Software Developer (Node.js and React)

As a global leader in facilities services we connect people and places to make the world work better. Whether directly or indirectly, you’ll play a vital role in supporting our placemakers in delivering exceptional workplace experiences for our customers. Together, we make space for people and businesses to thrive.

Location: Warsaw - Poland 

Language: English 

Main purpose of the position:

As a Fullstack Developer, you will contribute to the development and maintenance of our internal applications, ensuring seamless integrations between different services and platforms. You will work with modern technologies and collaborate with cross-functional teams to build scalable and maintainable solutions.
 

What you’ll do:

• Develop new features, and address maintenance and continuous improvement of existing software with a strong focus on maintainability and quality; 
• Deep in conversations regarding the creation of fresh components and services that seamlessly blend with both internal and external services, overseeing their execution; 
• Actively contribute to the documentation of codebase architecture, design decisions, and best practices, ensuring that knowledge is effectively shared and maintained within the team; 
• Actively participate in code reviews and provide constructive feedback to peers, fostering a collaborative and knowledge-sharing environment within the development team. 
   

Who you’ll work with:

• Software Development Team: You'll collaborate closely with other developers to share knowledge, tackle challenges together, and ensure code consistency and quality; 

• Product Owners and Designers: You'll work closely with product managers and designers to understand user needs, translate them into technical requirements, and ensure the final product meets expectations; 

• QA Engineers: You'll work with QA testers to identify and fix bugs, ensuring software functionality and user experience are optimized; 

• DevOps Engineers: You'll collaborate with DevOps engineers to streamline the software development lifecycle, including deployment, automation, and infrastructure management. 

Key qualifications:

You should have:  

• 4+ years of experience as a Fullstack Developer, with expertise in Node.js and React. 

• Strong knowledge of TypeScript, ensuring robust and maintainable code. 

• Experience working with relational databases, particularly PostgreSQL. 

• Deep understanding of APIs and integrations, including RESTful APIs, authentication mechanisms (OAuth, JWT), and third-party service integrations. 

• Familiarity with cloud services, such as Azure, for hosting and managing applications. 

• Problem-solving mindset with the ability to work in a collaborative, cross-functional team environment. 

• Excellent English communication skills, both written and spoken. 

Nice to have: 

• Experience with CI/CD pipelines to streamline deployment processes. 

• Knowledge of frontend performance optimizations and best practices. 

• Understanding of microservices architecture and best practices for scalable applications. 
   

Why ISS

At ISS, we are more than just a service provider of cleaning, food, workplace and technical services, we are a partner in our customers’ success. By creating exceptional service moments and transforming workplaces into spaces where employees feel valued, engaged and productive, we enhance productivity and help our customers to attract talent and grow their businesses. This begins with our own people through training, career development, and a supportive culture – empowering them to deliver outstanding service. We know that when our people thrive, they create spaces where our customers’ employees and businesses thrive too.

ISS is a Place to Be You.

Be who you are. Become what you want. Be part of something bigger.

Become more. Become ISS.

How you’ll apply

Apply directly via the link on this page by submitting a cover letter, CV and other relevant documents for the position you are applying for.

We look forward to receiving your application as soon as possible. 

ISS seeks to BE a place of belonging and CREATE places where every person is welcomed, embraced, and valued for exactly who they are. Places where people feel safe, respected, represented, and supported as their authentic selves.

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