Senior React Developer

Position: Senior React Developer

Location: Krank Tech (Private) Limited – Karachi (On-site)

Job Description

We are seeking a skilled Senior-Level React.js Developer to join our dynamic team. As a key member of our development department, you will be responsible for designing, implementing, and maintaining web applications using React.js. You will collaborate with cross-functional teams, including designers and back-end developers, to create user-friendly, responsive interfaces, while adhering to best practices.

Key Responsibilities

• Develop and Implement: Design, code, test, and debug web applications using React.js, ensuring high performance and responsiveness.
• Collaborate: Work closely with UI/UX designers and back-end developers to translate designs and wireframes into high-quality code.
• Optimize Performance: Identify and address performance bottlenecks and implement necessary optimizations.
• Testing and Debugging: Conduct thorough testing of applications and perform debugging to ensure high-quality deliverables.
• Code Review and Documentation: Participate in code reviews and maintain clear, concise documentation of code and applications.
• Stay Updated: Keep up-to-date with the latest industry trends, best practices, and emerging technologies to continuously improve development processes.
• Problem Solving: Troubleshoot and resolve complex issues related to application functionality and performance.
• Communication: Ability to articulate technical concepts and collaborate with other team members and stakeholders, including designers, product managers, and backend engineers.
• Leadership: If the role includes mentoring junior developers, previous experience in leadership or mentorship is a plus.
• Agile Methodology: Experience working in agile teams and participating in daily standups, sprint planning, and retrospectives.
• Hands-on Experience with Complex Applications: Experience in building large-scale, production-level applications, dealing with performance bottlenecks, scalability, and real-world problems.
• Version Control Systems: Proficiency with Git for version control, code reviews, and collaboration.
• Proficiency in React.js: Deep understanding of React concepts such as hooks, state management, context API, lifecycle methods, and functional components.
• JavaScript/ES6+ Expertise: Strong command over modern JavaScript, including ES6+ features like arrow functions, destructuring, async/await, etc.
• Front-end Development: Solid experience with HTML5, CSS3, and pre-processors like SASS/LESS.
• Responsive Design and Cross-Browser Compatibility: Experience ensuring applications are mobile-friendly and compatible with various browsers.
  
  

Requirements

• Minimum 4-6 years of experience in front-end development, specifically with React for at least 3 years.
• Degree in Computer Science, Engineering or a related field (or equivalent experience).
• Proven experience as a Senior-level React developer in a similar role.
• Experience developing web applications using React.js.
• Proficiency in React.js and related libraries (Redux, Mobx, etc.).
• Strong knowledge of HTML, CSS, and JavaScript.
• Experience with responsive web design and mobile development.
• Familiarity with front-end build tools and package managers (e.g., Webpack, Babel, npm).
• Understanding of RESTful API integration and asynchronous programming
• Experience with state management libraries (e.g., Redux) and modern front-end build tools (e.g., Webpack).
• Familiarity with version control systems (e.g., Git).
• Experience with unit testing and testing frameworks (e.g., Jest, Enzyme) is a plus.