Karn Ratana
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A software engineering leader with 9 years of management experience and 19 years of software development. Strong focus on delivering quality products on schedule, utilizing the best technologies, and helping team members excel. Experienced with small startup cultures and large corporation processes, including transitions through acquisitions.

Highlights

• Collaborated with wide range of stakeholders such as project managers, engineering directors, UI/UX, clients, and third-party partners
• Coordinated cross team projects
• Managed remote teams including hiring, mentoring, and evaluating team members
• Architectural designs and technical documentations
• Full stack developer background
• AWS (ASG, Beanstalk, Dynamo, Kinesis, Lambda, Lex, SNS, SQS, etc.), Terraform, Jenkins, Git

Experience

2022-05 → Current
Software Engineering Manager
Indeed

• Managed a fully remote team of 10 engineers, working with multiple PMs, and delivering multiple high priority projects simultaneously.
• Built bidirectional candidate data integrations to and from ATS partners, which became the foundation for multiple Indeed features and offerings.
• Scaled the integrations with 3x increase in traffic in the last 12 months with faster growth expected as more integrations go live.
• Led the team on a joint project with multiple orgs on delivering new features in preparation for new subscription model.
• Supported a joint project where all Hosted Jobs features are available to Indexed Jobs, increasing potential revenues by $880M annually.
• Collaborated with multiple Indeed teams in a joint effort to consolidate duplicate features between Enterprise org and SMB org, leading to labor and infrastructure cost savings.

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

• Led a distributed engineering team, working on digital multi-point inspection and service tracking software for auto dealerships.
• Implemented Blue-Green deployment which eliminated deployment downtime, provided quick rollback, and improved testing process.

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

• Led a distributed engineering team by providing technical guidance, mentoring software engineers, and fostering innovation.
• Collaborated with project managers, product and engineering directors, and UI/UX designers.
• Designed and successfully migrated applications and infrastructure to AWS within the requested timeline (12 months).
• Optimized database queries, with up to 95% improvement on search features.

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

• Managed a distributed, 9-person engineering team through a large acquisition by collaborating with new Product Managers, consolidating Dealership Management software integrations, and migrating infrastructure to different data centers while scaling applications for a 200% wider customer base.

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

• Scaled an automotive dealership digital multi-point inspection and service tracking software by 300% customer base, while guiding a distributed engineering team of 7 through an acquisition (from startup to enterprise) by adopting Scaled Agile process and migrating infrastructure between large data centers.

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

• Led the engineering department of a startup, building one of the first fully electronic vehicle multi-point inspection software. Introduced and fostered a remote-first culture. Coordinated with Product, Sales, and Support to ensure the success of the company, which eventually ended with an acquisition. Even though the software had changed names through multiple acquisitions, it remained one of the best in its class.

2008-11 → 2012-09
Lead Software Engineer
AutoLoop

• Developed a digital multi-point inspection and service tracking software for auto dealerships.

2007-01 → 2008-05
Software Engineer
Super Stock

• Maintained and improved a stock photography e-commerce site.

2005-05 → 2007-01
Web Developer
Clayton Kendall

• Maintained and improved an e-commerce site.

Education

Master of Science in Computer Engineering
2003-2005 University of Florida

Bachelor of Science in Computer Science
1999-2003 University of Florida