
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

About Ecosmob Technologies
About
Ecosmob is a fast-growing global IT company delivering innovative and integrated business solutions across diverse industries. Specializing in VoIP systems, mobile applications, e-commerce platforms, and web development, Ecosmob leverages advanced technologies such as PHP, Node.js, WordPress, and Joomla to provide customized solutions tailored to client needs. The company has a proven track record of delivering complex projects on time, helping businesses enhance operational efficiency and customer engagement.
With a client-centric approach, Ecosmob also offers consulting, offshore development, and technical support services to ensure seamless business integration. Its portfolio includes projects like 911 Notification Systems, Asterisk Billing Solutions, PBX in USB, Web Click2Call, and Fax over IP, among others. Committed to excellence and innovation, Ecosmob continues to expand its global presence, helping businesses achieve measurable value through technology and domain expertise.
Company video


Candid answers by the company
Ecosmob provides global IT solutions specializing in VoIP, mobile apps, e-commerce, and web development.
Photos
Connect with the team
Similar jobs
Key Responsibilities
- Design and develop system-level components on the Windows platform using C/C++
- Knowledge on Windows security, authentication, and credential management modules
- Troubleshoot and debug low-level Windows OS issues
- Collaborate with cross-functional teams to deliver secure and scalable solutions
- Ensure code quality, performance optimization, and adherence to best practices
Required Skills
- Strong programming experience in C/C++
- Hands-on experience with Windows OS internals and Windows platform development
- Good understanding of:
- Windows Security & Authentication
- Windows Credentials
- Cryptography concepts
- Kerberos
- Secure Enclave / Trusted Platform Module (TPM)
- Strong debugging and problem-solving skills
- Proficient experience of minimum 3 years into C++ & experience using MFC library.
- Good experience into C# programming.
- Working experience into COM.
- Good Communication skills.
Responsibilities
- Design and build highly reliable, scalable and performant infrastructure for media heavy workflows.
- Own large technical deliverables and execute in a structured manner.
- Take the accountability of the overall health of the infrastructure you build.
- Platformize components as libraries, utilities and promote reuse.
- Be able to conceptualize and develop prototypes quickly.
- Lead by example, mentor and guide team members on everything from structured problem solving to development of best practices.
Requirements
- 4 to 10 years of industry experience in software engineering with at least 4 years in Video, Audio & Image processing and streaming technologies.
- Deep expertise with various codecs, compute efficiency, streaming protocols and network topologies for media heavy workflows.
- Deep understanding of your tools: Languages, frameworks, libraries and systems.
- Experience with abstracting requirements into frameworks.
- Hungry to learn, share knowledge, and enjoy mentoring others.
- Data driven, having customer empathy, striving to build best of class, performant services.
In this role, you will be responsible for building world-class technology products and platforms that are at the forefront of the technology revolution in the Indian healthcare ecosystem. You are someone who insists on the highest standards for quality, maintainability, and performance.
Bachelor of Engineering with specialization on ECE or CSE or IT or Master of Computer Applications
MANDATORY SKILLS:-
C / C++ // Device driver Programming and data structures.
Linux Internals ( System calls, IPC, Network Programming, POSIX Multi-thread programming)
DESIRABLE SKILLS :-
C++ and OOPs knowledge
Linux system start-up sysvinit, systemd,
Bootloaders : uBoot
Message bus protocols like dbus
Basic Linux Device driver knowledge
Linux Build framework – Yocto-Bitbake, Makefiles
Python scripting
Debug using tools such as GDB
Version control - GIT and SVN and
Founder’s LinkedIn profile
Dheeraj Pandey
(Founder, Investor, & Then-CEO of Nutanix / One of the Indian origin guy out of 10 Board Member of- Adobe / Alumni- IIT, Kanpur & University of Texas, Austin)
https://www.linkedin.com/in/dpandey/">https://www.linkedin.com/in/dpandey/
&
Chandra Nath
(Vice President- Nutanix/ Vice President, Head of International- Ola (ANI Technologies Pvt Ltd) – Alumni- IIT, Kanpur, The University of Chicago Booth School of Business)
https://www.linkedin.com/in/chandranath/">https://www.linkedin.com/in/chandranath/
&
Manoj Agarwal
(Co-Founder at Stealth Startup, Previously SVP Engineering & GM Hybrid Cloud at Nutanix/ Alumni- IIT, Kanpur)
https://www.linkedin.com/in/devreveler/">https://www.linkedin.com/in/devreveler/
- Headquarters: Austin, Texas, United States
- Year founded: 2020.
- Work Location: Bangalore
- Team size: 35-40 (In US from companies like Google, Airbnb, Blizzard, Facebook, Palantir, Microsoft, CapitalOne, Nutanix and Confluent)
- Funding: 50 M USD (raised the largest seed round in the history of Silicon Valley)
Note:
We already have a team of 30-35 people in San Jose, California, United States, now we are building a new team in india and they are hiring 0-5 years of rock stars from top notch colleges (Top 5 ranked IIT’s only & BITS) & companies only.
Note:
Basically, I did not have the exact JD with myself, but I can arrange an Exploratory call for you with above senior and core members of a company (Dheeraj/Chandra/Manoj).
Job Role – Backend developer.
If you think, you are one of them then please reply with your interest and we will take your candidature ahead for next level of evaluation. (No Bar of budget for strong candidate).
Looking forward to taking you to the next level of technology.
Warm Regards,
Rahul Rajput
Senior talent acquisition
Strong competencies in data structures and algorithms.
Optimizing algorithm and code for performance or memory.
Familiarity with Linux/UNIX tools.
Engineers from Tier 1 college
Your Impact
This team is accountable for platform architecture evolution to meet the evolving needs of different business lines globally with rapid software deployment. As stewards of critical components in order execution and post-trade, the team is accountable for a high degree of software quality. The team consists of self-guided pragmatic individuals who are motivated to change the status quo in calculated ways.
As a member of the team, you will play an integral role on the trading floor. This is a dynamic, entrepreneurial team with a passion for technology and the markets, with individuals who thrive in a fast-paced changing environment. The team takes a data driven approach to decision making and you should be willing to participate in the full product lifecycle from requirements gathering, design, implementation, testing, support, and monitoring trading performance for systems and strategies used by our clients.
RESPONSIBILITIES AND QUALIFICATIONS
Responsibilities
+ Design, build and maintain low latency, high-performance electronic trading platform components, with a focus on market data, exchange and client connectivity and risk controls.
+ Deliver continuous optimization for latency, scale and resiliency improvements.
+ Participate in system builds for various markets globally, have curiosity and interest in understanding market microstructure details, work closely with engineering, sales and product teams globally for successful delivery of projects.
+ Basic Qualifications
+ Bachelors or Masters degree in computer science or engineering or equivalent experience
+ 3+ years of professional experience developing deterministic high performance, low latency systems in C++ (counted in single digit microseconds)
+ Prior experience with FIX and binary exchange connectivity and market data protocols preferred
+ Strong knowledge of object oriented programming, data structures, algorithms and design patterns
+ Critical path analysis, performance optimization and hardware acceleration.
+ Linux systems programming experience including memory management, concurrent programming infrastructure, and the networking stack
+ Experience developing distributed architecture systems and messaging protocols
+ Strong analytical and problem solving skills
+ Comfortable in a fast-paced environment, self-motivated, results driven and commercially focused
Preferred Qualifications
+ Software development in C++ in the context of high performance (low-latency, high-throughput) real-time computing.
+ Familiarity with STL and C++11/14 language extensions, Boost
+ Network programming (sockets, TCP/UDP/Multicast protocols)
+ Multi-threading, concurrent programming
+ Intimate knowledge of compilers, flow of data at hardware level (memory/caches, buses) + Some experience with FPGA or other hardware acceleration technologies
+ Experience processing large static datasets as well as high volume ticking data sources + Over 3 years' experience in Financial industry(Good to have)
Immediate Interviewing for Developer for Rajahmundry Location.
Job Description:
1+ Years Experience on software development on any software language.
Experience with software design and development in a test-driven environment
Knowledge of coding languages (e.g. C++, Java, JavaScript) and frameworks/systems (e.g. AngularJS, Git)
Ability to learn new languages and technologies
Problem-solving aptitude
Excellent communication and presentation skills
Job Description:
Requirements:
- BS in Computer Science, Computer Engineering, Electrical Engineering, Mathematics or a closely related computer technical field with 3+ years experience programming with at least one of the following languages:Java, C++, C#, Python, Go, or Perl;
OR
- MS in Computer Science, Computer Engineering, Electrical Engineering, Mathematics or a closely related computer technical field 2+ years experience programming with at least one of the following languages: Java, C++, C#, Python, Go, or Perl.
ALSO
- Minimum 3 years of experience building applications using at least one of the following: web application technologies including: HTML, CSS, or Javascript; OR Databases, for example: Mysql, Mongo, ora similar program; OR a collection of systems connected and communicating via a network connection
- Minimum 1 year of experience mentoring more junior Engineers
- Significant experience with large scale, high-performance systems














