11+ IPv4 Jobs in Bangalore (Bengaluru) | IPv4 Job openings in Bangalore (Bengaluru)

Key Responsibilities:

 - Develop and customize OpenWrt build systems for operator-specific router distributions

 - Build high-performance network stacks and middleware for Wi-Fi 6/7 & 5G-FWA routers

 - Implement TR-181/USP/TR-369 device management standards for global operators

 - Design scalable, modular embedded Linux systems for complex CPE environments

 - Debug and resolve critical issues: kernel panics, memory leaks, race conditions

 - Collaborate with hardware and product teams to deliver carrier-grade solutions

Must-Have Skills:

 - OpenWrt Proficiency: Customizing build systems, package configurations, feeds

 - Programming: Advanced C/C++ for resource-efficient, high-performance networking

 - Network Stack & Protocols:

   - IPv4/IPv6: Dual-stack, DHCPv4/v6, SLAAC, Prefix Delegation, MAP-T/E, DS-Lite

   - L2/L3: Linux Bridge, VLAN 802.1Q/QinQ, SoC hardware offloading

   - Routing: Multi-WAN, Failover, Policy-Based Routing, IGMP/MLD Snooping/Proxy

 - Device Management: TR-181/TR-098 data models, USP/TR-369 experience

 - Debugging: GDB, Valgrind, JTAG, Wireshark, Tcpdump

 - System Design: Defining software interfaces & integrating cross-platform middleware

Preferred Qualifications:

 - Hands-on with Airoha SDKs & MediaTek WiFi drivers

 - Familiarity with RDK-B, prplOS, prplLCM

 - QoS/QoE: Traffic Shaping - tc, HTB, FQ_CoDEL, DPI, traffic classification for Gaming/VoIP

 - Security: Firewall4/Nftables, Iptables, VPN - WireGuard, IPsec, hardware crypto-acceleration

We are seeking a highly skilled and passionate Hardware Emulation Engineer to join our team working withthe best in the Industry, developing innovative ASIC solutions for data center and AI Infrastructure. As an Hardware Emulation Engineer, you will be at the forefront of pre-silicon validation, ensuring the highest quality and functionality of our hardware before it goes into production.

Key Responsibilities:

·      Emulation Environment Development: Build and maintain pre-silicon emulation platforms using industry-standard systems such as Cadence Palladium or Synopsys ZeBu or Veloce Strato, Primo

·      Model Integration and Optimization: Integrate the RTL design onto the emulation platform by ensuring synthesizability, optimize build efficiency and performance, and work with high-performance transactors and emulation testbenches (e.g., using SystemVerilog, C/C++, Python).

·      Flush out emulation flow issues by performing smoke verification

·      Support validation team in execute comprehensive test content, including bare-metal and OS-based tests, to accelerate bug finding in pre-silicon on the emulation platform.

·      Collaboration: Work closely with cross-functional teams including design, verification and SW development teams to understand issues in using the emulation platform.

·      Flow Automation: Develop and enhance automation scripts and flows using Python, Perl, and shell scripting to manage regressions, optimize runtime, and improve overall verification efficiency.

·      Vendor Collaboration: Interface with emulation platform vendors to debug and quickly resolve technical issues encountered with the tools.

·      The candidate must be able to work independently and proactively on allocated technical tasks.

Required Skills:

·      Proficiency in Hardware Description Languages (HDLs) such as Verilog and SystemVerilog.

·      SoC Knowledge: Solid understanding of SoC architectures and industry-standard protocols (e.g. AXI, PCIe, ETH, USB, HVM)

·      Experience with verification methodologies (UVM, SVA) and related verification environments, including C/C++ DPI is desirable.

·      Strong scripting skills in Python, Perl, Tcl, or Shell for automation.

·      Familiarity with debugging tools (e.g., Verdi, SimVision) and waveform analysis is desirable.

Education:

Bachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, or a related field.

Experience:

·      Proven experience of 5+ years in hardware verification and/or emulation roles.

·      Hands-on experience with at least one of the major commercial emulation platforms (Cadence Palladium, Synopsys ZeBu, or Siemens Veloce).

QFocus AI Pvt Ltd is an Equal Employment Opportunity employer.

Key Responsibilities

1. Kernel Lifecycle & Maintenance

Upstream Alignment: Lead the strategy for upgrading enterprise kernels (e.g., migrating from LTS 5.15 to 6.6) while maintaining binary compatibility where required.

Patch Porting: Expertly port functional and performance patches between disparate kernel versions, resolving complex code conflicts and API changes.

CVE Mitigation: Monitor the Linux Kernel Mailing List (LKML) and security advisories to identify and backport CVE patches from upstream to production environments.

2. Deep-Dive Debugging & Stability

Panic Analysis: Act as the final escalation point for Kernel Panics and "Oops" messages. Utilize kdump, crash, and gdb to perform post-mortem analysis of vmcores.

Boot-Time Resolution: Debug critical failures during the early boot process (UEFI handoff, initramfs, and early kernel init) where standard logging is unavailable.

Performance Tuning: Use ebpf, ftrace, and perf to identify bottlenecks in memory management, scheduler latency, or I/O throughput.

3. Driver Development & Hardware Integration

Driver Ownership: Design, develop, or maintain at least one Open Source or Proprietary Device Driver (Network, Storage, GPU, or Character devices).

Hardware Abstraction: Interface directly with hardware registers, managing DMA mappings, and optimizing interrupt handling (MSI-X, Threaded IRQs).

Out-of-Tree Management: Maintain driver compatibility across kernel updates using DKMS or similar frameworks.

4. Infrastructure & Automation

Registry Management: Oversee the distribution of custom kernel builds and modules via GitLab Container/Package Registries.

CI/CD for Kernel: Build automated testing pipelines (Hardware-in-the-loop) to validate kernel stability before enterprise-wide deployment.

Required Technical Skills:

Languages: Mastery of C/C++ Programming (C is preferred)

Kernel Internals: Deep understanding of VFS, Memory Management (MMU/Paging), Process Scheduling, and Networking Stacks.

Debugging Tools: Expert-level use of kprobes, trace-cmd, valgrind, and hardware-level debuggers (JTAG/Serial Console).

Build Systems: Proficiency with Kbuild, Makefiles, and building RPM/Debian packages for kernel distribution.

Security: Hands-on experience with SELinux/AppArmor policy development and kernel hardening (FIPS, KSPP).

Talented C++ Developer who has experience in design, development, debugging of multi-threaded large scale application with good understanding in data structures on Linux packaging, functional testing and deployment automation very good with problem solving.

Key responsibilities :

1. Understand fundamental design principles and best practices for developing backend servers and web applications
2. Gather requirements, scope functionality, estimate and translate those requirements into solutions
3. Implement and integrate software features as per requirements
4. Deliver across the entire app life cycle
5. Work in a product creation project and/or technology project with implementation or integration responsibilities
6. Improve an existing code base, if required, and ability to read source code to understand data flow and origin
7. Design effective data storage for the task at hand and know how to optimize query performance along the way
8. Follow an agile methodology of development and delivery
9. Strictly adhere to coding standards and internal practices; must be able to conduct review code
10. Mentor and possibly lead junior developers
11. Contribute towards innovation
12. Performance optimization of apps
13. Explain technologies and solutions to technical and non-technical stakeholders
14. Diagnose bugs and other issues in products
15. Continuously discover, evaluate, and implement new technologies to maximize development efficiency

Must have / Good to have:

1. 5-7years' experience with C++ development and relevant 3+yrs in modern version 11/14/17 would be a plus. 
2. Design and implementation of high-availability, and performance applications on Linux environment
3. Advanced knowledge of C/C++, Object Oriented Design, STL
4. Good with multithreading and data structures
5. Develop back-end components to improve responsiveness and overall performance
6. Familiarity with database design, integration with applications and python packaging.
7. Familiarity with front-end technologies (like JavaScript and HTML5), REST API, security considerations
8. Familiarity with functional testing and deployment automation frameworks
9. Experience in development for 3-4 production ready application using C++ as programming language
10. Experience in writing unit test cases including positive and negative test cases
11. Experience of CI/CD pipeline code deployment (Git, SVN, Jenkins or Teamcity)
12. Experience with Agile and DevOps methodology
13. Very good problem-solving skills
14. Experience with Web technologies is a plus. 

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About Apexon:

Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. For over 17 years, Apexon has been meeting customers wherever they are in the digital lifecycle and helping them outperform their competition through speed and innovation. Our reputation is built on a comprehensive suite of engineering services, a dedication to solving our clients’ toughest technology problems, and a commitment to continuous improvement. We focus on three broad areas of digital services: User Experience (UI/UX, Commerce); Engineering (QE/Automation, Cloud, Product/Platform); and Data (Foundation, Analytics, and AI/ML), and have deep expertise in BFSI, healthcare, and life sciences.

Apexon is backed by Goldman Sachs Asset Management and Everstone Capital.

To know more about us please visit:  https://www.apexon.com/" target="_blank">https://www.apexon.com/

Desired Candidate profile:

• 5+ years of Embedded/Linux SW Development relevant Experience in Embedded C++. 
• Expert knowledge in writing software for embedded Systems (Embedded C++ language).
• Experience on OTA would be an added advantage
• Work experience in software development on bare metal, RTOS or Internal Linux. 
• Work experience in developing firmware for 8/16/32 bit microcontrollers (ARM, RISC etc)
• Good understanding w.r.t usage of 1. RTOS like MQX. 
• Bootloader and software update concepts. 
• Communication protocols like TCP/IP,MQTT. 
• Socket programming in Linux environment. 
• Good knowledge on protocols like (RS485, SPI, I2C, ADCs, CAN, LIN) 
• Knowledge of Blue-tooth communication protocols for BLE 4.2/5.1. 
• Proficient in the use of embedded SW Development tool chain (Flash/ debug tool chain, IDE). 
• Version Control Systems –GIT 
• Should have detailed knowledge on microcontrollers/microprocessors 
• Experience in scripting languages like Shell / CAPL / Make/Python etc. 
• Experience in using tools like Logiscope / Function Generator / Oscilloscope, etc. 
• Good knowledge in reading schematics and datasheets. 
• Excellent analytical skills and problem-solving skills. 
• Strong communication and interpersonal skills. 
• Must be a self-starter. 
• Ability to work as part of a dedicated project team and independently 

Job Description:

Looking for engineers with one of the below requirements:

• 2-5 years of embedded development experience in a Linux environment with C programming
• With Option1:
• EDK2 experience
• SCT experience
• knowledge of TPMs
• With Option2:
• worked on bootloaders or uboot

 Job Description: Senior Software Engineer- Embedded Systems

Videogram is looking for Software Engineer in Embedded Systems who will be responsible for designing the embedded systems and installing them in machines and tools. You will be playing an important role in our software team who will be responsible to design and develop the software that controls the processor (micro-controllers and digital signal processors) of the machine. You come with a role as a professional Embedded System Software Engineer to execute a complete embedded software development lifecycle.

Responsibilities:

• Design and implement software of embedded devices and systems from requirements to production and commercial deployment. Responsible for the complete embedded software development lifecycle
• Design, develop, code, test, and debug system software
• Coordinate with the engineers from other disciplines to develop the end product of the requisite standards
• Customize the software to suit the needs of the product nature and expected functioning
• Debug the system to remove the anomalies and inconsistencies

Requirements:

• Candidates require a bachelor's degree in computer science, electrical engineering, software development, embedded software, etc. 
• The candidate should be an undergraduate in Computer Science or a relevant field
• Hands-on experience in C++11 or later programming languages
• Knowledge of GIT Version control
• Experience in doing bare metal or RTOS development
• Hands-on experience in developing the code in Linux
• They require exceptional programming skills and competence in using software tools. 
• Knowledge of operating systems and of the interaction between hardware/software is important for this profile. 
• The attributes of problem-solving ability, analytical skills, proactive behavior, and an adaptable approach are important in this position. 
• This discipline of engineering provides scope for creative minds and poses challenges to perform quality work.
• Scripting in Python & Bash is an add-on
• Experience in any of the following technologies:

           UART | SPI | I2C |MIPI DSI |Display Port | Low-Level Sata

Additional/ Desirable Interests:

• Personal interest in videography/ photography and audio production
• Experience working programmatically with videos/ images/ audio
• Exposure to low-level details of any video/ image codecs
• Exposure to movie container file formats especially QuickTime/mp4
• Working knowledge of exFAT file system