We are urgently seeking an experienced Full Stack Developer on a contract basis to specialize in building high-performance web applications focused on Payments Integration.

This role requires strong expertise in modern frontend development using React.js and seamless integration with Java-based backend APIs.

The ideal candidate will ensure the delivery of responsive, scalable, and secure payment solutions.

Key Responsibilities & Technical Deliverables :

Frontend Development & Scalability :

- Application Build : Design and build scalable web applications and user interfaces (UIs) primarily using React.js and other modern JavaScript frameworks.

- Component Reusability : Develop and maintain a library of reusable components to enhance development efficiency, consistency, and maintainability across various projects.

- Performance : Optimize applications to ensure outstanding performance, scalability, and responsiveness across different devices and browsers, critical for high-volume payment processing.

Backend Integration & Standards :

- API Integration : Seamlessly integrate frontend applications with backend APIs (primarily Java-based microservices), focusing on efficient data transfer and secure authentication protocols.

- Quality Assurance : Actively participate in code reviews, provide constructive feedback, and maintain high-quality engineering standards and best practices (testing, documentation, clean code).

Collaboration & Lifecycle :

- Cross-Functional Collaboration : Collaborate closely with product managers, UX designers, and backend engineers to translate product requirements into robust technical solutions.

- Problem-Solving : Proactively identify and troubleshoot issues related to payments integration, performance bottlenecks, and system stability across the full stack.

Required Skills & Technical Expertise :

- Total Experience : Minimum 5+ years of hands-on experience in full-stack or frontend-heavy development.

- Frontend (Mandatory) : Strong expertise in React.js and modern JavaScript (ES6+), including state management libraries (Redux, Context API, etc.)

- Backend Understanding : Proven experience integrating with Java-based backend systems and APIs.

- Domain Focus : Prior experience or strong conceptual understanding of payments integration, APIs (REST/GraphQL), and security protocols (OAuth, encryption).

- DevOps/Tools : Familiarity with Git workflows and deployment processes (CI/CD)