Dmitry Viskov - Technical Lead at AgVend

Dmitry Viskov

Technical Lead at AgVend

Yerevan, Armenia

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Summary

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Senior

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Top School

Dmitry Viskov is a Technical Lead with 12 years of hands-on experience designing and shipping high‑load web services and API backends across Python, PHP and JavaScript stacks. He leads cross-functional teams and architectures—recently steering platform and API work at AgVend—while maintaining a deep practical mastery of Django, Tornado, Celery, React/Redux and database systems including Vertica for analytics. A longtime contributor to Open edX (edx-platform and edx-ora2), he blends backend data-aggregation improvements with front-end UX fixes, showing strength across the full stack. Dmitry pairs operational expertise (Linux, nginx/apache, RabbitMQ, Redis, Jenkins, Sentry) with a track record of performance tuning cloud file-storage platforms and building custom frameworks. He holds an MSc in Mechanics and Mathematics and publishes open-source tooling (e.g., a PyLTI1.3 library and a PHP app framework), reflecting a practical drive to make developer ecosystems better. Colleagues rely on him to turn complex integration requirements into maintainable, production-ready systems.

12 years of coding experience

15 years of employment as a software developer

Master of science Mechanics and Mathematics, Master of science Mechanics and Mathematics at State University of Nizhni Novgorod named after N.I. Lobachevsky (UNN)

Английский, Русский

Stackoverflow

Stats

277reputation

24kreached

2answers

6questions

Github Skills (29)

aggregate10

openedx10

pytest10

python10

back-end-development10

aggregator10

django10

testing10

xbl10

ag10

aggregations10

front-end-development10

aggregates10

data-service9

javascript9

Programming languages (5)

JinjaJavaScriptPHPRubyPython

Github contributions (5)

openedx/edx-ora2

Jan 2017 - Mar 2018

Open Response Assessment Suite

Role in this project:

Back-end Developer

Contributions:21 commits, 8 PRs, 109 comments in 1 year 2 months

Contributions summary:Dmitry contributed to the development of the `edx-ora2` project by implementing a new method, `collect_ora2_responses`, within the `OraAggregateData` class to gather and analyze data related to open response assessments. Their changes involved modifications to both the test suite (`test_data.py`) and the core data processing logic (`data.py`). These updates included adjustments to test cases and the addition of functionality to collect response counts for each step in the assessment workflow, improving the data aggregation capabilities of the system.

assessmentpythonsuite

openedx/edx-platform

Dec 2015 - Dec 2018

The Open edX LMS & Studio, powering education sites around the world!

Role in this project:

Full-stack Developer

Contributions:23 commits, 36 PRs, 274 comments in 3 years

Contributions summary:Dmitry contributed significantly to the Open edX platform, implementing features and bug fixes across the frontend and backend. They added new XBlockAsides functionality, allowing for the tagging of blocks and dynamic values for selectboxes using Django models, demonstrating backend skills. The user also worked on frontend improvements, including making the "Final check" button dependent on user selections within a problem, and fixing rendering issues in IE 10 & 11.

edxlmssitesbackend-serviceopen-edx

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