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Location
In office
Seniority
Middle · 3+ years exp
Overview
Company
Impact
Profile match
Link Group is a Poland-based IT services and consulting company that builds tech teams, provides managed services, and delivers software and cloud solutions. It is headquartered in Warsaw and was founded in 2016.

SQL Developer

At Link Group, we build tech teams for Fortune 500 companies and the world’s most innovative startups. Our mission is to connect skilled professionals with opportunities that match their expertise, interests, and career aspirations.

About the Project

The project focuses on data processing and optimization within the finance/stock exchange industry. You will be responsible for developing, managing, and optimizing SQL databases and ETL processes to support business-critical applications.

Tech Stack

  • Databases: SQL Server, PostgreSQL, MySQL, Oracle
  • ETL Tools: SSIS, Talend, Apache Airflow
  • Cloud Platforms: AWS, GCP, Azure
  • Scripting: Python, Shell, PowerShell

Responsibilities

  • Develop and optimize SQL queries, stored procedures, and database functions
  • Design and maintain data models, schemas, and indexing strategies
  • Implement and manage ETL pipelines for data extraction, transformation, and loading
  • Ensure database performance, integrity, and security
  • Work closely with BI, analytics, and data engineering teams to support business needs

Must-Have Qualifications

  • At least 3+ years of experience as an SQL Developer
  • Strong SQL programming and database management skills
  • Experience with ETL processes and data modeling
  • Knowledge of performance tuning, indexing, and query optimization
  • Good command of English

Nice to Have

  • Experience with cloud-based databases (AWS RDS, Google BigQuery, Snowflake)
  • Familiarity with NoSQL databases
  • Scripting experience in Python, Shell, or PowerShell

What We Offer

  • Tailored opportunities to match your professional interests and goals
  • A dynamic and collaborative work environment
  • Access to diverse and innovative projects for global clients
  • Competitive compensation aligned with your expertise
  • Continuous learning and career growth opportunities

If you're passionate about optimizing data and building efficient database solutions, we’d love to hear from you!

Apply today and join us at Link Group!

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