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Sr. Software Integration Engineer

Sonatus is accelerating vehicle software innovation, enabling automakers to achieve the full promise of software-defined vehicles.

Sonatus

Employee count: 51-200

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Join a high-performing team at Sonatus that’s redefining what cars can do in the era of Software-Defined Vehicles (SDV).

At Sonatus, we’re driving the transformation to AI-enabled software-defined vehicles. Traditional automotive software methods can’t keep pace with consumer expectations shaped by the mobile industry—where features evolve rapidly, update seamlessly, and improve continuously. That’s why leading OEMs trust Sonatus to accelerate this shift. Our technology is already in production across more than 5 million vehicles on the road today and rapidly expanding.

Headquartered in Sunnyvale, CA, with 250+ employees worldwide, Sonatus combines the agility of a fast-growing company with the scale and impact of an established partner. Backed by strong funding and proven by global deployment, we’re solving some of the most interesting and complex challenges in the industry. Join us and help redefine what’s possible as we shape the future of mobility.

Sonatus is a leading provider of software technologies enabling global OEMs and Tier 1 system integrators to build software-defined vehicles. We are looking for a highly
motivated SW 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:

1) Stay at the forefront with customers, understanding the pressing problems facing the industry and the most advanced technologies required to solve them.
2) Apply your skillsets to build SW solutions, creating immediate impact and helping our customers, as well as shaping the industry with solutions you build.
3) 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.
● Plan POCs based on the scope for the customers, and estimate required works and effort to complete the POC and provide NRE estimate, and resource forecast.
● Troubleshooting Debugging: Identify, analyze, and resolve issues that arise during the software integration process, ensuring a smooth and reliable software system.
● Triage the customer-reported technical issues, identify the domain of issues, and assign them to the appropriate stakeholders accordingly.
● Demo and Presentation: Present solution using either demo SW or architecture presentation to customers and partners to showcase our product and technology advantages.
● Customer Management: 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.
● Vendor Management: Manage external resource vendors for applicable projects on the planning of scope, timing, and expected deliverables, and oversee the execution in progress.
● 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.
● Performance Optimization: Monitor, analyze, and optimize the performance of integrated systems, addressing any bottlenecks and ensuring the software runs efficiently.

Minimum Qualifications and Experience

● A Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, or related fields with seven 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.
● Proficient in shell scripting languages and Python.
● Familiar with software architecture and end-to-end solutions.
● Familiarity with software configuration management tools and defect tracking tools.
● Excellent presentation and communication skills.

● Able to travel up to 20% of the time.

Nice to Have Skills and Knowledge

● Familiar with the Linux and QNX boot sequence.

Able to communicate with customers and stakeholders in French.

Familiar with bootloaders, Linux, and microcontroller image flashing.

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

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.

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About the job

Apply before

Dec 10, 2025

Posted on

Oct 11, 2025

Job type

Full Time

Experience level

Senior

Location requirements

France

Hiring timezones

France +/- 0 hours

About the job

About Sonatus

Learn more about Sonatus and their company culture.

View company profile

At Sonatus, we believe that our employees are a critical asset, and we want to share their stories with you. We are a technology company that is a leading provider of automotive software solutions. Our software suite, adopted by leading automotive companies and their suppliers, supports them to innovate faster. By integrating our products and solutions into their vehicles, our customers can deliver new features, unlock new revenue streams, improve reliability, achieve predictive maintenance, capture valuable data and improve the automotive experience for their customers. We are proud to have our award-winning software platform in mass production vehicles from Hyundai, Kia, and Genesis.

Our innovative vehicle platform is evolving and adapting in real-time, allowing for rapid deployment of new automotive functions. We understand the importance of agile development, and we work closely with OEMs to complement their existing processes. At Sonatus, we are ushering in a new era of software-defined vehicles (SDVs), which represent not only the next step in automotive technology but also a transformational approach to how vehicles are designed, manufactured, and serviced. Our team's expertise spans across complex industries such as automotive, IT, and data management, making us uniquely positioned to lead the charge toward sustainable and cutting-edge automotive solutions.