Serhat Jon Leloglu Email & Phone Number

Sunnyvale, Ca, Us

Tech Lead, Full-Stack + ML mobile-Infrastructure team* Oversaw the design and development of Federated Learning capabilities for ad targeting by a diverse team comprising 8 engineers.* Created a versatile ML task management system which allows dynamic loading of ML tasks on device and handle pre and post-processing of features in javascript and runs predictions/training/evaluation using OnnxRuntime.* Created a runbook for fast ML experimentation by using on-device signals while keeping member privacy intact.Full Stack Engineer | Mobile Infrastructure Team* Founded the build speed charter and led the development of a Python based app-slicing tool as an extension to the Bazel build system, resulting in a 5x speed improvement in cold builds for LinkedIn's flagship iOS app.* Designed and implemented auto-triggered cron jobs for creating pre-compiled modules, enabling developers to selectively work on specific modules and make the rest of the app a pre-compiled framework.* Engineered a backend system with a database for development-state metadata, facilitating framework distribution to developer machines.iOS Lead | Automated Code/System Migration Projects* Led multiple projects utilizing AST analysis and structural search/replace for automated code and system migrations.* Directed the migration of legacy APIs to newer ones and transitioned the core services container from a singleton pattern to dependency injection, modifying thousands of files across the iOS repository.

Menlo Park, Ca, Us

Tech lead on content sharing team for Horizon Worlds game * My role was to design and develop in-game systems for media capture and facilitate content sharing from the game to Facebook platform. Created secondary camera management system for photos, videos, events and 3D objects.* Handled anonymization of account information allowing members to login with Facebook but still use nicknames.iOS Lead on 360 Photos feature* Worked on the 0 to 1 implementation of 360 degree photo rendering on Facebook app.* Brought feature parity to 360 photos by implementing people tagging, ambiance audio, reactions, and other interactive elements to enhance user engagement and experience.* Created the 360 photo mode in Facebook app, allowing members to take spherical photos with just the camera on our app without needing any additional hardware.

Santa Clara, California, Us

Mall IQ provides foot traffic analysis, customer profiling, location-based marketing, and tenant analytics about shopping malls and retailers.I've built a highly configurable iOS SDK that collects relevant signals from devices and leverages AI predictions to enable real-time location tracking with centimeter-level precision in closed spaces.Key SDK capabilities include:* Easy integration into any app* GPS, region, beacon tracking, and ML for spatial data analysis (ML is commonly used as an abbreviation for Machine Learning)* Ability to adjust SDK behavior based on different levels of OS limitations and user permissions, A/B tests.

Sunnyvale, Ca, Us

iOS Lead for the Entities team (4 engineers), overseeing a comprehensive rewrite of all sections related to Jobs, Companies, Schools, and Groups in LinkedIn's flagship app.

Boston, Ma, Us

Contributed to the development of the Fuze iOS app for video conferencing, from initial concept to production, leading to its feature on the Apple App Store.

Bachelor Of Applied Science (B.A.Sc.), Computer Science

Master Of Science (Ms), Computer Science