Qureos

FIND_THE_RIGHTJOB.

Frontend Developer

Istanbul, Turkey

INTRODUCTION

We are seeking a highly skilled and motivated Mid-Senior Frontend Developer with a strong background in secure web application development to join our growing team in Istanbul Maltepe . In this role, you will be responsible for designing, developing, and implementing mission-critical web applications for the defense industry , ensuring robust and user-centric solutions. You will work on challenging projects that require deep understanding of frontend architecture, cross-platform compatibility, and integration with backend systems. If you are a passionate developer who thrives in a structured yet dynamic environment and enjoys tackling complex technical problems in a mission-driven context, we encourage you to apply.


RESPONSIBILITIES

  • Design and develop responsive, cross-platform web applications (desktop and mobile) using React , Tailwind CSS , and DaisyUI .
  • Integrate frontend components with backend systems via REST APIs .
  • Collaborate with backend developers to ensure seamless data flow and system architecture.
  • Optimize application performance, accessibility, and security for defense-grade standards.
  • Follow feature branch methodology in GitLab for task tracking and code management.
  • Participate in code reviews and adhere to best practices for maintainable, scalable code.
  • Troubleshoot bugs, analyze user requirements, and iterate on solutions.
  • Document frontend workflows and collaborate with stakeholders to refine user experiences.


REQUIREMENTS

  • 3–5 years of experience in frontend development.
  • Proficiency in React.js , Tailwind CSS .
  • Strong knowledge of JavaScript/TypeScript , HTML5, and CSS3.
  • Experience working with REST APIs and JSON data formats.
  • Mastery of Git and GitLab for version control, including feature branch workflows.
  • Familiarity with cross-platform web development (desktop and mobile, but not SPAs or hybrid frameworks).
  • Understanding of cross-browser compatibility and responsive design principles.
  • Strong problem-solving skills and attention to detail.
  • Professional English proficiency for technical communication and documentation.
  • Experience with CI/CD pipelines (e.g., GitLab CI/CD, Jenkins) to automate builds and deployments.
  • Testing expertise : Writing unit tests (e.g., Jest, React Testing Library) and integration/e2e tests (e.g., Cypress, Playwright).


PREFERRED/PLUS IF YOU HAVE

  • Experience with security best practices (e.g., XSS, secure API calls).
  • Knowledge of performance optimization (e.g., lazy loading, code splitting).
  • Contributions to open-source projects or a strong portfolio of web applications.
  • Familiarity with state management libraries (e.g., Redux, Context API).
  • Exposure to containerization tools (e.g., Docker) for frontend workflows.


WHAT WE OFFER

  • Hybrid work option : 2 remote days per week (with core hours in Istanbul Maltepe office).
  • Private health insurance , meal cards, and transportation assistance.
  • Flexible working hours and pre-work breakfast .
  • The opportunity to work in the defense industry on high-impact projects.
  • A collaborative, process-oriented team environment with GitLab-based task tracking .
  • Competitive salary and performance-based bonuses .
  • A culture that values initiative, responsibility, and innovation in engineering.

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