Full Stack Software Architect - EE Platform

Stellantis Financial Services; Auburn Hills (MI); On-site; USD 140,000 - 190,000; Full time

Job summary

Stellantis Financial Services in Auburn Hills, MI is seeking a Full Stack Software Architect for the EE Platform to define and govern the software architecture for next‑gen Electrical & Electronic platforms and SDV programs, including STLA Brain.

You will lead cross‑functional reviews, establish standards, optimize performance, and guide interfaces across embedded, middleware, and vehicle networks (CAN/LIN/Ethernet, SOME/IP), collaborating with systems, hardware, safety, cybersecurity, and

Qualifications

• Bachelor's degree in Computer Science, Software/Electrical/Automotive Engineering or related field.
• 10+ years of embedded software architecture design and development.
• Experience designing signals/services interfaces and architectural documentation.
• Knowledge of in-vehicle networks and POSIX OS.
• Cross-functional leadership and design-review ownership.

Responsibilities

• Define and maintain end-to-end EE platform architecture.
• Drive decisions across embedded software, middleware, and app integration.
• Establish standards, design patterns, and best practices.
• Lead architecture reviews and governance activities.
• Performance & resource optimization (CPU, memory, storage, networking).
• Vehicle networking & communications expertise across CAN/LIN/Ethernet/SOME/IP.

Skills

Embedded architecture

In-vehicle networking

QNX/hypervisor

POSIX OS

Cross-functional leadership

Education

Bachelor's degree in a related field

Tools

QNX

Autosar

SOME/IP tooling

Job description

The Full Stack Software Architect - EE Platform is responsible for defining, governing, and evolving the software architecture for Stellantis next-generation Electrical & Electronic (EE) platforms and Software Defined Vehicle (SDV) programs, including platforms such as STLA Brain.

This role provides technical leadership across the complete software stack, from embedded platform services and operating systems through middleware, communication frameworks, application interfaces, and vehicle-level software integration. The architect works closely with System, EE, Hardware, Controls, Safety, Cybersecurity, and Software teams to ensure scalable, high-performance, and cost-effective platform solutions.

Key Responsibilities:

• Define and maintain the end-to-end software architecture for EE platforms.
• Drive architectural decisions across embedded software, middleware, platform services, and application integration.

• Establish architectural standards, design patterns, and best practices.
• Lead architecture reviews and technical governance activities.
• Performance & Resource Management: Lead CPU, memory, storage, networking, and real-time performance optimization. Ensure efficient use of EE platform resources and infrastructure
• Vehicle Networking & Communications: Provide expertise on CAN, Lin, Automotive Ethernet (SOME/IP), SPI, Shared Memory, ...

Technical Leadership:

• Provide guidance and mentoring to software, systems, and controls architects.
• Lead cross-functional technical workshops and design reviews.
• Assess technical trade-offs involving performance, safety, cybersecurity, maintainability, and Total Cost of Product (TCP).
• Support supplier and partner architecture evaluations.

Basic Qualifications:

• Bachelor Degree in Computer Science, Software Engineering, Computer Engineering, Electrical Engineering, Automotive Engineering or related field.
• A minimum of 10 years' experience in design and development of embedded software architecture
• Knowledge of signal and service-oriented interface design.
• Knowledge of POSIX OS
• Strong knowledge of in-vehicle networking (CAN/LIN/Ethernet) including SOME-IP.
• QNX/hypervisor
• Experience defining interfaces (signals/services), requirements, and architectural documentation
• Cross-functional leadership (systems/hardware/software) + design review ownership

Preferred Qualifications:

• Systems-level understanding of vehicle functional domains and their relationships and constraints.
• Gateways/protocol translation
• ASPICE, V-model.
• Experience with platform services like time synchronization, cloud connectivity, and end-to-end protection.
• AUTOSAR (Classic and/or Adaptive)