Sii Poland

Senior Java Developer- banking industry (f/m/x)

HybridEuropeSenior

AI API Data Modeling Distributed Systems Event Driven Architecture +3 skills

Join a long-term technology initiative within the financial sector focused on building advanced systems that support liquidity forecasting, financial resource optimization, cash management, and strategic…

Senior Java Developer (f/m/x)

HybridEuropeSenior

AI Automation CI/CD Cloud Cloud Native +5 skills

Join an international technology team delivering solutions for a leading financial institution operating in the capital markets sector. In this role, you will contribute to the development of a large-scale platform…

Senior Java Backend Engineer — Cloud & AI Tools (Hybrid)

EuropeSenior

Sii Poland is hiring for a senior Java backend role in Warsaw, building a large-scale platform for a leading financial institution in the capital markets. You will work in a distributed team to modernize critical…

AI Automation Cloud Java

Senior React Frontend Developer - Hybrid (London/Warsaw)

HybridEuropeSenior

Sii Poland is seeking an experienced Frontend Developer to modernize the pricing UI for a complex notes-based application, collaborating with both frontend and backend teams in an international split between London and…

Data Platform Engineer – fintech sector (f/m/x)

Open 16d Europe

Airflow Athena AWS BigQuery CI/CD +20 skills

Data Platform Engineer at Sii Poland, working with a leading European fintech scale-up: building and maintaining a cloud data platform across AWS and GCP (BigQuery, data lakes, Airflow, dbt, Terraform, CI/CD), with focus on security, observability, automation, and cost efficiency for data teams.

Senior Data Platform Engineer — Fintech (AWS/GCP, MLOps)

Open 16d EuropeSenior

AI AWS Cloud GCP Machine Learning +1 skills

Sii Poland is hiring a Senior Data Platform Engineer to build and maintain a cloud-based data platform across AWS and GCP for a fintech project — designing data lakes, warehouses, and orchestration components while improving observability and supporting ML/AI workflows.

Cloud Data Engineer: Azure Databricks & Data Lake

Open 16d Europe

Analytics Azure Azure Data Factory Data Lake Databricks +2 skills

Sii Poland is hiring an experienced data engineer to design and build scalable data processing platforms using Data Lake / Data Platform architectures. Day to day, you create ETL/ELT pipelines in Azure Databricks, model data, and work with Azure Data Factory, Synapse, and Fabric while supporting, mentoring, and documenting for analytics teams.

Senior Data Engineer - Pharma Data Platform on AWS

Sii Poland is seeking an experienced Senior Data Engineer to design, develop, and maintain scalable data solutions for a pharmaceutical project. You will contribute to a modern data platform used across markets,…

Agile AWS Data Pipelines

GCP Data Engineer: BigQuery, Airflow & CI/CD

Open 18d Europe

Airflow Analytics BigQuery CI/CD Cloud +5 skills

Sii Poland is looking for a Data Engineer to grow in cloud technologies and work with real data within our Data & Analytics team. You will design, build, and maintain scalable data pipelines on Google Cloud…

Senior Data Engineer: Microsoft Fabric on Azure

Analytics Azure Data Engineering Microsoft Fabric PySpark +2 skills

Sii Poland is seeking an experienced Data Engineer to join our Data & Analytics Competence Center, focusing on Microsoft Fabric-based projects. You will design and implement enterprise data platforms, integrate…

Senior Java Backend Architect - Kafka & Microservices

Event Driven Architecture Java Kafka Microservices Spring

Sii Poland is seeking an experienced Senior Java Developer to join a team building a modern enterprise data integration and processing platform supporting global logistics. You will design and implement scalable…

Senior .NET Engineer: Cloud Data Platform Architect

Sii Poland is seeking a Senior .NET Developer to join a global team, contributing to the cloud transformation of a data-intensive analytical platform. You will design scalable architectures, modernize legacy…

Senior ETL Engineer - Cloud Data Platform (AWS)

Analytics AWS Cloud Data Pipelines ETL

Sii Poland is seeking a Senior ETL Developer to lead cloud transformation of a data-intensive analytics platform. You will design scalable architectures, modernize legacy components, and optimize ETL in AWS to deliver…

AI Salesforce Engineer: Automate Processes & Data Cloud

Open 18d Europe

Agentic AI AI Apex CI/CD CRM +4 skills

Sii Poland is seeking a Salesforce Developer with AI experience to join a client project delivering CRM with AI agents, integrations, and data handling. You will work on Salesforce with Apex, LWC, Flow, and build AI…

AI Salesforce Engineer: Automate & Integrate Data Cloud

Open 18d Europe

AI Apex API Cloud CRM +2 skills

Sii Poland is seeking an experienced Salesforce AI integration specialist to join a client project focused on CRM development with AI solutions. You will work with Apex, LWC, Flow, and integrations, shaping data…

Senior Data Migration Engineer: SQL Server to Snowflake

AI ELT Snowflake SQL SQL Server +1 skills

Sii Poland is seeking a Senior Data Migration Engineer to join our delivery team focused on SQL Server to Snowflake migrations for a global client operating in the tobacco industry. You will contribute to the…

Senior Data Migration Engineer: SQL Server to Snowflake AI

AI ELT pandas pytest Python +4 skills

Sii Poland is seeking a Senior Data Migration Engineer to join our delivery team focused on SQL Server to Snowflake migrations for a global client in the tobacco industry. You will design and optimize Matillion ELT…

Senior Data Engineer - financial industry (f/m/x)

AI Azure Azure Data Factory Data Engineering Databricks +6 skills

We are looking for a Senior Big Data Developer to join our team in building a modern data platform using Databricks and the Microsoft Azure ecosystem. In this role, you will be responsible for designing and developing…

Senior Data Engineer – pharmaceutical sector (f/m/x)

Agile Analytics Athena AWS Cloud +8 skills

We are looking for an experienced Senior Data Engineer to join a project within the pharmaceutical industry. In this role, you will be responsible for designing, developing, and maintaining scalable data solutions that…