# Jason Jacobs

> AI, Ruby On Rails, and Node Engineer.

Location: San Francisco, California, United States
Profile: https://flows.cv/jasonjacobs

Building, and shipping! 🚀

## Work Experience
### Senior Software Engineer @ Sessions Health
Jan 2024 – Present

### Senior Software Engineer @ VolumeFi
Jan 2021 – Jan 2024 | San Francisco, California, United States
- Led development of high-volume financial trading platforms using Node.js and Python.  
- Spearheaded the integration of real-time data analytics features using JavaScript, improving business insights.  
- Collaborated with cross-functional teams to design and implement scalable solutions for complex financial services.

### Founding Engineer @ Labtuit
Jan 2020 – Jan 2022 | San Francisco Bay Area
- Spearheaded the initial design and development of the company's core product using Ruby on Rails, laying the foundation for scalable and maintainable architecture.
- Implemented critical features and enhancements, ensuring high performance, security, and usability to meet the evolving needs of early customers.
- Established and enforced best practices for coding, testing, and deployment, fostering a culture of quality and continuous improvement.
- Collaborated closely with the co-founders to translate business requirements into technical specifications, ensuring alignment and feasibility.
- Played a key role in recruiting and mentoring the early engineering team, building a strong and cohesive development culture.
- Managed cloud infrastructure on AWS, optimizing for cost, scalability, and reliability to support rapid growth.
- Drove the adoption of CI/CD pipelines to streamline development workflows and reduce time-to-market for new features.
- Led cross-functional efforts with product management, design, and marketing teams to deliver a cohesive and impactful user experience.

### Senior Engineering Consultant @ Promise Software
Jan 2018 – Jan 2020 | San Francisco Bay Area

### Senior Ruby on Rails Engineer @ LegalShield
Jan 2019 – Jan 2020
- Architected an adapter design pattern to facilitate seamless integration with multiple billing companies, enhancing the platform's flexibility and scalability while ensuring robust security measures to protect user data.  
- Actively participated in weekly architecture meetings, contributing to the review and creation of new architectures, ensuring scalability, performance, and security of software solutions.  
- Mentored junior engineers, fostering a culture of continuous learning and professional growth.

### Senior Ruby on Rails Engineer @ Aquila Services Inc.
Jan 2017 – Jan 2019 | San Francisco
Aquila is a financial services company built using Ruby On Rails with a Postgres database. Sidekiq for job queues, Reactor for pub/sub event management. Operations are docker with rancher (Kubernetes).

### Senior Ruby on Rails Engineer @ Goodshop
Jan 2016 – Jan 2017 | San Francisco Bay Area
Goodshop was built using the Ruby on Rails framework with a Postgres database on the back end. We used Nginx proxies, Redis for caching, Sidekiq for job queues, and Slim with Coffeescript and Sass on the front end. For operations we used Chef and Docker.

### Senior Ruby on Rails Engineer @ Telmate
Jan 2013 – Jan 2016
Develop both applications and devices for Inmate communication, and security. Web portal is built using Ruby On Rails framework running inside of TomCat with JRuby on a MySQL database. Front end piece were jQuery, and some React. For kiosks a Ruby On Rails application communicated with devices via a web socket link. The web socket server was running the ruby event machine server (pre action cable). Device drivers were written in C++ with a Ruby interface exposed.

### Senior Software Engineer @ Coyote Logistics
Jan 2012 – Jan 2013
Develop second generation internal operation and transportation tracking platform utilizing the full Microsoft stack (ASP.NET, MVC, WebAPI, SOAP, RESTful API , WCF, SOA, T-SQL, JavaScript)

### Senior Ruby on Rails Engineer @ Telmate
Jan 2011 – Jan 2012
Develop both applications and devices for Inmate communication, and security. Web portal is built using Ruby On Rails framework running inside of TomCat with JRuby on a MySQL database. Front end piece were jQuery, and some React. For kiosks a Ruby On Rails application communicated with devices via a web socket link. The web socket server was running the ruby event machine server (pre action cable). Device drivers were written in C++ with a Ruby interface exposed.

### C++ Ruby on Rails Senior Engineer @ 4DK Technologies, Inc.
Jan 2008 – Jan 2011
4DK is a telecom middleware platform. Ruby On Rails applications would be used to prototype use cases for customers (Nextel, Alcatel, Motorola) and I would also maintain C+ + framework (with LUA scripting interoperability) for third parties to create application plug-ins within 4DK middle ware.

### Software Developer @ Retalix
Jan 2003 – Jan 2008
Developed embedded point of sale systems for fuel & convenience store market customers included; Fina/Alon, BP, Husky Oil, Pilot Travel Centers, Murphy Oil / Wal-Mart, Ikea. 
Code optimization for speed in low resource environments (Software runs on 200 MHz machines running NT to dual core 3 ghz Machines running XP). 
Integrate and develop drivers to various forms of hardware (UPC scanners, printers, Lotto machines, fuel pump systems, car washes, CCTV Surveillance, etc.). 
New GUI development (WinAPI). 
Code standardization. 
Internal, and external documentation of POS interfaces for third parties/customers. 
Traveled to customers’ locations to work with support teams, and senior staff to resolve current functionality issues. 
Be a resource to Junior and Mid-Level developers for advice from solutions, coding standards, and to do their code reviews.

### Software Developer @ Milliman & Robertson
Jan 2003 – Jan 2003
Worked in the calculations group for the world’s largest independent actuarial and consulting firms. 
Developed solutions to manage Distributed Benefit (Pension Retirement) and Contribution Plans (401k Retirement). 
All solutions are created in Delphi with a backend of SQL Server then exported to web applications through MTS (COM).

### Consultant @ RamQuest Software, Inc.
Jan 2002 – Jan 2003
Executed full life-cycle development of stand-alone vertical applications that integrates customers backends with Ramquests in order to compliment Ramquest's application suite of title software.

### Consultant @ Frito Lay
Jan 2001 – Jan 2002
Full lifecycle development of a distribution software solution for Frito Lay Supply Chain Group written in Delphi called TDS (Traffic Dispatch Scheduler) 
Manages Trip Information created by the Frito Lay ordering system. Allowing Traffic Centers the ability to handle large volumes of trips while allowing drivers to quickly and easily bid on those trips.

### Software Developer @ TRX
Jan 2000 – Jan 2001
Developed using Delphi a new RAD environment that used at its core JavaScript through the Microsoft scripting engine (Think NodeJS with WinAPI). 
Then with this RAD environment I would write JavaScript to automate procedures to our clients GDS (Global Distribution Systems used to store Travel Reservation Data)

### Software Developer @ E2 Communications, Inc.
Jan 2000 – Jan 2000
Maintain application code using Delphi for Custom web server. 
Develop user interface (DHTML / JavaScript) for our customer front end product which allows automation of interactive email solutions that enable companies to acquire, track, target, and retain customer. 
Developed a proxy server/test development environment in C++ that can proxy/test any TCP/IP connection (blocked or unblocked) and has a simple script language for automation. Maintained bug database which is written in ASP (VBS).

### Software Developer @ Internet America
Jan 1997 – Jan 2000
Developed tools in C++ to manage, and migrate databases (MySQL, comma delimited, excel, Oracle) acquired from acquisition. 
Developed applications to manage & automate the turning on of complex internet / telephony services for corporate customers.


## Education
### The University of Texas at Dallas


## Contact & Social
- LinkedIn: https://linkedin.com/in/rootedbox
- Website: https://github.com/rootedbox

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Source: https://flows.cv/jasonjacobs
JSON Resume: https://flows.cv/jasonjacobs/resume.json
Last updated: 2026-04-01