SQL Developer

Link Group · Python · SQL · PowerShell · ETL/ELT · Talend · SSIS · 1 month ago

Smart Apply

Similar jobs

2,055,410open jobs

121,596companies

242,326added this week

Browse all

Salary

$44k – $55k per year

Location

In office (Poland)

Seniority

Middle · 3+ years exp

Employment

Contractor

First seen by Alion on Sep 16, 2026.

Overview

Company

Impact

Profile match

Link Group

Headquartered in Warsaw, Poland, Link Group is a technology consulting and IT outsourcing enterprise specializing in custom software development, managed services, and technical talent augmentation. The company builds dedicated engineering teams and provides specialized expertise across high-demand domains - including DevOps, cloud infrastructure, cybersecurity, UX/UI design, and data architecture - for leading corporations and startups worldwide. By combining a vast network of pre-vetted IT professionals with flexible engagement models, it enables organizations to rapidly scale technical capacity, secure digital infrastructure, and accelerate digital product delivery.

linkgroup.pl · HQ: Warsaw, Poland · Information Technology · IT Staffing & Staff Augmentation · IT Outsourcing & Dedicated Teams · 1001-5000 employees · Est. 2016

Tech stack of Link Group

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

What We Offer

Tailored opportunities to match your professional interests and goals.
A dynamic and collaborative work environment.
Access to exciting and diverse projects for global clients.
Competitive compensation aligned with your expectations.
Ongoing opportunities for professional growth and development.

If you're ready to take on new challenges and work on groundbreaking projects in the IT industry, we'd love to hear from you!

Apply today and join us at Link Group to make an impact!

Zakres obowiązków

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

Wymagania

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

Tech stack

SQL
ETL
AWS RDS
Google BigQuery
Snowflake
NoSQL
Python
Shell
PowerShell

Free account

Stop reading job ads. Get the ones that fit.

One free account turns this page into a shortlist built around your stack, your level and your pay.

Match on every job. Stack, seniority, pay and location, scored against your profile.

2,055,410 open roles. Read straight off company career pages, refreshed every day.

Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.

3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.

Create a free account Continue with Google

Free forever. No card. Under a minute.

Your match

How well do you fit this role?

Two answers are enough for a real match. No account needed.

Check my fit

Answers stay in this browser until you create an account.

Recommended for you based on this role

Data Science

Similar stack

Same company

Poland

Senior Data Engineer (remote from Portugal or selected EU countries) 1 hour ago

≈ $35k – $78k per year (Estimated) · Remote (Portugal) · 6+ years exp · PhD · Portugal

Python

SQL

Python

pySpark

Databases

Databricks

Delta Lake

Apache Kafka

AI/ML

Spark

MLFlow

dbt

AI Agents

Great Expectations

RAG

Feature Store

DevOps

Terraform

Azure DevOps

GitHub Actions

Azure

CI/CD

Git

Cybersecurity

GDPR

Microsoft Entra ID

Analytics

Azure Data Factory

Apply