Python Developer (Databricks, ETL, SQL, Apache Spark, Pandas, NumPy)

Náplň práce, právomoci a zodpovednosti:

Join the newly formed Risk Accumulation Management Platform (RAMP) team. We are seeking a Senior Python & Databricks Developer with strong hands-on skills, an independent mindset and a focus on high-quality delivery.

This role covers data pipelines, APIs, calculations and integrations supporting risk accumulation, catastrophe modelling and exposure management use cases.

This position is planned as an initial one-year assignment.

Responsibilities

-Design, build and deploy Python-based data products, services and applications.
-Develop robust ETL pipelines in Databricks for risk, exposure and modelling data.
-Translate complex business rules and calculation logic into clear, maintainable and tested code.
-Build APIs and integration services for real-time, near-real-time and batch data use cases.
-Design and optimise data models, Delta tables and Lakehouse workflows.
-Improve pipeline and service performance, scalability, reliability and cost efficiency.
-Implement data validation, monitoring, logging, alerting and automated testing.
-Troubleshoot complex data and production issues, identify root causes and deliver sustainable fixes.
-Apply software engineering practices, including Git, CI/CD, code reviews and technical documentation.
-Work closely with data engineers, architects, technology teams and business stakeholders.
-Share knowledge and build reusable components to reduce dependencies on key individuals.

Zamestnanecké výhody, benefity:

Working time benefits 

Personal days off, Concentrated work week, Additional vacation, Home office, Extra days off at occasion of childbirth, Sabbatical leave, Workcation 

Monetary benefits 

Life insurance, Compensation for salary loss during sick leave, 3rd pension pillar contribution, Risk Life Insurance, Meal contribution on top of the legally required minimum, Years of service bonus, Wedding bonus, Baby bonus 

Other benefits 

Edenred electronic cafeteria, Public Transport contribution, Maternity leave benefits, Massages in the office

Informácie o výberovom konaní:
In case of interest, please send your CV to: martin.lukac@sourcefirstinternational.com .
We have many open positions for IT specialists, not only in Slovakia and Czech Republic, but also on other foreign projects.

Požiadavky na zamestnanca:

Requirements

-Strong professional experience developing production-grade Python solutions.
-Strong hands-on experience with Databricks.
-Experience building ETL/ELT pipelines, data applications or data products.
-Strong SQL skills and experience working with structured data.
-Experience with Apache Spark, Delta Lake and Lakehouse architecture.
-Ability to independently analyse complex or unclear requirements and shape practical solutions.
-Strong understanding of software development best practices, including Git, CI/CD, automated testing and DevOps.
-Experience improving performance, reliability and maintainability of data solutions.
-Strong problem-solving skills, an ownership mindset and sound technical judgement.

Nice to Have Skills

-Experience designing and building RESTful APIs.
-Experience with Pandas, NumPy and geospatial libraries such as GeoPandas, Shapely or H3.
-Experience with Azure services, including Azure Storage, Azure Functions and Azure API Management.
-Knowledge of Databricks Workflows, MLflow, Model Serving or Feature Serving.
-Experience in catastrophe modelling, exposure management, insurance or financial services.
-Familiarity with data-quality frameworks, observability and production support.