Backend Developer (NodeJS, NestJS, AI & Cloud Integrations)

Job Description

Title: Backend Developer (NodeJS, NestJS, AI & Cloud Integrations)

Company Name: Fanfare Bangladesh Ltd

Vacancy: --

Age: 25 to 35 years

Job Location: Dhaka (DOHS Banani)

Salary: Negotiable

Experience:

• 3 to 7 years
• The applicants should have experience in the following business area(s): Software Company, IT Enabled Service, E-commerce

• Bachelor of Science (BSc) in Computer Science & Engineering
• Master of Science (MSc) in Computer Science & Engineering

• 3 to 7 years
• The applicants should have experience in the following business area(s): Software Company, IT Enabled Service, E-commerce

• Age 25 to 35 years

Technical Skills:

• Proficiency in Node.js, NestJS, TypeScript, and Express.js.

• Solid understanding of MongoDB and PostgreSQL.

• Experience with OpenAI, LangChain, or similar AI integration tools.

• Strong knowledge of n8n workflow automation or similar platforms (Zapier, Airflow).

• Hands-on experience with Firebase, Firestore, and Google Cloud Functions.

• Knowledge of Google APIs for integration and data processing.

• Proficiency in Docker, Git, and CI/CD tools (GitLab CI, GitHub Actions, etc.).

• Server management experience on DigitalOcean (Droplets, networking, SSL, monitoring).

• Bonus: Experience in Python (for AI scripting) or Go (for microservice performance).

We are seeking a talented and experienced Backend Developer with strong expertise in Node.js and NestJS to build, optimize, and scale cloud-based backend systems. The ideal candidate will have hands-on experience integrating AI tools (OpenAI, LangChain, etc.), workflow automation (n8n), and cloud services (DigitalOcean, Firebase, Firestore, Google Cloud Functions, and Google APIs).

This role involves developing secure, efficient, and scalable APIs, managing databases, and collaborating closely with the frontend, DevOps, and AI teams to deliver intelligent, data-driven solutions.

Key Responsibilities

• Design, develop, and maintain backend services using Node.js and NestJS.

• Build and integrate OpenAI and other AI/ML-based APIs to support intelligent automation.

• Implement n8n workflows for backend and data automation pipelines.

• Architect and maintain MongoDB and PostgreSQL databases with focus on performance and scalability.

• Integrate Firebase, Firestore, and Google Cloud Functions for serverless logic and real-time updates.

• Work with Google APIs (Drive, Maps, Sheets, etc.) for data synchronization and automation.

• Develop and secure RESTful and GraphQL APIs.

• Implement CI/CD pipelines for automated build, testing, and deployment.

• Manage and deploy backend services on DigitalOcean and Firebase environments.

• Maintain high standards for code quality, documentation, and system reliability.

• Collaborate with cross-functional teams (AI, frontend, mobile, DevOps) to deliver full-

• Mobile bill,Weekly 2 holidays
• Lunch Facilities: Full Subsidize
• Salary Review: Yearly
• Festival Bonus: 2

• Afternoon snacks.

• Other facilities as per company policy.