Karn Ratana
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Accomplished Software Engineer with managerial background. Spent many years working with distributed teams. Focused on delivering quality products on schedule, utilizing the best technologies and practices, and helping team members excel. Experienced with small startup cultures and large corporation processes, including transitions through acquisitions.

Highlights

• Architectural designs and technical documentations
• Full Stack Developer
• .NET, C#, JavaScript/AngularJS/ReactJS, SQL Server, MongoDB, Redis
• AWS, Terraform, Git, Jenkins
• Manage remote teams including hiring, mentoring, and evaluating team members
• Collaborate with Product Managers on short term and long term planning
• Lead Scaled Agile process

Experience

2022-05 → Current
Software Engineering Manager
Indeed

• Managed a distributed engineering team working on bi-directional candidate data transfer between Indeed and its partners
• Led the product from alpha stage to initial general availability stage, growing the number of business clients by 16x and delivering 4x increase in monthly data exports within the first 12 months, with expected 100x increase in monthly data exports in the next 12 months.
• Redesigned services to be more resilient and scale independently.

2022-03 → 2022-05
Principal Software Engineer
Cox Automotive

• Designed and architected projects
• Provided documentations and diagrams
• Improve system stability and reliability

2018-02 → 2022-03
Lead Technical Architect
Cox Automotive

• Led a distributed engineering team
• Designed and architected projects
  • Cross platforms services via APIs and message queues
  • Migration to AWS
  • Blue/Green deployment
  • Disaster recovery plan
  • Single Sign-On Integration
• Provided documentations and diagrams
• Set up and maintained deployment pipeline
• Improve system stability and reliability

2016-02 → 2018-02
Software Engineering Manager
Cox Automotive

• Managed a distributed engineering team
• Guided the team through another acquisition
• Collaborated with product managers
• Scaled up the applications
• Consolidated DMS integrations
• Moved business logic from database layer into application layer

2014-07 → 2016-02
Software Engineering Manager
Dealertrack Technologies (Acquired by Cox Automotive)

• Managed a distributed engineering team
• Guided the team through an acquisition
• Improved system monitoring
• Adopted Scaled Agile process

2012-09 → 2014-07
Chief Technology Officer
ASR Pro (Acquired by Dealertrack)

• Built a remote-first culture
• Assembled and managed a distributed engineering team
• Designed and architected projects
• Supervised outsourced engineering teams and contractors

2008-11 → 2012-09
Lead Software Engineer
AutoLoop

• Developed a digital multipoint inspection and service tracking software for auto dealerships
• Created RESTful and SOAP APIs
• Integrated with third party services

2007-01 → 2008-05
Software Engineer
Super Stock

• Maintained and improved stock photography ecommerce site
• Updated web application from classic ASP to ASP .NET

2005-05 → 2007-01
Web Developer
Clayton Kendall

• Maintained and improved branding ecommerce site
• Developed a framework for branding customizations
• Developed integrations with third party accounting software

Education

MS in Computer Engineering
2003-2005 University of Florida

BS in Computer Science
1999-2003 University of Florida