Job Description

Sigma Connectivity Inc, with its roots in the mobile phone innovation within SonyEricsson and Sony, stands as a distinguished design house. Our team, comprising of over 700 skilled engineers based primarily in Lund, Southern Sweden, specializes in the development of 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 the well‑being of our team. Here, you’ll Never Work Alone; instead, you’ll be part of a collaborative and supportive environment, ready to explore new horizons together.

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JOB OVERVIEW

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Sigma Connectivity is seeking an Android Wi‑Fi & AOSP Engineer to enhance and debug Google Cast functionality on Android devices. You will focus on the Wi‑Fi network stack and middleware, ensuring seamless casting experiences. Collaborate with a skilled team on cutting‑edge projects for market‑leading clients in a fast‑paced environment.

Responsibilities

• Work extensively within the AOSP Wi‑Fi framework, above the driver layer.
• Integrate, improve, and debug Google Cast functionality.
• Optimize Wi‑Fi connectivity, network QoS, buffering, and channel selection for media streaming.
• Troubleshoot Wi‑Fi supplicant issues (authentication, encryption, connection).
• Develop and maintain Android middleware components related to Wi‑Fi and casting.
• Implement and maintain WPA2/WPA3 security protocols.
• Collaborate cross‑functionally to deliver reliable and innovative wireless solutions.

Required Experience & Qualifications

• Bachelor’s or Master’s in Computer Science, Electrical Engineering, or related field.
• 10+ years Android development experience with focus on Wi‑Fi stack and middleware.
• Hands‑on experience with AOSP , particularly Wi‑Fi modules.
• Strong knowledge of Android networking APIs .
• Proficiency in C++ , Java , and/or Kotlin .
• Familiarity with Wireshark or similar network analysis tools.
• Experience with casting technologies ( Google Cast , AirPlay , Miracast , WiDi , DLNA ) is a plus.
• Foundational Wi‑Fi & Android Networking Knowledge – candidates must understand:
• WifiManager class in Android and its role.
• wpa_supplicant and its role in Wi‑Fi authentication and connection.
• Netlink communication between user space and kernel.
• Difference between SSID and BSSID .
• Wi‑Fi beacons and probes for network discovery and association.

Join us and make a significant impact on the future of Android casting technology!

Personal Characteristics

• 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

Preferred additional skills, personal traits and experience

Strong understanding of core Wi‑Fi concepts, including:

• WifiManager class and its role
• SSID vs. BSSID
• Wi‑Fi beacons and probes

We offer

The annual salary range for this role is $80,000 – $250,000 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

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