Network Stack Developer at QFocus AI · Bengaluru (Bangalore) · 9 - 17 years · ₹30L - ₹55L / yr · Bootstrapped · Posted 22 Jul 2026

About the organization
QFocus AI Pvt. Ltd. (QFAI), a wholly owned subsidiary of QFocus Technologies LLC, is a consulting-led engineering services company with sharp focus on supporting next gen advanced products development across AI/ML, Compute, Communication, Storage and Consumer Electronics. Our mission is to help our customers deliver cutting-edge products on time ensuring world-class quality.
Why Join QFAI? Join a passionate team, dedicated to making a difference. We are a close-knit team, with a strong mission, vision and values that guide our day-to-day. Recognition of work, respect, and our multicultural community are key aspects of the employee experience and contribute to our continued success. Would you like to be part of our story? Don't hesitate, come and join us!
About this opportunity – Network Stack Developer
Join our team working with an elite customer developing cutting-edge AI training/inference server infrastructure silicon. As a Network Stack Developer, you will be developing L2/L3 Protocol stack for validating AI silicon under development.
Key Responsibilities:
· Develop, Validate and maintain highspeed L2/L3 protocol stacks over NIC drivers in Linux kernel / User mode and other Host/Device operating systems.
· Implement and optimize L2/L3 protocols, RDMA, and RoCE for high-performance networking applications.
· Collaborate with cross-functional teams to develop, test NIC firmware and protocol stack software, Troubleshoot and resolve NIC-related technical issues.
· Develop and maintain test frameworks for NIC performance and functionality testing.
Required Skills:
· Proficiency in C, C++, and Python programming languages.
· In-depth knowledge of networking protocols, including TCP/IP, IPv4, and IPv6 and their packet formats.
· Hands-on experience with tools for capturing and analyzing protocol packet exchanges across high-speed interfaces.
· Understanding of high-performance multi-core CPU/GPU clusters and their high-speed interconnect fabric interfaces such as PCIe and Infiniband.
· Working familiarity with Host Channel Adapters (HCAs) or bridges that parse, translate and route data from standard NW stacks into fabric-specific transport logic would be an added advantage.
Desirable Skills:
· Hands on experience developing AI training/Inference application would be valuable.
· Python scripting for test log analysis and NIC behavior triage.
· Experience with machine learning and deep learning frameworks and their underlying NW payload transfer.
· Working experience with latest AI coding copilot-based flows to generate, review, test and release code.
Education:
· Bachelor's or Master's degree in Computer Science, Electrical Engineering, or a related field with a focus on computer systems or networking.
Experience:
· At least 6+ years of experience in L2/L3 stack development, using modern NIC device driver APIs including kernel mode and user mode drivers.
· Experience working with high-speed cloud data center server stack development

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- Experience with Raspberry Pi, Python, and OpenCV.
- Experience with Low power Devices would be preferred
- Knowledge about communication protocols (UART, I2C, etc.)
- Experience with Wi-Fi, LoRa, GSM, M2M, SImcom, and Quactel Modules.
- Experience with 3d modeling (preferred).
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WheelsEye is India's leading SAAS-based platform in formulating the next tech-enabled logistics revolution. We offer technology that connects truck fleet owners & SMEs and helps them to automate operations, secure fleets, save costs, improve on-time performance, and streamline their business.
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- Teamwork
Embedded c
C
Iso26262
Job Description
Embedded Software/Firmware Design and Development on OS/Non-OS based platform
Necessary system architecture development and implementation
Device, sensor and gateway selection and integration based on industry use case.
Development on Image Analytics and Cloud/Platform integration
Development or integration of Cloud/Platform communication protocol
Technical Documentation and Testing of the developed system
Desired Skills, Knowledge& Experience
B. Tech/M. Tech/MCA with 8-10 years of industry experience
Strong programming skills in C/C++ and Python development in Linux
Experience in device or sensor communication interfaces (wired/wireless, short range/long range).
Experience of microcontroller and microprocessor.
Knowledge of IoT gateway firmware development, container, and OS hardening.
Experience in device communication protocol, Edge computing and processing
Competent in application development for Image processing, transmission, and storage
Good understanding and of programming primitives, data structures, multi-threading and memory management techniques
Strong command over complex sensor and hardware control logic to work seamlessly with edge devices or gateway
Proactive and Self motivated
Strong verbal and written communication skill
Position Title: Embedded Software Developer (Linux Driver Development)
Experience: 4 - 10 Years
Mode of Hire: Permanent, Deployed at Client Location.
Work Location: Hyderabad
Notice Period: Max. 20 - 30 Days (Early Joiners will be preferable).
What we are looking for?
Must Have:
- Should have strong proficiency in C, C++ and Embedded Systems (embedded C)
- Should have 4+ years of experience in Linux Driver Development, Application development
- Excellent debugging skills at kernel and user space and exposure to different debugging tools
- High level understanding of ARM & RISC (Instructions) OR MB Processor and Assembly Programming
Good to Have:
- Any Driver development exposure in Multimedia, Exposure to any one of the Linux Kernel Framework (Display, Camera Drivers, HDMI, GPU, MIPI, DRM framework, V4L2, etc.)
∙ Computer Science related Bachelor's Degree or equivalent experience
∙ Min 2 years of experience on GCP / AWS / Azure cloud system ( Overall 5+ years of experience)
∙ Familiarity with LAMP stack technologies, experience supporting
∙Must be capable of working on Linux System.
∙ Familiarity with SQL, Apache, File storage, Load Balancers and Agile methodologies ∙ Knowledge of shell scripts, Linux system administration.
∙ Strong DNS management and automation background
∙ Strong scripting (bash, php, perl) skills
∙ Good understanding of TCP/IP networking and troubleshooting
∙ Clear communication and documentation of projects and procedures
∙ Strong problem solving skills
∙ Demonstrated ability to manage timelines, dependencies, deliverables, milestones and resource allocation and management in projects.
∙Strong Cloud Architecture experience.
∙Cloud Security
∙Added Advantage with knowledge of Microservices/API/ Queue systems
∙knowledge of cloud computing technologies and current computing trends. ∙Understanding and willingness to embrace CI/CD and automation tooling such as Jenkins and GIT
Responsibilities:
∙ Set up technical server infrastructure, providing technical assistance to development teams, monitoring site performance, and troubleshooting issues when they arise.
∙ Set up and maintain a development server environment and a live server environment with a process for testing and deploying changes to live sites.
∙ Take an active role in designing, implementing and maintaining a scalable and robust enterprise server environment.
∙ Administer Apache web server, Load balancer and MySQL Server
∙ Work on System Security and IPTable configuration
∙ Optimize servers for high traffic, security, and other system issues. ∙ Evaluate and propose new or improved system architecture.
∙ Document system configuration, processes, and procedures.
∙ Share responsibility with team members for rotating on-call duties.
Experience in Object-Oriented design and Multithreaded programming
Strong analytical and problem solving skills
Strong understanding of computer systems e.g. operating systems, networks, performance optimization, etc
Degree in Computer Science or Computer Engineering or related field
Independent team player with an eye for details and report on status and planning of own work.
1. Good Knowledge in Hardware Development (Various Sensors, PCB Designing, Various Micro-controller boards)
2. Firmware designing (writing code on various micro-controller platforms using various hardware communication protocols (USART, SPI, I2C, CAN, etc). Great command in Embedded C Programming and Python.
3. Should have worked with various wired and wireless devices for communication ( Like GSM, GPS, GPRS, Wifi, BLE, Xbee, etc)
4. Should have practical experience in basic networking with devices.
5. Should have worked on various Hardware platforms like Arduino, Raspberry Pi, Web Frameworks, etc.
6. Should have worked with various methods of communicating sensors data on various clouds using API's using multiple protocols like HTTP, TCP-IP and MQTT, etc.
Experience Required : Minimum 4 Years
Expected Salary : 4 - 5.5 CTC








