Back-end and DB Developer (.NET, PostgreSQL)

  • Katowice, Poland
  • Employees can work remotely
  • Full-time

Company Description

Shiji Group provides software solutions and services for the hospitality, food service, retail and entertainment industries, ranging from hotel management solutions, to food and beverage and retail systems, payment gateways, data management, online distribution and more.

Founded in 1998 as a network solutions provider for hotels, and later changed to a software provider for the whole consumer market, Shiji Group today comprises 5,000 employees in 80+ subsidiaries and brands, serving over 91,000 hotels, 200,000 restaurants and 600,000 retail outlets.

Shiji is committed to connecting the global business of hospitality. We provide an integrated suite of technological solutions that empower hotel, retail, food, and entertainment companies to better connect with their guests.


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.

Job Description

  • Being a part of the transformation into enterprise-grade operational reporting solution
  • Developing backend modules with DB performance in mind
  • Using advanced tools to optimize the 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 the collaborative and iterative software development process with agile teams

Technologies used:

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


  • Minimum 3-year experience in similar position and minimum 5 years of experience in IT industry
  • Experience and positive attitude towards PostgreSQL
  • 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

Additional Information

  • Contract Of Employment Or B2B Contract
  • Private Healthcare: Medicover And Life Insurance: PZU
  • Access To MyBenefit Platform – Offering – Benefits Adapted To Your Preferences: Multisport Card, And Many Other Options To Choose From Different Categories Like Shopping, Travel, Food)
  • All Necessary Equipment Such As Laptop, Additional Monitor And Other Accessories
  • Free English Lessons
  • Flexible Working Hours
  • Company Parties And Social Activities
  • Friendly, Motivated, And Talented Multicultural Team
  • Training Budget
  • Work From Office Katowice / Warszawa / Wrocław Or Hybrid Or Remote


Please don’t forget to put the clauses you accept in your resume:

I agree that my personal data will be processed by Shiji Poland Sp. z o. o.  in order to recruit for the position I am applying for.

I agree to the processing of my personal data by Shiji Poland Sp. z o. o.  for the needs of future recruitment.


We thank all applicants for their interest, however only those candidates selected for interviews will be contacted.

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