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Spring BootRole Overview
We are looking for a hands-on Senior Telephony Engineer who actively writes production-grade code and has deep experience with Asterisk-based systems, Java backend development, and high-scale dialler platforms.
Key Responsibilities
This is NOT an architecture-only role we need someone who can:
- Write code
- Debug real-time call issues
- Build and optimize telephony flows end-to-end
- Key Responsibilities (Hands-on Coding Focus)
- Develop and maintain Asterisk dialplans, AGI scripts, and call flows
- Build Java-based backend services for telephony control and orchestration
- Implement and optimize predictive / preview / progressive diallers
- Integrate telephony stack with:
Kafka
RabbitMQ
- Write scalable code for call routing, retry logic, and queue handling
- Work directly on SIP signalling, RTP flows, and debugging call issues
- Handle real-time call events, CDR processing, and logging pipelines
- Optimize systems for high concurrency (thousands of parallel calls)
- Debug production issues like:
Call drops
Latency
One-way audio
SIP failures
Qualifications & Skills
- Bachelors degree in Computer Engineering; Masters is a plus.
- Telephony (Core Requirement)
- Strong hands-on experience with Asterisk
- Deep knowledge of:
SIP / RTP / VoIP
Dialplans
AGI / AMI
- Experience building or maintaining dialers (very important)
- Backend Development
- Strong coding skills in Java (Spring Boot preferred)
- Experience building microservices / APIs
- Comfortable writing high-performance, low-latency code
- Messaging & Event Systems
- Hands-on experience with:
Apache Kafka
RabbitMQ
- Ability to implement event-driven systems
- Scaling & Performance
- Experience handling high call volumes (1000+ concurrent calls)
Understanding of:
- Multi-threading
- Queue management
- Load handling
- Good to Have
- Experience with predictive dialers
- Exposure to WebRTC / real-time communication
- Experience with Docker / Kubernetes
- Understanding of TRAI / Indian telecom ecosystem
- Experience with FreeSWITCH (bonus)
What We Are NOT Looking For
- Pure solution architects who dont code
- People with only theoretical telecom knowledge
- Candidates without real dialer / Asterisk production experience
What We Are Looking For
Someone who has:
- Written real dialplans and backend code
- Debugged live call issues
- Worked on production telephony systems
- A problem solver who can go deep into logs, packets, and code
Impact of the Role
You will directly contribute to building a high-scale telephony + AI voice platform, working on real-time systems that handle thousands of concurrent calls.
About Role: You are required to develop & integrate Games.
working on mobile clients for integration of voice and video features
Knowledge of structured development environment with strong logic and OOP fundamentals.
Proficiency with JavaScript and ability to self-learn and work on newer game engines
Knowledge of programming gameplay for multiplayer games.
Candidate should be able to handle end to end delivery of the product.
Candidate should be passionate about gaming.
Candidate must have a positive and problem-solving attitude.
3D projects and knowledge of Mechanism is a must.
Required Skills
- Strong programming in any of these: Unity/C#/C++ / Java
- Experience in Webrtc & Freeswitch project is a must
- Experience supporting all stages of the development lifecycle
- Ability to work in cross platform environments (Android, iOS and Windows)
- Works well both in a team and independently
- Actively seeks to improve skills
About us:
Octro is one of the biggest and fastest growing mobile gaming companies in India founded by Mr. Saurabh Agarwal, a Stanford Alumnus, in 2007.
At Octro Inc, we reimagine games that have been played for generations on mobile platforms. We are a technology organization at heart and take pride in the platforms we create.
We are a venture backed startup with a successful track record of developing and launching innovative and creative mobile / social games targeting Indian players.
Octro was funded by Sequoia in 2014 and has more than 20+ successfully running games including top grossing casino games like Indian Rummy, Teen Patti etc. Octro has more than 80 million + download and 10 million + active users every week. It has offices in Noida and Chandigarh.
A game brand that has captivated and continues to engage millions of players (2 Million + daily active users). The technology platform we have created enables awesome gaming experience for users. Our games scale to massive numbers of online users with great performance.
Our games can be played with your friends and compete with virtual currency.
Our games are amongst the ten top apps earning the most revenues on both Android and Apple's iOS store in India.
Go Programming (Golang)
Python
PostgreSQL
Redis
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