🚀 Senior Backend Developer (Kotlin / Spring Boot) 🚀

CZK 90–130K
Brno
Full-time
Updated at 26. 03. 2026

💻 Role
As a Senior Developer, you will be a key architect of our API development. You will bridge complex business requirements with high-performance technical execution. You will take responsibility for the lifecycle of the features - from initial REST contract design and third-party API integration to optimizing the final SQL execution plan.

🚀 What you should know 💯

API Architecture and Design: Design, implement, and document robust RESTful endpoints.Design, implement, and document robust RESTful endpoints.
Domain Logic: Translate complex business requirements into clean, testable, and maintainable Kotlin code in Spring Boot.
Data: Leverage jOOQ to create type-safe SQL queries, analyze execution plans, and consistently optimize database performance.
Cloud and CI/CD: Automate deployments via GitHub and maintain our cloud infrastructure within AWS.
SW Engineering: Leverage AI tools for developers to increase coding speed while maintaining strict personal standards for code quality and system architecture.
Ad Hoc: You spend most of your time in Kotlin and Spring Boot, but occasionally touch Node.js Lambda or modify a Python script to ensure our internal tools run smoothly.

💥 What We’re Looking For🚀

Technical stack: Strong production-level knowledge of Kotlin, Spring Boot, and the Gradle ecosystem. (Note: Java experts eager to fully transition to Kotlin are strongly encouraged to apply). You have a proactive approach to secondary languages and scripting (JavaScript/TypeScript, Python, Bash).
Data: Fluency in SQL, understanding of relational databases, and experience with jOOQ (or a strong desire to improve).
Cloud: Orientation to AWS services and principles of modern CI/CD (we use GitHub).

💻 Our toolkit:
Backend: Kotlin, Spring Boot, GradlePersistence: PostgreSQL, jOOQ

Infrastructure: AWS (S3, SQS, DynamoDB, Lambda)Workflow: Git, GitHub actions, Jira, AI developer tools

🔎 About the project and team ✌
Join a dedicated development team that manages a robust and high-performance REST API. We are not a chaotic factory of "build and drop" functions - we pride ourselves on long-term sustainability, clean architecture and strategic development of our code line to meet modern requirements.

💚 Who is Dotykačka? 💚
At Dotykačka (part of the Seyfor group), we develop a leading cloud-based point-of-sale (POS) system, trusted by tens of thousands of companies in the Czech Republic, Slovakia and Poland. Our platform acts as the central brain for the daily operations of our customers, from gastronomy and retail to accommodation and services. We handle everything from high-volume transactions and inventory management to reservations and data analytics. We build a robust and highly available ecosystem that simplifies and streamlines the daily operations of a company.

💰 Benefits 🔆
Modern development: We work with modern tools that help developers streamline development.
Stability: Work on a proven, highly successful product with real-world impact - our API serves hundreds of third-party integrators, so the code you write really matters.
Benefits: Multisport card, Bonuses, Extra vacation, Home office, Career growth, Flexible working hours, Sick days, Great team of professionals, Stable company, Meal voucher package, Teambuilding, Affordable mobile plan, Work life balance.