
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.

About Octro Inc
About
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.
Connect with the team
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Employment Type: Full-Time, Permanent
Shift: Day Shift
Experience: Minimum 4+ years in FreeSWITCH/VoIP Development
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- Design, develop, deploy, troubleshoot, and maintain tools and services supporting our cloud telephony network.
- Customize FreeSWITCH for large-scale audio/video conferencing (1000–1500 concurrent calls).
- Expertise in SIP, RTP, RTCP, TURN, STUN, NAT, TLS.
- Hands-on experience with RTP Proxy and routed audio conferences.
- Understanding of SDP Protocol offer/answer mechanism.
- Work with load testing tools for FreeSWITCH audio conferences.
- Deploy and manage multiple FreeSWITCH instances using load balancers.
- Debug issues using packet captures (Wireshark/Ngrep).
- Collaborate with mobile/API teams for integration and support.
- Knowledge of codecs (PCMU, PCMA, G729, Opus) and open-source telephony technologies (FreeSWITCH, WebRTC).
- Familiarity with SIP servers (SER/OpenSER), proxy servers, SBC, SIPX is a plus.
Qualifications:
- Bachelor’s degree in Engineering (B.Tech/MCA).
- 4+ years of hands-on experience in FreeSWITCH development or related VoIP technologies.
- Strong knowledge of Linux environments and command-line tools.
- Basic to intermediate SQL knowledge.
- Proficiency in scripting (Bash, Python, Perl) for automation.
- Strong understanding of VoIP protocols (SIP, RTP), networking principles (TCP/IP, DNS, DHCP, routing protocols).
- Excellent troubleshooting skills with ability to resolve complex technical issues.
- Strong problem-solving, communication, and collaboration skills.
Industry Preference:
- Travel (Preferred)
- Any Industry (Required)
-5+ years of experience working as a software engineer in a fast-paced environment.
-Well-versed with Golang or Javascript.
-Experience with AWS is a bonus
-You have analytical and problem-solving skills, and can communicate your ideas.
-Experience with WebRTC, iOS, Android, or C++ development is a bonus.
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-Work closely with the founders and the team to plan, design, and build the next iterations.
-You will collaborate closely with other engineers on the team and lend your help in your areas of expertise.
-Build micro-services to support new functionality.
-Build best practices to improve the current API workflow
-Help design and develop the next iteration of our observability platform.
-Mentor and hire Junior Developers.
2. Completely responsibile for architecture, wireframe, frameworks, coding, UI/UX, Database, Security, privacy etc.
3. Developing Android and Web Applications.
4. Responsible for cost optimzation and scalability of the product.
5. Preparing and presenting reports related to product development
• Strong experience as a Java/J2EE development is required
• Excellent working knowledge in SPRING MVC, SPRING BOOT,
• Strong background in developing and deploying software that runs in a real-time, multi-threaded environment
• Good knowledge and experience with concepts of MVC, JDBC and RESTful API Integration
• Experience with threaded and asynchronous environment
• Experience with any of the following Frameworks is Desired: Spring, Spring Boot, Hibernate
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• Developing and implementing strong algorithms/techniques for solving problems in a high-volume, high-availability environment
• Engaging end-users to identify new requirements, strategic direction and highlight issues
• Defining and building maintainable processes that provide resilient and stable platforms, which support end user’s business/technical demand
• Integrating new services and providing clean APIs and services for applications
• Understanding volume growth to ensure the systems
Knowlarity Communications is India's largest cloud-based solutions provider. Our virtual phone system and enterprise solutions help make your business reliable and intelligent. With the capability to process over a million calls an hour, Knowlarity is a trusted brand for more than 8000 companies worldwide, SMBs as well as enterprises. We are funded by Sequoia Capital and Mayfield, headquartered in Singapore and have offices in Gurgaon, Mumbai, Bangalore, Dubai and the Philippines. Knowlarity solves business problems by making telephony intelligent and reliable in real time over the cloud, for Enterprises.
Must Have:
Languages : C, Python
DataBase: MySQL, PostgreSQL
Tools: Git
Operating System: Linux
Protocols: SIP, RTP, WebRTC
Good to have:
Languages : AWS, GCP, Azure (Cloud services)
Tools: FreeSWITCH, Asterisk, OpenSIP
We offer:
- A competitive salary and extensive social benefits
- Opportunity to be part of a team that invented and dominates the emerging market in the cloud telephony industry.
- Massive opportunities for growth.
- Work from a prime location - easy accessibility from both Gurgaon and Delhi.
- Work-life balance and support for career development.
- An amazing life inside the Knowlarity! Want to know more about it
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