Open apply - Senior Full Stack Software Engineer (Node.js + React)

We are looking for a Backend Developer with strong experience in Node.js (Express or Nest.js) to join our team. In this role, you will work on distributed applications, leveraging AWS services and Kafka for messaging. You will write scalable, high-performance code, ensure robust unit testing, and contribute to architecture and design improvements. Familiarity with React and UI extensions is a plus. The ideal candidate thrives in an Agile environment, proactively resolves issues, and communicates effectively in English with international teams.

• Showing 4+ years of experience in Node.js with Express or Nest.js
• Familiar with React
• Versed in AWS services
• Confident in unit testing
• Experienced in distributed applications implementation with message broker (primarily Kafka)
• Skilled in writing scalable, highly performant, instrumented, and clean code
• Keen on requirements interpretation, architectures, and designs refining
• Good at extending UIs using existing templates and designs
• Anticipating and remediating issues before reaching out to customers
• Knowledgeable of design patterns and their applications
• Accustomed to working in Agile development environments
• Capable of maintaining daily English communication with client-side software engineers
• Familiar with RabbitMQ (would be a plus)

Maandag® Poland (previously Whoohoo Poland) is based in Wroclaw and we mainly focus on providing IT talents and building IT nearshoring teams in Poland for companies all over the world. Our English/German speaking IT developers support our clients remotely in the scope of backend, frontend, testing and mobile. We are part of the Dutch company Maandag®, with 4,000 employees and a network of 48 offices located in the Netherlands, Poland, Belgium and Sweden. Our Clients’ portfolio is rich in prestigious companies in fields of fintech, e-commerce, automotive, finance, engineering. Our mission is to change the IT job market by looking at people through their skills and personalities. Thanks to professionalism and an innovative approach, we change the labor market by matching the right candidate for the right position. Wroclaw is also home to our internal software house, which helps enterprises with digital transformations and start-ups with translating ideas into products.