Senior Full Stack Developer - React.js/Python

About The Job :

- We are seeking a Senior Full Stack Developer to join our finance project.

- You will design, build, and maintain high-quality web applications that support critical business functions across R&D, supply chain, and commercial operations.

- The ideal candidate combines deep technical expertise across the frontend and backend stack with the ability to mentor junior engineers and collaborate with cross-functional stakeholders in a regulated pharmaceutical environment.

Essential Job Functions :

- Strong planning skills and should be able to work on the plan with the technical lead / architect.

- Strong full-stack development skills with production-grade experience.

- Ability to plan, estimate, and own delivery of features end-to-end.

- Accountable, self-driven, and comfortable operating in Agile/Scrum teams.

- Exposure to cloud-native architectures and CI/CD best practices.

Key Responsibilities :

Application Development & Architecture :

- Design, develop, and maintain responsive web applications using React.js / Angular on the frontend and Python (FastAPI / Flask / Django) or Node.js on the backend.

- Build and consume RESTful APIs and GraphQL services; design microservices architectures for scalability.

- Implement responsive, accessible UI/UX following WCAG guidelines and GSK design standards.

- Write clean, testable, well-documented code with comprehensive unit and integration tests.

Cloud & DevOps :

- Deploy and manage applications on AWS (preferred) or Azure cloud infrastructure.

- Configure CI/CD pipelines using Jenkins, GitHub Actions, or Azure DevOps.

- Containerize applications with Docker and orchestrate with Kubernetes or ECS.

- Implement infrastructure-as-code using Terraform or CloudFormation.

Data & Integration :

- Design and optimize relational (PostgreSQL, SQL Server) and NoSQL (MongoDB, DynamoDB) databases.

- Integrate with enterprise systems, internal APIs, and third-party services securely.

- Build event-driven architectures using Kafka, SQS/SNS, or similar messaging systems.

Collaboration & Quality :

- Participate in Agile ceremonies sprint planning, standups, retros, and backlog grooming.

- Conduct and participate in code reviews; enforce coding standards and security best practices.

- Mentor and guide junior developers; contribute to team knowledge-sharing.

- Work with Product Owners, UX designers, and business stakeholders to translate requirements into technical solutions.

Qualification :

- Bachelors or Masters degree in Computer Science, IT, or a related field from a reputed institution.

- 8+ years of professional experience in full-stack web development with production deployments.

- Strong proficiency in at least one modern frontend framework (React / Angular) and one backend framework (FastAPI / Django / Express / Spring Boot).

- Hands-on experience with cloud platforms (AWS preferred) and containerization.

- Solid understanding of database design, query optimization, and data modeling.

- Experience with CI/CD pipelines, automated testing, and DevOps practices.

Preferred :

- Experience in a pharmaceutical, healthcare, or regulated industry environment.

- Familiarity with GenAI integration building applications that consume LLM APIs or embed AI-powered features.

- Exposure to observability tools (Datadog, Grafana, ELK Stack) and application performance

monitoring.

- Knowledge of security best practices including OWASP Top 10, data encryption, and compliance frameworks (GxP, SOX).