Eric Johannsen Email & Phone Number

Irvine, Ca, Us

100% Remote, Us

Reporting to the CTO, lead a team of Infrastructure-as-Code subject matter experts to evolve Gruntwork’s Open Tofu/Terraform library.

South San Francisco, California, Us

Dama Financial exited by selling to LeafLink.As an executive team member, led a successful turnaround from high monthly burn to profitability (reduced cloud cost, improved software reliability, increased development velocity).Led Engineering’s contribution on both sides of M&A culminating in a successful exit of both business units.As CTO, I'm responsible for building a high-performance culture, continually iterating on software engineering practices, integrating multiple teams & platforms, SOC 2 Type 2 & PCI compliance, and optimizing the IT cost of operating our services while maintaining 99.99+% uptime.Implemented SOC 2 Type II and PCI certification.

Seattle, Washington, Us

GrowFlow exited by sale to Dama Financial.GrowFlow's mission is to empower cannabis businesses to grow by streamlining seed-to-sale operations from inventory and point of sale, to analytics and state reporting.At GrowFlow, I owned architectural and business strategy for key components, select and implement devops improvements, and manage direct reports. During sprint cycles, I lead teams as a hands-on contributor delivering new functionality. I work with the CTO to vet and implement software development and devops improvements.

Sebastopol, Ca, Us

Co-authored C# 8.0 in a Nutshell, which updates the successful book to .NET Core 3.0 and C# 8.0.

San Diego, Ca, Us

Responsible for machine learning, software development, and IT operations.Designed and implemented machine learning processes including industry-specific text classification, sentiment analysis, customer loyalty prediction ("who is likely to defect?"), and market segmentation based on domain knowledge supported by clustering algorithms.Automated the gathering of market research data from multiple sources, significantly reducing error rates while improving quality and speed. Improved delivery of market research data from quarterly to real-time.

Irvine, Ca, Us

Built and led a top engineering team developing cutting-edge devicefingerprinting technology. Collaborated with the CEO and VP of Product todiscover what is possible and useful to the market then built the technology,which supported very large data sets and near-real-time results.I am the inventor of three key patents relating to device fingerprinting technology.

Built a software development team to commercialize a proof-of-conceptsales and use tax calculation SaaS solution. Worked with the business side to define the future direction and worked hands-on with the programming team to get there. Created real-time integrations from diverse platforms such as SAP, Salesforce, and Quickbooks.Architected the deployment platform on AWS to minimize cost, ensureperformance and reliability, and easily scale with the business.

As co-founder and CTO responsible for architecture and implementation of software supporting Model Driven Architecture including technology to generate code directly from an architecture model.

Us

Responsible for establishing a consistent software architecture among our software products, and working with project teams to help them understand and implement the target architecture. Work with highly skilled colleagues to continuously refine the architecture.Brought Model Driven Architecture (MDA) to the company. MDA was introduced to many aspects of the business, including Business Analysis, Software Architecture, Engineering, Quality Assurance, and Documentation.Led the Systems Analysis team, which was responsible for creating the logical architecture (Platform Independent Model) of the next-generation customer care and billing system IBS.

Conneq provided an email communication platform for medium-to-large enterprises with full integration into CRM systems.Conneq was named Startup of the Year by the San Diego Small Business Council.

At a time when large enterprises struggled to understand the Internet, Blue C brought strategy consulting, media consulting & creation, and web software implementation together in one company.Key clients included Deutche Telekom, Bank Austria and Electricidade de Portugal (EDP).Key partnerships included i2 and BroadVision.Blue C went public in the German Neue Markt stock exchange.

Architect for the first e-Commerce platform for Metro Group, Europe's largest retailer.Lead development of multiple online stores representing various product categories on the common platform. The development team was located in Germany and India, with 30 developers between both locations.

Hannover, Lower Saxony, De

Key contributions: Developed a UI framework for OS2, lead the transition to 32-bit OS2 for a 20-developer project, lead the port of business tier logic from OS2 to Unix, lead the port of a large IBM mainframe application to Unix to facilitate business logic availability for TUI's first web site during mainframe maintenance hours, architected TUI's first web presence (including real-time pricing and inventory) and lead the implementation.

First professional programming engagement. Wrote ERP code for the PICK system.