Sr. Backend Engineer (Kotlin)

GoodData; United States; Hybrid; USD 140,000 - 180,000; Full time

Job summary

GoodData.AI is seeking a Senior Backend Engineer - Kotlin to join a distributed analytics platform. You will develop a fast, scalable query engine, parse MAQL into SQL, and design APIs within a product-focused team.

The role supports remote or hybrid work, with onsite options in the Brno/Prague region. Strong backend skills and English proficiency are essential for collaborating with a global team.

Qualifications

• Strong CS background and OO programming
• Experience delivering backend features in a dynamic environment
• Interest in clean software architecture and solving complex algorithms
• Excellent written and spoken English
• Proactive, ownership-minded and collaborative

Responsibilities

• Build a fast, distributed query engine using Kotlin and Apache Calcite
• Develop algorithms to parse and transpile MAQL into SQL based on semantic data models
• Design APIs, write test-driven code, shape product direction with your team
• Collaborate with Product, QA and Architects in a product-focused team

Skills

Kotlin

API design

Backend development

English communication

Tools

Kubernetes

Apache Calcite

DuckDB

Pandas

Polars

Python

Job description

GoodData.AI 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 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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