Aaron Renner Email & Phone Number

Bayfield, CO, US

Los Angeles, CA, US

Los Angeles, CA, US

Hingham, Massachusetts, US

Austin, TX, US

Austin, TX, US

Bayfield, Colorado, US

• Founded software development company focused on providing clients with high quality Ruby on Rails based solutions. Provided software development consulting to clients throughout the US. Accomplishments include:
• Worked with clients on many greenfield and existing Ruby on Rails applications.
• Provided software architecture guidance on a contract basis for large scale applications.
• Managed business operations and developed new client relationships.
• Mentored multiple junior developers and interns over the past 3 years.

Chicago, Illinois, US

Lead engineer on several projects in our microservices ecosystem. Primarily working in Elixir/Phoenix, with some Ruby and Angular.js around the edges.

• Developing a high performance Rails application which helps SaaS companies accurately calculate their earned revenue for each accounting period and comply with upcoming FASB regulations.Accomplishments include:
• Streamlined calculating deferral schedules for SaaS companies using data from the Stripe subscription API. Allowed companies report financial data with unprecedented accuracy.
• Effectively scaled the application to handle large amounts of incoming customer data with throughput regularly reaching 125 RPM.
• Worked directly CFOs of multi-million dollar companies to help them audit existing earned revenue calculations and restate earnings reports when necessary.
• Managed day-to-day operations including marketing, customer relationships, and bookkeeping.

Directed company vision and direction. Lead application developer (Ruby/Rails).This company was formed out of our 2nd place finish at the Go Code Colorado Apps competition. We were awarded a 1 year contract with the State of Colorado to operate this application and help business owners connect with other local companies that provided the services they.

• Created SchoolVault (https://www.schoolvault.net/), a Rails-based multi-district data warehouse, to help teachers easily visualize student achievement data. Automated tasks including state reporting, nightly data.
• Received regional and district recognition for SchoolVaultʼs data visualization and ease of use.
• Received recognition from regional and state-level educational agencies for automating datatransfer between student data repositories.
• Contributed to several open source ruby libraries while working on SchoolVault.
• Reduced the district laptop maintenance workload by 90% by automating software deployment andupgrades using a custom Ruby application.
• Improved state reporting efficiency by over 50% by designing audits, data-entry procedures andautomated report generation.

Exton, PA, US

• Developed large-scale workflow solutions for customers who print and mail financial statements. Created custom extensions for workflow system to solve customersʼ business needs. Led development efforts on several.
• Technical lead on mail-piece weight and thickness tracking solution.
• Analyzed and reduced processing time for several workflow steps by up to 95%.
• Prototyped and developed a new user interface for flagship workflow solution, using Adobe Flex.
• Reduced UI extension development time by > 60%.
• Achieved approval from VP of Development for ongoing project development.

Armonk, New York, NY, US

• Developed custom user-interface components for extensible web-based printing console. Created reusable Javascript components base on the YUI framework. Designed client-side record caching to efficiently display large.
• Led development of a custom javascript table which efficiently displayed millions of print documents in the browser.
• Designed and implemented a RESTful web service API capable of handling large volumes of requests.
• Collaborated with developers regarding component designs