> Markdown version of [/jobs/ext/4623723-23687-senior-sw-engineer](https://www.wearedevelopers.com/jobs/ext/4623723-23687-senior-sw-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# 23687-Senior SW Engineer

- **Company:** Mettler-Toledo International Inc.
- **Location:** Tustin, CA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, C++ (Programming Language), CMake, Computer Programming, Data Fusion, Cursor, Software Debugging, Noise Reduction, Software Design Documents, Linux, Memory Management, Ethernet, GNU Debuggers, Make (Software), Linux System Administration, Modbus, Message Queuing Telemetry Transport (MQTT), Profibus, Software Architecture, OPC Unified Architecture, RS-485 Standard, Signal Processing, Software Engineering, Toolchain, Multithreading, GitHub Copilot, Large Language Models, Linux Development, Information Technology, Real Time Data, Iec61131-3, Virtual Agents, Programming Languages
- **Published:** November 7, 2026
- **Apply:** https://www.careerbuilder.com/job-details/23687-senior-sw-engineer-tustin-ca--6a3523bc-7668-40c5-9556-b2e3a483c4d3

## About the Role

Software Engineering, Software Development, Software Design, Product Development, Research & Development (R&D), Customer/Client Research, Time Management, Resolve Customer Issues, Team Lead/Manager, Computer Science, * Bachelor or above, Automation, Computer Science or similar education background.

 * Good proficiency in English listening, speaking, reading, and writing skills.
 * Over 5 years of software development experience,proficient in embedded systems programming, familiar with C/C++ or other relevant programming languages.
 * Solid experience in Linux application development, proficient in Linux development toolchains (e.g., GCC/GDB, CMake, Makefile), and familiar with multi-threading, IPC, and memory management in Linux environments.
 * Solid experience in high-speed sensor signal processing, real-time data acquisition, and noise reduction. Familiar with advanced filtering algorithms (e.g., Kalman filter, FIR/IIR) and data fusion techniques for dynamic or moving environments.
 * Proficient in using AI-assisted development tools.(e.g., GitHub Copilot ,Cursor). Familiar with LLM and AI Agent concepts, with experience in AI-assisted development workflows, LLM API integration, and applying AI capabilities to real product development.
 * Familiar with commonly used protocols in the industrial field, such as OPC UA, MQTT, Modbus, Profibus, RS485, HART, and industrial ethernet.
 * Possess good coding style, programming, and testing habits, and able to write high-quality design documents.
 * Good communication skills, strong sense of responsibility, and willingness to learn and share new technologies.
 * Experience in SoftPLC and industrial control application development. Familiar with IEC 61131-3 programming standards (e.g., ST, LD) and capable of designing, optimizing, and debugging control logic on software-based PLC platforms. (Preferred)
 * Experience in software architecture design, project management or requirements analysis (Preferred).

## Description

* Responsible for the software design and development of new products, to ensure the research and development progress, quality and cost.
 * Responsible for the preparation and review of the design scheme of software features to ensure the completeness and accuracy of the design output.
 * Responsible for the research, evaluation and introduction and application of new technologies
 * Responsible for the MOL products and solve the problems of user feedback in a timely manner.
 * Cooperate with project leader, hardware team and other members.
 * Cross-unit cooperation among MT-Global and MT-China.