Backend Engineer – API & Integrations

0 years

0 Lacs

noida uttar pradesh india

Posted:1 week ago| Platform: Linkedin logo

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Skills Required

api rest authentication automation express.js design jwt database oauth webhooks devops deployment nginx git github postman logging logic server management aws documentation testing resolve redis microservices

Work Mode

On-site

Job Type

Full Time

Job Description

Location:

Job Type:

Job Summary

REST API development

You will be responsible for building scalable backend systems, secure authentication flows, and automation workflows.

Required Technical Skills

Backend Development

  • Strong proficiency in

    Node.js

    (Express.js or Nest.js)
  • Expert in

    REST API design & development

  • Authentication frameworks:

    JWT, OTP, Access/Refresh Token flows

Databases

  • Strong hands-on experience with

    MongoDB

  • Good understanding of

    MySQL

  • Ability to design clean & efficient database schemas

Third-Party Integrations

  • Meta APIs:

    Facebook Leads, WhatsApp Cloud API, Messenger

  • Google APIs:

    OAuth, Calendar, Maps, Business Profile

  • Payment gateways:

    Razorpay, Stripe, PayPal
  • Experience with

    webhooks, callbacks & event-driven flows

DevOps, Deployment & Tools

  • Familiar with

    AWS

    (EC2, S3, RDS basics preferred)
  • Deployment using

    Nginx, PM2, Vercel, Render

  • Basic understanding of

    Docker

  • Tools:

    Git/GitHub, Postman, logging tools (Winston, Morgan)

Responsibilities

Backend & API Engineering

  • Build and maintain scalable REST APIs
  • Develop backend logic for core modules
  • Implement secure authentication (JWT, OTP, tokens)
  • Optimize performance, caching & error handling

Integrations & Automation

  • Manage Meta and Google API integrations
  • Implement payment gateways with webhook flows
  • Build cron jobs, schedulers & automation tasks
  • Create reusable backend services

Server Management & Deployment

  • Deploy backend on

    AWS / Nginx / PM2

  • Monitor server uptime, logs & errors
  • Prepare API documentation (Postman / Swagger)

Cross-Team Collaboration

  • Work closely with frontend developers for API integration
  • Coordinate with QA for testing & debugging
  • Quickly resolve production issues

Candidate Requirements

  • Strong problem-solving & logic-building skills
  • Ability to work independently and take ownership
  • Comfortable managing backend modules end-to-end
  • Proactive and responsible attitude

Preferred (Not Mandatory)

  • Redis, queues (BullMQ, RabbitMQ)
  • Microservices architecture
  • CI/CD pipelines

How to Apply

CV

Jobs@diglip7.com

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