mobile development, cloud computing and building great software

Rob Kerr

Addicted to coding since writing my first programs for the Commodore computers in the 1980s. Currently working as an independent contractor focused on native iOS development.





Rob KerrRob Kerr

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Robert Kerr
Rob Kerr

Freelance Mobile Developer - Development Team Leader - Solution Architect


I’m a highly experienced iOS developer with a passion for developing high-quality mobile software for enterprise and startup clients. I will be a highly productive individual contributor or technical leader on your team.

At all times I’m laser-focused on delivering high-quality, innovative software solutions, conducting myself professionally, communicating effectively and exceeding customer expectations.

What I do:

If your project isn't listed, please send me a message to see if it's something I can do!

About me: I first developed software in BASIC for my parent's small business when I was 13 years old. In my spare time I enjoy restoring vintage mechanical keyboards, SCUBA diving, and traveling with my wife and two daughters.

Please don't hesitate to send me a message if you have ANY questions!


Swift, Objective-C, XCode, Interface Builder, WatchKit, CoreBluetooth, Core Data, Core Location, iBeacons, HealthKit, Keychain, MessageUI, CloudKit, Push Notifications, Animation, WebKit, iTunes Connect, Swift Migrations (1 → 2 → 3), Uber API, AWS API, Azure API, SwiftyJSON, CocoaPods, AlamoFire, Stripe, Lumberjack

Other Software Engineering: Java, JavaScript, Ionic.JS (Mobile Framework), Node.JS, Angular.JS, C#, C++, Agile/Scrum, Git, GitHub, Fabric, XCode, WebStorm, Visual Studio

Database: SQL Server, PostgreSQL, Oracle, MySQL, MongoDB, DynamoDB, Hadoop/HDFS, Netezza, Microsoft APS

Platforms: AWS (Amazon), Azure (Microsoft), BlueMix (IBM), Node.js, Microsoft .NET, Hadoop, Salesforce.com, Linux, Windows Server

Design/Visualization: Sketch 3, Photoshop, Illustrator, Tableau, Power BI




Mobile Toolworks LLC
Freelance Mobile Software Developer - Project Leader - Application Architect
2015 - Present

Developing innovative mobile solutions that enable new business opportunities. Currently working with early-stage startups and enterprise companies to deploy agile, high-performance mobile software on-premises and to public cloud infrastructures.

Recent Project Highlights:

ConMed - Led development team implementing of global sales analytics & CRM applications deployed on Salesforce and on responsive web technologies. Internal deployment. Salesforce, Angular/KendoUI

A2 Bikeshare - Developed iOS consumer application used by customers to manage rental process flow and operate bike unlocking functions via Bluetooth. Published to public App Store. Native iOS/Swift, low-level CoreBluetooth framework

Seat Side Service - Virtual CTO, lead software architect for early stage venture-funded team in development of iOS/Android solution. Published to public App Store/Play Store. Ionic, Node.js, Native iOS/Objective-C, AWS Elastic Beanstalk

Driver on Tap - Developed “Client” and “Driver” applications for iOS. Driver used by employee service providers for scheduling and dispatch, while Client is used by customers to reserve drivers and pay for services (via Stripe). Published to public App Store. Native iOS/Swift

Carrot Pass - Upgrade application for compatibility from iOS 8 to iOS 10, upgrade code for Swift 2.3 compliance, re-architect HealthKit/FitBit integration modules for latest APIs, adjust UI for XCode 8 compatibility, develop Watch application. Published to public App Store. Native iOS/Swift

BlueGranite Inc.
2006 - 2015

Played an instrumental role in the development of a Tier-1 Microsoft SI partner organization serving Fortune 1000 enterprise clients. Developed additional partnerships with Tableau and Hortonworks. Hired and developed high-performing technical professionals and consulting team leaders. Worked directly with Microsoft field sales and product engineering teams to architect enterprise software solutions, provide product design input and contribute to successful product launches.

Armstrong International
Sales & Marketing Technology Manager
2004 - 2006

Implemented CRM and engineered product configuration applications for a global industrial product manufacturer. Worked on a cross-functional, distributed team (US, Canada, China, EU). Led development of web-based and mobile software. Contributed to the development of an integrated digital strategy. Partnered with the engineering team to develop new technology-based features that enhanced the value of core industrial product lines.

Data Center Operations Supervisor
2003 - 2004

Managed multidisciplinary operations staff including Oracle/SQL Server DBAs, Network Engineers, UNIX & Windows systems administrators. Ensured 100% availability in a large-scale hosted financial services application environment. Led team that managed over 500 hosted clients and thousands of Windows and Unix hosts.

Solution Architect
2000 - 2003

Provided contract software engineering services on Web, PalmOS, Pocket PC and Windows CE platforms to enterprise and healthcare clients. Additionally provided database design and implementation services on Oracle and Microsoft SQL Server platforms. Designed and implemented e-commerce platform architectures deployed to tier-1 co-location data centers. Served as a contract technical pre-sales engineer to agency providing digital strategy and e-commerce development services.
Howe Marketing Group
Information Technology Manager
1998 - 2000

Managed team of IT specialists in support of a high-volume inbound/outbound call center serving the 10 largest global pharmaceutical companies. Re-engineered call center operational systems to leverage modern technologies. Leveraged data mining techniques to maximize sales campaign effectiveness. Managed the scale-up of mission-critical IT systems during a period of 300% business volume growth.

Keystone Systems
Solution Architect
1991 - 1998

Designed widely adopted solutions for enterprise clients to improve marketing data management, marginal contribution analysis, executive information and sales automation systems, interactive voice response, call center performance management and agricultural yield optimization.


Microsoft SQL Server MVP - 2011 - 2014
Microsoft Certifications: MCITP, MCDBA
Java Certification: JCP
US Patent: US7203626
EU Patent: EP1836585 B1


Michigan Air National Guard
Communications/Computer Operations Specialist
1991 - 1993

Radio Operator
1987 - 1992

Sergeant (E-4)

Top Secret Security Clearance


Western Michigan University
Bachelors Degree, Computer Information Systems
2001 - 2004

Computer Science
1989 - 1991