Developer - Azure Data Transformation

BELVEDERE; Kraków; On-site; PLN 279,000 - 446,000; Part time

Job summary

BELVEDERE in Poland is seeking a Developer to lead Azure Data Transformation on a 6-month on-site contract based in Gdynia and Kraków. You will assess current applications, define transformation strategies, and collaborate with architects to migrate data platforms using Azure Fabric and PySpark.

The role requires 8–10 years of software development, strong Python, PySpark, and DevOps in Azure, plus AKS and Azure SQL or PostgreSQL experience.

Qualifications

• 8-10 years of software development experience.
• Strong Python programming skills.
• Proven PySpark experience.
• DevOps experience in Azure environments.
• Knowledge of AKS.
• Experience with Azure SQL or PostgreSQL.
• Understanding of OneLake Delta DB.
• Familiarity with DBOR data flows and schemas.
• Experience working with SDM (strategic data models).
• Ability to collaborate with architects and development teams.
• Strong analytical skills to assess application complexity.

Responsibilities

• Assess current applications and collaborate with architects on transformation strategy.
• Determine application complexity and estimate effort.
• Design technical solutions based on requirements and target architecture.
• Plan and prioritise development backlogs for transformation activities.
• Guide development teams through application transition phases.
• Support customer UAT activities and testing processes.
• Work with DBOR data flows and processing schemas.
• Implement solutions using Azure/Fabric and PySpark services.

Skills

8-10 years experience

Python

PySpark

DevOps (Azure)

AKS

Azure SQL / PostgreSQL

OneLake Delta DB

DBOR data flows

SDM

Architect collaboration

Analytics

Job description

Developer - Azure Data Transformation (Contract)

Location: Gdynia/Krakow
Contract Type: 6 Months

Job Type: On-site

• Lead application transformation strategy on Azure/Fabric platform
• Work with 8-10 years' experience in PySpark and DevOps
• Collaborate with architects on strategic data model design
• Support data migration from planning through to UAT
• Contract opportunity based in Gdynia

Company Overview

Our client is an established technology organisation delivering complex data transformation projects across the financial services and technology sectors. They specialise in cloud-based solutions, working with Azure and Fabric platforms to modernise legacy applications and implement strategic data models. The company values technical excellence and collaborative working, providing opportunities to work alongside experienced architects and development teams on large-scale transformation initiatives.

They are seeking an experienced Developer to join their team in Gdynia on a contract basis. This role offers the opportunity to work on significant application transformation projects, collaborating with architects and development teams to migrate and modernise data platforms using Azure technologies.

Position Overview

As a Developer, you'll play a central role in assessing current applications and determining transformation strategies. Working closely with application architects, you'll evaluate application complexity, plan development backlogs, and guide development teams through the transition from planning to transformation. Your work will directly impact the successful migration of data platforms, supporting customer UAT activities and ensuring smooth delivery of strategic data model implementations.

Responsibilities

• Assess current applications and collaborate with architects on transformation strategy
• Determine application complexity and estimate effort required
• Design technical solutions based on requirements and target architecture
• Plan and prioritise development backlogs for transformation activities
• Guide development teams through application transition phases
• Support customer UAT activities and testing processes
• Work with DBOR data flows and processing schemas
• Implement solutions using Azure/Fabric and PySpark services

Requirements

• 8-10 years' experience in software development
• Strong Python programming skills
• Proven experience with PySpark services
• DevOps experience within Azure environments
• Knowledge of AKS (Azure Kubernetes Service)
• Experience with Azure SQL or PostgreSQL databases
• Understanding of OneLake Delta DB
• Familiarity with DBOR data flows and processing schemas
• Experience working with strategic data models (SDM)
• Ability to collaborate effectively with architects and development teams
• Strong analytical skills for assessing application complexity

Desirable skills include experience with CosmosDB, NoSQL variants, Postgres variants, and Data Flow Gen 2.

Benefits

This contract position offers the opportunity to work on challenging data transformation projects within a collaborative technical environment. You'll work alongside experienced architects and development teams, gaining exposure to modern Azure technologies and strategic data model implementations. The role provides variety through different phases of the transformation lifecycle, from initial assessment through to UAT support.