4Bell Technology

Job Description

Requirements

• Bachelor's Degree in Computer Science or a related field.

• 0–2 years of professional backend engineering experience. Strong fresh graduates with solid CS fundamentals and meaningful internship or project work are welcome to apply.

• Strong working knowledge of JavaScript (ES6) and Node.js.

• Working knowledge of frameworks like Express.js (Restify experience is a plus).

• Foundational understanding of Node.js concepts including the event loop and asynchronous programming.

• Strong fundamentals in algorithms and data structures.

• Experience working with MySQL and exposure to NoSQL databases like MongoDB or DynamoDB.

• Ability to write SQL queries (familiarity with joins, indexing, and basic optimization).

• Basic understanding of REST API design and HTTP fundamentals.

• Awareness of clean architecture and SOLID principles, with willingness to apply them in practice.

• Basic Linux knowledge — common commands, installing packages such as MySQL, Java, and Node.js.

• Basic OS and application troubleshooting skills.

• Familiarity with Git and standard branching workflows.

• Experience with AI-assisted development tools (e.g., Cursor, GitHub Copilot) to accelerate development and support efficient coding practices is a must.

• Eagerness to learn, take ownership of your work, and grow into building largescale, high-availability systems. Good to Have (Or Things You'll Get to Learn Here) These aren't required, but exposure to any of them is a plus — and if you don't have them yet, you'll have the opportunity to learn them on the job:

• Exposure to building backend services that handle data at scale.

• Understanding of microservices architecture and inter-service communication.

• Experience with WebSockets or real-time communication patterns.

• Basic knowledge of AWS and Docker containerization.

• Familiarity with CI/CD pipelines and deployment automation.

• Exposure to on-premise infrastructure, including State Data Centres (SDCs), NIC, or other government data centres.

• Awareness of virtualization platforms (VMware, KVM, Hyper-V, Nutanix) or container orchestration (Kubernetes).

• Exposure to monitoring and observability tools (Prometheus, Grafana, ELK, Zabbix, Nagios).

• Knowledge of front-end frameworks like ReactJS.

• Familiarity with Python.