Senior Advanced Software Engineer

Job Description As a Senior 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 This is a hybrid role, 3 days from the office and 2 days from home. Honeywell Honeywell Building Automation is transforming the way every building operates to help improve the quality of life for the people who use them. With a portfolio featuring software, hardware and services, Honeywell takes an outcome-focused approach to help building owners and operators improve safety and security, energy and operational efficiencies to create a better building experience. Helping to Transform Buildings to be Safer and More Operationally and Energy Efficient. Responsibilities Designing and implementing software for the LenelS2 OnGuard platformParticipating in the full software development cycleCollaborating with cross-functional teams in an international environmentSupporting team members in their developmentShaping the architecture and participating in building the strategy for further software development Qualifications Bachelor’s degree in computer science or related field, or equivalent experienceMinimum 4 years of experience in software developmentVery good knowledge of C++14 and above, SQL, REST APIKnowledge of distributed systems and client-server architectureExperience with and willingness to leverage GenAI coding assistants (i.e. GitHub Copilot, OpenAI Codex)Good written and verbal English and Polish communication skills Nice To Have Strong analytical and problem-solving skillsExperience in developing distributed or high-performance systemsBackground in gathering or shaping requirements for the productExperience with any of the following: C++ 14 and beyond, C# (.NET Framework), Message Broker (e.g. RabbitMQ), Rust, Visual Studio Our Offer State-of-the-art office with chill-out areas, bicycle stands, showers and probably the best coffee in townFruits bowls and sports activities to support your health and well-beingDaily paid break - 30 mins and flexible working hoursHybrid work arrangement (3&2) to support your work-life balanceCompetitive Salary regularly increased based on your performanceFlexible benefits basket with monthly budget allocated (medical insurance, life insurance, Multisport Card)Generali Insurance (Accident Insurance)Referrals bonuses for all open jobs and recognition programsComprehensive induction, ongoing training and development to set you up for successIn-house and external learning platforms supporting development opportunitiesWork experience opportunities to help you grow your career with usGlobal employee networks to help you connect and growEmployee Assistance Program - Free and confidential service to help with any difficulties regarding work, life and personal or family mattersAccess Integrity line - Any workplace issues or violations that need to be raised in good faith, can be communicated in a safe, private and confidential environmentFrequent Employee Engagement activities supporting inclusive and diverse work environmentContribution to social benefits like x-mas benefit, holiday, engagement events from company social fund. We are an equal opportunity employer and value diversity at our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform crucial job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation. Join us now and be part of a global team of thinkers, innovators, dreamers, and doers who make the things that make the future! #FutureShaper #GdanskEngineering2026 #PWIT About Us Honeywell Technologies is a global, pure-play automation company with a legacy of innovating to help solve the world’s most mission-critical challenges, enhancing the quality of life for people and communities around the world. We serve the building, industrial and process sectors with a broad portfolio of services, solutions and products, underpinned by our Honeywell Technologies Accelerator operating system and Honeywell Technologies Forge intelligence layer. By combining the deep domain expertise of our more than 50,000 employees with decades of data from our global installed base, we are uniquely positioned to lead the industrial sector’s transition from automation to autonomy.