Senior Engineer – Battery Management System (BMS) Software (ASW, BSW & Unit Testing)

Job Title

Senior Engineer – Battery Management System (BMS) Software

Experience

3-5 Years

Location

Olectra Greentech Ltd

Sy No 1673, Seetharampur, Shabad, Telangana 509217

[Hyderabad]

Employment Type

Full-Time

Job Summary

We are looking for a highly motivated Senior Engineer with 5–8 years of experience in Automotive Embedded Software Development and Battery Management Systems (BMS). The ideal candidate should have strong expertise in Application Software (ASW), Basic Software (BSW), and Unit Testing, with hands-on experience in AUTOSAR, Embedded C, and automotive software development processes.

The candidate will be responsible for software development, integration, debugging, unit testing, and supporting system validation while ensuring compliance with automotive quality and functional safety standards.

Key Responsibilities

Application Software (ASW)

- Develop and maintain BMS application software using Embedded C.
- Implement battery management features including:

- State of Charge (SOC)

- State of Health (SOH)

- State of Power (SOP)

- Cell balancing

- Battery protection

- Charge and discharge control

- Thermal management

- Fault diagnostics
- Operating mode/state machine implementation
- Develop software based on system and software requirements.
- Perform software integration and debugging on target hardware.
- Optimize software for performance, memory utilization, and execution time.

Basic Software (BSW)

- Configure and integrate AUTOSAR Basic Software modules.

- Configure and support

- MCAL Drivers

- AUTOSAR Operating System

- Runtime Environment (RTE)

- ECU Configuration

- Communication Stack (CAN/CAN FD/LIN)

- Diagnostic Stack (UDS/DCM)

- NVM and Memory Stack

- Watchdog Manager

- ECU State Manager




- Support bootloader integration and ECU flashing.
- Diagnose hardware and low-level software issues.

Unit Testing & Software Quality

- Develop and execute unit test cases for software modules.
- Perform white-box and requirement-based testing.
- Use automated unit testing tools such as VectorCAST, Tessy, or Cantata.
- Achieve project targets for code coverage (Statement, Branch, MC/DC).
- Analyze static analysis reports and resolve software defects.
- Support software integration, regression, and validation testing.

Software Integration

- Integrate ASW and BSW components.
- Support SIL, HIL, and ECU-level testing.
- Analyze CAN communication and diagnostic messages.
- Work closely with hardware, systems, and validation teams to resolve integration issues.

Documentation & Process

- Prepare software design documentation and unit test reports.
- Maintain requirement traceability.
- Participate in peer reviews and code reviews.
- Follow ASPICE and ISO 26262 software development processes.
- Adhere to MISRA C coding guidelines.

Required Technical Skills

Embedded Software

- Embedded C programming
- Valuable understanding of C++
- Real-Time Operating Systems (RTOS)
- Microcontroller programming (Infineon, NXP, Renesas, TI, or STMicroelectronics)

Battery Management Systems

- Lithium-ion battery fundamentals
- SOC, SOH, SOP estimation
- Cell balancing algorithms
- Battery protection strategies
- Charging and discharging control
- Thermal management
- Fault detection and diagnostics

AUTOSAR





- AUTOSAR Classic Platform
- BSW configuration
- MCAL
- RTE
- ECU Configuration
- Communication Stack
- Diagnostic Stack
- Memory Stack

Communication Protocols

- CAN
- CAN FD
- LIN
- UDS Diagnostics
- XCP (preferred)
- Ethernet (preferred)

Unit Testing Tools

- Vector CAST
- Tessy
- Cantata
- Google Test (preferred)

Static Analysis & Code Quality

- Polyspace
- QAC
- PC-lint
- Coverity
- SonarQube

Development Tools

- Vector CANoe
- CANalyzer
- DaVinci Configurator
- EB tresos Studio
- Lauterbach Debugger
- Git
- Confluence
- Jenkins
- MATLAB/Simulink (preferred)

Functional Safety & Standards

- ISO 26262
- Automotive SPICE (ASPICE)
- MISRA C
- Basic understanding of ISO/SAE 21434 Cybersecurity (preferred)

Qualifications

- Bachelor's or Master's degree in Electronics, Electrical Engineering, Computer Science, Instrumentation, or a related engineering discipline.

Desired Experience

- 5–8 years of experience in Automotive Embedded Software Development.
- Minimum 3 years of hands-on experience in Battery Management System software development.
- Experience in complete software development lifecycle (Requirements, Design, Coding, Unit Testing, Integration, and Validation).
- Experience with OEM or Tier-1 automotive projects is preferred.

Soft Skills

- Strong analytical and debugging skills.
- Excellent problem-solving ability.
- Effective communication and documentation skills.
- Ability to work in cross-functional and global teams.
- Self-driven with a focus on quality and timely delivery.

Key Performance Indicators (KPIs)

- Timely delivery of software components.
- High unit test coverage and software quality.
- Low software defect leakage.
- Compliance with coding standards and ASPICE processes.
- Successful software integration and validation support.

📌 Job Description_ Senior Engineer_ Battery Management System (Hyderabad)
🏢 Olectra Greentech
📍 Hyderabad