Rustem Saiargaliev is a Lead Software Engineer based in Berlin with 13 years of experience building and modernizing backend systems, from monolithic Django applications to microservices and CRM sync pipelines. He excels at raising code quality and test coverage, driving engineering process improvements like ADRs and post-mortems, and keeping stacks current—evidenced by long-term work on projects with 90%+ test coverage. A pragmatic open-source contributor, Rustem has improved well-known Django tooling (model_bakery, django-watson), migrating tests to pytest and modernizing compatibility across databases. He combines hands-on implementation of core features and tooling with a knack for simplifying legacy code, having removed deprecated logic and automated maintenance tasks. Colleagues rely on him to turn messy integrations (Salesforce, Close.com) into reliable, bidirectional services while keeping developer experience in mind. Despite a security-focused academic background, he prefers to "make code, not war," balancing rigor with constructive collaboration.
13 years of coding experience
11 years of employment as a software developer
Engineer's degree Computer and Information Systems Security/Information Assurance, Engineer's degree Computer and Information Systems Security/Information Assurance at Ufa State Aviation Technical University
Contributions:31 releases, 50 reviews, 43 commits in 1 year 11 months
Contributions summary:Rustem primarily contributed to the Django-based backend of the project, focusing on implementing and testing core functionality. They added unit tests for the `utils.seq` function and refactored the `timezone` module for clarity. Furthermore, the user addressed issues related to foreign key defaults and bulk creation. The user also removed deprecated code and Django version notes, keeping the project up-to-date.
Full-text multi-table search application for Django. Easy to install and use, with good performance.
Role in this project:
Backend Developer
Contributions:9 commits, 7 PRs, 22 comments in 5 years 7 months
Contributions summary:Rustem primarily contributed to the backend logic of the Django-based application, focusing on full-text search functionality. Their work involved modifying query escaping mechanisms for different database backends, including MySQL and PostgreSQL, to handle special characters. The user also added and modified test cases to ensure the search features behaved correctly. Furthermore, they updated the test suite to use a database option and updated the supported Django versions.
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Rustem Saiargaliev - Lead Software Engineer at voiio