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Embedded Software & Systems Integration

Stem Global provides specialized automotive software and systems engineering services supporting the full vehicle software lifecycle — from AUTOSAR architecture and embedded ECU development to functional safety, cybersecurity, diagnostics, integration, and performance optimization. Our capabilities help OEMs and suppliers build reliable, compliant, and future-ready vehicle platforms

A. Automotive AUTOSAR Services - 

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1.  AUTOSAR Classic Platform 

  • ECU Software Development (MCAL, BSW, RTE) 

  • AUTOSAR Stack Configuration & Integration 

  • Legacy SW Migration to AUTOSAR 

  • Performance Optimization for Classic ECUs                                                                                                                      

2.  AUTOSAR Adaptive Platform 

  • High-Performance ECU Application Development 

  • Service-Oriented Architecture (SOA) Implementation 

  • Middleware Integration (DDS, SOME/IP) 

  • Adaptive Platform Migration & Optimization 

 

3. AUTOSAR Toolchain & Automation 

  • Tool Configuration (Vector DaVinci, EB Tresos) 

  • Custom Tool Development for Automation 

  • CI/CD Integration for AUTOSAR Projects                                                                                                                                                                                                                             

4.  AUTOSAR Compliance & Testing 

  • Conformance Testing against AUTOSAR Standards 

  • Diagnostic & Communication Stack Validation 

  • ISO 26262 Functional Safety Compliance 

B. Automotive Embedded Software  - 

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  • ECU Firmware Development (Powertrain, Chassis, Body, Infotainment) 

  • Real-Time Operating System (RTOS) Integration 

  • Bootloader Development & Optimization 

 

D. Functional Safety Engineering  - 

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  • ISO 26262 Consulting & Implementation 

  • Safety Analysis (FTA, FMEA, FMEDA) 

  • Safety Architecture Design & Validation 

C. Model Base Development (MBD) - 

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  • Control Algorithm Design (MATLAB/Simulink) 

  • Auto-Code Generation & Integration 

  • SIL/MIL/HIL Testing Frameworks 

 

E. Cyber Security Services  - 

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  • ISO/SAE 21434 Compliance 

  • Secure Boot, Encryption, Key Management 

  • Penetration Testing for Automotive ECUs 

 

G. Diagnostic & Communication  - ​​

I. Over-the-Air (OTA) Update Solutions  - 

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  • UDS (ISO 14229), CAN, LIN, FlexRay, Ethernet Stack Development 

  • OBD-II & DoIP Implementation 

  • Diagnostic Tool Development 

 

  • Secure OTA Update Mechanisms 

  • Version Management & Rollback Strategies 

  • Cloud Integration for OTA Services 

H. Software Integration & Validation  - 

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  • SIL, MIL, HIL Testing 

  • Automated Test Framework Development 

  • Continuous Integration (CI) for Automotive Software 

 

J. Vehicle Network & Middleware - 

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  • SOME/IP, DDS, MQTT Communication Development 

  • Gateway ECU Development 

  • Network Performance Optimization 

 

K. Performance Optimization  - 

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  • Memory & CPU Profiling for ECUs 

  • Boot Time Optimization 

  • Resource Utilization Analysis 

 

M. Communication & Diagnostics  - 

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Implementation of in-vehicle communication protocols and diagnostic services for fault detection and maintenance. 

Service Offerings: 

  • Protocol Stack Development: 
    CAN, LIN, FlexRay, and Ethernet-based communication stacks for robust networking. 

  • UDS (ISO 14229) Implementation: 
    Unified Diagnostic Services for ECU health monitoring and troubleshooting. 

  • OBD-II & DoIP Support: 
    On-board diagnostics and IP-based communication for modern connected vehicles. 

  • Compliance with global automotive standards. 

L. ECU Software Development 

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Development of embedded software for Electronic Control Units (ECUs) across various domains such as powertrain, chassis, body, infotainment, and ADAS. 

Service Offerings: 

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  • Application Layer Development: 
    Design and implement control algorithms for vehicle functions, ensuring real-time performance and compliance with OEM standards. 

  • Bootloader Development: 
    Secure boot mechanisms, firmware update support, and rollback strategies for reliable ECU operation. 

  • Low-Level Drivers (MCAL/HAL): 
    Development and integration of Microcontroller Abstraction Layer (MCAL) and Hardware Abstraction Layer (HAL) for seamless hardware-software interaction. 

N. Cyber Security Services  - 

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Ensuring ECU software meets safety and security standards for automotive systems. 

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Service Offerings: 

  • ISO 26262 Compliance: 
    Safety concept development, hazard analysis, and software architecture design. 

  • Cybersecurity Solutions: 
    Secure boot, encryption, key management, and vulnerability assessment aligned with ISO/SAE 21434. 

 

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