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Senior Full Stack Developer
Build and maintain scalable fintech products using .NET Core backend, React/Angular frontend, and Flutter mobile apps in a microservices architecture on AWS.
Senior Software Engineer
Build and lead digital auction platforms and mobile apps using full-stack development, AWS services, and clean architecture to power Bahrain’s asset sales ecosystem.
Senior Full-Stack Engineer: FinTech, React/.NET, AWS
Senior Full-Stack Engineer building scalable microservices and cross-platform apps for a fintech agency using React, .NET, and AWS.
Senior Python Engineer, Geospatial Data Platform (Fully Remote)
Build and operate geospatial analytics backend services in Python, integrating Neo4j and Databricks to process maritime data and deliver production-grade APIs and microservices.
Data and Financial Engineering Analyst @ Mindbox Sp. z o.o.
Build and maintain automated financial-data pipelines in Python/SQL, migrating legacy SQL Server logic to a scalable stack while ensuring production-grade, policy-compliant outputs.
Junior Machine Learning Engineer (Data Platform)
Build and maintain Allegro’s ML/AI platform, including MLOps pipelines, agentic workflows, and model-serving microservices using Python, PyTorch, Kubernetes, and GCP.
Data and Financial Engineering Analyst
Builds automated financial controls and ETL pipelines in Python/SQL for a large bank, migrating legacy SQL Server logic to a modern stack while ensuring policy compliance and data quality.
Senior Big Data Engineer — Spark, Java/Scala, Hybrid
Senior Big Data Engineer builds Spark pipelines and data processing components in Java/Scala for client projects, working in a hybrid setup with CI/CD and TDD practices.
GCP Data Engineer with Java (f/m/x) @ Sii Polska
Builds and maintains cloud-based data pipelines and microservices in Java/Spring Boot on GCP to process real-time and batch data for a risk platform.
Big Data Engineer - Innovation / Project / Organization - Warsaw, Poland
Build and maintain a large-scale data platform for structured finance using Spark/Scala, SQL, and DevOps tools to process and industrialize big datasets for CIB’s GLBA business line.
Senior Data Engineer @ DCG sp. z o.o.
Build and scale modern data pipelines and warehouses using Snowflake, dbt, and Airflow to turn business needs into reliable, enterprise-grade data solutions.
Senior Data Engineer: Scale Big Data & ML in Hybrid
Senior Data Engineer builds and scales a hybrid data ingestion platform using Spark, Kafka, and Google Cloud tools to support Allegro’s ecommerce operations.
Senior Data Engineer (Scala) — Hybrid & Flexible Hours
Senior Data Engineer builds and maintains scalable data pipelines for Allegro’s ecommerce platform using Spark, Kafka, and Beam on hybrid cloud (GCP Dataflow, BigQuery).
Big Data Engineer (Spark/Scala) - Hybrid, Warsaw
Builds and maintains Spark/Scala pipelines for a new financing datahub, designs data processes, and ensures quality while collaborating with teams in Paris.
Azure Databricks Data Engineer(Cracow/Wroclaw)
Designs and builds scalable HR data pipelines and warehouses using Azure Databricks, ADF, and Spark, automating employee lifecycle analytics with Python/Scala and SQL.
Expert Data Engineer in Rating & Limit Management
Build and own scalable data pipelines and warehouses in Snowflake/dbt/Airflow to power real-time credit-limit checks and risk reporting for a large bank.
Expert Data Engineer in Rating & Limit Management
Builds and owns scalable data pipelines and warehouses for real-time limit checks and credit risk monitoring using Snowflake, dbt, and Airflow in a large Nordic bank.
Senior Data Engineer - Rating & Limit Management
Senior Data Engineer builds and maintains data pipelines and models for corporate credit limit management in a bank, using Snowflake, dbt, and Airflow.
Data Engineer – Azure Databricks
Build and optimize scalable HR data pipelines on Azure Databricks using Spark, SQL, and DevOps practices to power analytics and employee-facing products.
Senior Data Engineer (Scala)
Build and scale a high-throughput data pipeline for Allegro’s 5B daily clickstream events using Scala, Spark, Kafka, and GCP services like Dataflow and BigQuery.