Jason C. Keller
Verified Expert in Engineering
Machine Learning Developer
Nashua, NH, United States
Toptal member since November 17, 2016
Jason has a great breadth of experience in physics, signal processing, and app development. His quickness in identifying simple, clear, modular approaches enables him to design systems that are expandable, stable, transparent, and maintainable. He uses portable frameworks wherever possible (Docker, MVC/EF/ASP.NET Core) to continually drive simplicity, portability, and to best leverage advances made by the greater development community.
Portfolio
Experience
- Machine Learning - 12 years
- C# - 11 years
- Multithreading - 10 years
- ASP.NET MVC - 9 years
- Azure SQL Databases - 7 years
- Git - 5 years
- Docker - 2 years
Availability
Preferred Environment
GitHub, Windows, CentOS, Visual Studio Code (VS Code)
The most amazing...
...thing I've built is a fully automated test suite for phased array antenna calibration, programming, testing, system simulation, and plotting.
Work Experience
Back-end Developer
Stone Trash (via Toptal)
- Developed a secondary online market for stone remnants for Stone Trash; did this while working with the Client’s technical lead and another TopTal mobile developer.
- Matured the value proposition of the platform as well as handling the purely technical work.
- Maintained separate environments (including databases and configurations) for nightly, development, and production builds which allowed a progressive integration between the web, mobile, and API hosted front ends.
- Coordinated the work via web-based telecon, screen sharing, Trello, Slack, and the Visual Studio Team Services wiki.
- Defined and produced the API, database design/interface, authentication, and third-party integrations (Stripe, SendGrid, Google geocoding, Cloudinary, and Expo).
- Defined a scheme for the secure, common access of our API by third parties.
Senior Principle Software Engineer
BAE Systems, Inc.
- Currently leading $4M (my team) development effort for a modern, microservice-based, containerized application with full Continuous Integration testing and deployment pipeline. Breaking new ground within the company. This is being watched with enthusiasm to set new processes within the company.
- Successfully led development of $1.75M (my team) effort which resulted in retention of $1B business opportunity. Individually recognized as a “cornerstone” of the program and received 3 off-cycle raises and 2 promotions as a result of this execution.
- Architected and led the development and integration effort on highly complex, high performance, cross-platform, automated test, and simulation system for a missile warning system.
- Designed and produced suite of tools to fully automate and optimize the calibration and test of a phased array antenna, including development support, FPGA data streaming, and safety interlocks.
- Produced a quick-turn demo to evaluate and visualize effects of OLED burn-in for custom optical system which led to a green-light for that technology.
- Pitched and produced neural network based model for unique proprietary application to greatly increase accuracy of complex prediction versus prior incumbent techniques.
- Designed and produced novel communication channel algorithm to achieve unprecedented signal integrity for target environment. Patent invention submitted.
- Won the following 2017 awards: Pioneer Award (twice).
- Won the following 2016 awards: Technical Achievement Award, Pioneer Award, and Chairman's Award Nominee.
- Was awarded in 2015 the Pioneer award (twice).
- Won in 2012, the Technical Support of the Year award.
- Was awarded in 2007 the Chairman's Award Nominee, Special Recognition Award, and Invention Selected for Patent.
Developer
Boss Wigglers (via Toptal)
- Worked with Toptal projects team members and the client to formulate a design for a new social media platform.
- Produced an estimate covering development activities that lined up with design estimate from fellow project team member.
- Impressed the Toptal project team with the detail and thoroughness of the final estimate.
Managing Member
Nica Gems, LLC
- Developed streamlined customer/admin/shipper web interfaces.
- Covered and automated tasks such as account detail modification, inventory management, shipping label purchase/print, image manipulation/storage, search engine advertising tie-ins, and analytics.
Proprietor
Slick Talent Management/Lucid Talent Management
- Built a massively scalable talent management portal to rival PeopleSoft at 10% of their maintenance fee.
Proprietor
SimpleQ
- Developed a robust, distributed, and massively scalable cloud service architecture targeting a very low-cost service with a large customer base.
- Partnered with a seasoned sales associate to refine and market service.
- Built a slick user interface and real-time billing visibility.
- Developed an SMS interface that reaches a broad customer base with Android, iPhone, WinPhone, UWP cross-platform apps to follow leveraging Xamarin Forms.
Managing Member
Premier Party Excursions, LLC
- Developed an IP to facilitate group formation and drive down cost per head, among other unique trade secrets that give our approach unique advantage.
- Navigated the regulatory environment in this industry to pinpoint our niche.
- Sought financing for our initial idea.
Chief Technical Contributor | Architect | Developer
JETSoft LLC
- Developed high-performance render engine targeting lower-performing PCs in order to provide rich interaction for underserved customer base.
- Met with potential clients, negotiated terms, developed contracts.
Experience
Nica Gems Jewelry Website
Various tasks were streamlined such as shipping label purchase/print, image manipulation/storage, search engine advertising tie-ins, analytics, and sync with other online marketplaces.
Education
Master of Science Degree in Electrical Engineering
Worcester Polytechnic Institute - Worcester, MA, USA
Graduate Certificate in Engineering Leadership Development Program
BAE Systems, Inc. - Nashua, NH, USA
Bachelor of Science Degree in Electrical Engineering/Computer Engineering
Western New England College - Springfield, MA, USA
IKON Tech 2000 Program Certificate in IT Administration
IKON Office Solutions - Albany, NY
Certifications
Blockchain Specialization
Toptal, Inc.
Microsoft Certified Solutions Developer: App Builder (ID: F812-1566)
Microsoft
Microsoft Certified Solutions Developer: Web Applications (ID: F139-0373)
Microsoft
Microsoft Specialist: Programming in C# (ID: E811-2502)
Microsoft
Microsoft Certified Systems Engineer
Microsoft
Skills
Libraries/APIs
Stripe, jQuery, Azure Blob Storage API, Entity Framework, Stripe Connect, Stripe API, Google Geocoding API, EasyPost, Twilio API, Windows Forms (WinForms), SignalR
Tools
Microsoft Visual Studio, Git, GitHub, RabbitMQ, MATLAB, Subversion (SVN), Azure App Service, Google Analytics, Ansible, cURL Command Line Tool, SendGrid, Slack, Trello, Weka, Docker Compose, Jenkins, Bitbucket, Jira, Let's Encrypt, Dotfuscator
Languages
C#, VHDL, JavaScript, C++, Java, C, CSS
Frameworks
ASP.NET Core, ASP.NET MVC, Entity Framework Core, Entity 6, .NET Core, Angular, AngularJS, Bootstrap
Paradigms
Concurrent Programming, Model View Controller (MVC), Cross-platform, Agile Software Development
Storage
JSON, Azure Websites, Azure Cloud Services, Azure Blobs, Azure Queue Storage, Azure SQL, Azure Cache, Redis, Azure SQL Databases, Azure Table Storage, MySQL, MongoDB
Platforms
Blockchain, Linux RHEL/CentOS, Visual Studio Code (VS Code), Docker, Linux, CentOS, Bing Ads, Twilio, Azure Functions, Windows, Universal Windows Platform (UWP), Social Media Advertising
Other
Pub/Sub, Software Architecture, Multithreading, Ajax, Resource Contention Mitigation, SMS, Signal Processing, GPS, Android Emulators, Cloudinary, Encryption, Enterprise Messaging Services, Xamarin.Forms, Machine Learning
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