Back-End Engineer (Node.js)

• Employment Type: Full-Time (on-site)
• Location: Tehran(janat abad jonobi), Iran 
• time: saturday-wednesday 9-18 

• We are seeking an experienced Backend Engineer (Node.js) to join our team. This is a permanent, full-time role for professionals who are committed to long-term collaboration. Please note: part-time or hourly contract applicants will not be considered.

Key Responsibilities

• Design, develop, and maintain scalable backend services using Node.js and Express.js.
• Implement and optimize real-time communication solutions with WebSocket and Socket.io.
• Work with NoSQL databases (MongoDB, Redis) and manage data models using Mongoose ODM.
• Contribute to the development of enterprise-level applications with a focus on performance, scalability, and security.
• Apply asynchronous programming techniques and event-driven architecture principles.
• Ensure secure coding practices and compliance with backend security standards.
• Collaborate in an Agile environment to deliver features iteratively.
• Use Git for version control and participate in code reviews.
• Contribute to the adoption of microservices architecture and containerization technologies (Docker).

Qualifications & Requirements

Experience

• Minimum 3 years of experience in a similar backend engineering role.
• Demonstrated experience in delivering enterprise-level projects.

Technical Skills

• Strong expertise in JavaScript (ES6+).
• Proficiency with npm/yarn for package management.
• Advanced knowledge of Express.js and common middleware libraries.
• Solid experience with MongoDB, Redis, and Mongoose ODM.
• Practical experience with real-time technologies (WebSocket, Socket.io).
• Familiarity with Agile methodologies (Scrum, Kanban).
• Hands-on experience with microservices and Docker.
• Knowledge of backend security best practices.

Nice to Have

• Familiarity with both trading concepts and the TradingView platform (charts, indicators, Pine Script, widget integration).

What We Offer

• Competitive compensation package.
• Social Security Insurance.
• Performance-based bonuses.
• Employee loan assistance program.
• A supportive work environment that encourages innovation, growth, and collaboration.