Sahil OS
Hi, I am Sahil
Android Developer
Engineering system views, shipped inside the phone.
Current focus
Scaling Android architecture, polished UX, and reliable delivery.
Recent status
Tech Lead at Truist with 7+ years in native Android systems.
Experienced Android Developer with over 7 years of professional experience—currently working at Truist Financial for the past 5 years. I specialize in building scalable, secure, and user-centric Android applications using modern development practices and tools.
I hold a Master’s in Computer Science from UNC Charlotte and a Master’s in Information Systems Engineering & Management from Harrisburg University. I have also published apps to the Google Play Store and previously worked as a Programmer Analyst at Cognizant.
Experience
Senior Android Engineer & Mobile Team Lead
Truist Financial • July 2020 - Present
Leading mobile development initiatives and mentoring junior developers.
Masters in Information Systems Engineering and Management
Harrisburg University of Science and Technology • 2025
GPA: 4.0 (On a scale of 4.00)
Masters in Computer Science
University of North Carolina at Charlotte • 2020
GPA: 3.7 (On a scale of 4.00)
Graduate Teaching Assistant
College of Computing and Informatics • August 2019 - May 2020
Supported computing coursework, grading, and student mentoring.
Programmer Analyst
Cognizant Technology Solutions • January 2016 - June 2017
Developed enterprise applications and maintained legacy systems.
Bachelor of Technology in Computer Science
Chandigarh Engineering College • 2015
GPA: 3.67 (On a scale of 4.00)
Projects
AndroidApr 10th, 2020
Covid-19 Tracker
Tracks the latest COVID-19 cases across the US with state-specific data. Built with Kotlin, Android Architecture Components, Retrofit, MVVM, and Coroutines.
AndroidMar 20th, 2020
CLT Central
Published on Google Play — discover Charlotte events with custom notifications and reminders. MVVM, Jetpack Navigation, Retrofit, Room, GSON, LiveData.
AndroidMar 10th, 2020
Daily Weather Radar
Daily weather and forecasts with dynamic background changes, autocomplete location search, and filters. Retrofit, MVVM, LiveData, GSON.
AndroidFeb 15th, 2020
Stocks Live!
Real-time stock updates every 3 seconds via WebSocket + REST, using RxJava, MVVM, and Google architecture components.
AndroidJan 20th, 2020
Sticky Notes App
Sticky-note style note-taking app built with MVVM and androidx, persisting data locally with Room, SQLite, and LiveData.
AndroidDec 2nd, 2019
Backpack Planner
Create or join trips, add friends, and chat in trip-specific rooms. Google Auth, Firebase, Firestore, Google Places API, and Jetpack Navigation.
ResearchApr 10th, 2019
Urban Trajectory Visualization
Visual analytics prototype for exploring massive urban taxi-trajectory datasets through interactive visual interfaces.
AlgorithmsNov 30th, 2018
N-Queens by Hill-Climbing
Solving the classic NP-complete N-Queens problem using a hill-climbing search heuristic.
AlgorithmsNov 30th, 2018
Analysis of Sorting Algorithms
Benchmarked comparison-based sorts and built a hybrid Quicksort + Insertion Sort that ran ~15% faster than plain Quicksort.
AlgorithmsSep 15th, 2018
Graph Algorithms
Single-source shortest paths (Dijkstra) plus Minimum Spanning Tree (Kruskal/Prim) on weighted directed and undirected graphs.
AlgorithmsSep 16th, 2018
8-Puzzle using A*
Optimal solution of the sliding 8-puzzle using A* graph search over the NP-hard solution space.
WebDec 30th, 2015
BugFix
A Stack Overflow-style Q&A repository / MIS app where users ask and answer questions, built with J2EE, JSP, Servlets, and MySQL.