# Henry Koehler

> Software Engineer at Axion Ray

Location: Brooklyn, New York, United States
Profile: https://flows.cv/henrykoehler

I'm comfortable in the technical and human arenas, and enjoy seeking elegant solutions to complex problems. I bring a well-rounded, open-minded, and collaborative approach to my work as an engineer, mentor, and musician.

I currently work with Typescript, React, Node, postgres, GraphQL, Apollo Client, and Rust. 

I have experience with Docker, Kubernetes, Argo, AWS, Ruby, Ruby on Rails, and Next.ts.

## Work Experience
### Software Engineer @ Axion Ray
Jan 2024 – Present | Brooklyn, New York, United States

### Software Engineer @ Ingram Technologies
Jan 2024 – Jan 2024

### Senior Software Engineer @ Politics Rewired
Jan 2023 – Jan 2024
- Led implementation of the Assemble FormBuilder component, which allows users to create custom forms linked to an underlying postgres table; submission populates form data in the datatable via SQL function

- Led client-side implementation of subscriptions on the datatable, built custom middleware that dynamically routes requests over HTTPS or websockets (GraphQL-over-ws, Apollo Client, React, Graphql-live-query)

- Led creation of custom middleware to handle column-level permissions, dynamic table name inflection, and S3 storage (Postgres, GraphQL, postgraphile, AWS)

- Designed and led implementation of a data export feature for the Spoke product, allowing admins to export data from multiple texting campaigns at once (GraphQL, React, graphile-worker, Node)

### Software Engineer @ Politics Rewired
Jan 2019 – Jan 2023
- Ownership and implementation of many-to-many relationships in the Assemble product, allowing users to link records between datatables, with multiple GraphQL schemas governing DML and DDL mutations (Postgres, GraphQL, postgraphile, React, Apollo Client)

- Implemented key datatable functionality and performance in the Assemble product, including data entry, cell navigation, cell selection, copy/paste, and infinite scroll; allowing users to create performant, responsive tables with millions of rows (React, Apollo Client, AntDesign)

- Implemented a conversation tag editor in Spoke product, allowing admins to apply scripts, custom colors, and webhook urls to conversation tags (React, Node)

- Implemented an editing feature for canned responses in the Spoke product, allowing users to edit scripted responses to incoming text messages (React)

### General Manager @ Colonia Verde
Jan 2014 – Jan 2019 | Brooklyn, New York, United States
Led a front-of-house team of 15 during service, ensuring hospitality and customer satisfaction

Developed a beverage menu featuring rotating craft cocktails, local beers and natural wines

Oversaw inventory ordering and management


## Education
### Fullstack Web Developer
Flatiron School

### Bachelor of Arts - BA in Philosophy, Spanish
New York University


## Contact & Social
- LinkedIn: https://linkedin.com/in/henry-koehler-a73066176
- Website: https://hhk.nyc/

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Source: https://flows.cv/henrykoehler
JSON Resume: https://flows.cv/henrykoehler/resume.json
Last updated: 2026-03-23