Sinan B.

Sinan B.

Frontend Developer

Turkey
Trusted member since 2025
7 years of experience

He is skilled in JavaScript, TypeScript, React, Next.js, Remix, and GraphQL, and has delivered projects ranging from SaaS platforms to gaming apps and dashboards. Sinan builds reusable component libraries, integrates design systems with Storybook, applies responsive design, and manages state using Redux, Zustand, and Context API.

At Hiring Cycle and Gamer Arena, he implemented pixel-perfect UIs, improved SEO, developed features including crypto wallet integrations, and contributed to AI-powered solutions. He has led teams of three frontend developers and is recognized for clean code, thorough testing, and performance optimization, consistently thriving in collaborative, high-impact environments.

Main expertise

React.jsReact.js7 years
JavaScriptJavaScript7 years
GitGit7 years
HTMLHTML7 years
26+

Experience3

Hiring Cycle

Software Developer

Hiring Cycle
Artificial Intelligence (AI)
Nov 2023 - Aug 2025 · 1y 9m
  • Refactored code and fixed bugs to improve user experience
  • Implemented new features pixel-perfectly based on Figma designs and responsive design principles
  • Developed unit tests and end-to-end (E2E) tests to enhance the development process and maintain code quality
JavaScriptJavaScript
React.jsReact.js
HTMLHTML
CSSCSS
TypeScriptTypeScript
20+
Hiring Cycle
Hiring Cycle Candidate App
Gamer Arena

Frontend Developer

Gamer Arena
Gaming
May 2022 - Nov 2023 · 1y 6m
  • Implemented new features pixel-perfectly based on Figma designs and responsive design principles
  • Contributed to improving SEO performance on the frontend
  • Developed a landing page with custom animations while maintaining strong SEO performance
  • Created a wallet feature for cryptocurrencies using Web3
  • Applied performance optimizations and refactored code to ensure readability, maintainability, and clean architecture
JavaScriptJavaScript
React.jsReact.js
HTMLHTML
CSSCSS
TypeScriptTypeScript
15+
Gamer Arena
ServisSoft

Frontend Developer

ServisSoft
Information Technology (IT) and Services
May 2019 - May 2022 · 3y
  • Developed more than 20 modules essential for business management systems
  • Implemented new features pixel-perfectly based on Figma designs and responsive design principles
  • Shared software development best practices with teammates and contributed to their learning and growth
  • Fixed bugs and refactored components following established refactoring principles
  • Developed a screen that displayed real-time data from factory machines
JavaScriptJavaScript
React.jsReact.js
HTMLHTML
CSSCSS
jQueryjQuery
12+
WorkyBe
SmartBe

Assessments

Engineering excellence

Sinan’s overall performance in a 90-minute live technical assessment ranks in the top 5% of vetted Frontend Developers at Proxify.

Portfolio

Highlighted by Sinan

WorkyBe 1
May 2019 · ServisSoft
WorkyBe

The project aimed to help companies reduce costs and improve team, equipment, and energy efficiency using AI. I developed scalable frontend features to visualize real-time analyses across multiple facilities and renewable energy sites. The platform enabled smooth global access, supporting WorkyBe’s goal of driving sustainable energy and efficient asset management worldwide.

Duration3y

Other projects 5

SmartBe
Gamer Arena
Hiring Cycle
Hiring Cycle Candidate App
Bonnmarse

Education

KU
Kirikkale University
Electrical and Electronics Engineering2017 - 2021

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