Sean Harkin
Senior Software Engineer at Cogny
Valencia, Valencian Community, Spain
Summary
👤
Senior🎓
Top SchoolSean Harkin is a Senior Software Engineer with six years of hands-on experience designing scalable APIs and cloud-native systems, currently based in Valencia. He specializes in GraphQL, AWS Amplify, serverless architectures and CI/CD, and has repeatedly delivered robust mobile and web backends using Node.js, DynamoDB/SQL, and Elasticsearch. Sean has driven migrations from monoliths to microservices and automated infrastructure with CloudFormation, bringing operational discipline from TeamCity/Jenkins pipelines to modern serverless deployments. He balances backend depth with front-end fluency in React and Retool, having built admin panels and web apps that improved mobile testing and admin workflows. Known for onboarding and mentoring teammates, he combines pragmatic engineering with a focus on developer productivity and maintainability. A background in Electronic and Computer Engineering underpins his methodical approach to system design and data modeling.
6 years of coding experience
5 years of employment as a software developer
Bachelor's Degree Electronic and Computer Engineering, Bachelor's Degree Electronic and Computer Engineering at University of GalwayHigh School Leaving Certificate, High School Leaving Certificate at Dunshaughlin Community college
Irish, Spanish, EnglishProgramming languages (1)
Github contributions (1)
harkin-s/serverless-dynamo
Apr 2020 - May 2022
Contributions:53 commits in 2 years 1 month
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