HomeKarieraStanowiskaSenior Java Developer
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We are looking for a Senior Java Developer with AWS experience to help in developing awesome air quality information services. You will be part of a talented team of software engineers, data analysts and AI scientists who work on improving the way of spreading awareness of air pollution. You will be joining a dynamically working environment where creative solutions are encouraged.


  • Build and maintain web-based customer facing applications, APIs and IoT-facing solutions.
  • Contribute in all phases of the development lifecycle: requirements, technical design, implementation, testing, deployment, debugging and monitoring.
  • Write documented, well-designed code that makes a scalable, efficient and highly available application.
  • Communicate with team members and non-technical staff about requirements and implementation.



  • Strong understanding of Java/Kotlin and Spring Framework,
  • Good understanding of web applications building blocks (HTTP, REST API, JWT, CDN, etc.),
  • Knowledge of SQL (PostgreSQL, MySQL) and NoSQL databases (DynamoDB, ElasticSearch)
  • Good understanding and ability to design and implement distributed systems
  • Experience with various communication protocols (APIs, Queues, Streams)
  • Working experience with Linux / Unix commands to perform basic operations,
  • Adequate knowledge of code versioning tools (Git, GitHub),
  • Good understanding of written and spoken English.


To your advantage, if you are experienced with:

  • Timeseries specialized databases (InfluxDB, Timescale)
  • Docker and Kubernetes
  • AWS or other cloud providers,
  • Other programming languages (Golang, Python, JavaScript),


What do we offer?

  • Participation in prestigious projects that have a significant impact on improving people’s lives all over the World😊
  • Working with cutting-edge tools and technologies
  • Joining a team of passionate, driven and talented people
  • Opportunity to professional growth and personal development in a fast-paced environment
  • Ability to implement own ideas and solutions with great freedom of actions
  • Flexible employment conditions (type of contract, flexible working hours, time off in lieu, etc.)
  • A choice to work 100% remotely or, if you prefer, from our office in Kraków
  • Informal organizational culture and friendly atmosphere
  • Private Medicover medical care for employee
  • Competitive salary, adequate to skills and experience
  • 24 days of paid time off per year for B2B contract to support your work-life balance

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