Senior Advanced Software Engineer - hybrid

Honeywell Technologies; Województwo pomorskie; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Hybrid work (3+2)

State-of-the-art office

Flexible benefits

Job summary

Honeywell Technologies is seeking a Senior Advanced Software Engineer to design and implement software for the LenelS2 OnGuard platform. You will collaborate across international teams and contribute to architecture and strategy while supporting colleagues’ development.

The role offers a hybrid work model (3 days in office, 2 days from home) and opportunities to grow within a global, diverse engineering environment.

Qualifications

• Bachelor’s degree in computer science or related field or equivalent experience.
• Minimum 4 years of software development experience.
• Strong knowledge of C++14+ and SQL; REST API experience.
• Understanding of distributed systems and client–server architecture.
• Willingness to use GenAI coding assistants (GitHub Copilot, OpenAI Codex).
• Proficient English and Polish communication skills.

Responsibilities

• Designing and implementing software for the LenelS2 OnGuard platform.
• Participating in the full software development life cycle.
• Collaborating with cross-functional teams in an international environment.
• Mentoring team members and supporting their development.
• Shaping architecture and contributing to the roadmap for future software features.

Skills

C++14+

SQL

REST API

Distributed systems

English & Polish communication

GenAI coding assistants

Education

Bachelor’s degree in computer science or related field

Tools

GitHub Copilot

OpenAI Codex

Job description

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

Hybrid role

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 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

Qualifications

• 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

Nice To Have

• 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

Our 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
• Work experience opportunities to help you grow your career with us
• Global employee networks to help you connect and grow
• Employee Assistance Program - Free and confidential service to help with any difficulties regarding work, life and personal or family matters
• Access Integrity line - Any workplace issues or violations that need to be raised in good faith, can be communicated in a safe, private and confidential environment
• 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.

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.