Andrew Kallem
Senior Software Engineer at ClassDojo
Stamford, Connecticut, United States
Summary
🤩
Rockstar🎓
Top SchoolAndrew Kallem is a senior software engineer with 11 years of experience who blends hands-on engineering, product intuition, and leadership to simplify complex systems. He has led engineering teams and refactors that improved velocity and maintainability—at Signpost he owned Node.js services handling 100M contacts and built a custom CI/CD pipeline that simplified deployments for ~40 services. As cofounder and engineering lead at Flat, he navigated startup tradeoffs, and he now contributes to ClassDojo’s engineering as a senior engineer. His background spans developer advocacy at Google, indie game development with 400K+ downloads, and quantitative systems work at Goldman Sachs, giving him a rare mix of product, customer-facing, and financial-systems rigor. He mentors engineers into senior roles and has a track record of turning legacy complexity into grokkable, extensible designs. Based in Stamford, CT, he holds a master’s in computer science from Columbia and approaches problems with a maker’s curiosity and practical focus on shipping impact.
11 years of coding experience
17 years of employment as a software developer
Bachelor’s Degree Economics, Bachelor’s Degree Economics at Harvard UniversityMaster’s Degree Computer Science, Master’s Degree Computer Science at Columbia University
Stackoverflow
41reputation
1kreached
1answer
1question
Github Skills (43)
caching10
api10
sdk10
apollo-client10
graphql-client10
apollographql10
openapi10
rocket9
javascript9
java9
python9
typescript9
ui-framework9
graphql9
react-markdown8
Programming languages (5)
Github contributions (5)
akallem/Words
Feb 2015 - Jul 2015
Contributions:37 commits, 78 PRs, 80 pushes in 5 months
signpost/sequelize
Jan 2018 - Aug 2020
Sequelize is an easy-to-use multi sql dialect ORM for Node.js & io.js. It currently supports MySQL, MariaDB, SQLite, PostgreSQL and MSSQL.
Contributions:5 PRs, 2 pushes in 2 years 6 months
dialectmysqlmulti-usemariadb-mysqlnode-js
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