Sr. Backend Engineer (Kotlin, Calcite)

We’re GoodData, a cloud analytics company helping businesses turn data into decisions. Our backend team is looking for a Senior Engineer who’s into clean code, smart architecture, and data processing at scale.

What you'll be doing

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

  • Developing an internal query language (MAQL) - parsing and transpiling into SQL

  • Developing and maintaining distributed microservices

• Solving complex data challenges (data fetching, data processing, data transfer, etc.) with modern tools like Arrow, DuckDB, Pandas, and Polars

• 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

Our Stack

Kotlin (mainly), Python, Calcite, Arrow, DuckDB, Polars, SQL, Docker, Kubernetes, Linux, Git

We’d love if you

• Have strong coding and problem-solving skills

• Know your way around SQL, distributed systems, and relational models

• Have experience with Kotlin or Java

• Are curious, independent, and care about clean, testable design

Nice extras

Apache Calcite/Arrow, Python, Kubernetes, gRPC, protocol buffers, frontend interest (TS/JS), BI/Big Data experience

Work from Brno, Prague, or hybrid – flexible setup, great team, real impact.

About GoodData.AI

At GoodData.AI, 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 GoodData.AI, organizations don’t just analyze data, they monetize it.

But what really sets GoodData.AI 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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