Robert Singer
Principal Engineer at DaySmart
Chicago, Illinois, United States
Summary
🤩
Rockstar🎓
Top SchoolRobert Singer is a Principal Engineer based in Chicago with a decade of experience building scalable backend systems and leading teams through product-focused delivery. He has partnered with founders, including Y Combinator-backed startups, to design and ship REST APIs, access control, reporting, payroll, CRM and integrations that directly impact customers. A longtime Django and Python practitioner, he maintains popular open-source work such as django-lifecycle, bringing declarative model hooks and rigorous testing to the community. Robert excels at simplifying complex domains, mentoring engineers, and staying hands-on with support and product feedback to keep technical direction aligned with user needs. His background in editorial work and economics gives him a rare blend of clear communication and systems-level thinking when translating ambiguous requirements into practical architecture.
10 years of coding experience
12 years of employment as a software developer
IN Bachelor of Arts, Economics and American Studies, IN Bachelor of Arts, Economics and American Studies at University of Notre Dame Notre DameUniversity of Notre Dame
Github Skills (4)
django10
python10
testing10
declarative-programming9
Programming languages (3)
Github contributions (5)
rsinger86/django-lifecycle
Mar 2018 - Jul 2022
Declarative model lifecycle hooks, an alternative to Signals.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:20 releases, 1 review, 156 commits in 4 years 4 months
Contributions summary:Robert primarily worked on implementing core features and improving the `django-lifecycle` library. Their contributions involved refactoring the API, adding new features like `before_save` and `after_save` hooks, and extending the functionality with the `is_not` condition, `was_not`, and `changes_to` to refine the callback conditions. They also introduced testing functionalities with new unit tests, ensuring code quality and proper functionality of the lifecycle hooks. Additionally, they provided packaging files and updated the project's metadata.
lifecycle-hooksdjango-modelsdjangotransition-conditions
rsinger86/drf-flex-fields
Dec 2016 - Aug 2022
Dynamically set fields and expand nested resources in Django REST Framework serializers.
Contributions:20 releases, 2 reviews, 164 commits in 5 years 9 months
django-rest-frameworknested-resourcesrestfield-expansiondjango
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