Senior ETL Developer (f/m/x)

Sii Poland

Warszawa

On-site

PLN 180,000 - 270,000

Full time

14 days+

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Benefits offered by this job

Great Place to Work

Medical care

Centre of internal trainings

Many experts you can learn from

Profit sharing

Job summary

Sii Poland is seeking a Senior ETL Developer to drive cloud transformation of a data-intensive analytics platform. You will design scalable architectures, modernize legacy components, and optimize ETL in the cloud, collaborating with engineers and analysts to deliver robust solutions.

The role emphasizes performance, reliability, and cost-efficiency in AWS, with hands-on work on Glue and Lambda and a strong focus on SQL data modeling and procedures.

Qualifications

Minimum 5 years of ETL development experience.
Strong SQL Server expertise with advanced query design.
Hands-on SSIS for ETL pipelines design and optimization.
Experience building ETL in AWS using Glue and Lambda.
Ability to optimize stored procedures and monitor data flows.

Responsibilities

Contribute to cloud transformation by designing scalable architectures and modernizing legacy components.
Lead technological evolution by implementing modern frameworks and architectures.
Develop and integrate statistical methods and ML models to expand analytics.
Collaborate with software engineers and analysts to meet business needs.
Ensure adherence to team design and coding standards.

Skills

ETL development

Microsoft SQL Server

SSIS

AWS Glue

AWS Lambda

SQL coding standards

Advanced English

Tools

SSIS

AWS Glue

AWS Lambda

Job description

We are looking for a Senior ETL Developer to join our team working on the cloud transformation of a data-intensive analytical platform. In this role, you will design scalable architectures, modernize legacy components, and ensure performance, reliability, and cost-efficiency in the cloud environment. You will collaborate closely with a team of software engineers, analysts, and quality engineers to deliver high-quality software solutions that meet business needs. If you are passionate about leveraging AWS technologies and optimizing ETL processes, this opportunity may be the right fit for you.

Your tasks

Contributing to the cloud transformation of a data-intensive analytical platform by designing scalable architectures and modernizing legacy components
Leading continuous technological evolution by proposing and implementing modern frameworks and architectural improvements
Expanding analytical and predictive capabilities by developing and integrating advanced statistical methods and machine learning models
Working closely with a team of software engineers and analysts to design and build software solutions that meet business needs
Ensuring adherence to team design and coding procedures and standards

Requirements

Minimum 5 years of experience in ETL development
Strong expertise in Microsoft SQL Server, including advanced query design and relational data modeling
Hands-on experience with SSIS for ETL pipeline design and optimization
Practical experience building ETL processes in AWS, including AWS Glue and AWS Lambda functions
Proven ability to optimize stored procedures and debug data flows across dependent components
Ability to enforce best practices in SQL coding standards and operational monitoring
Advanced level of English

Nice to have

Practical experience in the Healthcare IT domain
Experience in developing highly available architectures in the cloud
Strong knowledge of Microsoft Windows operating systems and development tools
Knowledge of statistical modeling methods
Hands-on experience with Python

Job no. JOB-MP8YV

Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws.

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