Job description
Role Overview:We are looking for a senior full-stack developer with strong expertise in building and managing API integrations at scale. This is a full-stack role involving both backend service development and frontend application development, with a strong focus on scalable systems and API integrations.
Key Responsibilities:- Design and develop scalable backend services using Node.js.
- Build and maintain RESTful APIs and integration layers with external systems.
- Develop frontend applications using React.js (or TypeScript-based frameworks).
- Own end-to-end feature development across backend and frontend.
- Design and implement API integrations with third-party platforms and internal services.
- Handle webhooks, event-driven architectures, and async processing.
- Ensure security, authentication (OAuth/JWT), and data protection.
- Implement logging, monitoring, and performance optimization.
- Work closely with product, QA, and DevOps teams for delivery.
- Mentor junior developers and drive engineering best practices.
Required Skills:Core Stack- 8+ years of software development experience
- Strong expertise in Node.js (must-have)
- Hands-on experience with React.js or TypeScript-based frontend frameworks
- Strong proficiency in JavaScript / TypeScript
API & Integration- Proven experience designing and implementing REST APIs
- Strong experience with third-party API integrations
- Hands-on experience with:
- Webhooks / event-driven systems
- Rate limiting, retries, and fault tolerance
- Data transformation between systems
- Experience working with external platforms (payments, SaaS tools, enterprise systems, etc.)
Backend Engineering- Strong understanding of asynchronous programming and event-driven architecture
- Experience with database design (MongoDB or other NoSQL/SQL)
- Ability to build scalable, high-performance services
Security- Strong understanding of OAuth 2.0
- JWT-based authentication
- Secure API design and data handling
Cloud & DevOps- Experience with AWS / Azure / GCP
- Familiarity with CI/CD pipelines
- Experience with logging, monitoring, and observability tools
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