Vardhan Agrawal
Verified Expert in Engineering
iOS Developer
Stanford, CA, United States
Toptal member since July 20, 2021
Vardhan has 7+ years of experience in iOS development and UI/UX design. He is the author of Mastering Machine Learning with Core ML and Python and the founder of TheOpenCode Foundation, through which he aspires to bridge the digital divide. In addition to tinkering with new projects and ideas on his own, Vardhan makes it possible for others to do the same by teaching them to code. He is also a member of tutorial teams at raywenderlich.com, Envato Tuts, Heartbeat, and freeCodeCamp.
Portfolio
Experience
- Machine Learning - 7 years
- Swift - 7 years
- iOS - 7 years
- Firebase - 6 years
- iOS UI Design - 6 years
- UI Design - 6 years
- Core ML - 6 years
- ARKit - 5 years
Preferred Environment
Xcode, iOS
The most amazing...
...thing about building apps is being able to play an active role in making somebody's dream a reality!
Work Experience
iOS Course Instructor
Razeware LLC
- Developed an extensive, high-quality video course on App Clips.
- Tech-edited several full-length articles for Raywenderlich.com.
- Created video course ideas and pitched them to the video team.
Freelance Developer
Self-employed
- Worked with over a dozen clients and maintained a job success score of 100%.
- Invited and named an Expert-Vetted Talent (top 1%) from a large, competitive pool of freelancers.
- Oversaw development, design, and technical strategy for clients ranging from passionate individuals to well-funded startups to Fortune 500 companies.
AI/Mobile and Apple Event Columnist
Heartbeat by Fritz AI
- Exclusively covered real-time Apple events such as WWDC 19, WWDC 20, and special announcements with Heartbeat.
- Produced hands-on, technical content including tutorials on machine learning and augmented reality.
- Featured as #1 on Hacker News and curated by Medium editors.
Executive Director
TheOpenCode Foundation
- Managed a team of 250+ volunteers and interns from around the world.
- Impacted 10,000 students in more than 56 countries.
- Partnered with top tech companies including Twitter and Google.
Senior iOS Engineer
Walmart
- Contributed to the Walmart product discovery pipeline on iOS.
- Developed and shipped several high-visibility features.
- Wrote high-quality enterprise-level code within a massive codebase.
Author, Mastering Machine Learning with Core ML and Python
AppCoda
- Pitched a full table of contents for a book to a top-ranked book publisher.
- Developed source code and educational materials from scratch.
- Authored a hands-on, easy-to-follow, 330+ page book on Core ML and Python.
iOS Developer
Memeois
- Worked on well-funded startup app that capitalized on meme-based social networking.
- Tracked and fixed issues using GitHub pull requests and Slack.
- Worked as part of a Scrum team that led the redesign and development of Memeois v2.
Lead Developer
Brainimath
- Built an educational math app that generated 3,000+ downloads in the first month.
- Developed a word-of-mouth marketing strategy that got the app into top charts for three countries with zero marketing spend.
- Designed clean UI/UX for easy interaction and navigation.
Experience
Mobile Health Application with Hardware Device Integration
UI/UX Design and Full-stack Development for Enterprise Drone Solution
Machine Learning Models and End-to-End System for Space Medicine
Education
Bachelor's Degree in Computer Science
Stanford University - Stanford, CA, United States
Skills
Libraries/APIs
GraphQL API, Node.js
Tools
Xcode, Figma
Languages
Swift, Python, GraphQL, JavaScript, C#
Frameworks
Core ML, ARKit, iOS SDK, SwiftUI, Combine, UIKit, React Native
Paradigms
UI Design, iOS UI Design, Mobile App Design, UX Design, Mobile Development, Model Context Protocol (MCP), Influencer Marketing
Platforms
iOS, Firebase, Jupyter Notebook, Mobile, Arduino, Raspberry Pi, Bluetooth Low Energy (LE), Amazon Web Services (AWS), Azure
Other
Design, Education, Computer Vision, Coding, Machine Learning, Drones, Mobile Apps, Brand Design, Websites, Full-stack, Front-end, User Interface (UI), Mobile Architecture, Team Leadership, Social Media Apps, Software Development Management, Unmanned Aerial Vehicles (UAV), Hardware Integration, Digital Marketing, Back-end
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