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Dmitry Cheryasov

A hands-on senior engineer / tech lead position.
While backend-leaning, I can comfortably work anywhere across the stack.
I value autonomy and strive to understand, design, and build the thing the business needs.
I strive working close to product and, if lucky enough, end users.
I enjoy building things from an idea all the way to production.
I'm fine with wearing many hats, and love learning new things.
I prefer building the right thing without haste, but know how to ship important changes sooner.

Architecture: monolithic, microservices, distributed, event-based.
API design: RESTful, GraphQL, gRPC, etc. OpenAPI.
Python: since 1990s. Django, SQLAlchemy, FastAPI, Flask, etc.
Javascript: since 2003, Typescript: since 2020. Node.js, React, Next.js, etc.
SQL and NoSQL databases: since 1990. Postgres, MySQL, SQLite, etc. Redis; Cassandra.
Java: since 1990s. Spring Boot, Gradle, etc.
Testing: unit, functional, integration. CI/CD.
Linux, my daily driver.
Cloud: AWS EC2, S3, RDS, SQS, ECR, EKS, Lambda, etc. Docker, Terraform, k8s.

Clear, constant communication and trust among team members, teams, and stakeholders.
Simple, orthogonal, observable, evolvable systems.
Best practices, pervasive testing and static checks, FP; thoughtful code review; automation.
Noticing future problems early on, and avoiding nasty surprises.

Architected and implemented several highly visible features.
Coordinated product, mobile, and backend engineers; provided for parallel development of backend and frontend.
Improved speed and quality of backend code. designed and evolved the API.
Improved speed and quality of backend tests and CI/CD.
Python, Django, Postgres, Redis. AWS, Kubernetes.

Worked in FB Messenger's data API layer. Built service-specific interfaces to the messaging fabric for the various internal users.
Hack (the language), non-public tools and frameworks.

Reworked the architecture of authentication and authorization, improved the local development environment.
Designed and implemented backend services, parts of Web frontend.
Improved engineering processes: code review, testing, requirements gathering and design.
Conducted and actively improved hiring interviews.
ES6, React, Node.js, Python, Postgres, Docker. AWS (EC2, Lambda, CloudFormation, etc).

Built data cleaning, import, and export pipelines with third parties and for acquired properties.
Python, Java, SQL, Cassandra, Spark, queues. AWS, SOA.

Built or improved various internal tools at Google NYC as a contractor.
Worked closely with the prospective users, gathered requirements, discussed designs and prototypes.
Python, Java, various forms of RPC, Javascript (server-side and client-side). SQL and NoSQL databases.

Worked on PyCharm since inception until release 1.2.
Determined and built most of the basic features to help assess the viability and market fit of a new Python IDE.
Java, Python (great many variants). A fully remote team.