Senior Advanced Software Engineer (m/f/d)

Technologies we use

Expected

• C++
• SQL

Optional

• Rust

Your 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
• Supporting team members in their development
• Shaping the architecture and participating in building the strategy for further software development

Our requirements

• 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 and above, SQL, REST API
• Knowledge of distributed systems and client-server architecture
• Experience with and willingness to leverage GenAI coding assistants (i.e. GitHub Copilot, OpenAI Codex)
• Good written and verbal English and Polish communication skills

Optional

• 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

What we offer

• State-of-the-art office with chill-out areas, bicycle stands, showers and probably the best coffee in town
• Fruits bowls and sports activities to support your health and well-being
• Daily paid break - 30 mins and flexible working hours
• Hybrid work arrangement (3&2) to support your work-life balance
• Competitive Salary regularly increased based on your performance
• Flexible benefits basket with monthly budget allocated (medical insurance, life insurance, Multisport Card)
• Generali Insurance (Accident Insurance)
• Referrals bonuses for all open jobs and recognition programs
• Comprehensive induction, ongoing training and development to set you up for success
• In-house and external learning platforms supporting development opportunities
• Employee Assistance Program - Free and confidential service to help with any difficulties regarding work, life and personal or family matters
• Frequent Employee Engagement activities supporting inclusive and diverse work environment
• Contribution to social benefits like x-mas benefit, holiday, engagement events from company social fund.

Equal opportunity statement

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

Honeywell

Honeywell is a $40 billion diversified Fortune 100 leader with more than 131,000 employees in 100 countries around the world. Our core businesses - Aerospace, Building Technologies, Safety and Productivity Solutions and Performance Materials and Technologies – are leaders in their respective industries, driving solutions that make people’s lives better every day. Chances are that there are Honeywell products all around you right now.

This is how we work