Dmitry Cheryasov

• dmitry.cheryasov@gmail.com
• stackoverflow profile: user:223424
• Permanent US resident; Brooklyn, NY

What I know

• “Make it as simple as possible, but not simpler”
• “Right tool for the job”
• “Do one thing but do it well”
• “Ask why five times”
• The Pareto principle.
• The Hofstadter’s law.

Key skills

• Translating between business and engineering languages.
• Sharing knowledge and helping other developers.
• Seeing problems early on.
• Generalizing and simplifying.

Technologies

Most experience

• Java: since 1990s.
• Python: since 1990s.
• SQL: since 1990s.
• JavaScript (browser, Node): several recent projects.
• Microservices, SOA, distributed architectures.
• Testing: unit, functional, integration.
• Linux.

Less experience

React, EC2, S3, EMR, AWS Lambda, Spark, Scala.

I wish I could use these more

• Functional and reactive approaches.
• Machine learning.
• Kotlin, Typescript, Scala, Rust, Haskell.

What I try to avoid

• Full-time people management.
• Heavy multitasking.
• Quickly producing throwaway prototypes.
• Releasing on a Friday night (unless many releases a day are routine).
• C++, Go, PHP, MongoDB as centerpieces of my work.

Where I worked

Click Therapeutics: 2019-2020

• Architecture work on authentication and authorization.
• Architecture work on a local development environment.
• Implementing and maintaining backend services.
• Designing and implementing pieces of Web frontend.
• Improving engineering processes.
• Conducting and actively improving hiring interviews.
• ES6, React, Node.js, Python, Postgres, Docker. AWS (EC2, Lambda, CloudFormation, etc).

GrubHub, Inc: 2016-2019

• Mostly data integration with third parties.
• Python, Java, SQL, Cassandra, Spark, queues. AWS, SOA.

Handshake Corp: 2016

• Work on the backend of a sales support product.
• Python, SQL, Javascript (server-side and client-side).

EPAM Systems: 2011-2016

• Contractor for Google NYC. Various internal tools.
• Python, Java, various forms of RPC, Javascript (server-side and client-side). SQL and NoSQL databases.

JetBrains: 2008-2011

• Worked on PyCharm since inception until release 1.2.
• Java, Python (great many variants). A distributed team.