Software Engineer II

Description

We are looking for a Software Engineer will develop and maintain embedded software for commercial elevator products. This role requires strong hands-on experience with embedded systems, real-time software development, and close interaction with hardware. The successful candidate will work collaboratively within a team environment, remain open to guidance from senior team members, and contribute across the full software development lifecycle, from concept and design through validation and production.

This position supports both legacy elevator control systems and new product development, requiring adaptability, technical depth, and a strong commitment to safety, quality, and continuous learning.

Key Responsibilities:

Design, develop, and maintain embedded system software for commercial elevator control products.

Participate in all phases of the software development lifecycle, including concept development, design, implementation, validation, deployment, and production support.

Implement new software features and change requests using high-level C/C++ for embedded elevator systems.

Coordinate project activities across multiple elevator control system components, including control boards and field tools.

Develop and execute unit and integration tests in an engineering lab environment using hardware simulators.

Document software requirements, design specifications, test procedures, and test results.

Perform regression testing in support of software releases and maintain existing control software through enhancements and feature expansion.

Manage configuration control and change management while troubleshooting field issues and delivering software solutions.

Adhere to established coding standards and actively promote peer code reviews to ensure high-quality, maintainable software.

Develop a deep understanding of elevator control hardware, interfaces, and system interactions.

Collaborate with cross-functional teams while maintaining alignment across the organization.

Comply with company standards, including the Otis Absolutes of Safety, Ethics, and Quality.

Requirements

Qualifications:

Bachelor's degree in Computer Engineering, Electrical Engineering, Computer Science, or a closely related field with 7+ years of professional experience, or a Master's degree with 5+ years of experience.

Strong professional experience with embedded C/C++ software development.

Hands-on development experience with Embedded Linux and/or RTOS environments (e.g., VxWorks, ThreadX, Green Hills).

Experience developing multithreaded applications, inter-process communication, and real-time systems.

Practical experience implementing and debugging communication protocols such as CAN, RS232, RS422, RS485, SPI, I2C, timers, EEPROM, and flash drivers.

Proficiency with source version control systems such as Git, Subversion, and Atlassian tools.

Experience with unit testing, integration testing, regression testing, and real-time debugging.

Familiarity with defect tracking tools such as JIRA or Bugzilla.

Ability to understand hardware design concepts and read high-level electrical schematics (1-line and 3-line diagrams).

Excellent written and verbal communication skills and the ability to work effectively in a team environment.

Willingness and ability to work in elevator hoistways and machine rooms when required.

Experience working in product-based engineering environments.

Preferred Qualifications:

Experience developing simulator tools and UI/UX components using VB.NET or VC#.

Experience with Java and/or Python for tooling, scripting, or automation.

Hands-on experience with ColdFire and ARM 32-bit microcontrollers.

Advanced real-time debugging experience using tools such as emulators, logic or serial analyzers, oscilloscopes, JTAG/BDM, remote debuggers, and CANalyzer.

Understanding of cybersecurity concepts as they relate to embedded and connected systems.

Previous experience supporting complex, safety-critical systems in regulated environments.

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