Alper Sarper
Senior Frontend Engineer · Istanbul, Turkey
Experience
- 2023 — Now
Frontend Software Development Lead Ratio Energy
- Designed the frontend architecture of real-time energy management and energy trading platforms, leading key technical decisions.
- Developed dashboards, alarm management and monitoring interfaces for mission-critical 24/7 energy operations.
- Optimized performance and memory usage for applications processing 30,000+ real-time signals, significantly improving stability and reducing browser crashes.
- Contributed to a WebSocket-based real-time data infrastructure for high-frequency data streams.
- Led frontend modernization with a shared design system and reusable component library.
- Mentored a team of 3 frontend engineers, driving architectural improvements, code quality and AI-assisted development practices.
- 2021 — 2023
Software Engineer Virtual Projects
- Contributed to the frontend development of analytics and reporting platforms used by mobile game teams.
- Built analytics interfaces with D3, SVG and Recharts for retention, churn, cohort analysis and A/B testing.
- Implemented rendering and data-loading optimizations for large datasets.
- Created a shared design system to improve consistency and accelerate development across products.
- Built internal tools for developers and artists, improving operational efficiency and content production workflows.
- 2020 — 2021
Software Engineer WesterOps
- Contributed to the frontend development of web-based commerce platforms with integrated payment systems.
- Implemented multi-language and multi-currency support for international users.
Skills
Frontend
- React
- Next.js
- TypeScript
- React Native
State Management
- Redux Toolkit
- Zustand
Testing
- Playwright
- Cypress
- React Testing Library
Backend
- Node.js
- NestJS
- REST APIs
- GraphQL
Platform
- Docker
- AWS
- CI/CD
- Sentry
Expertise
- Frontend Architecture
- Design Systems
- Real-Time Systems
- Dashboard Applications
- Performance Optimization
Languages
- Turkish (native)
- English (C1)
Education
- 2014 — 2020
Bachelor's Degree in Computer Engineering
Sakarya University