Software Developer

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 this role:

• You will be working with the WiFi team at Arista, developing cutting edge and next generation WiFi solutions in a fast-paced environment. The WiFi team is responsible for the end to end development of the Cloud managed WiFi product portfolio of Arista. This specific position is for the WiFi AccessPoint team.
• As a core member of the AccessPoint team, you will be working closely with relevant teams to understand product requirements, design the solution, build the software and deliver it for final validation and customer deployment.
• You will also keep track of new and emerging technologies and their impact on Arista products, come up with new and innovative ideas to improve and differentiate the product and help Arista become a leading player in the Campus space.
• You will work closely with sales and support teams to push new solutions, understand customer needs and pain points and help resolve escalations.
• You will not be limited to a single aspect of the product, it will be broad encompassing many different aspects including but not limited to developing new Access Points, designing and implementing new features, tracking new technologies and working closely with the sales and customer teams.

Requirements:

• Strong engineering and Computer Science fundamentals

• Expected to have a strong background in software development and good understanding of systems and networking areas with the knowledge of the WiFi area as an added bonus.

• Minimum 4+ years of relevant experience

• Well versed with programming in one of C/C++ languages

• Experience working in a Linux environment, developing applications or Linux drivers

• Proven experience in any of the below:

1. Network device drivers, operating system internals, Kernels, compilers, SOC architecture
2. Experience in developing Wi-Fi features (802.11), WLAN MAC Protocol, system integration, evaluate various performance parameters.
3. User space development for connectivity related products (Wireless Lan access points/ controllers, networking equipment) in one or more of following areas:

• HostAPD, Portal, RADIUS, AAA, Identity and role management, Radsec

• Tunnels, Firewall, Iptables, Flow Classification, QoS, TLS, DTLS Preferred Skills

• Experience with Wi-Fi device drivers on Linux.

• Hands-on experience in working with one or more WIFI chipset platforms

• Good System Level understanding of the Wireless AP functionality

• Experience in developing Wi-Fi features, system integration, evaluate various performance parameters

Resources:

• Arista Cognitive WiFi : https://www.arista.com/en/products/cognitive-wifi https://youtu.be/cT1INdR-xHQ https://www.youtube.com/watch?v=olPkCOT3MdA
• Arista Cognitive WiFi Datasheet: https://www.arista.com/assets/data/pdf/Datasheets/CloudVision-Wifi-Datasheet.pdf
• 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/

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/

The ideal candidate will be responsible for developing high-quality WIFI applications. They will also be responsible for designing and implementing testable and scalable code.

Job requirement and Skills

• Embedded development in C/C++ on Linux
• Experience with WiFI chipsets (Atheros / Qualcomm / Broadcom)
• Worked with WiFi drivers and WiFi stack
• Strong debugging skills

Experience

• Minimum 5-10 years of experience
• Educational Qualifications: BE/ME
• Experience developing RRM, SON features in WiFi will be great .

Role & Responsibilities

• Strong proficiency in C++ with minimum 2 years of Development
• Knowledge of the STL, containers, algorithms and data
• Good understanding on Design patterns and memory
• Familiarity with debugging tools, such as Valgrind, winDBG, WireShark is an additional advantage.

Desired Experience

• (2-6 Years) of Experience as C++ Developer

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

What you need to have:

 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

• Work directly with the other Software/Firmware Engineers and Electrical/RF/Systems Test Engineers to write needed software
• Design and implement software platform for firmware on embedded CPUs with multiple OS such as Windows, Linux, FreeRTOS, TI-RTOS and embedded Linux
• Use compliers, debuggers revision control and automated build systems.
• Design/develop components of software platform for use by other developers to extend its capabilities and build custom applications/behavior on top
• Develop build methodologies, debugging tools/utilities
• Develop and release Software using Agile methodology
• Write unit tests and support continuous integration and automated test methodology
• Brainstorm for new ideas and ways to improvement product and processes
• Consult with peers for feedback during debug/testing stages
• Document and maintain design processes