iOS Developer

• Jan 2020 - Present

Senior iOS Developer - Hypergiant Space Age Solutions

• Mar 2019 - Aug 2019

Working in Hypergiant's Embedded Teams, implemented new features in the client's personal finance app. Was part of the client's Agile team: used Swagger, XCTest for UI tests, LeanPlum for feature flags. 100% Swift. Rescued and updated a legacy MacOS/iOS app to run in current MacOS and iOS versions. Code base was Objective-C heavy and had git submodule dependencies. Fixed longstanding UI and functional bugs in the Mac and iPad apps. Working in Hypergiant's Embedded Teams, implemented new features in the client's personal finance app. Was part of the client's Agile team: used Swagger, XCTest for UI tests, LeanPlum for feature flags. 100% Swift. Rescued and updated a legacy MacOS/iOS app to run in current MacOS and iOS versions. Code base was Objective-C heavy and had git submodule dependencies. Fixed longstanding UI and functional bugs in the Mac and iPad apps.

Recent Public Talks Given

• Dec 2017 - Mar 2019

An Approach to Managing Design in Swift iOS Apps iPhone Developers Meetup, Austin, December 2017 https://github.com/erwinmaza/ManagingDesign AR+SceneKit Tips and Tricks AltConf 2018, San Jose, June 2018 https://github.com/erwinmaza/altConf_2018 AR+SceneKit Tips and Tricks iPhone Developers Meetup, Austin, July 2018 https://github.com/erwinmaza/altConf_2018 An Approach to Managing Design in Swift iOS Apps iPhone Developers Meetup, Austin, December 2017 https://github.com/erwinmaza/ManagingDesign AR+SceneKit Tips and Tricks AltConf 2018, San Jose, June 2018 https://github.com/erwinmaza/altConf_2018 AR+SceneKit Tips and Tricks iPhone Developers Meetup, Austin, July 2018 https://github.com/erwinmaza/altConf_2018

Engineering Director, Austin

• Sep 2017 - Feb 2019

Senior iOS developer with local team and office responsibilities. Developer: Craft custom apps: architecture, infrastructure, design and networking services, custom reusable views & controls, animations and effects. App rescue: codebase evaluation, remediation planning and implementation. App maintenance: fix bugs and implement new features in legacy codebases. Manage build and release process. Enjoying the flexibility, extensibility, and safety of Swift. Team and… Show more Senior iOS developer with local team and office responsibilities. Developer: Craft custom apps: architecture, infrastructure, design and networking services, custom reusable views & controls, animations and effects. App rescue: codebase evaluation, remediation planning and implementation. App maintenance: fix bugs and implement new features in legacy codebases. Manage build and release process. Enjoying the flexibility, extensibility, and safety of Swift. Team and office: Mentor junior contributors, code review Help establish best practices for inter-role communication: design <--> engineering, project management <--> engineering, QA Create templated Xcode workspace, with command-line tools (written in Swift) to reduce new project setup from hours to minutes. End result is client-specific, custom workspace with dev, test, release schemes preconfigured for AWS, etc. Also optionally incorporates proprietary code libraries from private GitHub repos. Enhance existing networking library and create new code libraries: design infrastructure, developer-configurable console logging, QA new issue generation by shaking device. Performance instrumentation of code using new signpost framework. Business development and recruiting support. New client meetings, proposals. Engineering interviews. Show less Senior iOS developer with local team and office responsibilities. Developer: Craft custom apps: architecture, infrastructure, design and networking services, custom reusable views & controls, animations and effects. App rescue: codebase evaluation, remediation planning and implementation. App maintenance: fix bugs and implement new features in legacy codebases. Manage build and release process. Enjoying the flexibility, extensibility, and safety of Swift. Team and… Show more Senior iOS developer with local team and office responsibilities. Developer: Craft custom apps: architecture, infrastructure, design and networking services, custom reusable views & controls, animations and effects. App rescue: codebase evaluation, remediation planning and implementation. App maintenance: fix bugs and implement new features in legacy codebases. Manage build and release process. Enjoying the flexibility, extensibility, and safety of Swift. Team and office: Mentor junior contributors, code review Help establish best practices for inter-role communication: design <--> engineering, project management <--> engineering, QA Create templated Xcode workspace, with command-line tools (written in Swift) to reduce new project setup from hours to minutes. End result is client-specific, custom workspace with dev, test, release schemes preconfigured for AWS, etc. Also optionally incorporates proprietary code libraries from private GitHub repos. Enhance existing networking library and create new code libraries: design infrastructure, developer-configurable console logging, QA new issue generation by shaking device. Performance instrumentation of code using new signpost framework. Business development and recruiting support. New client meetings, proposals. Engineering interviews. Show less

Senior iOS Engineer, Staff Engineer

• Sep 2015 - May 2017

First mobile hire. Create prototype iOS app to prove out AWS infrastructure integration (auth, S3, EC2, ECS). Perform technical due diligence on potential acquisition of iOS and Android app codebases. Other projects: •• Create Java microservices to integrate with Twilio, Sendgrid APIs, and produce and consume Kafka Streams using Avro Schema registry. •• Create Python scripts to interface with Slack bots, process and create PostgreSQL data. •• Leverage AWS EC2, ECS, RDS, IAM… Show more First mobile hire. Create prototype iOS app to prove out AWS infrastructure integration (auth, S3, EC2, ECS). Perform technical due diligence on potential acquisition of iOS and Android app codebases. Other projects: •• Create Java microservices to integrate with Twilio, Sendgrid APIs, and produce and consume Kafka Streams using Avro Schema registry. •• Create Python scripts to interface with Slack bots, process and create PostgreSQL data. •• Leverage AWS EC2, ECS, RDS, IAM, Kinesis, Cognito technologies, as well as Docker. •• Implement new features in NodeJS web apps using ReactJS components. Show less First mobile hire. Create prototype iOS app to prove out AWS infrastructure integration (auth, S3, EC2, ECS). Perform technical due diligence on potential acquisition of iOS and Android app codebases. Other projects: •• Create Java microservices to integrate with Twilio, Sendgrid APIs, and produce and consume Kafka Streams using Avro Schema registry. •• Create Python scripts to interface with Slack bots, process and create PostgreSQL data. •• Leverage AWS EC2, ECS, RDS, IAM… Show more First mobile hire. Create prototype iOS app to prove out AWS infrastructure integration (auth, S3, EC2, ECS). Perform technical due diligence on potential acquisition of iOS and Android app codebases. Other projects: •• Create Java microservices to integrate with Twilio, Sendgrid APIs, and produce and consume Kafka Streams using Avro Schema registry. •• Create Python scripts to interface with Slack bots, process and create PostgreSQL data. •• Leverage AWS EC2, ECS, RDS, IAM, Kinesis, Cognito technologies, as well as Docker. •• Implement new features in NodeJS web apps using ReactJS components. Show less

Senior iOS Developer

• Jan 2015 - Sep 2015

First dev hire in a new Austin Engineering and Design studio. Maintained and enhanced existing iOS app leveraging location services, and WatchOS app. Set up and maintained Jenkins continuous integration (CI) system, with hooks into Github repo. First dev hire in a new Austin Engineering and Design studio. Maintained and enhanced existing iOS app leveraging location services, and WatchOS app. Set up and maintained Jenkins continuous integration (CI) system, with hooks into Github repo.

Founding freelancer

• Jan 2011 - Jan 2015

Freelance iOS Engineer. Past Projects: •• Traveller AR - "pre-game" screens of space-themed MMORPG iPhone game •• Financial iPhone App for Virtual Credit Card and Payment Processing company. •• Social sharing app aimed at nightlife participants •• iPhone utility app for photographers •• Social location-based personal transportation app •• Location aware deal coupon iPhone app •• Mobile commerce app (in-app design and purchase of physical goods) •• Co+op Kitchen… Show more Freelance iOS Engineer. Past Projects: •• Traveller AR - "pre-game" screens of space-themed MMORPG iPhone game •• Financial iPhone App for Virtual Credit Card and Payment Processing company. •• Social sharing app aimed at nightlife participants •• iPhone utility app for photographers •• Social location-based personal transportation app •• Location aware deal coupon iPhone app •• Mobile commerce app (in-app design and purchase of physical goods) •• Co+op Kitchen iPad recipe app •• Other client-specific work (details available on request) Show less Freelance iOS Engineer. Past Projects: •• Traveller AR - "pre-game" screens of space-themed MMORPG iPhone game •• Financial iPhone App for Virtual Credit Card and Payment Processing company. •• Social sharing app aimed at nightlife participants •• iPhone utility app for photographers •• Social location-based personal transportation app •• Location aware deal coupon iPhone app •• Mobile commerce app (in-app design and purchase of physical goods) •• Co+op Kitchen… Show more Freelance iOS Engineer. Past Projects: •• Traveller AR - "pre-game" screens of space-themed MMORPG iPhone game •• Financial iPhone App for Virtual Credit Card and Payment Processing company. •• Social sharing app aimed at nightlife participants •• iPhone utility app for photographers •• Social location-based personal transportation app •• Location aware deal coupon iPhone app •• Mobile commerce app (in-app design and purchase of physical goods) •• Co+op Kitchen iPad recipe app •• Other client-specific work (details available on request) Show less

Tech Bigwig

• Apr 2013 - Aug 2014

Having Big Fun making Bigwig Games. http://restaurantbigwig.com •• Technical 1/3 of team, together with business lead + game designer, and graphic artist. •• Built UX validation + proof of concept prototype. Then built and shipped full iPad game. •• App architect, UI/UX conceptualizer, sole developer, vision implementer, code janitor. •• App shipper. •• Graphic artist wrangler. •• Company tech infrastructure sourcing and deployment. •• Technical Overview of app features:… Show more Having Big Fun making Bigwig Games. http://restaurantbigwig.com •• Technical 1/3 of team, together with business lead + game designer, and graphic artist. •• Built UX validation + proof of concept prototype. Then built and shipped full iPad game. •• App architect, UI/UX conceptualizer, sole developer, vision implementer, code janitor. •• App shipper. •• Graphic artist wrangler. •• Company tech infrastructure sourcing and deployment. •• Technical Overview of app features: http://bit.ly/awesomeTechOverview (an overview of awesome tech, not an awesome overview of mundane tech) Show less Having Big Fun making Bigwig Games. http://restaurantbigwig.com •• Technical 1/3 of team, together with business lead + game designer, and graphic artist. •• Built UX validation + proof of concept prototype. Then built and shipped full iPad game. •• App architect, UI/UX conceptualizer, sole developer, vision implementer, code janitor. •• App shipper. •• Graphic artist wrangler. •• Company tech infrastructure sourcing and deployment. •• Technical Overview of app features:… Show more Having Big Fun making Bigwig Games. http://restaurantbigwig.com •• Technical 1/3 of team, together with business lead + game designer, and graphic artist. •• Built UX validation + proof of concept prototype. Then built and shipped full iPad game. •• App architect, UI/UX conceptualizer, sole developer, vision implementer, code janitor. •• App shipper. •• Graphic artist wrangler. •• Company tech infrastructure sourcing and deployment. •• Technical Overview of app features: http://bit.ly/awesomeTechOverview (an overview of awesome tech, not an awesome overview of mundane tech) Show less

Senior Mobile Developer - iOS

• Dec 2012 - Dec 2013

Scope, architect, build, and deliver exceptional iOS apps and solutions. Latest app: Co+op Kitchen https://itunes.apple.com/us/app/co+op-kitchen/id614767830?mt=8 Scope, architect, build, and deliver exceptional iOS apps and solutions. Latest app: Co+op Kitchen https://itunes.apple.com/us/app/co+op-kitchen/id614767830?mt=8

Senior iOS Developer

• Sep 2012 - Jan 2013

iOS App development Team lead. Co-created Ridescout initial prototype app. iOS App development Team lead. Co-created Ridescout initial prototype app.

Founder

• Jan 2009 - Jan 2013

•• News Discovery Tools for mobile professionals. ~Less Search, More Discovery~ •• Sole developer of iPhone and iPad apps, plus Ruby on Rails backend service. •• App ideation, creation, maintenance. Design & artwork. Marketing. •• News Discovery Tools for mobile professionals. ~Less Search, More Discovery~ •• Sole developer of iPhone and iPad apps, plus Ruby on Rails backend service. •• App ideation, creation, maintenance. Design & artwork. Marketing.

iOS Developer

• Jan 2011 - Apr 2012

iPhone & iPad app design, development, and rescue. Architect, lead dev, and bug-fixing roles. Projects include: •• Rise Alarm: code re-architecture, addition of in-app purchase •• CaptureNotes 2: •• •• App architect and lead developer though version 1.4 •• •• Featured by Apple as New and Noteworthy, Sept 2012 •• •• https://itunes.apple.com/us/app/capturenotes-2/id464386684?mt=8 •• •• Technologies: CoreGraphics, Messaging, StoreKit, OpenGL, CoreData, SQLITE3… Show more iPhone & iPad app design, development, and rescue. Architect, lead dev, and bug-fixing roles. Projects include: •• Rise Alarm: code re-architecture, addition of in-app purchase •• CaptureNotes 2: •• •• App architect and lead developer though version 1.4 •• •• Featured by Apple as New and Noteworthy, Sept 2012 •• •• https://itunes.apple.com/us/app/capturenotes-2/id464386684?mt=8 •• •• Technologies: CoreGraphics, Messaging, StoreKit, OpenGL, CoreData, SQLITE3, Audio, GCD, ARC, PDF, and more. Show less iPhone & iPad app design, development, and rescue. Architect, lead dev, and bug-fixing roles. Projects include: •• Rise Alarm: code re-architecture, addition of in-app purchase •• CaptureNotes 2: •• •• App architect and lead developer though version 1.4 •• •• Featured by Apple as New and Noteworthy, Sept 2012 •• •• https://itunes.apple.com/us/app/capturenotes-2/id464386684?mt=8 •• •• Technologies: CoreGraphics, Messaging, StoreKit, OpenGL, CoreData, SQLITE3… Show more iPhone & iPad app design, development, and rescue. Architect, lead dev, and bug-fixing roles. Projects include: •• Rise Alarm: code re-architecture, addition of in-app purchase •• CaptureNotes 2: •• •• App architect and lead developer though version 1.4 •• •• Featured by Apple as New and Noteworthy, Sept 2012 •• •• https://itunes.apple.com/us/app/capturenotes-2/id464386684?mt=8 •• •• Technologies: CoreGraphics, Messaging, StoreKit, OpenGL, CoreData, SQLITE3, Audio, GCD, ARC, PDF, and more. Show less

Mobile Developer

• Nov 2009 - Mar 2010

•• Worked with Qualcom's BREW MP platform to develop UI for a new AT&T smartphone (this phone was cancelled prior to launch). •• Used TRIGML for UI layer rendering, Lua for UI scripting, and C for low-level device API access. •• Worked on phone's annunciator bar (network status, current time, signal strength, etc), the dialer keypad and related screens, and the "app browser", which the user uses to manage and access the apps on their phone. •• Worked with Qualcom's BREW MP platform to develop UI for a new AT&T smartphone (this phone was cancelled prior to launch). •• Used TRIGML for UI layer rendering, Lua for UI scripting, and C for low-level device API access. •• Worked on phone's annunciator bar (network status, current time, signal strength, etc), the dialer keypad and related screens, and the "app browser", which the user uses to manage and access the apps on their phone.

Senior Engineer

• Dec 2008 - Jul 2009

•• Online banking software product. .Net stack integrated with 3rd party web services via SOAP, customized core controller and UI view layers, created user and server controls. •• Built white label online banking iPhone app. •• Online banking software product. .Net stack integrated with 3rd party web services via SOAP, customized core controller and UI view layers, created user and server controls. •• Built white label online banking iPhone app.

UI Developer

• Dec 2006 - Dec 2008

•• Sole web UI developer on the Llesiant team, maintained and extended legacy ASP/XML/XSL app. •• Created next-generation search portal product using the still evolving, beta versions of the .Net 3.5 MVC framework with AJAX extensions. •• Responsible for the entire application stack, from SQL tables and stored procedures to the CSS architecture. •• Worked with graphic artist to implement UI design enhancements. •• Modified Javascript libraries (AjaxMVC) to achieve desired… Show more •• Sole web UI developer on the Llesiant team, maintained and extended legacy ASP/XML/XSL app. •• Created next-generation search portal product using the still evolving, beta versions of the .Net 3.5 MVC framework with AJAX extensions. •• Responsible for the entire application stack, from SQL tables and stored procedures to the CSS architecture. •• Worked with graphic artist to implement UI design enhancements. •• Modified Javascript libraries (AjaxMVC) to achieve desired functionality, with support for multiple browsers. Show less •• Sole web UI developer on the Llesiant team, maintained and extended legacy ASP/XML/XSL app. •• Created next-generation search portal product using the still evolving, beta versions of the .Net 3.5 MVC framework with AJAX extensions. •• Responsible for the entire application stack, from SQL tables and stored procedures to the CSS architecture. •• Worked with graphic artist to implement UI design enhancements. •• Modified Javascript libraries (AjaxMVC) to achieve desired… Show more •• Sole web UI developer on the Llesiant team, maintained and extended legacy ASP/XML/XSL app. •• Created next-generation search portal product using the still evolving, beta versions of the .Net 3.5 MVC framework with AJAX extensions. •• Responsible for the entire application stack, from SQL tables and stored procedures to the CSS architecture. •• Worked with graphic artist to implement UI design enhancements. •• Modified Javascript libraries (AjaxMVC) to achieve desired functionality, with support for multiple browsers. Show less

Software Engineer

• May 2006 - Dec 2006

Working on an on-line banking application, implemented new UI functionality in existing C#, ASP.Net application framework, and implemented server-side image retrieval and manipulation utilities. Integrated Infragistics and custom-built controls into a highly layered, fully object oriented UI architecture. Working on an on-line banking application, implemented new UI functionality in existing C#, ASP.Net application framework, and implemented server-side image retrieval and manipulation utilities. Integrated Infragistics and custom-built controls into a highly layered, fully object oriented UI architecture.

Professional Services Consultant

• Apr 2004 - Feb 2006

•• Implementation and integration of proprietary Interactive Rules Engine with enterprise systems. •• Requirements gathering and definition, solution design, implementation, deployment, documentation, training, and support. •• Deliverables ranged from rapid, proof-of-concept, model and UI mini-projects to highly complex, year-plus-effort, enterprise solutions. •• Largest project was an insurance quote generation and workflow solution for a Blue Cross-Blue Shield organization. This… Show more •• Implementation and integration of proprietary Interactive Rules Engine with enterprise systems. •• Requirements gathering and definition, solution design, implementation, deployment, documentation, training, and support. •• Deliverables ranged from rapid, proof-of-concept, model and UI mini-projects to highly complex, year-plus-effort, enterprise solutions. •• Largest project was an insurance quote generation and workflow solution for a Blue Cross-Blue Shield organization. This very successful implementation enabled dramatic productivity gains within the underwriting department, while improving their flexibility and responsiveness to changing business conditions. Show less •• Implementation and integration of proprietary Interactive Rules Engine with enterprise systems. •• Requirements gathering and definition, solution design, implementation, deployment, documentation, training, and support. •• Deliverables ranged from rapid, proof-of-concept, model and UI mini-projects to highly complex, year-plus-effort, enterprise solutions. •• Largest project was an insurance quote generation and workflow solution for a Blue Cross-Blue Shield organization. This… Show more •• Implementation and integration of proprietary Interactive Rules Engine with enterprise systems. •• Requirements gathering and definition, solution design, implementation, deployment, documentation, training, and support. •• Deliverables ranged from rapid, proof-of-concept, model and UI mini-projects to highly complex, year-plus-effort, enterprise solutions. •• Largest project was an insurance quote generation and workflow solution for a Blue Cross-Blue Shield organization. This very successful implementation enabled dramatic productivity gains within the underwriting department, while improving their flexibility and responsiveness to changing business conditions. Show less

Developer

• Aug 2003 - Apr 2004

Refactor and improve assembly line applications. Hired on 3 month contract, which was extended to the 9 month maximum allowed for Dell contractors. Refactor and improve assembly line applications. Hired on 3 month contract, which was extended to the 9 month maximum allowed for Dell contractors.

User Interface Engineer

• Dec 2000 - Oct 2001

•• Assigned to portfolio company Perceptant, which offered a real-time financial reporting platform and applications to banks and other financial institutions, utilizing web services, XML, SOAP, and a hub architecture. •• Created Javascript/XML interactive what-if financial scenario analysis tools. •• Designed, architected, and developed the first two generations of the product user interface. •• Assigned to portfolio company Perceptant, which offered a real-time financial reporting platform and applications to banks and other financial institutions, utilizing web services, XML, SOAP, and a hub architecture. •• Created Javascript/XML interactive what-if financial scenario analysis tools. •• Designed, architected, and developed the first two generations of the product user interface.

Team Lead, User Interface Technologies

• Apr 2000 - Oct 2000

•• Developed UI architecture and technologies, based entirely on XML/XSL, and DHTML with support for co-branded "skins". •• Integrated XML technology into version 2.0 of the product. •• Developed roadmap for development of the version 3.0 interface. •• Hired and directed graphics artist. •• Trained UI team member in use of XML/XSL technologies. •• Coordinated co-branded skin and logo creation with Marketing, IT, and Support departments. •• Developed UI architecture and technologies, based entirely on XML/XSL, and DHTML with support for co-branded "skins". •• Integrated XML technology into version 2.0 of the product. •• Developed roadmap for development of the version 3.0 interface. •• Hired and directed graphics artist. •• Trained UI team member in use of XML/XSL technologies. •• Coordinated co-branded skin and logo creation with Marketing, IT, and Support departments.

Web Developer

• Aug 1999 - Apr 2000

Developed internal departmental websites. Hired on 3 month contract, which was extended to the 9 month maximum allowed for Dell contractors. Developed internal departmental websites. Hired on 3 month contract, which was extended to the 9 month maximum allowed for Dell contractors.