Webrtc Developer

Review Criteria

Strong Backend Developer with Rust knowledge

·       3+ YOE as a Software Engineer

·       Expert level knowledge in Rust or Realtime experience in Rust

Role & Responsibilities

·       You will be working with the Rust compiler and will be responsible for compiling to alternate targets such as WebAssembly

·       You will be exposed with TDD for unit testing individual functions and integration testing for testing publicly exposed APIs

·       Working with a Git style workflow where every commit deploys to a stagingenvironment and merged pull requests deploy to production

·       Setting up CI/CD pipelines for testing and deployment (canary, staging) using Github actionsaccording to project needs

·       Developing software in Rust

·       Maintaining and improving existing rust codebases.

Ideal Candidate

·       Excited about working with Rust

·       4 -7 years of experience in shipping production applications

·       B.Tech in Computer Science Engineering from Tier 1 Colleges only

·       Entrepreneurial mindset with strong decision-making skills

·       Ability to move quickly without breaking things too much (we are dreamers)

·       Ability to work under immense pressure which is balanced by a sense of responsibility and ownership

Job Specific Criteria

• CV Attachment is mandatory
• How many years of rust coding experience you have?
• Do you code in rust daily?
• Have you shipped application to production in rust?
• Are you well versed with tokio, webassembly, leptos and actix?
• Have you contributed in Open source, or articles, patent, given tech presentations, or made an outstanding tech contribution apart from day to day work?
• Please share Github link in resume
• How much is your CGPA in graduation?
• Reason for job change?
• Provide a brief about the Candidate Background and Work Experience (Minimum 50 Words).Highlight achievement any extraordinary work they have done apart from regular BAU.
• This role is remote for now, but will require relocation to Dubai for WFO after a few months. Are you okay with this? -

About the job

As a Senior SIP Engineer, you must take complete ownership of supporting all VoIP infrastructure, debugging issues related to specific servers or software, or remote clients such as SIP devices (both virtual such as soft-phone or WebRTC client, and physical such as a desk phone or an on-premise PBX), and providing fixes.

• Support customers during EST timezone during critical releases or emergency incidents 5+ yrs of supporting global VoIP services and/or applications on cloud-based servers.
• Expertise in SIP call flow analysis and debugging Expertise in setup and maintaining SIP-based monitoring, debugging, and alerting services
• Experience scripting call flow, dialplan, and custom routing with FreeSwitch using LUA and XML
• Experience in debugging Kamailio and Freeswitch-based applications is a must Good problem-solving and analytical skills Excellent written and verbal communication
• Experience working with open-source projects
• Exposure to SIP Carrier Integration
• Advanced Experience with cloud media infrastructure (load balancers, gateways, SBCs, STUN, TURN)
• Advanced Knowledge of all modern VoIP protocols/platforms including (SIP, RTP stack & SDP, RTCP, TCP, UDP, SIP, HTTPS, SSL/TLS)

About the Role:

We are looking for an experienced VoIP Developer to design, develop, and maintain enterprise communication systems. You will work with Kamailio, OpenSIPS, Freeswitch, and Asterisk to build scalable VoIP solutions.

Skills Required:

• Hands-on experience with Kamailio, OpenSIPS, Freeswitch, Asterisk
• Knowledge of IMS & Diameter
• Proficiency in C / C++ programming
• Strong understanding of TCP/IP, LAN/WAN, VLAN/L3 VPNs
• Good knowledge of SIP/SDP, RTP/SRTP, TLS protocols
• Experience with MySQL / MongoDB
• Understanding of Enterprise PBX features
• Problem-solving and debugging skills
• Good written and verbal communication

Nice-to-Have:

• Building softPBX, Voicemail, ACD, IVRS applications
• Experience with Python, PHP, Java, JavaScript
• Linux administration and command-line skills
• Knowledge of WebRTC, firewall, security
• Familiarity with tools like cmake and git

What We Offer:

• Remote / flexible work options
• Opportunity to work on large-scale VoIP systems
• Collaborative environment with skilled peers

Job Opening: FreeSWITCH Developer

Location: Ecospace Business Park, Rajarhat, Newtown, Kolkata

Employment Type: Full-Time, Permanent

Shift: Day Shift

Experience: Minimum 4+ years in FreeSWITCH/VoIP Development

Responsibilities:

• 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)

At Monarch, we’re leading the digital transformation of farming. Monarch Tractor augments both muscle and mind with fully loaded hardware, software, and service machinery that will spur future generations of farming technologies.

With our farmer-first mentality, we are building a smart tractor that will enhance (not replace) the existing farm ecosystem, alleviate labor availability, and cost issues, and provide an avenue for competitive organic and beyond farming by providing mechanical solutions to replace harmful chemical solutions. Despite all the cutting-edge technology we will incorporate, our tractor will still plow, till, and haul better than any other tractor in its class. We have all the necessary ingredients to develop, build and scale the Monarch Tractor and digitally transform farming around the world. For more details visit

www.monarchtractor.com

Monarch Tractor Electric Tractor

Monarch Tractor is the maker of the world’s first fully electric, driver-optional tractor making sustainable farming economically superior.

www.monarchtractor.com

Requirements and skills:

· 3+ Years of software development experience

· Strong in data structures and algorithms

· Solid understanding of Linux development environment and systems

· Expert level knowledge of Python along with frameworks some application framework

· Prior experience with WebRTC and video streaming protocols like RTMP, RTP and payloads

· Prior experience of h264, h265, vp8, vp9 and av1 encoders and decoders

· Prior experience with GStreamer pipelines

· Knowledge of C++ and proxy servers such as NGNIX is an added advantage

· Proficient in writing unit test cases using the Pytest framework.

· Expert level knowledge of SQL databases like MySQL

· Understanding of microservices architecture

· Knowledge of AWS cloud services like EC2, S3, Lambda etc.