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