Senior Software Engineer

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.

We are looking networking professionals with the following skill set,

Experience :6+ years of experience in the networking domain

Key skills:

• Must have 6+ years of experience in C/C++ programming language.
• Knowledge of Go programming language and Python programming language is a big plus.
• Strong background in L4-L7 Internet Protocols TCP, HTTP, HTTP2, GRPC and HTTPS/SSL/TLS.
• Background in Internet security related products such as Web Application Firewalls, API Security Gateways, Reverse Proxies and Forward Proxies
• Proven knowledge of Linux kernel internals (process scheduler, memory management, etc.)
• Experience with eBPF is a plus.
• Hands-on experience in cloud architectures (SaaS, PaaS, IaaS, distributed systems) with continuous delivery
• Familiar with containerization solutions like Docker/Kubernetes etc.
• Familiar with server less technologies such as AWS Lambda.
• Exposure to machine learning technologies and distributed systems is a plus

Job Title: C++ Buffer Developer

Location: Pune, India

Experience: 2-3 years

Salary: 8 LPA

Notice Period: 0-15 days

Job Description:

We are seeking a skilled and passionate C++ Buffer Developer to join our team in Pune. As a C++ Buffer Developer, you will be responsible for designing, developing, and maintaining high-performance buffer systems for our software applications. You will collaborate with cross-functional teams to analyze requirements, implement solutions, and ensure the overall quality of the software.

Responsibilities:

1. Design, develop, and maintain C++ buffer systems to meet the requirements of our software applications.
2. Collaborate with cross-functional teams, including software engineers, designers, and product managers, to understand project requirements and deliver high-quality solutions.
3. Write clean, efficient, and maintainable code following best practices and coding standards.
4. Conduct thorough testing and debugging to ensure the stability and performance of the buffer systems.
5. Optimize and enhance existing code to improve overall system efficiency and performance.
6. Participate in code reviews to provide and receive constructive feedback for continuous improvement.
7. Stay up-to-date with the latest industry trends and technologies related to C++ programming and buffer systems.
8. Document the design, implementation, and maintenance of the buffer systems for future reference.

Requirements:

1. Bachelor's degree in Computer Science, Software Engineering, or a related field.
2. 2-3 years of hands-on experience in C++ programming, specifically in designing and developing buffer systems.
3. Strong knowledge of data structures, algorithms, and object-oriented programming principles.
4. Proficiency in using C++11 or higher versions.
5. Experience with memory management techniques and performance optimization.
6. Familiarity with Linux/Unix environments and development tools.
7. Good understanding of software development lifecycle and agile methodologies.
8. Excellent problem-solving and analytical skills.
9. Strong communication and collaboration abilities.
10. Ability to work independently and handle multiple tasks simultaneously.
11. Knowledge of network protocols and socket programming is a plus.
12. Experience with version control systems (e.g., Git) is preferred.

If you are a talented C++ developer with a passion for buffer systems and want to contribute to the success of our software applications, we would love to hear from you. Apply now and join our dynamic team in Pune!

Note: The salary mentioned is as per the budget and may be subject to negotiation based on the candidate's skills and experience.

About us:

Arista Networks was founded to pioneer and deliver software driven cloud networking solutions for large datacenter storage and computing environments. Arista's award-winning platforms, ranging in Ethernet speeds from 10 to 400 gigabits per second, redefine scalability, agility and resilience. Arista has shipped more than 20 million cloud networking ports worldwide with CloudVision and EOS, an advanced network operating system. Committed to open standards, Arista is a founding member of the 25/50GbE consortium. Arista Networks products are available worldwide directly and through partners.

About the job

Arista Networks is looking for world-class software engineers to join our Extensible Operating System (EOS) software development team.As a core member of the EOS team, you will be part of a fast-paced,high caliber team-building features to run the world's largest data center networks.Your software will be a key component of Arista's EOS, Arista's unique, Linux-based network operating system that runs on all of Arista's data center networking products.

The EOS team is responsible for all aspects of the development and delivery of software meant to run on the various Arista switches.You will work with your fellow engineers and members of the marketing team to gather and understand the functional and technical requirements for upcoming projects.You will help write functional specifications, design specifications, test plans, and the code to bring all of these to life.You will also work with customers to triage and fix problems in their networks. Internally, you will develop automated tests for your software, monitor the execution of those tests, and triage and fix problems found by your tests.At Arista, you will own your projects from definition to deployment, and you will be responsible for the quality of everything you deliver.

This role demands strong and broad software engineering fundamentals, and a good understanding of networking including capabilities like L2, L3, and fundamentals of commercial switching HW.Your role will not be limited to a single aspect of EOS at Arista, but cover all aspects of EOS.

Responsibilities:

• Write functional specifications and design specifications for features related to forwarding traffic on the internet and cloud data centers.
• Independently implement solutions to small-sized problems in our EOS software, using the C, C++, and python programming languages.
• Write test plan specifications for small-sized features in EOS, and implement automated test programs to execute the cases described in the test plan.
• Debug problems found by our automated test programs and fix the problems.
• Work on a team implementing, testing, and debugging solutions to larger routing protocol problems.
• Work with Customer Support Engineers to analyze problems in customer networks and provide fixes for those problems when needed in the form of new software releases or software patches.
• Work with the System Test Engineers to analyze problems found in their tests and provide fixes for those problems.
• Mentor new and junior engineers to bring them up to speed in Arista’s software development environment.
• Review and contribute to the specifications and implementations written by other team members.
• Help to create a schedule for the implementation and debugging tasks, update that schedule weekly, and report it to the project lead.

Qualifications:

• BS Computer Science/Electrical Engineering/Computer Engineering 3-10 years experience, or MS Computer Science/Electrical Engineering/Computer Engineering + 5 years experience, Ph.D. in Computer Science/Electrical Engineering/Computer Engineering, or equivalent work experience.
• Knowledge of C, C++, and/or python.
• Knowledge of UNIX or Linux.
• Understanding of L2/L3 networking including at least one of the following areas is desirable:

1. IP routing protocols, such as RIP, OSPF, BGP, IS-IS, or PIM.
2. Layer 2 features such as 802.1d bridging, the 802.1d Spanning Tree Protocol, the 802.1ax Link Aggregation Control Protocol, the 802.1AB Link Layer Discovery Protocol, or RFC 1812 IP routing.

• Ability to utilize, test, and debug packet forwarding engine and a hardware component’s vendor provided software libraries in your solutions.
• Infrastructure functions related to distributed systems such as messaging, signalling, databases, and command line interface techniques.
• Hands on experience in the design and development of ethernet bridging or routing related software or distributed systems software is desirable.
• Hands on experience with enterprise or service provider class Ethernet switch/router system software development, or significant PhD level research in the area of network routing and packet forwarding.
• Applied understanding of software engineering principles.
• Strong problem solving and software troubleshooting skills.
• Ability to design a solution to a small-sized problem, and implement that solution without outside help.Able to work on a small team solving a medium-sized problem with limited oversight.

Resources:

• Arista's Approach to Software with Ken Duda (CTO): https://youtu.be/TU8yNh5JCyw
• Additional information and resources can be found at https://www.arista.com/en/

Job Area Engineering - Software

Location Remote

Job Description

This position is ideal for a Senior SW engineer who is passionate about solving challenging business problems and building security services that provide an excellent client experience. You will be an integral part of the vulnerability assessment product development team focusing on designing, coding, and testing new and enhanced security services for z/Linux. The successful candidate should be a self-motivated individual with expert software engineering skills and solid expertise with IBM mainframe technologies. Candidate must be flexible and willing to switch tasks based on team's needs.

Qualifications

Basic Qualifications

• Bachelor's degree in Engineering, Information Systems, Computer Science, or related field.
• 1+ years experience with Programming Language such as C, C++, Java, Python, etc.
• Linux kernel and device driver development
• Experience with development boards such as DragonBoard
• Experience with python, perl, rust, shell scripting
• C programming and debugging skills

Preferred Qualifications

• CPU and cache architectures
• Experience with JTAG and GDB debuggers
• Linux Kernel upstream patch submission
• CPU performance and power analysis

• Independent and self-motivated problem solver and strategic thinker
• Proficient in Git for development and patch/branch management

Essential Functions

• Good planning, time management, decision-making, presentation, and organization skills
• Effective written and verbal communication
• Excellent interpersonal and teamwork skills