Alex Rosenfeld
Senior Software Engineer at Manifest Cyber
Boston, Massachusetts, United States
Summary
🤩
Rockstar🎓
Top SchoolAlex Rosenfeld is a Principal Software Architect based in Boston with a decade of hands-on experience designing and shipping full-stack, cloud-native systems. He excels in incident response and operational reliability, frequently diving into production issues while driving architectural improvements across .NET/ASP.NET Core, Java/Scala, and modern data stacks like Snowflake and dbt. His background spans multiple public clouds (Azure, GCP, IBM, AWS), Terraform, Kafka/Akka, and CI/CD automation with GitHub Actions and Jenkins, enabling pragmatic platform decisions in both enterprise and fast-moving product teams. Progressing rapidly through senior engineering roles at Seismic, LiquidityBook, and FactSet, he blends deep implementation skill with strategic system thinking. Outside core engineering, Alex’s early experience teaching music and advising students hints at a patient, mentorship-oriented leadership style that complements his technical rigor.
10 years of coding experience
10 years of employment as a software developer
Medfield High SchoolBachelor of Science (B.S.) Computer Science, Bachelor of Science (B.S.) Computer Science at Boston University
English, Spanish
Stackoverflow
4,263reputation
897kreached
84answers
58questions
Github Skills (200)
dashboard10
postgresql10
pnpm10
python10
windows10
grafana10
background-worker10
perl10
menubar10
ruby10
visual-studio10
macos-application10
background-thread10
elasticsearch10
webextension10
Programming languages (17)
Github contributions (5)
alexrosenfeld10/rt-kernel-test-analytics
Apr 2018 - May 2018
Contributions:16 commits, 14 pushes in 1 month
alexrosenfeld10/HotSwap
Nov 2017 - Dec 2017
Contributions:4 PRs, 113 pushes, 2 branches in 1 month
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