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G

Gunjan

Expert

Expert

Full Stack Developer

* Zero Evaluation Fee

Available

Available in IST Timezone

Summary

Technical Skills

Projects Worked On

Summary:

  • Full-stack Lead Developer with 10+ years of experience, specializing in the design, development, and deployment of scalable full-stack software solutions.
  • Strong expertise in Node.js, TypeScript, and Python, adept at building high-performance backend systems with RESTful APIs and microservices architecture.
  • Proven leader in ensuring code quality, scalability, and maintainability through best practices and code reviews.
  • Extensive experience with cloud platforms (AWS, Azure) and CI/CD pipelines, including GitHub Actions workflows for modern DevOps.
  • Successfully delivered complex projects across HIPAA-compliant healthcare, travel tech, food delivery, and sustainability sectors.
  • Skilled in Agile/Scrum methodologies and cross-functional collaboration.
  • Achievements include a 50% boost in database performance, a 15% increase in team productivity, and a 20% improvement in user engagement.
  • Actively exploring and gaining foundational knowledge in Machine Learning frameworks and Generative AI concepts (RAG, Multi-Agent Systems, Model Context Protocol) to broaden expertise in advanced data processing and intelligent systems.

Skills:

  • Programming Languages: Node.js, TypeScript, Python, JavaScript
  • Databases: PostgreSQL, MySQL, MSSQL, MongoDB, Redis, SQL
  • Frameworks & Libraries: NestJS, ExpressJS, Next.js, React
  • Cloud Platforms: AWS, Azure, GCP (Conceptual Understanding/Eagerness to Apply)
  • DevOps & Tools: Docker, GitHub (CI/CD Pipelines, GitHub Actions), JIRA, Git
  • API Development: RESTful APIs, Microservices
  • Other Technologies: RabbitMQ, WebSockets, Firebase
  • Methodologies: Agile, Scrum Compliance/Standards HIPAA-Compliance

Projects:

Nerdpeople

Technologies Used: NodeJS, Typescript, Microservices, PostgreSQL, RabbitMQ, Sockets, AWS, Stripe.

Project Description:

  • A healthcare application enabling virtual consultations with doctors, integrating features like a Virtual Waiting Room and Health History Transfer. Designed to make medical consultations and record management more accessible.

Roles & Responsibility:

  • As a Full-stack Lead Developer, led server-side development and architectural decisions for this healthcare application
  • Employed Nest.JS framework for building scalable and maintainable backend applications.
  • Developed and maintained RESTful APIs to facilitate effective communication between the frontend and backend.
  • Managed and optimized PostgreSQL databases for reliable, scalable data storage, ensuring high performance and data integrity.
  • Added microservices, including real-time features using WebSocket, to enhance application functionality.
  • Worked collaborative with cross-functional teams, including frontend developers and project managers, to ensure the project's success and alignment with objectives.
  • Ensured adherence to HIPAA compliance for sensitive health data.

Cercles

Technologies Used: NodeJS, NestJS, Sockets, MySQL, AWS, Stripe, Paypal

Project Description:

  • A global travel community app connecting travelers with accommodations, focusing on fostering community among users. Streamlines the accommodation finding process for global travelers.

Roles & Responsibility:

  • In my role as a Full-stack Lead Developer, I focused on creating high-performance server-side applications using NodeJS and NestJS.
  • Implemented real-time communication features using Sockets for an interactive user experience.
  • Integrated Stripe and PayPal for secure and efficient payment processing.
  • Managed AWS cloud services and MySQL databases, ensuring scalability and reliability.
  • Collaborated with marketing and client relations teams to align the application with user needs and market trends.

Lightspark

Technologies Used: NodeJS, NestJS, PostgreSQL, AWS, Docker.

Project Description:

  • A solution aimed at reducing carbon emissions in homes, focusing on energy efficiency and sustainability. Utilizes data to optimize home energy use and reduce carbon footprint.

Roles & Responsibility:

  • In my role as aFull-stack Lead Developer, I was responsible for developing core functionalities for the Light spark project.
  • Implemented server-side applications using NodeJS and NestJS, ensuring scalability and maintainability.
  • Managed PostgreSQL databases for robust data management.
  • Utilized Docker for containerization and AWS for cloud services, enhancing the application's performance and reliability.
  • Coordinated with environmental agencies and stakeholders, focusing on sustainability goals and carbon reduction strategies.

Meal mate

Technologies Used: PHP, Codeigniter3, MySQL, Google Maps, Google Places API, AWS.

Project Description:

  • A London-based food delivery app focusing on government food schemes, aimed at supporting people in need. It integrates local food providers with efficient delivery systems.

Roles & Responsibility:

  • As a Full-Stack Developer, I was involved in both frontend and backend development of the Meal mate application.
  • Developed and maintained the application using PHP and Codeigniter3, focusing on efficient and reliable performance.
  • Integrated Google Maps and Places API for enhanced location services.
  • Managed MySQL databases and utilized AWS for hosting and cloud services. 3
  • Worked closely with government bodies and local vendors to ensure alignment with food scheme objectives and operational efficiency.

Monitive Health

Technologies Used: NodeJS, ExpressJS, MongoDB, Mongoose ODM, AWS

Project Description:

  • Healthcare software predicting LUPA occurrences in PDGM patients to enhance revenue and care quality. Streamlines patient management and reduces administrative workload.

Roles & Responsibility:

  • As a Full-stack Lead Developer, I played a crucial role in building the Positive Health solution.
  • Developed backend services using NodeJS and ExpressJS, focusing on efficient data handling and processing.
  • Managed MongoDB databases with Mongoose ODM for effective data storage and retrieval.
  • Guaranteed compliance with stringent healthcare regulations and patient data privacy laws (HIPAA) during development and deployment.
  • Facilitated cross-departmental collaboration and maintained effective communication to align the project with healthcare objectives.

Aesthetic Record

Technologies Used: React, NodeJS, AWS, SQL/NoSQL, Firebase

Project Description:

  • EMR & Practice Management Software Solution (SaaS) designed for aesthetic clinics, combining clinical documentation, patient engagement, and business operations in a HIPAA-compliant platform.

Roles & Responsibility:

  • As a Full-stack Lead Developer, led the full-stack development and enhancement of Aesthetic Record's core modules, collaborating closely with frontend teams utilizing React.
  • Built and optimized secure backend APIs for appointment scheduling and reporting workflows.
  • Integrated photo capture and comparison features for treatment tracking using structured image metadata.
  • Implemented role-based access and ensured HIPAA-compliant handling of sensitive patient records.
  • Developed dashboards and analytics views for both patients and clinic admins to monitor clinical and operational performance.
  • Collaborated with frontend and product teams to deliver an intuitive, responsive user experience across mobile and web platforms
  • Provided architectural guidance and conducted code reviews for React-based frontend modules to ensure performance and maintainability.
  • Implemented role-based access and ensured HIPAA-compliant handling of sensitive patient records.
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