Denis Salaev
CTO at Cozy Ventures
Barcelona, Catalonia, Spain
Summary
👤
Senior🎓
Top SchoolDenis Salaev is a pragmatic CTO and engineering leader with 11 years of experience building scalable full‑stack systems using Node.js, Ruby on Rails, and React. He has led teams from 0→1 product builds to mature, highly available architectures—designing zero‑downtime deployments and migrating REST to GraphQL to accelerate development velocity. At Friday.app he cut costs and resource usage through serverless Fargate migrations, Docker optimizations, and an improved async job scheduler that dramatically increased throughput. As Head of Engineering and current CTO, he blends hands‑on implementation with team coaching and operational reliability. He also contributes to open source mobile tooling, having improved configurable dismissal behavior in a popular Flutter modal_bottom_sheet library, showing an attention to UX edge cases beyond core backend work. Trained as a mechatronics engineer, he brings a hardware‑aware, systems thinking approach to software architecture.
10 years of coding experience
8 years of employment as a software developer
Bachelor's degree Mechatronics Robotics and Automation Engineering, Bachelor's degree Mechatronics Robotics and Automation Engineering at Don State Technical University
Russian, English
Github Skills (6)
flutter-game10
dart10
flutter-apps10
flutter10
material-components9
material-design9
Programming languages (6)
Github contributions (5)
jamesblasco/modal_bottom_sheet
Aug 2020 - Aug 2020
Flutter | Create advanced modal bottom sheets. Material, Cupertino or your own style
Role in this project:
Mobile Developer
Mobile DeveloperContributions:8 commits, 1 PR, 1 comment in 1 day
Contributions summary:Denis primarily focused on modifying the `modal_bottom_sheet` Flutter library, specifically addressing the `closeProgressThreshold` parameter. They introduced the ability to configure this threshold across multiple bottom sheet types (material, bar, cupertino), allowing for more customized dismissal behavior. Additionally, the user reverted previous changes to constants and updated documentation.
flutter-packagemodalcupertinoios13material
DenDos/fish_config
Nov 2019 - May 2024
Contributions:12 pushes, 1 branch in 4 years 6 months
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