Senior Full Stack Developer (React + Node.js / Python)

Bengaluru, India | Full time | Hybrid | R1533125 Job Title: Senior Full Stack Developer (React + Node.js / Python)

Location: Bengaluru / Hybrid

Experience: 4–6 years Experience

Grade : 140(Entry Level)

Employment Type: Full-Time

Job Summary

We are looking for a Full Stack Developer with strong expertise in React for frontend development and either Node.js or Python for backend development. The candidate will be responsible for building scalable, high-performance applications and contributing to system design and technical direction.

Key Responsibilities Design, develop, and maintain scalable web applications across the full stack. Build responsive, reusable, and high-quality user interfaces using React.js. Develop backend services and APIs using Node.js with Express.js or NestJS, or Python with Django, Flask, or FastAPI. Collaborate with product, design, engineering, and other cross-functional teams to deliver business requirements. Write clean, maintainable, secure, and testable code following engineering best practices. Optimize applications for performance, scalability, reliability, and security. Participate in code reviews and provide constructive feedback to improve code quality. Mentor junior developers and support team members in technical problem-solving. Contribute to architectural discussions, design decisions, and technical direction. Troubleshoot, debug, and resolve production issues in a timely manner. Required Qualifications Bachelor’s degree in Computer Science, Engineering, Information Technology, or a related field, or equivalent practical experience. 4-6 years of hands-on experience in full stack application development. Strong experience with React.js and modern frontend development practices. Strong backend development experience using either Node.js or Python. Experience building and consuming RESTful APIs and/or GraphQL services. Experience working with relational and NoSQL databases. Good understanding of authentication, authorization, application security, and API design principles. Experience working in Agile development environments. Strong communication, collaboration, and problem-solving skills. Required Technical Skills

Frontend

Strong experience with React.js, including Hooks, Context API, and component-based architecture. Experience with state management libraries such as Redux, Zustand, or similar. Proficiency in JavaScript ES6+ and/or TypeScript. Strong knowledge of HTML5, CSS3, responsive design, and browser compatibility. Experience with UI frameworks such as Material UI, Ant Design, Tailwind CSS, or similar.

Backend

Strong experience in either Node.js with Express.js or NestJS, or Python with Django, Flask, or FastAPI. Experience designing and developing RESTful APIs and/or GraphQL services. Understanding of authentication and authorization mechanisms such as JWT and OAuth. Knowledge of microservices architecture and API design principles. Ability to write scalable, maintainable, and testable backend services.

Databases

Experience with relational databases such as PostgreSQL or MySQL. Experience with NoSQL or search/cache technologies such as Elasticsearch or Redis. Strong understanding of data modeling, indexing, query optimization, and database performance tuning.

Tools and Technologies

Experience with version control systems such as Git, GitHub, GitLab, or Azure DevOps. Experience with API development and testing tools such as Postman or Insomnia. Experience with Agile tools such as JIRA or Azure Boards. Exposure to cloud platforms such as AWS, Azure, or GCP. Experience with Docker and containerized application development. Exposure to CI/CD pipelines using Jenkins, GitHub Actions, Azure Pipelines, or similar tools. Familiarity with monitoring and logging tools such as Prometheus, Grafana, ELK Stack, or Datadog. Preferred Skills Experience with TypeScript-based full stack development. Experience with cloud-native application development. Experience with performance optimization for frontend and backend applications. Experience working with distributed systems or microservices-based architecture. Experience with automated testing frameworks for frontend and backend applications. Role Expectations

The candidate should be able to work independently on assigned modules, contribute to design discussions, collaborate effectively with team members, and deliver high-quality software within agreed timelines. The role requires a balance of frontend and backend expertise, strong ownership, and the ability to adapt to evolving technical requirements.

IQVIA is a leading global provider of clinical research services, commercial insights and healthcare intelligence to the life sciences and healthcare industries. We create intelligent connections to accelerate the development and commercialization of innovative medical treatments to help improve patient outcomes and population health worldwide. Learn more at https://jobs.iqvia.com

IQVIA is committed to integrity in our hiring process and maintains a zero tolerance policy for candidate fraud. All information and credentials submitted in your application must be truthful and complete. Any false statements, misrepresentations, or material omissions during the recruitment process will result in immediate disqualification of your application, or termination of employment if discovered later, in accordance with applicable law. We appreciate your honesty and professionalism.

Where you'll work Hybrid

You’ll split your time between home and the office, giving you the flexibility to focus where you work best while still building strong in-person connections with your team. This model combines the autonomy of remote work with the collaboration, energy and resources of an office environment. Culture

Culture at IQVIA is built on a shared belief: that when people are empowered with better data, smarter technology and deeper expertise, they can change what’s possible for patients. Across every team and every corner of the globe, you’ll find colleagues who genuinely care - about the mission and about each other. That’s what makes this a place where people tend to stay, grow and do the best work of their careers.