Rostislav Tsiomenko
Senior Web Developer at Trinity Cyber
Washington, District of Columbia, United States
Summary
👤
Senior🎓
Top SchoolRostislav Tsiomenko is a Senior Web Developer with 12 years of experience building backend and full-stack systems, currently focused on Cloud and DevOps across AWS and GCP. He has a strong track record of scaling projects from inception to millions of users and has held senior engineering and SRE roles at companies like Mollie, BUX, and Tenable. Comfortable across the stack, he delivers resilient, production-grade services, API-driven features, and operational tooling that reduce incident surface and improve reliability. An active open-source contributor, he added backend notification, validation, and email features to the civic platform Madison, showing attention to user-facing workflows and data integrity. Based in Washington, DC, he blends systems-level thinking with pragmatic engineering practices and a knack for shipping incremental improvements that compound over time. Collected wit in his GitHub bio hints at a personable, down-to-earth collaborator behind the technical rigor.
12 years of coding experience
10 years of employment as a software developer
UMBC
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (13)
database-migrations10
php10
database-migration10
api10
laravel10
apidoc10
laravel-mix10
email-notifications10
controller9
eloquent9
annotations8
co8
annotate8
Programming languages (7)
Github contributions (5)
opengovfoundation/madison
Apr 2014 - Aug 2014
Madison is a platform for lawmakers to share legislation with their citizens, allowing the community to add comments and suggest improvements.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:186 commits in 5 months
Contributions summary:Rostislav implemented features related to comment notifications, specifically adding read notifications for comments and annotations, and adding a "seen" flag for sponsors. The code changes involved modifications to the routing, controllers, and views related to annotations and comments, which suggests a focus on backend logic and API development. They also added server-side validation to the API. Furthermore, they added the necessary database migrations and email notifications for these features.
reactcitizenslegislationsuggestimprovements
rtsio/rtsio.github.io
Jan 2021 - Feb 2025
Contributions:17 pushes, 1 branch in 4 years 1 month
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