# Aaron Harper

> Engineer at Inngest.com

Location: Ann Arbor, Michigan, United States
Profile: https://flows.cv/aaronharper

Software Engineer

github.com/amh4r

## Work Experience
### Senior Software Engineer @ Inngest
Jan 2023 – Present
Primarily a full-stack developer, but I wear a lot of hats.

• Developed custom entitlements system. Billions of evaluations per day.
• Maintain our worker SDKs: Python, Go, and TypeScript.
• Added DataLoader to mitigate N+1 GraphQL performance issues..
• Unified 2 UIs by creating a shared component library.
• Migrated function run history store from blob store to BigQuery.
• Created integrations with third-party marketplaces (Vercel and DigitalOcean).

### Senior Software Engineer @ Blumira
Jan 2021 – Jan 2023
Primarily worked on internal developer experience projects. Secondarily worked as a full-stack developer.

• Migrated CI from Google Cloud Build to GitLab. CI runners are self-hosted in K8s, managed by Terraform and Helm.
• Expanded and standardized CI jobs: lint, type-check, test, build, deploy, notify.
• Wrote Terraform to manage existing infrastructure that was provisioned via bespoke Python scripts and manual configuration.
• Delivered a feature that lets customers reduce false alarms. Previously, this was manually configured by support.
• Created a CLI tool to improve developer experience. Initializes dev databases, wrangles dozens of Git repos, checks environment for issues, etc.
• Introduced Python type annotations into the codebase.

### Software Engineer III @ Duo Security
Jan 2020 – Jan 2021 | Ann Arbor, Michigan
Passwordless team. We built a new passwordless login product.

• Built new product that integrates with the existing platform. From inception to public beta.
• A leader for Python async/await syntax conversion.
• Created initial service mesh proof of concept (Consul).
• Unified auth prompt UI by creating shared React component library. Most of the work involved separating data and view concerns, since the auth prompts use different backends.
• Implemented Storybook-driven UI development workflow.

### Software Engineer II @ Duo Security
Jan 2019 – Jan 2020 | Ann Arbor, Michigan
Platform team. I was focused on improving the developer experience within the company.

• Added OpenAPI/Swagger.
• Migrated services from Python 2 to 3.
• Significantly expanded Python type annotation coverage.

### Software Engineer @ Altair
Jan 2018 – Jan 2019 | Greater Detroit Area
• Lead frontend developer for multiple React/GraphQL/Redux SPAs.
• Backend developer for Node microservices architecture with persistence in an ArangoDB database.
• Created GraphQL layer above existing REST APIs. Spearheaded UI migration to GraphQL.
• Migrated some services to NestJS.
• The product is an extensible CMS for computer-aided design/simulation software.

### Manufacturing Engineer II @ United States Steel Corporation
Jan 2017 – Jan 2018 | Greater Detroit Area
• Part of a team that managed steel production lines.
• Developed apps and tools for production line monitoring and improvement. Empower non-technical people to perform their own analyses.
• Created and improved computer models, which dynamically instruct production line employees based on process conditions.
• Investigated/prevented upset conditions, organized/analyzed trials, and provided data support.
• Led the daily meeting which covered recent issues and solutions.

### Manufacturing Engineer @ United States Steel Corporation
Jan 2012 – Jan 2016 | Greater Detroit Area


## Education
### BS in Chemical Engineering
University of Missouri-Columbia
Jan 2006 – Jan 2011


## Contact & Social
- LinkedIn: https://linkedin.com/in/aaronmharper

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Source: https://flows.cv/aaronharper
JSON Resume: https://flows.cv/aaronharper/resume.json
Last updated: 2026-03-22