Senior Software Developer with Kotlin

Technologies we use

Expected

• Kotlin
• Java
• Kubernetes
• Kafka
• Cassandra
• SQL

Optional

• AWS
• Kubernetes
• Vite
• webpack

Operating system

• Linux

About the project

Cloud Product is a large scale cloud based product designed for enterprise customers.

You will work on backend capabilities and product improvements in close collaboration with cross functional stakeholders.

This is how we organize our work

Team size

1-10

This is how we work

• you focus on a single project at a time
• you focus on product development
• agile

Team members

• backend developer
• frontend developer
• automated test programmer
• manual tester
• product owner
• project manager
• graphic designer
• UX designer

Your responsibilities

• Develop and maintain backend services using Kotlin, Java, and related technologies
• Write clean, maintainable, and testable code
• Create unit tests and participate in integration testing when needed
• Participate in performance testing when needed
• Take part in code reviews
• Contribute to solving complex technical problems with attention to performance, security, and user experience
• Collaborate with cross functional teams to design, implement, and support product features

Our requirements

• 4+ years of experience in backend development of commercial web applications using Java and or Kotlin
• Recent experience with Kotlin
• Strong understanding of core computer science concepts including data structures, algorithms, and complexity
• Experience designing and working with APIs
• Experience building or supporting distributed and scalable systems
• Hands on experience with Kubernetes, Kafka, Cassandra, or similar tools
• Good understanding of concurrency and multithreading in Java
• Upper Intermediate English or higher
• Ability to work independently in a distributed team
• Ability to communicate effectively in a multicultural environment

Optional

• Experience with performance optimization
• Experience contributing to technical design and specifications

What we offer

• Work on backend capabilities and product improvements in close collaboration with cross functional stakeholders
• Work in a cross functional product team that includes product managers, designers, developers, QA engineers, and other stakeholders
• Work in a distributed and multicultural environment

This is how we work on a project

• code review
• integration tests
• performance tests
• unit tests

Development opportunities we offer

• substantive support from technological leaders
• technical knowledge exchange within the company
• time for development of your ideas

Benefits

• sharing the costs of sports activities
• private medical care
• sharing the costs of foreign language classes
• sharing the costs of professional training & courses
• life insurance
• remote work opportunities
• flexible working time
• corporate products and services at discounted prices
• integration events
• employee referral program
• extra leave

DataArt Poland sp. z o.o.

The client is a SaaS company that provides project and portfolio management solutions, primarily for teams using Atlassian tools like Jira.

Its platform helps organizations plan, track, and optimize work through capabilities such as time tracking, resource management, roadmapping, and strategic portfolio planning.

Trusted by tens of thousands of companies globally, the client focuses on improving team productivity, alignment, and delivery performance through integrated, data-driven workflows.