Sr. Backend Engineer (Kotlin) v Praha, Česko

https://jobeax.com/link/w2KYCCAPMhcCbCd6 is a cloud-based analytics platform that helps organizations make data-driven decisions. We are hiring for an engaging job in a dynamic, international environment.

We are looking for a Senior Backend Engineer - Kotlin to join our team. Working remote or hybrid is a possibility, and we also have the option to work onsite from our Brno or Prague offices.

About the team

The team builds a product-oriented Analytical Stack, collaborating closely with a dedicated Product Manager, Architect and QA, to solve real customer problems and deliver features that make a difference. We collaborate to design solutions incrementally and value ownership and responsibility. Our engineers take end-to-end ownership of their work, with the freedom to experiment, innovate, and contribute to shaping the product.

Our Tech Stack

• Our tech stack is built for scalability, efficiency, and flexibility in data processing

• Our backend is primarily developed in Kotlin and Python , with a focus on modular microservices handling various aspects of the data pipeline, including orchestration, integration, and processing.

• We deploy on Kubernetes , leveraging technologies like Apache Calcite, DuckDB, Pandas, and Polars for high-performance data processing

• We prioritize distributed architecture and scalability, crafting high-quality, test-driven code while influencing technical solutions, best practices, and API design —both internally and externally

What you'll be doing

• Building a fast, distributed query engine using Kotlin and Apache Calcite.

• Developing algorithms for parsing and transpiling into SQL from an internal query language (MAQL) based on semantic data models.

• Designing APIs, writing test-driven code, and shaping product direction with your team

• Collaborating with Product, QA, and Architects in a product-focused engineering team

What do we expect from you?

You have experience delivering a variety of backend features. You thrive in a dynamic, collaborative environment and enjoy taking initiative. You are proactive, open-minded, and enthusiastic about learning new technologies.

You should have

• A robust background in computer science,

• experience with object-oriented programming,

• interest in clean software architecture,

• a passion for solving complex algorithmic problems,

• good proficiency in spoken and written English,

• passion for your work, focus on technical excellence and quality of the delivered solutions,

• a strong sense of ownership, while being open to constructive feedback.

It is nice if you have

• Working knowledge of open source data technologies

• Experience with DB engines and Big data

• Knowledge of semantic data modelling

About https://jobeax.com/link/w2KYCCAPMhcCbCd6

At https://jobeax.com/link/w2KYCCAPMhcCbCd6, we’re building the future of agentic AI for data intelligence.

Our full-stack data intelligence platform empowers companies to turn raw data into real business impact — from agentic AI apps to embedded analytics that scale securely and seamlessly. With https://jobeax.com/link/w2KYCCAPMhcCbCd6, organizations don’t just analyze data, they monetize it.

But what really sets https://jobeax.com/link/w2KYCCAPMhcCbCd6 apart is our mission: to put intelligence wherever decisions are made. That’s why we’ve built a platform that’s AI-native, composable, and built for the way modern enterprises work.

 

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