--- title: 'Senior Software Engineer, Customer Integrations at Sonatus' canonical: 'https://feeny.ai/job/senior-software-engineer-customer-integrations-sonatus-sunnyvale-dth8gwbcspm0' type: 'job' last_seen: '2026-09-11' --- # Senior Software Engineer, Customer Integrations at Sonatus - **Company:** Sonatus - **Location:** Sunnyvale, CA - **Compensation:** $140k–$165k - **Posted:** 2026-08-24 - **Last confirmed live:** 2026-09-11 - **Apply:** https://job-boards.greenhouse.io/sonatus/jobs/5220638007 ## Job description 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 8 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. 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. - 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 Sunnyvale HQ Benefits & Perks Offered: - Health care plan (Medical, Dental & Vision) - Flexible and Dependent Care Expense program - Retirement plan (401k) - Life Insurance (Basic, Voluntary & AD&D) - Unlimited paid time off per year, 14+ paid holidays - Hybrid office work arrangement - Complimentary lunches, snacks, and beverages during on-site working days - Wellness benefit allowance - Phone & Internet reimbursement - Computer Accessory Allowance The posted salary range is a general guideline and represents a good faith estimate of what Sonatus ("Company") could reasonably expect to pay for a base salary 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. Base Salary Pay Range $140,000—$164,752 USD ## About Sonatus ## Company Overview - **One-liner**: Sonatus delivers an AI-powered software platform for software-defined vehicles, enabling OEMs and suppliers to reduce costs, accelerate time-to-market, and continuously improve vehicles across their lifecycle. - **Entity Type**: Private (venture-backed) - **Headquarters**: Sunnyvale, California, USA - **Founded**: 2018 - **Founders**: Jeff Chou (CEO) and Yu Fang (CTO) ## Core Business - **Primary industry/industries**: Automotive software, artificial intelligence, software-defined vehicles (SDVs) - **Target customers**: Global automakers (OEMs) and Tier 1 suppliers (B2B, Enterprise) - **Mission or purpose statement**: To simplify and accelerate the digital transformation of the automobile by building AI-native software that spans the full vehicle lifecycle. ## Products & Services - **Sonatus Foundation**: A flexible vehicle software architecture that provides the foundational platform for building and evolving software-defined vehicles. - **Sonatus Collector AI**: Enables dynamic, intelligent data collection from vehicles to drive continuous improvements and insights. - **Sonatus AI Director**: An end-to-end toolchain for developing, deploying, and monitoring in-vehicle edge AI models. - **Sonatus AI Technician**: AI-powered diagnostic assistants that support pre-production testing through post-sales services. - **Sonatus Updater**: Secure, predictable management of vehicle software updates with end-to-end traceability. - **Sonatus Automator AI**: A no-code solution for accelerating time-to-market and enabling rapid innovation. *All products are software/SaaS or platform-based, delivered as a combination of in-vehicle software and cloud services.* ## Market Standing - **Valuation/Market Cap**: Not publicly disclosed (private company) - **Key Metric**: Technology deployed in **over 8 million vehicles** globally (as of 2025/2026) – [sonatus.com](https://www.sonatus.com/) - **Notable Investors/Partners**: Backed by investors in the automotive, semiconductor, and venture capital sectors (specific names not publicly named on the website); partners with leading global automakers and Tier 1 suppliers. - **Growth Signals**: Rapid expansion with offices in 12+ countries (USA, Canada, Ireland, France, Germany, Poland, India, China, Taiwan, South Korea, Japan, Philippines); ~300 employees (Built In); actively hiring across engineering, AI, and customer success roles. ## Competitive Advantages - **AI-native from the ground up**: Unlike legacy automotive software providers, Sonatus built its platform specifically for AI-defined vehicles, enabling deeper integration and better performance. - **Proven scale and trust**: Already deployed in millions of production vehicles from top global OEMs, demonstrating reliability and safety in real-world conditions. - **Full lifecycle coverage**: Spans pre-production testing, production, and post-sales services – a rare end-to-end offering. - **Agile integration**: Collaborates closely with OEMs and Tier 1s, using agile methods that complement traditional automotive development processes. ## Strategic Focus - **Expand AI capabilities**: Continuing to develop agentic AI, data analytics, and automation tools for the vehicle edge and cloud. - **New revenue streams**: Helping automakers unlock value-added services and business models based on vehicle data. - **Global scaling**: Deepening presence in key automotive markets (Europe, Asia, North America) while hiring top AI and engineering talent worldwide. ## Why Work Here - **Mission-driven challenges**: Employees work on cutting-edge AI and automotive problems that directly impact the future of mobility. - **Hybrid work model**: Offices in Sunnyvale, Dublin, Paris, Seoul, and more; hybrid policy typically requires 3 days in-office per week, with some roles fully remote. - **Collaborative culture**: Described as "talented and diverse" with specialists from automotive, data centers, semiconductors, and enterprise software. - **Growth opportunity**: Well-funded and rapidly growing company with a proven product in production, offering the stability of a mature startup with the excitement of scaling. - **Global presence**: Multiple office hubs and remote-friendly roles across North America, Europe, and Asia provide flexibility. ## Sources 1. [Sonatus Official Website – About](https://www.sonatus.com/company/) 2. [Sonatus Official Website – Products](https://www.sonatus.com/) 3. [Sonatus Careers Page (Greenhouse)](http://job-boards.greenhouse.io/sonatus) 4. [Sonatus Careers Page – Locations](https://www.sonatus.com/company/careers/) 5. [Built In Profile – Sonatus](https://builtin.com/company/sonatus) ## Other roles at Sonatus - [Senior People Operations Generalist, EMEA](https://feeny.ai/job/senior-people-operations-generalist-emea-sonatus-dublin-2rpyks8z7amr) — Dublin, Ireland - [Senior Software Developer, Vehicle Applications Software](https://feeny.ai/job/senior-software-developer-vehicle-applications-software-sonatus-dublin-ka9a1rtm2jtx) — Dublin, Ireland - [Senior Staff Technical Program Manager](https://feeny.ai/job/senior-staff-technical-program-manager-sonatus-sunnyvale-3yq3k8p80rmq) — Sunnyvale, CA - [Senior Compliance Engineer](https://feeny.ai/job/senior-compliance-engineer-sonatus-seoul-fcnjsc3wy7rc) — Seoul, South Korea - [Staff Machine Learning Engineer](https://feeny.ai/job/staff-machine-learning-engineer-sonatus-dublin-x5darq0g8hs2) — Dublin, Ireland - [Staff AI Engineer](https://feeny.ai/job/staff-ai-engineer-sonatus-toronto-8x3qj595q5p5) — Toronto, Canada - [Software Engineer - Customer Integration (Network)](https://feeny.ai/job/software-engineer-customer-integration-network-sonatus-pangyo-south-rsyt54wddv95) — Pangyo South, South Korea - [Senior Engineering Manager](https://feeny.ai/job/senior-engineering-manager-sonatus-dublin-hvhhwy3bfr9t) — Dublin, Ireland - [Staff Cloud Backend Engineer (Database)](https://feeny.ai/job/staff-cloud-backend-engineer-database-sonatus-dublin-vq433pey3p3q) — Dublin, Ireland / Krakow, Poland - [Senior Manager, Engineering - AI Validation](https://feeny.ai/job/senior-manager-engineering-ai-validation-sonatus-sunnyvale-16f78f7ay03m) — Sunnyvale, CA