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)
Shubham Vishwakarma
Full Stack Developer - Averlon
About Monjura Parveen
About
Company social profiles
Similar jobs
C++• C++ , Unix Environment ( Linux/AIX/HP UX), Oracle/MySQL
• Excellent command on OOPS
• Minimum of 3 years (for Mid and Junior) of hands-on work experience in C++, Unix
• Oracle/MySQL
• Hands-on experience of using data structures, STL, Boost libraries, Design patterns
• Exposure to XML or Edifact is desired
• Exposure to XSLT mappings is a plus
• Excellent troubleshooting skills
• Exposure to CppUnit (or similar tools)
Experience range:
• 4 to 8 years of experience
Joining Location:
• Pune, Gandhinagar & Hyderabad (Preferably Pune & Gandhinagar)
Python
Django
Docker
KubernetesHiring For SDE II - Python (Remote)
The Impact you will create:
-
Build campaign generation services which can send app notifications at a speed of 10 million a minute
-
Dashboards to show Real time key performance indicators to clients
-
Develop complex user segmentation engines which creates segments on Terabytes of data within few seconds
-
Building highly available & horizontally scalable platform services for ever growing data
-
Use cloud based services like AWS Lambda for blazing fast throughput & auto scalability
-
Work on complex analytics on terabytes of data like building Cohorts, Funnels, User path analysis, Recency Frequency & Monetary analysis at blazing speed
-
You will build backend services and APIs to create scalable engineering systems.
-
As an individual contributor, you will tackle some of our broadest technical challenges that requires deep technical knowledge, hands-on software development and seamless collaboration with all functions.
-
You will envision and develop features that are highly reliable and fault tolerant to deliver a superior customer experience.
-
Collaborating various highly-functional teams in the company to meet deliverables throughout the software development lifecycle.
-
Identify and improvise areas of improvement through data insights and research.
Primary Responsibilities
-
End-to-end ownership of product development, from design, through implementation, testing, deployment, and maintenance
-
Translating high-level requirements and end-user use cases into design proposals, decomposing complex features into smaller, short-term deliverable tasks
-
Maintaining constant focus on scalability, performance and robustness of architecture
-
Designing and implementing logging, monitoring and alerting systems for existing and new infrastructure
-
Documenting API's and architecture design
-
Mentor and guide juniors on their path to become solid developers
What we look for?
-
4+ of industry experience in technical leadership roles
-
Solid knowledge of Python, SQL, NoSQL, shell scripting and Linux operating environment
-
End-to-end experience in design and development of highly scalable enterprise and cloud data products
-
Ability to challenge and redefine existing architecture to create robust, scalable and reliable products
-
Hands-on experience with design and troubleshooting of scalable web services, queue based systems, distributed databases and streaming services
-
Experience with modern DevOps technologies such as kOps, Kubernetes and Docker, CI/CD, monitoring and autoscaling
PythonDjango
FlaskC++Mandatory Skill set : C++ and Python - UNIX- Database - SQL or Postgres
Developer Role EXP : 3 to 5yrs
Location : Bangalore /Chennai/Hyderabad
1. Strong proficiency in C++ , with fair knowledge of the language specification (Telecom experience is preferred).
2. Proficient understanding of standard template library (STL): algorithms, containers, functions, and iterators
3. Must have experience on Unix platforms, should possess shell scripting skills.
4. Knowledge on compilers(gcc, g) and debugger (dbx). Knowledge of libraries and linking.
5. Good understanding of code versioning tools (e.g. Git, CVS etc.)
6. Able to write and understand python scripts (both python2 and python3)
7. Handson with logic implementation in python and should be familiar with list comprehension and is comfortable in integrating it with C++ and Unix scripts
8. Able to implement multithreading in both C++ and Python environment.
9. Familiar with Postgres SQL.
C++ developer with Python as secondary - 3 to 4 yrs exp / should be CW.
Java
Spring BootRoles and Responsibilities:
- Proven experience in Java 8, Spring Boot, Microservices and API
- Strong experience with Kafka, Kubernetes
- strong experience in using RDBMS (Mysql) and NoSQL.
- Experience working in Eclipse or Maven environments
- Hands-on experience in Unix and Shell scripting
- hands-on experience in fine-tuning application response and performance testing.
- experience in Web Services.
- Strong analysis and problem-solving skills
- Strong communication skills, both verbal and written
- Ability to work independently with limited supervision
- Proven ability to use own initiative to resolve issues
- Full ownership of projects and tasks
- Ability and willingness to work under pressure, on multiple concurrent tasks, and to deliver to agreed deadlines
- Eagerness to learn
- Strong team-working skills
PHP
Laravel
PostgreSQLAbout the role
As a core team member in our growing startup, we're looking for an exceptionally hard working candidate who is full of ideas, accountable and has self-learning abilities and make a significant contribution to our growth journey.
Requirement:
The candidate must have at least 2 years and ideally up to 8 years of experience in an IT Product company / Startup. Must have expertise in
MUST HAVE SKILLS
Back-end development using Laravel, Lumen, MySQL / PGSQL
- RESTful API development & integration of 3rd party services (like payment gateways, Email marketing tools, SMS/ Whatsapp, etc.)
- High quality coding which can be replicated and used to scale.
- Prompt to troubleshoot and fix bugs and use of GIT
PREFERRED SKILLS (Not Mandatory)
- Experience in React.JS, AWS, DevOps
- Experience in a Product based SaaS Startup.
- Passionate about building products and features and building a product from scratch with thrust on DevOps, Web security, TLS/SSL, web sockets, etc.
- Have a good understanding of setting up & managing cloud servers like AWS, Google cloud, etc.
- Manage Key-value based databases like Redis
Additional Information
- Immediate / Early joiners preferred.
- This is a Work from Office / Hybrid role.
- Office is in Green Park, New Delhi 110016 (5 min walk from Metro station)
- BYOD - Bring your own device (Laptop)
- Candidate must be willing to work in a high exposure - high accountability Startup environment and grow significantly with the company.
About the Company
hiringplug™ is an AI Marketplace of specialist Recruiters that enables companies to acquire top talent, faster. The company offers an Award winning RaaS™ Marketplace: Recruitment as a Service Marketplace™ The company is at an interesting expansion stage and looking for exceptional talent to be a part of their growth story. | www.hiringplug.com
Get to know us
- https://www.instagram.com/" target="_blank">https://www.instagram.com/hiringplug
- https://www.facebook.com/" target="_blank">https://www.facebook.com/hiringplugofficial
- https://twitter.com/" target="_blank">https://twitter.com/hiringplug
- https://blog.hiringplug.com
- www.hiringplug.com
- “Top HR & Work Tech Startup” – by People Matters both in 2019 & 2020
- “10 Best HR Tech startups 2019” – by Silicon India in Oct 2019
- “Best resourcing software 2019” – by HR Association of India in Jan 2019
Talk to you soon!
PostgreSQL
Ruby
Ruby on Rails (ROR)
DjangoPythonThis includes working on:
a) The main Django application, a large, modern, Django app built using Python 3.8 and the latest Python and Django libraries;
b) The API, built using Django Rest Framework (DRF) that is used both by our web-app and client libraries to build and run data analyses;
c) Backend code that integrates our web server with the rest of our cloud architecture, including our PaaS, data science code, general integrations such as payments, devops code, and more.
Ideally, you should have experience working on Django codebases which serve both server-side rendered pages and APIs via DRF. Frontend/full-stack knowledge is a an advantage but not essential. Familiarity with modern development practices, such as CI/CD, testing, DevOps, Docker, Linux and git would be a big plus. You must have very strong familiarity with Python development, and be excited to pick up the new technologies and skills - for instance we use Python type-hints across our codebase extensively.
You should like the idea of releasing to real customers regularly, and prioritise getting a great product into users’ hands for feedback and iteration. You will have extensive scope to build and architect the backend, and to help grow the team in the future.
JavascriptPythonJavascriptPython
NodeJS (Node.js)DjangoJavascript
HTML/CSSPython
Follow CutshortShubham Vishwakarma
Full Stack Developer - Averlon