WiFi Software Engineer

Sigma Group; San Francisco (CA); On-site; USD 140,000 - 180,000; Full time

Benefits offered by this job

Paid time off

401(k)

Health insurance

HSA

FSA

Employee assistance program

Referral program

Job summary

Sigma Connectivity Inc. seeks talented software engineers to join the Connectivity team, focusing on building software-defined vehicle platforms with strong wireless experience and modern C++ proficiency.

You will design and maintain embedded WiFi software stacks, enable station and access point modes, and collaborate across Infotainment, UX, Platform, Security, and Hardware teams to deliver scalable, reliable solutions.

Qualifications

• BS/MS in Electrical Engineering, Computer Science, or Computer Engineering.
• Strong modern C++ programming.
• Proficient with WiFi / 802.11 protocols.
• Proficient in networking (TCP/IP, DNS, DHCP).

Responsibilities

• Design, develop, and maintain embedded software for vehicle WiFi connection management and configuration.
• WiFi Station mode for high-speed vehicle internet access, OTA updates, telematics.
• WiFi Access Point mode for mobile hotspot and CarPlay/Android Auto connectivity.
• Enable advanced WiFi (802.11) features for the vehicles.
• Improve algorithms for WiFi network selection, roaming, and STA/AP configuration in variable radio environments.
• Design modular software to scale to multiple WiFi chipsets and generations.
• Integrate drivers, firmware, and SDKs of WiFi chipsets and modules, coordinating with vendors.
• Debug WiFi connectivity issues via OTA captures and vehicle logs/telemetry.
• Collaborate with Infotainment, UX, Platform, Security, Factory, and Hardware teams on a scalable platform.
• Ensure code quality through unit testing (GTest, GMock) and coding standards.

Skills

Modern C++

WiFi / 802.11 protocols

Networking (TCP/IP)

Analytical skills

Education

BS/MS in Electrical Engineering, Computer Science, or Computer Engineering

Job description

Sigma Connectivity Inc., an engineering services company with its roots in mobile phone innovation at Sony Ericsson and Sony, stands as a distinguished design house. Our team, comprising over 700 skilled engineers based primarily in Lund, Southern Sweden, specializes in developing connected consumer electronics and IoT devices through dedicated in-house projects. Equipped with the necessary talent, expertise, and state-of-the-art laboratories, we are adept at bringing the market’s most challenging projects to life. Our operations stretch across San Jose, San Diego, Seattle, and New York, ensuring a comprehensive national presence. As we continue to expand, we are on the lookout for versatile and dynamic individuals eager to contribute to our growth. At Sigma Connectivity Inc, our culture is grounded in the exchange of knowledge and experiences, underpinned by a Scandinavian approach to work-life balance and a commitment to our team's well-being. Here, you’ll Never Work Alone; instead, you’ll be part of a collaborative and supportive environment, ready to explore new horizons together.

JOB OVERVIEW

Our client is building exciting software-defined vehicle platforms and looking for highly skilled and motivated software engineers to join the Connectivity team. More specifically, we are looking for someone with strong wireless experience and proficiency in modern C++ to help improve and enhance our vehicles’ WiFi software stack.

Responsibilities

• Design, develop, and maintain embedded software applications for vehicle WiFi connection management and configuration
• WiFi Station mode for high-speed vehicle internet access, enabling OTA updates, telematics, and more
• WiFi Access Point mode for mobile hotspot and wireless CarPlay / Android Auto, connecting user devices to the internet and vehicle infotainment system
• Enable advanced WiFi (802.11) features for the vehicles
• Improve algorithms for WiFi network selection, roaming, and simultaneous STA/AP configuration management in often ambiguous radio environments
• Design modular software to scale to multiple WiFi chipsets and generations
• Integrate drivers, firmware, and SDKs of WiFi chipset and module vendors and work closely with vendors for support
• Debug WiFi connectivity issues via over-the-air packet captures and vehicle logs and telemetry
• Collaborate closely with the Infotainment, UX, Platform, Security, Factory, and Hardware teams in architecting a highly scalable platform
• Ensure code quality through comprehensive unit testing (GTest, GMock) and adherence to coding standards
• BS/MS in Electrical Engineering, Computer Science, or Computer Engineering
• Proficient with WiFi / 802.11 protocols
• Strong modern C++ programming
• Proficient in networking (such as TCP/IP, DNS, DHCP)
• Strong first principles thinking along with excellent analytical, debugging, and problem-solving skills

NICE TO HAVE

• Experience with WiFi drivers/firmware, wpa_supplicant, or hostapd is a plus
• Experience with 802.11 packet capture analysis (e.g. Wireshark) is a plus
• Experience with Linux or Android routing and firewalls is a plus
• Experience with Kotlin or Java is a plus
• Experience with other wireless technologies such as Cellular or Bluetooth is a plus
• Experience with Qualcomm platforms is a plus

Soft Skills

• Strong problem-solving and analytical skills
• Ability to work in fast-paced, client-facing environments
• Excellent communication and collaboration skills
• Adaptability to changing requirements and priorities
• Team player
• Proactiveness in collaborating and execution
• Flexibility to switch technical context
• Willingness to learn new methods/tools/processes
• Ability to prioritize, multitask, and take ownership
• Strong problem-solving and critical-thinking skills
• Strong communication and interpersonal skills
• The annual salary range for this role is $140,000 – $180,000 per year.
• The Annual Salary depends upon various job-related factors such as professional background, training, work experience, location, business needs, and market demand. This range is subject to change and may be modified in the future.
• Sigma Connectivity, Inc. also offers a comprehensive benefits package that includes the following:
• Paid Time off/Vacation and Paid Holidays
• 401(k)
• 401(k) matching
• Life insurance
• Flexible Spending Account (FSA): Healthcare and Dependent Care
• Health Savings Account (HSA)
• Employee Assistance Program
• Employee and Customer Referral Program
• For positions in California, long-term and short-term disability insurance