Senior Data Engineer
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on banking systems and involves building and optimizing data workflows. Required technologies include SQL Server, T‑SQL/PL‑SQL, data modeling, proven experience in ETL/data pipelines and working with Kafka and APIs. Responsibilities cover designing and building ETL, system integration, ensuring data quality and availability, monitoring and optimizing pipeline performance, and collaborating with engineering and business teams. Rate up to 145 PLN/h (B2B). Offered benefits include private medical care, life insurance and a Multisport card.

from: 22 September 2026
to: 22 October 2026
145 - 145net (+ VAT)/ hr.B2B contract (full-time)
Offer parameters
level:senior
working mode:hybrid
location:Warszawa, Masovian
Warszawa, Masovian

Requirements

Expected technologies

Microsoft SQL Server
SQL
PL/SQL
T-SQL
Kafka

Optional technologies

Snowflake
AWS S3

Operating system

Windows

Our requirements

  • Strong experience with data storages, with a mandatory focus on SQL Server.
  • Proficiency in database programming using SQL, PL/SQL, or T-SQL.
  • Solid experience in data modeling.
  • Hands-on experience with Kafka and APIs.
  • Proven track record of building ETL/Data Pipelines and a deep understanding of various data technologies.
  • Strong overall understanding of Data and the broader Data Landscape.
  • Fluent English (B2/C1 minimum) allowing for seamless communication in an international environment.

Optional

  • Experience with Snowflake and AWS S3 storage.
  • Knowledge of DB2.

Your responsibilities

  • Designing and building ETL processes and data pipelines for integrating data across various systems.
  • Enabling reliable and secure data sharing between applications.
  • Ensuring data quality, consistency, and high availability.
  • Monitoring, troubleshooting, and optimizing pipeline performance.
  • Collaborating closely with engineering and business teams to gather and fulfill data requirements.

About the project

We are currently looking for a Senior Data Engineer to join our client, a dynamically growing company in the banking industry. In this role, you will be responsible for building and optimizing data pipelines, integrating systems, and ensuring top-tier data quality and availability.
Key details:
Rate: Up to 145 PLN / hour (B2B)
Work model: Hybrid (3 days a week in the office)
Location: Warsaw, Gdynia, or Gdańsk
Contract: B2B agreement signed directly with Optiveum

This is how we organize our work

This is how we work

you focus on a single project at a timeyou have influence on the productyou focus on product developmentagile
Company

What we offer

  • B2B agreement signed directly with Optiveum (we are your contracting and recruitment partner).
  • Transparent working conditions and dedicated support from our team throughout the duration of the project.
  • Opportunity to work in an international, highly collaborative environment.
  • Access to benefits including private medical care, life insurance, and a Multisport card.
  • Regular teambuilding events.

Benefits

  • remote work opportunities
  • integration events

OPTIVEUM SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

Optiveum is acting as a sourcing partner for this role. You will be signing a cooperation agreement directly with our partner—a renowned IT contracting company with nearly 20 years of presence on the market.
The end client operates in the international public, defense, or government administration sector, leading large-scale, multi-million euro digital transformation projects.

This is how we work

Senior Data Engineer
145–145 zł / hr. (B2B)
I apply to:
OPTIVEUM SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ
Warszawa, Masovian
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