Senior SQL Developer

Shiji Poland
9 000 - 18 000
gross / month (Employment contract)
10 000 - 20 000
net / month (B2B)

Online interview
B2B Employment contract
Katowice Remote
Remote possible

Project description

Your job will be to develop a part of a distributed system that serves the hospitality industry. The system consists of many domain-oriented microservices developed under a few cross-functional teams. You can bring a smile on the faces of thousands of people working in hotels across the globe.

Your tasks

You'll be responsible for:

  • Being a part of transformation into enterprise-grade operational reporting solution,
  • Using advanced tools to optimize performance of SQL queries used in reports,
  • Helping other developers in daily activities related to SQL and database performance,
  • Development of advanced reports in a state-of-the-art framework,
  • Working in collaborative and iterative software development process with agile teams.

Technologies used:

  • PostgreSQL (incl. AWS RDS), AWS Redshift,
  • Visual Reporting framework,
  • Kubernetes, Docker,
  • CI/CD (e.g. Jenkins/Gitlab),
  • Linux, Windows.

Who we're looking for?


  • Minimum 3-year experience in similar position and minimum 5 years of experience in IT industry,
  • Strong experience with PostgreSQL and/or other Database Management Systems,
  • Excellent understanding of SQL, ability to implement complex SQL queries
  • Good understanding of database performance aspects, ability to optimize queries, database structures with different techniques
  • Strong verbal and written communication skills in English are required,
  • Proactive attitude and continuous improvement.

Nice to have:

  • Experience with AWS RDS PostgreSQL, AWS Redshift and other AWS database related technologies is a plus,
  • Experience in hospitality systems & familiarity with hospitality applications is a strong plus.

Work environment
  • Healthcare package
  • Healthcare package for families
Leisure package
  • Leisure package
  • Leisure package for families
  • Cold beverages
  • Hot beverages
  • Fruits
  • Trainings
  • Conferences
  • Bicycle parking
  • Language courses
  • Adaptation tips
  • Help finding an apartment
  • Shower
  • Integration events
  • Chill room

Our company

Shiji Poland

Katowice 200
Tech skills
  • .net
  • dot net
  • .net core

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