Lead Web Developer – Backend

2 days ago

Islamabad, Islamabad, Pakistan IrisVision Global Full time
Job Description

We are seeking an experienced Lead Web Developer - Backend with strong expertise in building scalable, secure, and high-performance backend systems. The ideal candidate will lead the design and implementation of backend services, ensuring robust cloud architecture and adherence to best practices. The role includes mentoring junior developers, collaborating with cross-functional teams, and driving the success of complex projects.

Responsibilities
  • Architect and design scalable, modular backend systems, ensuring optimal performance and maintainability.
  • Define and implement system-level components such as APIs, databases, and cloud infrastructure.
  • Develop and maintain RESTful and WebSocket APIs for seamless frontend-backend communication.
  • Implement robust data processing, validation, and business logic layers.
  • Design and maintain cloud infrastructure using services like AWS or Azure and ensure cloud architecture aligns with industry standards
  • Implement efficient deployment pipelines using CI/CD tools.
  • Ensure high availability, fault tolerance, and scalability of services.
  • Design and manage relational (e.g., PostgreSQL, MySQL) and non-relational (e.g., MongoDB) databases.
  • Optimize database queries and manage data modeling for large-scale applications.
  • Implement security best practices, including data encryption, secure API communication, and role-based access control.
  • Set up and monitor performance metrics for backend services.
  • Develop real-time communication features using WebSocket, MQTT, or similar protocols.
  • Mentor and guide junior developers to improve code quality and productivity.
  • Conduct code reviews to ensure best practices and maintainable code.
Skills
  • Bachelor's Degree in Computer Science or Equivalent
  • Minimum 7 years of experience in backend development.
  • Proficiency in Node.js and its frameworks.
  • Strong understanding of API design principles, including RESTful and WebSocket APIs.
  • Proficiency in relational databases (PostgreSQL, MySQL) and non-relational databases (MongoDB, DynamoDB).
  • Expertise in database optimization, indexing, and schema design.
  • Hands-on experience with AWS and/or Azure.
  • Expertise in managing cloud services like EC2, RDS, S3, and Lambda.
  • Strong knowledge of OAuth 2.0, JWTs, and encryption protocols (e.g., TLS, AES).
  • Experience with real-time data handling protocols like WebSocket or MQTT.
  • Proficiency with unit testing, integration testing, and debugging tools.
  • Strong knowledge of Git and workflows like GitFlow or trunk-based development.
  • Experience with CI/CD pipelines using tools like GitHub Actions, AWS Pipeline, or GitLab CI.
  • Strong leadership and mentoring skills.
  • Effective communication to translate technical concepts for diverse stakeholders.
  • Problem-solving mindset with attention to scalability and maintainability.
  • Adaptability to work on multiple projects and domains.
  • Experience with serverless architectures is a plus.
  • Knowledge of containerization tools like Docker and Kubernetes is a plus.
  • Understanding of compliance frameworks (e.g., ISO/IEC 27001, HIPAA) is a plus.
  • Familiarity with frontend frameworks (React, Vue.js) for seamless API integration is a plus.
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