Backend Engineer

3 weeks ago

Karachi, Sindh, Pakistan Qureos Full time

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About The Role

We are seeking an experienced Senior Backend Engineer to design, develop, and maintain server-side applications using TypeScript, NestJS, MongoDB, and ElasticSearch. The ideal candidate will have strong technical expertise, leadership skills, and the ability to work collaboratively with cross-functional teams to deliver high-performance, scalable backend solutions.

About The Role

We are seeking an experienced Senior Backend Engineer to design, develop, and maintain server-side applications using TypeScript, NestJS, MongoDB, and ElasticSearch. The ideal candidate will have strong technical expertise, leadership skills, and the ability to work collaboratively with cross-functional teams to deliver high-performance, scalable backend solutions.

Key Responsibilities

  • Design, implement, and maintain efficient server-side logic for web and mobile applications using TypeScript and NestJS
  • Develop and optimize MongoDB database structures, queries, and interactions to ensure optimal performance and data integrity
  • Create and maintain RESTful APIs with proper authentication and authorization mechanisms
  • Leverage ElasticSearch for implementing powerful search capabilities and data analysis features
  • Monitor application performance metrics and implement optimizations to enhance system responsiveness
  • Implement robust security measures to protect user data and prevent vulnerabilities
  • Architect scalable backend systems with fault-tolerance and redundancy built-in
  • Collaborate with frontend developers, product managers, and other stakeholders to align technical solutions with business objectives
  • Participate in all stages of the development lifecycle from design to deployment and maintenance
  • Stay current with industry best practices and emerging technologies to continuously improve our technical stack

Required Qualifications
  • 5+ years of professional experience in backend development
  • Strong proficiency with TypeScript and JavaScript
  • 3+ years of experience with NestJS or similar Node.js frameworks
  • Deep knowledge of MongoDB, including schema design, indexing, and query optimization
  • Experience with ElasticSearch for implementing search functionality and data analytics
  • Understanding of RESTful API design principles and implementation
  • Knowledge of authentication and authorization protocols (OAuth, JWT)
  • Experience with automated testing and CI/CD pipelines
  • Strong problem-solving skills and attention to detail
  • Excellent communication skills and ability to work in a collaborative environment

Preferred Qualifications
  • Experience with microservices architecture
  • Knowledge of Docker and Kubernetes
  • Familiarity with cloud platforms (AWS, GCP, or Azure)
  • Experience with message queuing systems (Kafka, RabbitMQ)
  • Understanding of AI/ML concepts and experience with AI prompting techniques
  • Experience with GraphQL
  • Contributions to open-source projects
  • Bachelor's or Master's degree in Computer Science or related field
Seniority level
  • Seniority levelMid-Senior level
Employment type
  • Employment typeFull-time
Job function
  • Job functionOther
  • IndustriesIT Services and IT Consulting

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