Attila Domokos
LEAD SOFTWARE ENGINEER
with Leadership Experience 2655 Farnsworth Ln.Northbrook,
IL 60062
I am a lead software engineer with functional programming and leadership experience, with strong focus on software quality and maintainable code design.
Notable Accomplishments
- Implemented horizontal data scaling by researching and implementing database sharding.
- Built a team of 12 engineers while leading the architectural design of our application. Under my technical leadership, the company doubled its customer base, grew its revenue by 400%.
- Assisted with the process of acquiring Series A and Series B funding.
- Led several products migration of Authn/Authz to an external service provider
Open Source Contributions
- Open Source Contributions
- Creator of light-service, an open-source Ruby gem for implementing series of actions
- Authored a learning project in Haskell with small, repeatable exercises
Work History
SpotHero
Staff Software Engineer, Chicago, IL [ Sept. 2019 - Present ]
- Led the engineering on the business-to-business side of the organization
- Created KPIs and app that collected metrics for the b2b engineering group
- Designed and built Kotlin service-templates, that helped us quickly create and deploy microservices on the JVM
- Migrated Authentication and Authorization to an external service provider
- Worked across engineering teams to organize the switch-over, wrote Terraform scripts to deploy changes
- Tech stack:
- Python, Django, Go(lang), Kotlin, Kafka, Kubernetes, Docker, PostgreSQL, Terraform, Node.js
Freckle Education and Future Finance
Principal Software Engineer, Chicago, IL - Remote [ Sept. 2018 - Sept. 2019 ]
- Created a loan amortization schedule application
- Created a loan amortization schedule application in Haskell. Added the necessary connecting code to our Rails API app, which mediated between the SQL Server legacy database and our Haskell service.
- Led an in-house intro to Haskell course
- Leveraged my own learning project, Haskell Katas to teach introductory Haskell to other engineers at the company.
- Tech stack:
- Haskell, Ruby, PostgreSQL, JavaScript, React, Flow, Docker
Kenna Security
Principal Software Engineer, Chicago, IL [ Nov. 2015 - Aug. 2018 ]
- Explored Redshift as a data warehouse solution
- Evaluated AWS Redshift for our data warehouse needs. Designed a star schema with its ELT process, researched window functions to create time-series data. Created a Go application to calculate surrogate keys and built a local build process for automated testing.
- Implemented database sharding
- I unlocked my employer's unlimited growth potential by researching, designing, and implementing database sharding. Led a team of 4 engineers, we delivered our goals without slowing down app development. Built a fast, multi-threaded ETL to transfer existing clients' data into the sharded databases. Designed and built monitoring tools for the different schemas to keep them in sync.
- Shifted the company's code from monolith to microservices
- Extracted the data importer application into a queue-based asynchronous Ruby app, moved shared logic into an internal gem.
- Tech stack:
- Ruby, Go(lang), JavaScript, Ruby on Rails, RDS/MySQL, ElasticSearch, Redshift, AWS Lambda, Docker, Resque, Sidekiq, gRPC
Hireology
Chief Technology Officer, Chicago, IL [ Feb. 2013 - Sep. 2015 ]
- "Brought home" the company's application from external contractors
- As the company's first software engineer, I took over the project from external contractors. I maintained and enhanced it until the engineering team was able to take it over.
- Built a team of 12 engineers
- I hired and managed front-end, back-end, QA and site reliability engineers. Set up engineering metrics to monitor our application performance and our delivery. Crafted Engineering Core Values and made sure the team adhered to those.
- Led the application's refactoring and quality improvement effort
- Improved code quality by extracting business logic into Rails-independent service object. Added unit and Gherkin-based acceptance tests to the project, set up build process.
- Tech stack:
- Ruby, Clojure, JavaScript, Ruby on Rails, PostgreSQL, Resque
Other Work Experience
I helped Intuit - MRI Software with their new application development. I led a team that developed a Business Intelligence tool by crafting dynamic SQL scripts with the help of NVelocity templates.
I worked for Progressive Insurance as a lead software engineer on the company's policy issuance system, which was the largest software development effort in the company's history.
Speaking Engagements
- "Blowin' Up Your Database" talk at the Ruby User Group - Chicago, IL [ Mar. 3, 2018 ]
- Described how we split our customers' data into smaller, sharded databases.
- "Simple and Elegant Rails Code with Functional Style" talk at RailsConf 2013 - Portland, OR [ Apr. 29, 2013 ]
- This talk was recorded by Confreaks and can be viewed on my blog.
Education
- MS degree with a Dual-Major of Computer Science and Economics