Dmitrii Leontev - Senior Software Engineer at BrainRocket

Dmitrii Leontev

Senior Software Engineer at BrainRocket

Spain

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Summary

🤩

Rockstar

Dmitrii Leontev is a Senior Software Engineer based in Spain with over a decade of hands-on experience and three years in senior roles, specializing in backend systems using Node.js, TypeScript and Rust while also contributing across PHP, Python and Go. He designs high-load cloud services, optimizes queries and algorithms, and leads teams through roadmap-driven product development, technical analysis and rigorous code reviews. Dmitrii has strong full-stack chops—React/Vue frontends, PostgreSQL/MySQL/MongoDB databases, and production tooling like Docker, Kubernetes, Kafka, Grafana and Redis—paired with practical experience deploying on AWS/GCP/Azure. As an active open-source back-end contributor to Cube.js, he added SQL execution endpoints and schema/data-source tooling that improved API gateway and server core capabilities for an influential analytics project. Colleagues rely on him to decompose complex work into deliverable pieces and to blend architecture thinking with pragmatic, performance-first engineering.

3 years of coding experience

12 years of employment as a software developer

English, Russian

Github Skills (20)

back-end-development10

apidoc10

api10

sql10

cube10

postgresql9

db-schema9

database-schema9

schema9

database-design9

database-management9

typescripts8

rust8

typescript-types8

typescript8

Programming languages (2)

RustJavaScript

Github contributions (3)

cube-js/cube

Oct 2022 - Jan 2023

📊 Cube — Universal semantic layer platform for AI, BI, spreadsheets, and embedded analytics

Role in this project:

Back-end Developer

Contributions:18 reviews, 6 commits, 33 PRs in 3 months

Contributions summary:Dmitrii contributed to the Cube.js platform by implementing features for the API gateway and server core, focusing on SQL query execution and data source management. They added a new endpoint to run SQL queries directly and enhanced the API gateway to fetch and filter data. Additionally, the user added functionalities to retrieve database schema and incorporated data source information.

cubeanalyticsdataathenachart

wolfeeeg/testcuberepo

Nov 2022 - Dec 2022

Contributions:3 PRs, 35 pushes, 26 branches in 1 month

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