About the project

• We're looking for an experienced Senior Backend Engineer who thrives in collaborative, cross-functional teams and is passionate about delivering high-quality, well-tested software. In this role, you'll play a key part in building and improving RESTful services and backend systems using Kotlin, while working in an agile, feedback-driven environment.
• If you're someone who takes initiative, cares deeply about clean code, CI/CD, and enjoys working iteratively with modern tools like Docker, MongoDB, and Terraform — this is the role for you!

Your responsibilities

• Improving and developing: Web clients (including native apps) and RESTful web services
• Team collaboration: Working in a cross-functional Scrum team
• High-quality output: Producing tested, high-quality code
• Feedback culture: Giving and receiving valuable feedback in code reviews
• Continuous growth: Learning and sharing knowledge with peers
• Accountability: Openness to feedback and ownership of work – essential
• Proactive ownership: Taking charge of topics you care about (features, quality, work environment)
• Iterative workflow: Working iteratively, frequent code pushes
• Pipeline focus: Ensuring a good CI/CD pipeline
• Automation: Automating wherever possible

Our requirements

• Backend experience: 6+ years as a Backend Engineer
• Kotlin expertise: Experience with Kotlin (Kotlin is a MUST)
• Problem-solving aptitude: Strong problem-solving skills
• Collaborative spirit: Ability to work collaboratively in fast-paced, dynamic environments
• Passion for impact: Passion for building and making a difference
• Technical toolkit: Experience with MongoDB, Terraform, Docker
• Architectural understanding: Understanding of REST and Microservices
• TDD enthusiasm: Passion for Test-Driven Development
• Agile background (preferred): Prior experience in an agile environment
• Quality advocate: Valuing quality, clean code, and continuous learning

Technologies we use

What we offer

• Attractive remuneration up to 160 PLN/h net (B2B)

• Stable project environment

• Opportunity to work on large-scale projects with real social impact

• Modern tools and development-focused initiatives