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Praveen Kumar MaddelaPK

Praveen Kumar Maddela

Technology Lead / Frontend Lead / Fullstack Lead

€345/day
Hyderabad, IN
8-15 years

Average response time: 1 hour

About Praveen Kumar

Results-driven Senior Full Stack Engineer with 8+ years of experience building scalable SaaS platforms, AI-powered applications, and enterprise web solutions using React.js, Next.js, Node.js, Python Django, and cloud technologies. I help startups and businesses transform ideas into high-performance digital products with modern UI/UX, secure architectures, and scalable backend systems.

Specialized in developing:
• SaaS Platforms & AI Applications
• Full Stack Web Applications
• Healthcare, FinTech & E-commerce Solutions
• Microservices & Cloud-Native Architectures
• REST APIs & Third-Party Integrations
• Secure Authentication & Payment Systems
• Dashboard, Admin Panels & Analytics Platforms

I focus on clean architecture, performance optimization, responsive design, and delivering production-ready applications that scale efficiently. Experienced in leading projects from planning and development to deployment and maintenance.

Tech Stack:
React.js, Next.js, TypeScript, Node.js, NestJS, Python Django, FastAPI, PostgreSQL, MongoDB, AWS, Docker, Kubernetes, Tailwind CSS, GraphQL, Redis, Firebase, Stripe, Twilio, OpenAI APIs.

I am passionate about building reliable, modern, and user-focused applications that help businesses grow faster and improve customer experience. Available for remote freelance projects, long-term collaborations, and product development partnerships.
  • English

    Native or bilingual

  • Hindi

    Basic

  • German

    Basic

  • Telugu

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Signitives
    Technology Lead / Freelance
    April 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.
    artificial intelligence Front-End development UI Web Design React.js Next.js
  • Optum
    Software 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
    Next.js React.js UI Web Design Web development Front-End development
  • Tata Consultancy Services
    Systems Engineer (React/Angular Frontend Developer) / Freelance
    August 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
    React.js Fullstack UI Web Design Back-End development Node.js

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Education

  • ReactJs Microsoft Certified: Azure Fundamentals (AZ-900) Generative AI AI Tools Workshop
    ReactJs Microsoft Certified: Azure Fundamentals (AZ-900) Generative AI AI Tools Workshop
  • Bachelor of Technology
    JNTUA College of Engineering
    2017
    Bachelor of Technology

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