Columbia University in the City of New York

Arizona State University

Head of Mobile for Marquee at Goldman Sachs

Brooklyn, New York, United States

Goldman Sachs

Vice President and Head of Mobile for Marquee

Mobile CRM app for all client facing personnel in Global Banking & Markets.

Bank of America Merrill Lynch

Principal iOS Developer

- App to organize analyst research for one the world's largest hedge funds
- Converted existing iPhone and iPad app from Objective-C to Swift
- Added extensive offline caching and editing capabilities

Point72

Lead iOS Developer

Startup for mobile first, stock-exchange-like investing application that harnesses the collective wisdom of customers to help determine which projects companies should develop, greenlight and fund.

Architect, Lead Developer, and Operations Management of AWS backend
- Implemented serverless architecture using AWS Lambda and Node.js
- Designed database schema and procedures using Amazon RDS with PostgreSQL
- Amazon Cognito and VPC for security and identity management
- Also using Amazon S3, Amazon DynamoDB, Amazon SNS, Amazon SES

Lead Developer for iOS frontend app
- Implemented completely nibless architecture using Swift
- server integration with AWS Lambda, AWS IoT, and Amazon Cognito
- modern material design with 45 screens and counting
- in-app analytics with charts and graphs
- display and upload of images and videos using secure S3 links
- Integrates social logins Google, LinkedIn, and Facebook

Oversaw Development for Android frontend app
- implemented in Kotlin
- mirrors all features in iOS app

Oversaw Development for Web app frontend
- Implemented in React JS
- mirrors all feautres in iOS app

Designed reputation engine using artificial intelligence / machine learning

FastFocus

Chief Technology Officer

- Created mobile platforms for multiple clients in conjunction with UX/UI/Graphics Designers.
- Extensive use of videos, image caching, endless scroll, and social media integration.
- Official iOS application for Miss USA. (20 screens, released to store)
- Onsite ordering system for Allied Building Products, a national distributor for commercial building materials (30 screens, api, released to store)
- Social platform for small businesses to connect for large cable company (10 screens, api, backend, pending release)
- Real time sports video sharing platform for funded startup (25 screens, backend, pending release)
- Developed for iOS (iPad and iPhone) using Swift and Objective-C
- Some projects did backend work as well in Golang w/ Google App Engine.
- Back-ends were Google App Engine w/ Go and AWS
- Managed and mentored both off-shore resources and on-site developers.

Applico

Lead iOS Engineer

- Self-funded startup creating complete general accounting package for mobile devices
- Includes Time & Billing, General Ledger, Accounts Payable, Accounts Receivable, and Cash Receipts
- Developed for iOS using Objective-C & Swift
- Back-end is Amazon Web Services with EC2, S2, RDS (Postgres), and Route53
- Also created developer utility released on App Store: zaqada font picker

Zaqada

Developer and Founder

- Angel funded startup creating a lightweight mentor network to connect alumni and undergraduates
- Developed a mobile application for iOS using Objective-C
- Also developed a completely responsive html & css web site that scaled from desktop to phone
- Front-end was AngularJS, JavaScript, and Bootstrap; back-end was Scala, nginx, Jetty and mongoDB

ProConvos Inc.

- Led small teams in developing data warehouse reporting and security master software for hedge funds
- Developed P&L reports, Exposure reports, Winners & Losers, and AUM Performance reports, as well as an interactive position aggregation interface for Operations, Risk, and Portfolio Management
- Deep integration with Geneva, Axys, Citco, and Bloomberg for End-of-Day processing and reporting
- Principal Architect for all client facing UI products
- Worked directly with key hedge fund executives to specify and implement custom requirements
- Financial experience with all instruments: Equities, Bonds, Options, Futures, Swaps, Bank Debt, etc.
- Developed in C#, Silverlight and WCF using .NET Framework 4.0
- Designed multi-tier, multi-user system: web server, application server, and database server
- Database was SQL Server 2008 R2. Extensive use of T-SQL in stored procedures, functions, and views.
- Systematic use of Agile methodologies in development, including refactoring, self-documenting code, unit tests and decoupled and highly cohesive code
- Used Scrum for project management.

MIK Fund Solutions

Project Lead

- Lead developer in architecting and programming complete accounting package for law firms
o	Includes Time & Billing, General Ledger, Case Management, Accounts Payable, Accounts Receivable, Cash Receipts, Contact Management, and Conflict
o	Extensive on-screen reporting with PDF/Excel printing capabilities
o	Used in dozens of large law firms nationwide
- Server is highly multi-threaded and scales to hundreds of simultaneous users
- Highly secure, with SSL connections, site authentication, and use of both symmetric and asymmetric key technology
- Developed in C# for WPF and WCF using .NET Framework 3.0 and 3.5
- Originally developed in Delphi using DCOM
- Designed and created SQL database with hundreds of tables using MS SQL Server and extensive use of normalization and database integrity constraints
- Original SQL database was Interbase and Firebird
- Extensive object-oriented design work with UML and software patterns
- Worked closely with clients in designing and developing new features

Luke Tigaris