Deepa Singh

Full Stack Engineer @ Precious Infosystem

About

Passionate Senior Full Stack Developer with 5+ years of hands-on experience transforming complex business challenges into elegant, scalable web solutions. Currently driving innovation at Precious Infosystems, where I have successfully delivered enterprise-grade applications for prestigious clients. I thrive at the intersection of creativity and technology, building applications that not only function flawlessly but also deliver exceptional user experiences. My expertise spans the complete development lifecycle from conceptualization and architecture design through deployment and optimization. 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗔𝗿𝘀𝗲𝗻𝗮𝗹: → Frontend: React.js, Next.js, Redux, Angular, TypeScript, JavaScript ES6+, HTML5, CSS3, Material-UI, Tailwind CSS, React Native → Backend: Node.js, Express.js, Nest.js, Graph QL, Socket.io → Database: MongoDB, MySQL, Redis, Firebase → Cloud & Tools: AWS, Git, Kafka, Stripe, Jest, Agile/Scrum 𝗪𝗵𝗮𝘁 𝗦𝗲𝘁𝘀 𝗠𝗲 𝗔𝗽𝗮𝗿𝘁: ✦ Architected B2B e-commerce platform for Al-Futtaim serving automotive dealers across Middle East ✦ Led CRM development at Compunnel Digital reducing loan processing time by 35% ✦ Built real-time queue management system enhancing customer experience by 50% ✦ Developed accessible healthcare analytics platform for IQVIA serving thousands daily 𝗠𝘆 𝗔𝗽𝗽𝗿𝗼𝗮𝗰𝗵: I write clean, well-documented code that scales. Performance optimization is my obsession whether through lazy loading, code splitting, or intelligent caching strategies. I ensure every application meets accessibility standards and works flawlessly across all browsers and devices. 𝗟𝗲𝗮𝗱𝗲𝗿𝘀𝗵𝗶𝗽 & 𝗖𝗼𝗹𝗹𝗮𝗯𝗼𝗿𝗮𝘁𝗶𝗼𝗻: Beyond coding, I mentor junior developers, establish team coding standards, and lead architectural decisions. Working directly at client sites has sharpened my ability to translate business needs into technical solutions while maintaining clear stakeholder communication throughout project lifecycles. 𝗖𝗼𝗻𝘁𝗶𝗻𝘂𝗼𝘂𝘀 𝗚𝗿𝗼𝘄𝘁𝗵: Technology evolves rapidly and so do I. I continuously explore emerging frameworks and methodologies to deliver cutting-edge solutions that exceed expectations. Let us connect and build something extraordinary together!

Country

India

City

Delhi

Industry

Information Technology & Services

Skill

Git, Transcripts, Microsoft Teams, Call Processing, Analytical Skills, Socket.io, Database Optimization, User Controls, Technology Solution Delivery, Test Environments, AWS CodeDeploy, Digital Integration, AngularJS, Agile Methodologies, Redux.js, Performance Improvement, Test&Target, Gitlab, Real-time Web, Reporting & Analysis

Experience

Full Stack Engineer

Precious Infosystem

2021-4 - Present · 5 yrs 6 mos

Developed a scalable full-stack helpdesk platform using React.js, Redux, Tailwind CSS, and TypeScript, delivering a responsive UI for ticket management, dashboards, and user administration. Built and integrated secure RESTful APIs using Node.js, Express.js to manage tickets, users, knowledge base content, and reporting workflows. Designed a comprehensive ticketing system to create, assign, track, and filter tickets, improving support efficiency and resolution time. Implemented role-based access control (RBAC) with JWT authentication, ensuring secure access for admins, agents, and users. Developed analytics dashboards and optimized backend performance using MongoDB/MySQL/PostgreSQL and Redis for efficient data handling. Deployed applications on AWS (EC2, S3) with CI/CD pipelines, and collaborated in an Agile/Scrum environment using Git and testing tools like Jest.

Full Stack Engineer

Precious Infosystem

2021-4 - Present · 5 yrs 6 mos

Developed a full-stack live chat platform using React.js, Redux, Tailwind CSS, and TypeScript, enabling real-time communication between website visitors and support agents. Built a customizable chat widget using HTML5, CSS3, and JavaScript (ES6+) for seamless client-side integration across websites. Designed and implemented scalable RESTful APIs using Node.js, Express.js/Nest.js to manage chat sessions, user tracking, and agent interactions. Integrated real-time features using Socket.io (Web Sockets) to support instant messaging, live chat, and voice call functionality. Developed a CRM dashboard with role-based access control (JWT authentication) to monitor live users, track visitor data, and manage conversations efficiently. Optimized performance with MongoDB/MySQL/PostgreSQL and Redis, ensured data security and validation, and deployed on AWS (EC2, S3) with CI/CD in an Agile/Scrum environment.

Full Stack Engineer

Precious Infosystem

2021-4 - Present · 5 yrs 6 mos

Developed a basic full-stack Teams Bot application to support automated meeting recording and transcription features. Built simple UI components using React.js, HTML5, CSS3, and JavaScript to display meeting recordings and transcripts. Implemented backend services using Node.js to manage bot operations, file handling, and API integrations. Integrated Microsoft Graph API to allow the bot to join Teams meetings and access calendar events.