Joshua Szepietowski

Senior Software Engineer

TeleSign

Jun 2020 - Current (5 years 11 months)

- First engineer hired to the Data Solutions Team. - Team is now 9 members. Participated in interviewing, training, and mentoring new hire engineers as they joined over the years. - Team's responsibilities are building an API service which communicates with data services and an ML service to provide a confidence score to our clients. - Service was built (from scratch) using Python3, FastAPI, and gunicorn. - Service is deployed to AWS ECS using Fargate, Docker, Jenkins, Git, and Terraform. - Other regular responsibilities include: - Interviewed engineering candidates - Participation in code reviews - Participate in architectural planning. - Participate in scrum routine events of course (standup, sprint planning, grooming, an

Senior Software Engineer

Ordermark

May 2019 - Feb 2020 (10 months)

- Member of the Integrations Team. - Used Python (2.7, 3+), AWS, Docker, Google Cloud - Lead effort to increase test code coverage and upgrade Python from 2.7 to 3+. - Interviewed engineering candidates, participated in code reviews.

Software Engineer

Yelp

Sep 2014 - Jan 2019 (4 years 5 months)

During my time at Yelp I was a core member of Yelp's Data Pipeline Team with duties including: - Maintenance and expansion of legacy ETL pipeline to service sales, analytics, and business intelligence. - Core developer of greenfield real-time Data Pipeline which is now processing billions of messages a day in production and forms the backbone transitioning from batch-processing to stream-processing. - Leading developer of the Application Specific Transformer system, which uses python introspection to automatically apply transformations to production optimized data streaming in to provide human analysis optimized form. - Lead development of an internal data discovery service providing much needed introspection into our real-time data pipeli

Senior Developer

Springbox, a Prophet company

May 2013 - Aug 2014 (1 year 4 months)

Full stack senior developer performing responsibilities including: - Worked in cross disciplinary teams of ranging from 2-8 people. - Interviewed engineering candidates. - Weekly interactions with multiple clients. - Headed intern and junior developer mentoring efforts. Projects I have been involved in here include: - AnalyticsDashboard, a custom project for Dell internal usage, Pancreatic Action Network internal application and public facing website. [C#, ASP.NET, Web API, T-SQL, Javascript]

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Technical Co-Founder / CTO

Hotleasecom

Mar 2013 - Apr 2013 (2 months)

HotLease.com is a new lead generation site focused on creating the ultimate lease marketplace by generating lead traffic from natural search results. I joined HotLease.com to redesign it from the pre-existing Umbraco CMS based alpha site into a Node.JS based platform which can meet the stated ambitious company goals. - Created of a technical transition plan - Refined our business and customer development plans. - Administered customer outreach surveys. - Assisted in attempts to raise investment capital and recruit personal. - Represented HotLease.com during 2013 SXSWi.

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Senior Engineer

Fitposse

Nov 2012 - Feb 2013 (4 months)

- Designed and implemented entire back and front end technology stack for a social classroom fitness education site with a casual game arcade element. - Cloud deployment: Hosted on Amazon Web Services EC2 and leveraging SaaS providers such as AWS S3, Mailchimp, GetSatisfaction, MongoHQ, AWS DynamoDB, and BitBucket. - Node.js application server using express.js and a plethora of other libraries from NPM serving JSON to a fat-client application leveraging AngularJS. - Extensive use of JQuery, LESS/CSS, and EJS/HTML. - Customized Wordpress installation and theme for site landing. - User analytics through Google Analytics and a custom solution. - Mentored Junior Programmer responsible for a game on the arcade.

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Multiple Engineering Roles

Intific

Aug 2009 - Nov 2012 (3 years 4 months)

(FOUO Name) - Lead Engineer - Unclassified DARPA PTSD diagnostic research project (C++ and C#/.NET) - Presents images, audio, video, and speech. Records input, brain waves, and audio/video from subject in a synchronized mechanism for offline analysis. NeuroStorm - Lead Engineer - (C++, Lua, and ActionScript) - Brain-Control-Interface Game presented to private audience at 2012 Google IO conference. - 3D ‘rails shooter’, scripted with Lua and SWF front end, player’s focus affects score multiplier. (FOUO Name) – Lead Engineer - (C++, C#/.NET, XML/COLLADA) - Offline content import pipeline of offline analyzed LIDAR point cloud data in COLLADA format into real time 3D environment. - Imported content directly useable in desktop training a

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Software Engineer

KingsIsle Entertainment

Oct 2006 - Aug 2009 (2 years 11 months)

Engineer on core technology team. - Design and implementation of overhaul to the UI system including font rendering system and font generation tools. (C++, C#/.NET) - Scripting system integration and development of remote debugging application. (C++, Lua, C#/.NET) - Multiple tools and scripts for increasing development productivity. (C++, Python, C#/.NET) - Design and implementation of in game tutorial system and tutorials. (C++, Lua) - Design and implementation of in game Fashion Design system including asynchronous material-based item customization engine, gameplay, and user interface. (C++) - Second-generation asset import pipeline and management framework. (C++, C#)

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Software Engineering Internship

KingsIsle Entertainment

Jul 2006 - Sep 2006 (3 months)

- Responsible for the creation of several 'mini games' (C++/Lua) - Improvements to developer tools (C++, C#/.NET)

Student

The Guildhall at SMU

Jul 2005 - Mar 2007 (1 year 9 months)

Invalid Tangram DS - Sole Developer - (ARM Assembly, C++, and C#/.NET) - Nintendo DS port of Invalid Tangram, which is an Independent Games Festival 2007 Student Showcase Finalist. - Supported 3D hardware accelerated sprite rendering and multiplayer via WIFI. Grimoire - Senior Software Engineer - (C++, C#/.NET) - Half Life 2 Multiplayer Total Conversion - Wrote several sections of the TDD and performed final quality pass. - Built configuration system allowing dynamic in game tweaking without restarting. - Particle system supporting real time composition. - Data driven spell casting gameplay system. GRENDER - Sole Developer - (C++, HLSL, and C#/.NET) - API agnostic 3D Rendering Engine - Shader effects system including CPU and GPU skel

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Intern Programmer

New Innovations Inc

Jan 2005 - Jun 2005 (6 months)

Worked mostly in VB.NET building interfaces for hospital residency management software. Was offered a position, but left to go to the Guildhall.

Joshua Szepietowski

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