Sr Advanced Software Engr
Honeywell
Shanghai, China
Posted on Feb 4, 2026
As an Sr Advanced Software Engineer here at Honeywell, you will be responsible for developing software under the LenelS2 OnGuard product line. In this role, you will impact the security landscape by contributing to industry-leading solutions which protect and manage critical infrastructure for our clients, enhancing their operational efficiency and safety.
https://buildings.honeywell.com/us/en/brands/our-brands/lenels2/security-products/onguard
Honeywell helps organizations solve the world's most complex challenges in automation, the future of aviation and energy transition. As a trusted partner, we provide actionable solutions and innovation through our Aerospace Technologies, Building Automation, Energy and Sustainability Solutions, and Industrial Automation business segments – powered by our Honeywell Forge software – that help make the world smarter, safer and more sustainable.
YOU MUST HAVE
- Bachelor’s degree in computer science or related field, or equivalent experience
- Minimum 4 years of experience in software development
- Very good knowledge of C++14 or above, C#, SQL
- Very good knowledge of distributed systems, client-server architecture and REST API
- Experience with and willingness to leverage GenAI coding assistants (i.e. GitHub Copilot, OpenAI Codex)
- Good written English communication skills
WE VALUE
- Strong analytical and problem-solving skills
- Experience in developing distributed or high-performance systems
- Background in gathering or shaping requirements for the product
- Experience with any of the following: C++ 14 and beyond, C# (.NET Framework), Message Broker (e.g. RabbitMQ), Rust, Visual Studio
KEY RESPONSIBILITIES
- Designing and implementing software for the LenelS2 OnGuard platform
- Participating in the full software development cycle
- Collaborating with cross-functional teams in an international environment