Zachary Robbins
Senior Software Engineer II at HubSpot
Somerville, Massachusetts, United States
Summary
🤩
Rockstar🎓
Top SchoolZachary Robbins is a Senior Software Engineer II with 11 years of experience building resilient backend systems and API tooling at HubSpot, now leading AI-driven improvements for the Calling product. He combines deep expertise in API design, OpenAPI/Swagger automation, and scalable microservice architectures with hands-on work in Java, Kafka, AWS, and Python. As a former technical lead, he’s guided cross-functional teams, instituted quarterly planning and API guardrails, and shipped tooling that serves billions of calls weekly and powers HubSpot’s developer docs. Based in Somerville, MA, he thrives on projects that have measurable user impact and enjoys translating platform-level infrastructure into smoother experiences for end users and external integrators. Not obvious from titles alone: he has a track record of turning internal developer tools into public-facing resources that reduce breaking changes and improve API quality across large products.
11 years of coding experience
8 years of employment as a software developer
High School, High School at Dennis Yarmouth Regional High School (DYRHS)Bachelor of Science (B.S.) Computer Science, Bachelor of Science (B.S.) Computer Science at Worcester Polytechnic Institute
English
Github Skills (22)
hubspot-api9
tower9
docker9
python8
edx8
ansible8
portal8
polymorphism8
openedx8
json-schema7
annotations7
json7
jackson7
api6
statistics6
Programming languages (5)
Github contributions (5)
HubSpot/mbknor-jackson-jsonSchema
Nov 2019 - Feb 2025
Generate JSON Schema draft 4 with Polymorphism using Jackson annotations
Contributions:2 reviews, 8 PRs, 43 pushes in 5 years 4 months
polymorphismannotationsgenerate-jsonjacksonjson-schema
zrrobbins/mbknor-jackson-jsonSchema
Apr 2019 - Mar 2020
Generate JSON Schema draft 4 with Polymorphism using Jackson annotations
Contributions:14 PRs, 34 pushes, 16 branches in 11 months
polymorphismannotationsgenerate-jsonjacksonjson-schema
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