Joel Lefkowitz
Principal Software Engineer at Medtronic
London, England, United Kingdom
Summary
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Rockstar🎓
Top SchoolJoel Lefkowitz is a frontend-focused engineering leader with 7 years of experience building and scaling web applications, currently leading the Loyverse frontend team for a 1M+ download product. He specialises in driving migrations and modernisations—most recently supervising an AngularJS to Angular 15 migration—while fostering agile practices across multidisciplinary teams. Joel pairs hands-on frontend expertise (React/Angular) with infrastructure and DevOps experience, having designed AWS stacks, CI/CD pipelines with Terraform and Ansible, and supported high‑scale SPAs. He has led product-critical projects in payments, mental-health tech, and national-scale platforms, emphasising quality control and reliable delivery. Passionate about functional programming and open-source tooling, he brings a pragmatic engineering culture informed by a Cambridge engineering background.
7 years of coding experience
6 years of employment as a software developer
Bachelor of Engineering, Information Engineering, Bachelor of Engineering, Information Engineering at University of Cambridge
Stackoverflow
26reputation
2kreached
2answers
0questions
Github Skills (111)
postgresql10
package-management10
swagger10
rest-api10
cpp10
openapi10
javascript10
django10
ref10
swagger-ui10
django-rest-swagger10
rest10
database10
angular10
cpp-library10
Programming languages (8)
Github contributions (5)
JoelLefkowitz/digitalocean-cluster
Jan 2021 - Nov 2025
Contributions:28 pushes, 3 branches, 29 tags in 4 years 10 months
JoelLefkowitz/yummy-cereal
Mar 2020 - Jan 2023
Object parser and serializer factories to simplify object configurations.
Contributions:8 PRs, 56 pushes, 3 branches in 2 years 10 months
parserserializer
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