Software Engineer (Real -Time Communication/Calling Software)

Job Description

Title: Software Engineer (Real -Time Communication/Calling Software)

Company Name: Learning Quran Bangladesh

Vacancy: 5

Age: At least 28 years

Job Location: Anywhere in Bangladesh

Salary: Negotiable

Experience:

• 5 to 10 years
• The applicants should have experience in the following business area(s): Web Media/Blog, Educational Technology (Edtech) Startup

• Bachelor/Honors
• Masters

• 5 to 10 years
• The applicants should have experience in the following business area(s): Web Media/Blog, Educational Technology (Edtech) Startup

• Age At least 28 years

• Proven experience with WebRTC, SIP, or similar RTC protocols.
• Strong programming skills in [Java, Node.js, Go, Python] or similar backend technologies.
• Experience with front-end frameworks like React, Vue.js, or Angular.
• Knowledge of mobile development in Swift or Kotlin/Java.
• Familiarity with cloud platforms and scalable architecture (AWS, Azure, Google Cloud).
• Experience with front-end frameworks like React, Vue.js, or Angular.
• Knowledge of mobile development in Swift or Kotlin/Java.
• Familiarity with cloud platforms and scalable architecture (AWS, Azure, Google Cloud).
• Solid understanding of security protocols and data encryption.
• Strong problem-solving and troubleshooting skills.

About Us:

We are building a cutting-edge communication platform that allows users to make high-quality voice and video calls over the internet. If you are passionate about real-time communication technologies and want to contribute to a rapidly growing team, we want to hear from you!

Responsibilities:

• Develop and maintain features for our real-time calling platform.
• Implement and optimize protocols for voice, video, and messaging services.
• Build scalable backend systems that handle real-time data and large-scale user interactions.
• Work closely with the frontend team to ensure seamless integration of the communication system.
• Implement security measures for end-to-end encrypted communication.
• Collaborate on designing and improving the user experience across web and mobile platforms.
• Experience with protocols such as WebRTC (Web Real-Time Communication), SIP (Session Initiation Protocol), or RTP (Real-Time Transport Protocol).
• Understanding how voice, video, and data are transmitted in real-time across networks.
• Familiarity with managing latencies, jitter, and packet loss during transmission.
• Experience with server-side technologies for handling real-time signaling, call management, and message delivery.
• Knowledge of cloud platforms like AWS, Azure, or Google Cloud, and how to scale services.
• Proficiency in languages like Java, Node.js, Python, or Go for developing scalable backend services.
• Experience with databases like PostgreSQL, MongoDB, or Cassandra for storing user data, call logs, and more.
• Proficiency in web and mobile development using technologies like React, Vue.js, or Angular for web applications.
• Native mobile app development skills with Swift (for iOS) or Kotlin/Java (for Android).
• Experience with building user interfaces that are clean, responsive, and easy to use.
• Understanding of IP-based communication and network management.
• Experience with load balancing, failover strategies, and distributed architectures.
• Knowledge of NAT traversal techniques (e.g., STUN, TURN, ICE) to enable connections behind firewalls or routers.
• Ability to write unit and integration tests for both frontend and backend systems.
• Experience with tools for load testing and simulating real-time communication scenarios.
• Familiarity with CI/CD pipelines for automatic testing, integration, and deployment.
• Understanding of containerization (Docker), orchestration (Kubernetes), and serverless architectures.
• Experience managing and deploying applications in a microservices environment.