Senior Software Engineer C Linux Multimedia Engineer

Quest Global; Bengaluru; On-site; INR 2,500,000 - 4,500,000; Full time

Job summary

Quest Global is seeking an experienced C++ multimedia developer to design and optimize high‑performance applications on Linux. You will extend GStreamer with custom plugins and pipelines for audio and video streaming, integrating audio post‑processing to enhance sound quality.

The role requires 5+ years of Linux C++ experience, strong GStreamer expertise, and familiarity with codecs, RTP/RTSP, and multithreaded design. Collaboration with cross‑functional teams is essential.

Qualifications

• 5+ years of hands-on C++ software development on Linux.
• Proven expertise with the GStreamer framework, including pipeline design and troubleshooting.
• Solid understanding of audio/video codecs and container formats.
• Experience with real-time audio/video processing and multimedia streaming protocols (RTP/RTSP).
• Strong OO design and development skills.
• Experience with audio post-processing techniques and frameworks.
• Multithreaded programming and IPC in Linux environments.
• Proficient in debugging with GDB/Valgrind and version control with Git.
• Nice-to-have: FFmpeg, VLC, WebRTC, SIP signaling, GPU acceleration, Agile, embedded Linux.

Responsibilities

• Design, develop, and maintain efficient C++ code for multimedia apps on Linux.
• Extend GStreamer with custom plugins and pipelines for audio/video streaming.
• Integrate and optimize audio post-processing to enhance sound quality.
• Troubleshoot and debug multimedia pipelines and system components for performance.
• Collaborate with hardware and software teams to integrate components.
• Work with codecs such as H.264/H.265/AAC/Opus for compatibility and performance.
• Develop multi-threaded, event-driven Linux applications using IPC.
• Keep up-to-date with multimedia tech trends and document components.

Skills

C++ on Linux

GStreamer

Real-time processing

Multithreading

GDB/Valgrind

Git

Education

Bachelor’s or Master’s in CS/SE

Tools

FFmpeg

VLC

WebRTC

SIP signaling

GPU computing

Job description

Job Description

Job Requirements

At Quest Global, it’s not just what we do but how and why we do it that makes us different. With over 25 years as an engineering services provider, we believe in the power of doing things differently to make the impossible possible. Our people are driven by the desire to make the world a better place—to make a positive difference that contributes to a brighter future. We bring together technologies and industries, alongside the contributions of diverse individuals who are empowered by an intentional workplace culture, to solve problems better and faster.

We are looking for a skilled and passionate C++ developer to join our team, focusing on the development of high-performance multimedia applications on Linux platforms. The ideal candidate will have deep expertise in multimedia frameworks, especially GStreamer, and hands‑on experience with audio post‑processing frameworks. You will be responsible for designing, implementing, and optimizing software solutions that involve audio and video streaming, processing, and integration.

Key Responsibilities

• Design, develop, and maintain efficient and reusable C++ code for multimedia applications running on Linux.
• Utilize and extend the GStreamer framework by developing custom plugins and pipelines for audio and video streaming, recording, and playback.
• Integrate and optimize audio post‑processing frameworks to enhance sound quality, reduce noise, and apply various audio effects.
• Troubleshoot and debug issues within multimedia pipelines and system‑level components to ensure high performance and reliability.
• Collaborate with cross‑functional teams to integrate multimedia components with hardware, other software modules, and third‑party libraries.
• Work with various audio and video codecs (e.g., H.264, H.265, AAC, Opus) to ensure compatibility and optimal performance.
• Contribute to the development of multi‑threaded, event‑driven Linux applications using inter‑process communication (IPC).
• Stay up‑to‑date with new technologies and industry trends in multimedia development to find innovative solutions to complex problems.
• Create and maintain technical documentation for software components and systems.

Required Skills and Qualifications

• Bachelor’s or Masters degree in Computer Science, Software Engineering, or a related field.
• 5+ years of hands‑on experience in C++ software development on Linux.
• Proven expertise with the GStreamer framework, including pipeline design, plugin development, and troubleshooting.
• Solid understanding of audio and video codecs, formats, and container technologies.
• Experience with real‑time audio/video processing and multimedia streaming protocols (e.g., RTP, RTSP).
• Strong knowledge of object‑oriented design and development.
• Experience with audio post‑processing techniques and frameworks (e.g., effects, mixing, mastering).
• Familiarity with multithreaded programming and synchronization mechanisms in a Linux environment.
• Strong problem‑solving and debugging skills using tools like GDB and Valgrind.
• Proficiency with version control systems, such as Git.
• Preferred Qualifications (Nice‑to‑Have)
• Experience with other multimedia frameworks, such as FFmpeg or VLC.
• Familiarity with SIP signaling and WebRTC.
• Knowledge of GPU computing for multimedia acceleration.
• Experience in an Agile development environment.
• Experience with embedded Linux application development.

We are known for our extraordinary people who make the impossible possible every day. Questians are driven by hunger, humility, and aspiration. We believe that our company culture is the key to our ability to make a true difference in every industry we reach. Our teams regularly invest time and dedicated effort into internal culture work, ensuring that all voices are heard.

We wholeheartedly believe in the diversity of thought that comes with fostering a culture rooted in respect, where everyone belongs, is valued, and feels inspired to share their ideas. We know embracing our unique differences makes us better, and that solving the worlds hardest engineering problems requires diverse ideas, perspectives, and backgrounds. We shine the brightest when we tap into the many dimensions that thrive across over 21,000 difference‑makers in our workplace.

Requirements