---
title: 'Senior Software Developer, Vehicle Applications Software at Sonatus'
canonical: 'https://feeny.ai/job/senior-software-developer-vehicle-applications-software-sonatus-dublin-ka9a1rtm2jtx'
type: 'job'
last_seen: '2026-09-11'
---

# Senior Software Developer, Vehicle Applications Software at Sonatus

- **Company:** Sonatus
- **Location:** Dublin, Ireland
- **Posted:** 2026-08-14
- **Last confirmed live:** 2026-09-11
- **Apply:** https://job-boards.greenhouse.io/sonatus/jobs/5212260007

## 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.

## Role Summary

We are seeking a Senior Embedded Software Engineer to develop and optimise our core in-vehicle software platform for Sonatus Fastlane Collector and Copilot products. In this role, you will be a key contributor to next-generation vehicle applications, middleware, and platform services running on automotive-grade High-Performance Compute (HPC) platforms.

Job Responsibilities

- Build, maintain, and optimize high-performance in-vehicle applications and connectivity middleware, ensuring low latency and high-throughput data transfer between vehicles and the cloud.
- Implement and support robust platform services responsible for system-wide resource management, health monitoring, and lifecycle management.
- Troubleshoot and root-cause issues across development, testing, and production environments.
- Author comprehensive unit and integration tests. Conduct code reviews to maintain high standards of code quality.
- Adhere to established development processes and create clear design documents to facilitate design reviews and knowledge sharing.

## Requirements

- 5+ years of professional software development experience.
- A bachelor's degree in computer science, maths, physics, or a similar field.
- Strong proficiency in modern C++ (C++14/17), with a deep understanding of RAII, smart pointers, multithreading, inter-process communication, and memory management in resource-constrained environments.
- Hands-on experience developing, cross-compiling, testing, and debugging on Embedded Linux. Experience with Android, QNX, and other POSIX-compliant operating systems is a plus.
- Experience writing automated unit and integration tests using modern C++ testing frameworks and Python.
- Experience with modern transport protocols (HTTP, MQTT) and serialization formats (Protobuf, FlatBuffers, JSON).
- Exposure to vehicle network/diagnostic standards (CAN, Ethernet, SOME/IP, UDS) or automotive industry standards such as Adaptive AUTOSAR is a plus.
- Familiarity with Rust is a plus.
- A team player with excellent written and verbal communication skills.

## 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)

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- [Senior Staff Technical Program Manager](https://feeny.ai/job/senior-staff-technical-program-manager-sonatus-sunnyvale-3yq3k8p80rmq) — Sunnyvale, CA
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