Vardhan is available for hire
Hire VardhanVardhan Agrawal
Verified Expert in Engineering
iOS Developer
Location
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
Walmart
Swift, iOS, Xcode, Firebase, Figma
Razeware LLC
Swift, Education, iOS, Xcode, Core ML, ARKit, Machine Learning, SwiftUI...
Self-employed
Swift, Core ML, ARKit, Firebase, iOS, Machine Learning, Full-stack, Mobile Apps...
Experience
Availability
Full-time
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
Senior iOS Engineer
2022 - PRESENT
Walmart
- Worked on the Walmart product discovery pipeline on iOS.
- Developed and shipped several high-visibility features.
- Wrote high-quality enterprise-level code within a massive codebase.
Technologies: Swift, iOS, Xcode, Firebase, Figma
iOS Course Instructor
2020 - PRESENT
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.
Technologies: Swift, Education, iOS, Xcode, Core ML, ARKit, Machine Learning, SwiftUI, Combine, UIKit, User Interface (UI), Mobile Development, Mobile Architecture, iOS SDK
Freelance Developer
2019 - PRESENT
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.
Technologies: Swift, Core ML, ARKit, Firebase, iOS, Machine Learning, Full-stack, Mobile Apps, SwiftUI, Combine, UIKit, User Interface (UI), Mobile Development, Team Leadership, Mobile Architecture, iOS SDK, Software Development Management
AI/Mobile and Apple Event Columnist
2019 - PRESENT
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.
Technologies: Swift, Machine Learning, Mobile, Education, SwiftUI, Combine, UIKit, User Interface (UI), Mobile Development, Mobile Architecture, iOS SDK
Executive Director
2019 - PRESENT
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.
Technologies: Coding, Education, UIKit, User Interface (UI), Mobile Development, Team Leadership, Mobile Architecture, Software Development Management
Author, Mastering Machine Learning with Core ML and Python
2018 - 2021
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.
Technologies: Swift, Education, Core ML, Python, Jupyter Notebook, Computer Vision, Machine Learning, SwiftUI, Combine, UIKit, User Interface (UI), Mobile Development, Mobile Architecture, iOS SDK
iOS Developer
2018 - 2019
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.
Technologies: Swift, Firebase, Xcode, iOS, UIKit, User Interface (UI), Social Media Apps, Mobile Development, Mobile Architecture, iOS SDK, Software Development Management
Lead Developer
2014 - 2017
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.
Technologies: Swift, Xcode, UIKit, User Interface (UI), Social Media Apps, Mobile Development, Mobile Architecture, iOS SDK, Software Development Management
Experience
Mobile Health Application with Hardware Device Integration
Created the full UI/UX and developed a mobile health application and hardware device integration. This included designing the branding elements and website, building hardware using Arduino and Raspberry Pi with BLE, and developing the app in Swift.
UI/UX Design and Full-stack Development for Enterprise Drone Solution
Designed the full branding and UI/UX for an autonomous drone piloting solution. Developed the full-stack solution, including the back end, front end, and hardware communication. Filed a United States patent, which is currently pending.
Machine Learning Models and End-to-End System for Space Medicine
A machine learning-based approach to diagnose conditions associated with long-duration spaceflight. I designed and developed medical-grade software for space clinicians and astronauts to gauge intracranial, pressure-based ocular conditions.
Skills
Languages
Swift, Python
Frameworks
Core ML, ARKit, iOS SDK, SwiftUI, UIKit
Tools
Xcode, Figma
Paradigms
UI Design, iOS UI Design, Mobile App Design, UX Design, Mobile Development, Influencer Marketing
Platforms
iOS, Firebase, Jupyter Notebook, Mobile, Arduino, Raspberry Pi, Bluetooth LE
Other
Design, Education, Computer Vision, Coding, Machine Learning, Drones, Mobile Apps, Brand Design, Websites, Full-stack, Front-end, Combine, User Interface (UI), Mobile Architecture, Team Leadership, Social Media Apps, Software Development Management, Unmanned Aerial Vehicles (UAV), Hardware Integration, Digital Marketing
Education
2021 - 2021
Bachelor's Degree in Computer Science
Stanford University - Stanford, CA, United States