# Daniel Rassiner

> Backend Ruby on Rails Developer | Ruby Enthusiast | Open Source Contributor | Software Developer

Location: Costa Mesa, California, United States
Profile: https://flows.cv/danielrassiner

I am a Software Developer who specialized in Backend Development with Ruby/Rails, but am able to work in multiple other languages including C# and Typescript.

## Work Experience
### Senior Software Engineer @ Maximus
Jan 2024 – Present

### Software Engineer @ Maximus
Jan 2023 – Jan 2024

### Backend Rails Developer (Contributor) @ Kitsu
Jan 2016 – Jan 2023 | Remote
JSONAPI to GrapQL Conversion:
  - Setting up the architecture for queries and mutations
  - Converting all models to be part of the graph, and simplifying the ways users will be able to interact with them.
  - Multiple features implemented including data-loading, pundit authorization, and better error handling for mutations
  - Custom analyzer to limit the amount of data allowed to be queried at once.
  - Built generic way for mutations to be utilized in basic CRUD manner, and additional mutations for specific cases.

Built out features including:
  - Multiple imports from 3rd party sites into Kitsu
  - Account Integrations (urls) with external services

Kitsu Wiki: (new tool)
  - Implement an easy to use wiki editor that will allow us to keep our data more organized and clean.
  - Being built using React + Typescript and interacting with our GraphQL API

### Software Engineer III @ ATM.com
Jan 2022 – Jan 2023 | Costa Mesa, California, United States

### Software Engineer II @ ATM.com
Jan 2021 – Jan 2022 | Costa Mesa, California, United States
• Implemented and maintained the Rails & GraphQL application with over 500k users
    o Implemented the backend for an in-app offer wall responsible for 75% of company revenue
    o Implemented the backend for an in-app survey wall which increased ARR by $70k and ARPU by $0.25
• Migrated millions of records to substitute the core data model with zero impact to production and adhere more to an adtech data-model
• Main point of contact for addressing urgent business issues related to the advertising operations side. Served as bi-weekly on call to help with any issues
• Instrumental in setting up multiple dashboards, alerts, and monitoring, in which I resolved many production issues
• Onboarded and mentored new team member which enabled him to complete smaller stories independently

### Integrations Engineer @ Mavenlink
Jan 2019 – Jan 2021 | Irvine, California
- Created/Updated multiple customized and productized integrations between Mavenlink and External Platforms including Netsuite, Jira and Xero.
- Created a tool to help improve the internal documentation for all the different scenarios/integrations (ruby gem to scrape data, react + typescript frontend, rails + GraphQL API)
- Helped extend core functionality of our platform, including refactoring code, writing more reusable code, and teaching teammates about OOP best practices. 
- Mentored new teammates in getting up to speed with our platform.

### Software Developer I @ Experian Consumer Services
Jan 2017 – Jan 2019 | Costa Mesa, CA
Creating MicroServices with C# and dotnet core 2.x
Create/Maintain Jenkins Tools with Ruby 2.4
  * Update existing code to support new features being implemented
  * Help fix any errors that developers run into while using the tools.
QA Automation with cucumber/minitest and ruby 2.4
  * Create integration tests to replicate different user scenarios
  * Create end to end tests combining multiple scenarios together. 
Create Internal Tool made with Laravel 5.x and Php 7.x
  * Integrate with multiple AWS services, GitHub SDK, and OAuth2.

### Full Stack Developer @ FADM
Jan 2016 – Jan 2016
- Heading the majority of backend development.
- Customizing ES6 architecture
- Setting code standards and best practices.
- Pair programming with other developers.

### Internship @ Gerber & Co., Inc.
Jan 2012 – Jan 2014 | 1880 Century Park East
My responsibilities were those of an aide: filing, mailing lists, etc.


## Education
### B.S of Web and Graphic Design in Web Development
The Art Institute of California-Los Angeles
Jan 2012 – Jan 2016

### Rails Web Developerment
Bloc
Jan 2015 – Jan 2016


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

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