Karthikeyan R

Senior Software Engineer

Direct Line Group

05.2019 - Current

Developed a responsive, step-by-step quote and buy journey using React.js, improving usability.
Built and maintained responsive UI flows using Reactjs to guide users through multi-step quote, personalization, and purchase processes.
Built and documented reusable UI components using React Storybook, promoting consistency and reusability across the application.
Integrated secure payment gateways (Worldpay) and implemented validation layers to ensure compliance with PCI-DSS standards.
Implemented dynamic form rendering with conditional fields and validations based on user input.
Designed intuitive UI/UX flows for quote retrieval, add-on selection, and policy summary using component-driven architecture
Managed complex data flows using Redux / Context API / React Query, ensuring consistency across multi-step forms.
Improved performance by implementing lazy loading, memoization, and bundle optimization, reducing initial load time
Ensured WCAG 2.1 accessibility compliance, including semantic HTML, keyboard navigation, and screen reader support.
Creating Rest Api using Aws lambda and deploying using Api gateway.
Creating Authorizer for Api gateway using IAM and Cognito to make secured endpoint.
Wrote unit and component tests using Jest and React Testing Library to cover business-critical parts of the quote flow.
Contributed to CI/CD pipelines ( GitHub Actions) for building, testing, and deploying frontend applications.
Collaborated with designers Figma and backend/API teams in Agile sprints, participating in sprint planning, grooming, and retrospectives.
Used feature flags and environment configurations to control the rollout of sensitive features and journeys.
Integrated Kameleoon for A/B testing within the motor quote and buy journey to test UI/UX variations and personalize user experience.
Set up and managed experiments targeting specific user segments (e.g., returning users, device type, traffic source) to optimize conversion rates.
Planning and prototyping new applications
Designing the architecture of the components of an application.
Testing sites and applications in different browsers and environments.
Documenting code so other developers can understand and contribute to it.
Forecasting the resources and budgets needed for a software development project.