Posted:4 weeks ago|
Platform:
Hybrid
Full Time
Senior Software Engineer- MERN
Experience - 3 to 5 Years
Job Location- Pune / Hybrid
Proficient in Node.js with frameworks like Express or NestJS
Hands-on experience building RESTful APIs (CRUD, pagination, error handling)
Authentication & Authorization
Implementation of login flows using email/password, OTP
Experience with JWT-based session management
Payment Gateway Integration (MANDATORY)
Integrated with at least one payment gateway (e.g., Stripe, Razorpay, Adyen)
Experience in subscription creation, renewal, webhook handling, and payment failures
AppCues Support (MANDATORY)
Backend logic for:
Route-aware redirection
Support for AppCues-triggered deep links
Seamless user journey support without native interference
Database Knowledge
Experience with PostgreSQL/MySQL and one NoSQL store (e.g., MongoDB)
Query writing, joins, indexing, and simple optimizations
Cloud Basics
Deployment experience on AWS, GCP, or Azure
Familiarity with EC2, S3, or serverless functions (basic level)
Testing & Version Control
Familiarity with unit testing and API validation using tools like Jest/Postman
Experience using Git and participating in PR/code reviews
Advanced payment flows (multi-currency, promo codes, retry logic)
Deep AppCues integration scenarios (multi-step journeys, fallback routing)
Mobile-first backend design (offline fallback, minimal payloads)
Serverless functions (e.g., AWS Lambda, Firebase)
Agile workflows (story estimation, grooming, retrospectives)
API documentation tools (Swagger, Postman collections)
Harbinger Systems
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