About Praveen Kumar
English
Native or bilingual
Hindi
Basic
German
Basic
Telugu
Native or bilingual
Experience
- SignitivesTechnology Lead / FreelanceApril 2025 - Today (1 year and 2 months)Hyderabad, Telangana, India
- Leading frontend architecture and enterprise application development using React.js,
- Next.js, TypeScript, Redux, Node.js, and NestJS.
- •Designing scalable and reusable component-based frontend solutions for enterprise
- SDLC platforms.
- •Driving technical architecture discussions and implementing modern frontend
- engineering best practices.
- •Collaborating closely with UX/UI designers, backend teams, and product managers to
- deliver seamless user experiences.
- •Developing high-performance and responsive web applications using React Hooks,
- Context API, Redux Toolkit, and modern JavaScript (ES6+).
- •Improving application performance through lazy loading, memoization, code splitting,
- and optimized rendering techniques.
- •Architecting reusable design systems and scalable UI component libraries across
- multiple modules.
- •Managing CI/CD pipelines, Git workflows, Docker deployments, Kubernetes
- environments, and cloud integrations.
- •Leading sprint planning, task estimations, code reviews, and mentoring junior and
- mid-level developers.
- •Integrating REST APIs, authentication systems, and enterprise workflows with frontend
- applications.
- •Working on AI-powered features and enterprise automation solutions using OpenAI
- and LLM integrations.
- •Troubleshooting production issues and improving scalability, maintainability, and
- overall application stability.
- OptumSoftware Engineer (Senior Frontend Developer)December 2022 - April 2025 (2 years and 4 months)• ● Built intuitive and responsive user interfaces using React.js, Next.js, Node.js, and Material UI• ● Improved performance and SEO by implementing server-side rendering (SSR) with Next.js• ● Integrated external APIs using Axios, making data loading faster and smoother• ● Simplified complex state management using Context API, making the app more maintainable• ● Used Redis for caching and data storage to dramatically speed up data access• ● Maintained high code quality with SonarQube, consistently hitting a 100% quality score• ● Set up CI/CD pipelines using Jenkins to enable smooth and automated deployments• ● Increased test coverage to 100% using Jest, ensuring reliable code• ● Delivered stable releases by running end-to-end tests with Cypress and Cucumber• ● Worked closely with designers, QA engineers, and backend teams to ship features that met real user needs
- Tata Consultancy ServicesSystems Engineer (React/Angular Frontend Developer) / FreelanceAugust 2021 - December 2022 (1 year and 4 months)• ● Worked within the SAFe Agile framework to improve project delivery timelines and team alignment• ● Gathered requirements, wrote user stories, and resolved bugs—directly contributing to better client satisfaction• ● Analyzed business processes and systems to guide efficient project planning and improve solution design• ● Built and optimized React.js components including forms, animations, routing, and Flux concepts to improve the ESM Admin Portal's user experience• ● Developed a reusable component library (Tree, SlideView, Table Grid) to accelerate frontend development• ● Enhanced API interactions using Axios and Redux Thunk, making data handling faster and cleaner• ● Used media queries to ensure a fully responsive UI across devices• ● Managed code with Bitbucket, supporting collaborative development with version control• ● Created a Single Page Application (SPA) using AngularJS for the ESM Admin Portal, improving load times and engagement• ● Implemented Redux for scalable and efficient state management• ● Designed multiple UI screens, improving usability and visual consistency• ● Used Redux Saga to retrieve and manage data from local storage, improving performance• ● Built custom UI services and directives in AngularJS, adding powerful reusable functionality• ● Partnered with backend developers to design and integrate REST APIs, reducing integration delays and improving workflow
Recommendations
Be the first to recommend Praveen Kumar
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- ReactJs Microsoft Certified: Azure Fundamentals (AZ-900) Generative AI AI Tools WorkshopReactJs Microsoft Certified: Azure Fundamentals (AZ-900) Generative AI AI Tools Workshop
- Bachelor of TechnologyJNTUA College of Engineering2017Bachelor of Technology