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Hi, I’m Swapna Puppala, a Senior Full Stack Developer based in London. I bring 5+ years of hands-on experience building and maintaining cloud-based web applications, with a strong focus on Node.js, React, MongoDB, RESTful APIs, and AWS cloud deployments. I have a solid foundation in back-end and front-end development, API integration, and data handling, plus practical experience in Agile environments and CI/CD practices. I excel at translating business requirements into functional, user-centered solutions while improving performance, reliability, and usability. I enjoy collaborating with UX/UI designers and product teams to deliver scalable features on tight timelines, designing secure access controls, and building dashboards and analytics that empower stakeholders.…Hi, I’m Swapna Puppala, a Senior Full Stack Developer based in London. I bring 5+ years of hands-on experience building and maintaining cloud-based web applications, with a strong focus on Node.js, React, MongoDB, RESTful APIs, and AWS cloud deployments. I have a solid foundation in back-end and front-end development, API integration, and data handling, plus practical experience in Agile environments and CI/CD practices. I excel at translating business requirements into functional, user-centered solutions while improving performance, reliability, and usability. I enjoy collaborating with UX/UI designers and product teams to deliver scalable features on tight timelines, designing secure access controls, and building dashboards and analytics that empower stakeholders.

Swapna Puppala

Full Stack Developer, Web Developer, Front-End Developer, +4

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Hi, I’m Swapna Puppala, a Senior Full Stack Developer based in London. I bring 5+ years of hands-on experience building and maintaining cloud-based web applications, with a strong focus on Node.js, React, MongoDB, RESTful APIs, and AWS cloud deployments. I have a solid foundation in back-end and front-end development, API integration, and data handling, plus practical experience in Agile environments and CI/CD practices. I excel at translating business requirements into functional, user-centered solutions while improving performance, reliability, and usability. I enjoy collaborating with UX/UI designers and product teams to deliver scalable features on tight timelines, designing secure access controls, and building dashboards and analytics that empower stakeholders.…Hi, I’m Swapna Puppala, a Senior Full Stack Developer based in London. I bring 5+ years of hands-on experience building and maintaining cloud-based web applications, with a strong focus on Node.js, React, MongoDB, RESTful APIs, and AWS cloud deployments. I have a solid foundation in back-end and front-end development, API integration, and data handling, plus practical experience in Agile environments and CI/CD practices. I excel at translating business requirements into functional, user-centered solutions while improving performance, reliability, and usability. I enjoy collaborating with UX/UI designers and product teams to deliver scalable features on tight timelines, designing secure access controls, and building dashboards and analytics that empower stakeholders.

Available to hire

Hi, I’m Swapna Puppala, a Senior Full Stack Developer based in London. I bring 5+ years of hands-on experience building and maintaining cloud-based web applications, with a strong focus on Node.js, React, MongoDB, RESTful APIs, and AWS cloud deployments. I have a solid foundation in back-end and front-end development, API integration, and data handling, plus practical experience in Agile environments and CI/CD practices.

I excel at translating business requirements into functional, user-centered solutions while improving performance, reliability, and usability. I enjoy collaborating with UX/UI designers and product teams to deliver scalable features on tight timelines, designing secure access controls, and building dashboards and analytics that empower stakeholders.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Full Stack Developer at Nexmind Ltd

April 1, 2019 - March 31, 2022

April 2019 – March 2022: Worked on a Customer & Order Management Web Application. Built front-end and back-end modules using HTML, CSS, JavaScript, REST APIs, and responsive design. Implemented cross-browser compatibility, version control with Git and GitHub, and Agile/Scrum workflows. Designed data models and integrated with backend services; performed unit testing and delivered maintainable, scalable code.

Full Stack Developer at Nexmind Ltd

May 1, 2024 - Present

May 2024 – Present: Full Stack Developer for Client Support & Automation Platform (SaaS) with AI-assisted capabilities. Built an AI-driven customer support platform featuring a real-time chat interface and an admin dashboard for monitoring user interactions and system performance. Developed backend services with Node.js/Express.js and REST APIs, integrated AI APIs to process inputs and generate responses, and automated client communications workflows. Designed React.js frontends with responsive UI, implemented role-based access control using JWT, modeled data in MongoDB, and added analytics and monitoring modules. Deployed on AWS (EC2) with Linux configuration, followed Agile/Scrum, performed code reviews, and established CI/CD pipelines.

Full Stack Engineer at Nexmind Ltd

May 1, 2024 - Present

Built AI-driven customer support platform (SaaS) with real-time chat interface and admin dashboard to monitor interactions and performance. Developed backend services and REST APIs using Node.js/Express.js to manage queries, conversation workflows, and system logic. Integrated LLM-based AI APIs to process inputs and generate intelligent responses, automating client communications workflows. Designed and implemented responsive front-end dashboards in React.js for chat, analytics, and monitoring. Implemented role-based access control with JWT-based authentication. Modeled and optimized data in MongoDB, storing conversation history and user data. Built analytics modules to track engagement, trends, response accuracy, and system performance metrics. Integrated third-party services for notifications (email/SMS) and external API communication. Performed data validation, error handling, and API testing using Postman. Deployed on AWS EC2 with Linux configurations and secure access management.

Senior Full Stack Developer at EXM Ltd

May 1, 2024 - April 1, 2026

Built an AI-driven customer support platform handling 10,000+ user interactions per month, improving response efficiency by 40%. Created 15 RESTful APIs using Node.js and Express to support real-time messaging and workflow automation. Integrated AI-powered APIs to reduce manual support workload by 35%. Designed and implemented a responsive admin dashboard with React.js to provide chat, analytics, and system monitoring. Implemented role-based access control using JWT authentication and maintained MongoDB databases with optimized queries, boosting data retrieval performance. Collaborated with UX/UI designers to translate wireframes into a polished interface across multiple two-week sprints. Managed production bugs and release cycles to ensure stability.

Full Stack Developer at Infosys

September 1, 2018 - March 31, 2020

Owned backend and frontend features for a web application used by 1,500+ active users, handling real-time data and workflows. Built 8+ backend APIs and integrated with UI components to improve overall system efficiency by ~30%. Optimized database performance by refining queries and backend logic, reducing API response time by ~25%. Implemented secure login and role-based access using JWT, and collaborated with frontend teams to ensure smooth data flow and responsive interfaces. Led two-week sprint cycles, aligned with Agile/Scrum practices, and supported release activities.

Full Stack Developer at Infosys

April 1, 2020 - March 31, 2022

Worked on a Business Process Automation Platform, building full-stack features using JavaScript (ES6+), HTML, CSS3, REST APIs; implemented responsive design, Chrome Dev Tools optimization, and Agile/Scrum practices. Maintained production dashboards and connected APIs to UI for real-time monitoring; improved data processing workflows and reduced manual interventions.