Peter Demin, Developer in Rockville, MD, United States
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Peter Demin

Verified Expert  in Engineering

Software Developer

Rockville, MD, United States
Toptal Member Since
February 26, 2019

Peter is a software developer with more than a decade of experience in small and large-scale Python application development. He believes that to work productively on a project entirely depends on communication and transparency. Peter is meticulous with his code and has exceptional algorithm-solving skills (along with high Codility scores to prove it).


Moveworks, Inc
API Design, APIs, API Development, Python, gRPC, Protobuf, Flask, Webhooks
National Institutes of Health
SaltStack, Solr, SQL, React, JavaScript, Django, Python, APIs, API Development...
SQL, MongoDB, jQuery, JavaScript, Flask, Python, APIs, API Development...




Preferred Environment

Vim Text Editor, Python, Git, Linux

The most amazing...

...applications I've built had clear domain boundaries. I thoroughly designed them, and they've run like clockwork ever since.

Work Experience

Senior Back-end Engineer

2019 - PRESENT
Moveworks, Inc
  • Added integration for three chat platforms: Cisco Webex, RingCentral Glip, and Zoom Chat.
  • Built multi-lingual support for a conversational chatbot.
  • Organized OSS dependency management tooling and workgroup.
Technologies: API Design, APIs, API Development, Python, gRPC, Protobuf, Flask, Webhooks

Software Developer

2015 - PRESENT
National Institutes of Health
  • Created a number of mission-critical public web services for the largest open library of medicine in the world.
  • Organized top-notch development process and environment with CI/CD, auto-generated documentation, and deployment orchestration.
  • Designed a clean public API with extensive developer documentation and a simple onboarding process.
Technologies: SaltStack, Solr, SQL, React, JavaScript, Django, Python, APIs, API Development, API Design

Software Developer

2013 - 2015
  • Designed and implemented a number of web services in an extensive multi-tier project.
  • Integrated and beta-tested some of perspective company products.
  • Designed and implemented gamification elements to enhance user experience and increase customer retention.
Technologies: SQL, MongoDB, jQuery, JavaScript, Flask, Python, APIs, API Development, API Design

Software Developer

2011 - 2015
Space Experimental Design Bureau Mars
  • Refactored and documented a standard library for an embedded spacecraft system.
  • Created a toolset for the modernization of legacy software using statistical testing.
  • Participated in the advancement of navigational algorithms for the most efficient space rocket upper stage.
Technologies: SQL, C++, Python, APIs

A database and API for open health-science-related grants.

NIH Manuscript Submissions System
An interface for individual scientists and publishers to submit manuscripts for inclusion in PubMed Central library.

PubMed Central Publisher Portal
A journal submission interface for publishers who want to participate in the NIH Public Access policy.
2005 - 2011

Master's Degree in Computer Science

Moscow Aviation Institute - Moscow, Russia


REST APIs, API Development, React, jQuery, Protobuf


SaltStack, Apache Solr, Git, Vim Text Editor, Solr


Django, Django REST Framework, Sphinx Documentation Generator, Flask, gRPC


Python, JavaScript, SQL, C++


RESTful Development, Scrum, Test-driven Development (TDD), Acceptance Testing, Unit Testing, Continuous Integration (CI), Continuous Development (CD), Design Patterns, Stress Testing


MongoDB, MySQL, PostgreSQL




Debian Packaging, CSV, CSV Export, APIs, API Design, Domain-driven Design (DDD), Webhooks, Telegram Bots

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