Senior Backend Engineer - Node.js (Onsite, Lahore, PKR Salary)

Pakistan·Lahoresenior

OtherSenior Backend Engineer

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Quick Summary

Key Responsibilities

Design, develop, and maintain backend services using Node.js and TypeScript. Build secure, scalable, and well-structured REST APIs. Work with PostgreSQL and ORM tools such as TypeORM or Prisma.

Requirements Summary

4+ years of professional backend development experience. Strong hands-on experience with Node.js and TypeScript. Experience with Express.js, NestJS, or similar Node.js frameworks.

Technical Tools

OtherSenior Backend Engineer

Requirements

~1 min read

4+ years of professional backend development experience.
Strong hands-on experience with Node.js and TypeScript.
Experience with Express.js, NestJS, or similar Node.js frameworks.
Strong understanding of REST API design, middleware, validation, error handling, and API versioning.
Good knowledge of PostgreSQL or other relational databases, including schema design, migrations, indexes, transactions, and query optimization.
Hands-on experience with TypeORM, Prisma, or similar ORM tools.
Experience with cache management, background jobs, queues, retries, and asynchronous processing.
Understanding of authentication and authorization mechanisms such as JWT, RBAC, OAuth, or similar.
Experience integrating third-party APIs and handling webhooks.
Ability to write clean, modular, and maintainable code.
Comfortable working with Git, pull requests, and code reviews.
Strong debugging, problem-solving, and communication skills.
Experience with Stripe or similar payment and subscription billing platforms.
Experience building or maintaining multi-tenant SaaS applications.
Experience working with webhook-heavy systems, including retries, idempotency, and failure handling.
Experience in SaaS, fintech, marketplaces, logistics, e-commerce, restaurant tech, or other operationally complex domains.
Experience with Next.js for frontend integration or internal dashboard support.
Basic exposure to AWS, GCP, Azure, or other cloud platforms.
Basic understanding of Docker and CI/CD pipelines.

Responsibilities

~1 min read

→Design, develop, and maintain backend services using Node.js and TypeScript.
→Build secure, scalable, and well-structured REST APIs.
→Work with PostgreSQL and ORM tools such as TypeORM or Prisma.
→Design database schemas, write migrations, optimize queries, and manage transactional workflows.
→Build and maintain background jobs, retries, and asynchronous workflows using Redis, BullMQ, or similar queue and cache management systems.
→Integrate third-party services such as payment gateways, communication platforms, cloud storage, authentication providers, and external business systems.
→Implement secure authentication, authorization, validation, error handling, and API best practices.
→Support SaaS features including role-based access control, tenant-level data isolation, and operational workflows.
→Build and maintain webhook-driven workflows with proper validation, retries, and idempotency handling.
→Collaborate with frontend engineers to define API contracts and deliver end-to-end features.
→Write clean, maintainable, testable, and well-documented code.
→Troubleshoot and debug production issues using logs and structured debugging approaches.
→Participate in code reviews, technical discussions, and continuous improvement of backend engineering practices.