Senior UI Developer

Roles & Responsibilities :
Role Summary

We are looking for a Senior UI Developer with strong hands-on experience in building modern web applications using React JS TypeScript and related libraries. The role involves end-to-end feature development integration with REST APIs contributing to UI performance security and code quality and working closely with backend QA and product teams.

Key Responsibilities

Feature Development & Implementation

• Develop high-quality UI components and modules using React TypeScript React Router Axios i18n.

• Implement complex workflows configuration screens dashboards and designer components.

• Work on modeling/diagramming features using JointJS or similar libraries (GoJS mxGraph etc.).

• Integrate UI with REST APIs following OpenAPI specifications.

Quality Testing & Documentation

• Write clean maintainable reusable code with proper documentation.

• Perform unit and integration tests using Jest React Testing Library Cypress/Playwright.

• Participate in code reviews and ensure adherence to engineering standards.

• Support test automation initiatives and API contract validations.

Performance & Security Awareness

• Implement best practices for:

  • UI performance optimization (lazy loading bundle reduction)

  • Secure coding (handling XSS CSRF input validation secure API usage)

• Collaborate with architect and backend team to ensure NFR compliance.

Backend Collaboration

• Work with backend engineering to clarify API requirements and behavior.

• Basic understanding of:

  • Java REST foundations

  • Spring Security usage from frontend perspective

  • Authentication/authorization flows (JWT OAuth)

Team Collaboration & Delivery

• Participate in sprint planning estimation and Agile ceremonies.

• Support junior developers with guidance and peer coaching.

• Troubleshoot production-like issues and provide quick resolutions.

• Contribute to continuous improvement of UI development processes.

Required Skills & Experience

Core Frontend Expertise

• Strong hands-on experience (610 years) in:

  • React JS TypeScript

  • React Router Axios i18n

  • Modern build tools (Webpack Vite )

• Experience building scalable SPAs with modular structures.

• Exposure to JointJS or other diagramming libraries is a strong plus.

Backend & API Knowledge

• Good understanding of REST API consumption and OpenAPI/Swagger.

• Exposure to Java/Spring basics and ability to collaborate on API design.

• Knowledge of modern authentication methods (JWT token security).

Testing Skills

• Experience with UI testing frameworks:

  • Jest React Testing Library

  • Cypress / Playwright (preferred)

• Familiarity with automation pipelines and CI/CD workflows.

NFR Awareness

• Understanding of UI performance optimization techniques.

• Awareness of frontend security practices (OWASP Top 10).

Soft Skills

• Strong analytical and debugging skills.

• Ability to communicate issues progress and risks clearly.

• Collaborative mindset with willingness to learn platform-level complexities.

• Ownership-driven attitude with attention to detail.

Qualifications :

Educational qualification:

Experience :

Mandatory/requires Skills :

Preferred Skills :

Additional Information :

Experience - 6 to 8 years

Remote Work :

No

Employment Type :

Full-time