrangling, and visualization.
• ACM ICPC Regional Contest: Placed 37th in ECPC 2018; qualified for ACPC 2018.
• Problem-Solving Training (2016–2019): Focused on algorithms and data structures using C++.

• Programming Languages & Cloud Solutions: C#, Dart, Python, C/C++, Git, AWS, Microsoft Azure, Firebase
• Frameworks/Tools: .NET, .NET Core, ASP.NET, Flutter, EF, Entity Framework, Software Testing, REST APIs
• Data Storage, Analytics & Visualization: RDBMS, SQL, NoSQL, Cosmos DB, SQL Server, Scope, Power BI, MySQL, SQLite, DataLake, MongoDB, Mixpanel, Segment, Document database
• Other: Data Structures & Algorithms, Data Analysis, Design Patterns, Documentation, Data Science, Planning, Big Data, CI/CD, OKR, Docker, Figma, Google Analytics, Grafana, LLM, Marketing, Microservices, Product Management, ClickUp, JIRA
• Languages: Arabic, English

Available on LinkedIn — including endorsements from colleagues and managers.

• Arabic (Native)
• English (Fluent)