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Job Title:
Telephony Engineer
Job Description:
- Support the operations team with debugging issues related to the telephony platform
- Identify issues with calls using monitoring and analysis tools such as VoIPMOnitor
- Write scripts to automate tasks, monitor the services and functionalities
- Contribute to the improvement of the system by providing ideas
- Help with capacity planning
- Perform the scheduled maintenance activities
- Modify the existing code to accommodate new features
Experience Range:
3- 6 years
Educational Qualifications:
Any graduation,
Job Responsibilities:
• Knowledge of open source technologies, VoIP, SIP, WebRTC etc.
• Shell scripting.
• Experience in Asterisk and Kamailio or OpenSIPS.
• C/C++ or JS programming with Linux.
• 5-8 years experience.
• Good communication skills.
• Willingness to work in the night, whenever required, for handling support related issues.
Skills Required:
ViOP, OpenSIPS, SIP, Shell Scripting, Asterisk, kamailio, C++, Linux, Development,

About [x]cube LABS
About
[x]cube LABS specializes in Digital Innovation Consulting Services. Our digital transformation strategy & solutions help businesses be at the forefront of excellence.
As a company, we believe in being the absolute best place for creative and passionate individuals to make a difference with cutting-edge technology. We offer an open, collegial work environment brimming with excitement and a focus on work-life balance. Our benefits are unmatched, combined with rapid learning and growth.
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Candid answers by the company
[x]cube LABS helps enterprises innovate and disrupt markets by leveraging digital as a strategy. We offer deep expertise in all things digital: CX strategy and transformation, digital innovation, augmented reality, virtual reality, blockchain, social, mobile, analytics, cloud, IoT, and more.
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Education : B.Tech / M.Tech only
MANDATORY CRITERIA:
- It's a Contractual role for a particular project ongoing in the company, duration will be 1 year or may exceed as per the project requirement, After that the candidate will be kept on permanent role.
- The candidate will be on company's payroll only.
- Candidate should be comfortable for directly visiting and working with client's place.
- Immediate to 15 days joiner preferred
- 3 to 5 years of hands-on experience in Linux Device Driver development
- Strong experience with Linux kernel programming & memory management
- Experience with Zephyr OS / device driver model (porting bare-metal drivers).
- Familiarity with RTOS linux kernel internals and hardware protocols (They mainly use AXI protocol, i2c, spi).
- Strong knowledge of PCIe and DMA drivers
- Proficiency in C / C++ programming languages
- Experience working with hardware interfaces/protocols (AXI, I2C, SPI)
REQUIRED SKILLS:
- Proven experience in developing Linux Device Drivers.
- Preferred experience in Zephyr (need to port bare metal drivers to zephyr OS/device driver model).
- Strong knowledge of PCIe and DMA drivers (Good to know Xilinx's IPs like AXI-DMA, XDMA etc).
- Expertise in Linux Memory Management.
- Proficiency in C/C++ programming languages.
- Preferred familiarity with real-time operating systems (RTOS), linux kernel internals and hardware protocols (They mainly use AXI protocol, i2c, spi).
Immediate to 15 days joiners are preferrable we need to close it asap.

C++ Developer / Test Engineer (GoogleTest / G-Test)
About the Role
We are seeking a highly skilled C++ Developer / Test Engineer with strong expertise in unit testing, debugging, and software quality engineering. The ideal candidate will have hands-on experience developing and executing automated test cases using GoogleTest (G-Test) and validating enterprise-grade C++ applications.
This role requires strong implementation capability, debugging maturity, and a deep understanding of software testing methodologies to improve application stability, code quality, and production readiness.
Key Responsibilities
- Design, develop, and execute unit test cases using GoogleTest (G-Test).
- Improve code coverage and ensure application reliability.
- Perform debugging, root cause analysis, and issue resolution.
- Validate server-side customizations and application behavior.
- Analyze logs and troubleshoot production and development issues.
- Collaborate with development teams to resolve defects and improve software quality.
- Support CI/CD pipelines and automation initiatives.
- Contribute to software quality, maintainability, and testing best practices.
Required Qualifications
- 3–6 years of experience in C++ development and/or testing.
- Strong hands-on experience with GoogleTest (G-Test) or similar unit testing frameworks.
- Excellent understanding of Object-Oriented Programming (OOP).
- Strong knowledge of STL, pointers, memory management, and data structures.
- Experience in debugging, log analysis, and root cause investigation.
- Familiarity with Git, Jenkins, and CI/CD workflows.
- Ability to work independently on real-world implementation and testing challenges.
- Comfortable working in a hybrid setup from Pune.
Preferred Qualifications
- Experience with Teamcenter customization or PLM applications.
- Exposure to enterprise software development environments.
- Knowledge of software quality assurance and automation practices.
What We're Looking For
- Strong practical implementation skills.
- Ownership of testing and debugging activities.
- Experience working on production-grade applications.
- Ability to analyze complex issues and drive resolutions.
- Focus on software quality, reliability, and maintainability.
Evaluation Criteria
Candidates will be assessed on:
- Practical C++ implementation capability.
- GoogleTest framework expertise.
- Debugging and problem-solving skills.
- Understanding of OOP, STL, and memory management.
- Real project ownership and execution depth.
- Code quality and testing best practices.
C/C++ Developer
We’re doing things no one has ever done. From developing game-changing technology and solutions to
helping the world’s top brands connect like never before, every day brings new challenges and opportunities
to innovate. We offer the chance to make your mark on something awesome.
What are we looking for?
Strong C/C++ programming and debugging skills in a Linux environment.
Experience with Design Patterns, ACE Framework, and Socket Programming.
Experience in Multi-threaded software development for Multicore Architectures.
Experience in VOIP application development, preferably on client/server platforms.
Understanding of system performance and scaling
Experience in embedded software development
Excellent problem solving/debugging skills design, develop, troubleshoot and debug
Software programs for databases, applications, tools, networks etc.
Requirements:
Bachelor's degree in Computer Science or related field or equivalent experience.
3-6 years of software engineering or related experience.
Location: Bangalore/Hybrid Model
Domain Skills
Leads a team of Engineers for designing and architecting next generation platform solutions for clusters/Interior monitoring systems
Architecting the design for new features and technologies for Platform.
Expertise in programming using C, C++ and good understanding of OOAD & UML
Capable of analyzing HW schematics to realize the SW requirements.
Support and resolve issue resolutions and clarification for cross-functional teams.
Support team lead and project manager at program level in resolving open issues
Technical Skills
Expertise in memory management (eMMC, NAND)
Design, Develop and test device drivers in Linux/Android/QNX platform.
Multithreaded programming, usage of IPCs, Interrupts & synchronization methods.
Expertise in using the communication protocols (I2C, SPI & UART) in the device driver.
Expertise in handling Device Tree based configurations.
Strong C & C++ programming skills, OOPS concepts
Linux Architecture knowhow
Strong in software development for real-time embedded systems
Experienced in Design/Architecture Tools like EA
Expertise in SCM Tools like GIT/GERRIT
Ability to create and review changes for Gerrit and participate in a continuous integration loop
Ability to create/understand the build infranstructure using CMake for the middleware components
Experience in Unit test tools like cppunit, gtest.
Know-how and experience of SAFe/Agile Development
Knowledge in Automotive Safety Standards and Processes (ASPICE).
Logical, Analytical and Debugging/Problem-Solving skills
Qualifications
B.E/B.Tech in Computer Science with hands on with Embedded software development on RTOS
- Become a member of the team responsible for IoT hub software development. IoT hub provides IoT functionality (smart home, smart appliance,…) to mobile and web clients and runs on Linux-based host like smart home hub, broadband router, STB, etc.
- Implementation and/or extension of leading wireless/wired protocols (ZigBee, Bluetooth, IP-based,..) for communication with smart devices
- Development of new features for control and monitoring of smart devices and automation of IoT system
- IoT hub software porting on various hosts
- Software optimizations
Position: C++ Developer
Location: Hyderabad
Requirements:
- Strong C++ skills obtained in multiple years of C++ programming experience (at least 3 years)
- Good understanding of embedded system development based on Linux OS
- Knowledge of advanced programming concepts (e.g. Multi-Threading, OS internals, Networking, IPC mechanisms)
- Solid understanding of computer networking (TCP/UDP/MQTT/SSL)
- Solid understanding of Git source code management system
- Troubleshooting skills
- B.Tech/M.Tech/MCA in computer science/ECE/EEE
- Fluent English
VOIP Developer
- Knowledge on PSTN lines
- Good understanding of TCP/IP protocol stack and practical knowledge of LAN / WAN
- Good knowledge of value-added features such as Voicemail, ACD, IVRS, CTI, etc
- Familiarity with SIP / SDP protocol / Softphones
- Familiarity with OpenSIPS, Kamalio
- Familiarity with Freeswitch
- Familiarity with MySQL
- Knowledge of Linux / server administration
- Familiarity with C language
- Firewall, Security
- Knowledge of WebRTC
- Standard features of Enterprise Communication Servers (PBXs)
- Problem Troubleshooting and debugging techniques (both Hardware and Software)
Solinas Integrity (www.solinas.in) is a leading water & sanitation robotics start-up founded by IIT Madras Alumni & professors to develop cutting edge solutions to solve the problems in water pipelines and sewer lines\septic tanks, thereby improving the lives of millions of people. Our core values start with trust, and respect for everyone and along with strong collaboration and communication. We believe in giving agency to our teammates and strongly pushing them towards developing a growth mindset.
Duties and Responsibilities:
- To develop and improve signal processing algorithms for analysis of acoustic signals with up-to-date knowledge on processing methods.
- Understand key acoustic algorithm functions, develop efficient code, verify performance and functionality.
- Exposure to all phases of software development life cycle (concept, design, implementation, test, and production).
- Propose innovations to improve performance, quality, etc.
- Work with peers to develop excellent, structured code, well-optimized and easily maintainable.
Basic Qualifications:
● Experience programming in either Python, C++, or MATLAB
● MS/PhD degree in Electrical/Electronics Engineering/ Signal processing
● At least 1 year of signal processing or related area
● Good analytical and problem-solving skills
● Good knowledge of signal processing techniques, basic knowledge of ML algorithms and good visualisation skills.
ROLES AND RESPONSIBILITIES:
• Articulate complex problems, communicate viable architecture and design approach in a clear and concise manner.
• Thrive in a collaborative team environment and work with ambiguous product requirements.
• Evaluate opensource technologies, development stack and strive for new learning, continued growth by applying industry best practices and processes.
• Provide thought leadership in cloud based VoIP(Voice/WebRTC) services and bring your passion for technology to motivate and inspire on a day to day basis.
SKILLS REQUIRED
• 4+ years experience in building highly available, fault tolerant and scalable real-time communications(Voice and WebRTC) systems in the cloud (AWS preferred).
• Demonstrated history of building complex, high-performance applications in C/C++.
• Proven expertise in network and system performance optimizations(including kernel, containers and virtualization technologies).
• Proficiency in telecom protocols (SIP, SDP and RTP/RTCP) and internet protocols(IPv4/IPv6, TCP and UDP) is desirable.
• Deep understanding of all aspects of WebRTC from audio codecs, to networking (ICE, STUN, TURN) up to server side components needed to deploy the technology at scale (SFU, MCU, Relays) and network security(TLS, SRTP).Strong analytical, problem solving and troubleshooting skills.
• Programming experience with Python, Golang and Lua will be a plus.
• Prior experience working with Asterisk, FreeSWITCH, RTPEngine, Kamailio, or OpenSIPs will be a plus.










