Demo

Senior Software Developer, Integration

Sonatus
Sunnyvale, CA Full Time
POSTED ON 12/25/2025
AVAILABLE BEFORE 1/24/2026
Sonatus is a well-funded, fast-paced, and rapidly growing company whose software products and solutions help automakers build dynamic software-defined vehicles. With over four million vehicles already on the road with top global OEM brands, our vehicle and cloud software solutions are at the forefront of automotive digital transformation. The Sonatus team is a talented and diverse collection of technology and automotive specialists hailing from many of the most prominent companies in their respective industries.

Role Summary:

Sonatus is a leading provider of software technologies enabling global OEMs and Tier1 system integrators to build software-defined vehicles. We are looking for a highly motivated Software Integration Engineer to join our fast-growing team. As a part of the team that is responsible for the software integration and prototype development, you will have the opportunity to:

  • Interact with pressing problems facing our customers and the most advanced technologies required to solve them.
  • Apply your skillsets to build SW solutions creating immediate impact and help our customers as well as shaping the industry with solutions you build.
  • Play the most important role to help scale our products and grow Sonatus' business.

Role and Responsibilities:

  • Software Integration: Integrate software modules and SDK at the system or application level, and create POC (Proof of Concept) prototypes for demo purposes.
  • Lead the design, development, and deployment of scalable backend services and APIs for cloud-based applications.
  • Architect and implement microservices and serverless solutions using programming languages.
  • Demo and Presentation: Present solution using either demo SW or architecture presentation to customers and partners to showcase our product and technology advantages.
  • Customer Support: Provide integration support for our customers, remotely and/or on-site when necessary.
  • Manage customers' feature requests, develop business relationships with customers, and play the go-to person for technical questions, issues, and resolutions.
  • Act as a portal for technical communication between external customers/partners and our internal cross-functional teams
  • Training and Onboarding: Leverage product documentation and create training materials and guiding documentation to internally arm customer-facing FAE and Sales teams, and externally onboard our customers and partners for using our products and solutions.
  • Collaboration: Work closely with all cross-functional teams globally, including Sales, Product, Software developers, QA engineers, Technical program managers, and external customers to ensure success in promoting our products and solutions collectively.

Minimum Qualifications and Experience:

  • A Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or related fields with 7 or more years of working experience in data communication, networking, or the automotive industry.
  • Solid C/C and embedded system programming experience.
  • Experience with Linux, Android, and/or other POSIX operating systems.
  • Experience in systems integration, platform-dependent integration and development, multithreading, and concurrent programming.
  • Experience with cloud platforms such as AWS, Azure, or Google Cloud, including cloud-native services.
  • Experience with API integration and testing using scripting languages
  • Proficient in shell scripting languages and Python.
  • Familiar with software architecture and end-to-end solutions.
  • Excellent presentation and communication skills.
  • Able to travel up to 15% of the time.

Nice to Have Skills and Knowledge:

  • Familiar with networking technologies of Ethernet and CAN bus, and communication protocols of TCP/IP, HTTP, and MQTT.
  • Familiar with vehicle E/E architecture and CAN network bus

Benefits:

Sonatus is a tight-knit team aligned around a unified vision. You can expect a strong engineering-oriented culture that focuses on building the best products and solutions for our customers. We embrace equality and diversity in all regards because respect is ingrained in our every fiber. Other benefits Sonatus offers include:

  • Stock option plan
  • Health care plan (Medical, Dental & Vision)
  • Retirement plan (401k, IRA)
  • Life Insurance (Basic, Voluntary & AD&D)
  • Unlimited paid time off (Vacation, Sick & Public Holidays)
  • Family leave (Maternity, Paternity)
  • Flexible work arrangements
  • Free food & snacks in office

The posted salary range is a general guideline and represents a good faith estimate of what Sonatus ("Company") could reasonably expect to pay for this position. The pay offered to a selected candidate will be determined based on factors such as (but not limited to) the scope and responsibilities of the position, the qualifications of the selected candidate, departmental budget availability, geographic location and external market pay for comparable jobs. The Company reserves the right to modify this range in the future, as needed, as market conditions change.

Pay range for this role

$140,000—$177,000 USD

Sonatus is a fast-paced and innovative company and are seeking team members who are passionate about making a difference. If you are ready to take your career to the next level, we highly encourage you to apply.

To all recruitment agencies: Sonatus, Inc. ("Sonatus") does not accept unsolicited agency resumes. Please do not forward resumes to our careers alias or other Sonatus' employees. Sonatus is not responsible for any fees associated with unsolicited activities.

Salary : $140,000 - $177,000

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