Ivan Sopov
Golang Developer at Джум
Russia
Summary
🤩
Rockstar🎓
Top SchoolIvan Sopov is a seasoned Golang developer with 15 years of experience building backend systems, currently focused on push notifications, transactional and marketing email platforms, and internal tooling for an international marketplace. He has a strong Java background from roles at Mail.Ru Group and Tinkoff Bank and has taught Java, Spring, and Git in an academic partnership, highlighting both practical and mentoring strengths. Ivan contributes to prominent open-source projects including the Checkstyle tool and MongoDB's official Go driver, where his work on ObjectID and server selection optimizations improved performance and reduced allocations. Comfortable across distributed systems, databases (Postgres, Mongo, Oracle) and Linux, he blends hands-on low-level optimization with product-oriented backend development. A Master in Computational Economics, he brings analytical rigor and a knack for refactoring legacy code into efficient, maintainable systems.
15 years of coding experience
8 years of employment as a software developer
Master, Computational Economics, Master, Computational Economics at Kharkiv State Economics University
Russian, English
Stackoverflow
2,330reputation
247kreached
43answers
19questions
Github Skills (31)
static-code-analysis10
debug10
databases10
software-quality10
java10
mongodb-database10
javas10
go10
driver10
golang10
mongodb10
optimization10
database10
testing9
javadoc9
Programming languages (10)
Github contributions (5)
checkstyle/checkstyle
Sep 2013 - May 2015
Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.
Role in this project:
Backend Developer
Backend DeveloperContributions:25 commits, 1 PR, 2 comments in 1 year 8 months
Contributions summary:Ivan primarily focused on maintaining and improving the Checkstyle project, a tool for Java code quality. Their contributions involved fixing bugs, refactoring code, and addressing issues related to code formatting and functionality. They also made updates to the project's documentation and incorporated improvements to address SonarQube issues, ensuring the project's overall quality and maintainability. Additionally, the user adjusted import statements and adjusted Javadoc documentation, further contributing to code quality.
ant-taskinvokedcode-qualityconventionscheckstyle
mongodb/mongo-go-driver
Sep 2022 - Nov 2022
The Official Golang driver for MongoDB
Role in this project:Backend Developer
Backend DeveloperContributions:2 reviews, 5 commits, 6 PRs in 2 months
Contributions summary:Ivan focused on optimizing the MongoDB Go driver's performance. Their contributions include optimizing the `objectid` hex function and the latency selector, improving performance in server selection logic, and reducing allocations. They also optimized the `ObjectIDFromHex` function and `writeServerSelector` within the driver.
golanggolang-librarydriverdatabasemongodb-driver
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.