SQL Developer

LLInformatics is an IT consulting company with dozens of satisfied clients across Europe and North America. We serve businesses that expect their challenging projects to be delivered according to plan, with impeccable quality, and under strict compliance requirements. Our remote-first team of 100+ experts specializes in building high-quality digital products. We set a new standard in our industry through data-driven decisions, measurable outcomes, a strategic mindset, and a solid work culture.

• Contract Type: B2B

• Location: Warsaw or the possibility of Remote work

Your tasks and responsibilities:

• Migrate databases across different systems

• Create data mappings with business logic for data transformation

• Analyze and optimize existing data processing workflows

• Design, develop, and maintain ETL scripts

• Collaborate with the development team to understand the implemented business logic

• Create technical documentation and user instructions

• Troubleshoot data-related issues and provide technical support

Requirements:

• Proficiency in SQL (MS SQL, PostgreSQL, and others).

• Experience with AWS Glue and other AWS data services (e.g., S3, Lambda).

• Solid Python skills

• Hands-on experience in creating and maintaining ETL pipelines.

• Experience with database migrations, data mapping, and transformation.

• Familiarity with writing and managing migration scripts.

• Strong analytical and problem-solving skills.

• A collaborative mindset with the ability to work in an international team (English proficiency at B2 level or higher).

What we offer:

• Onboarding - we will take care of you from the very beginning. In this role (will undergo a 2-3 month onboarding process, including Training, Acquiring knowledge from Project version 1, Familiarizing with the code base from Project version 2, and Mapping processes between the projects)

• Cool company culture - we create a place where we would like to work

• Work techniques from the IT world - we work with various modern methods of running projects

• Transparent communication - support of a mentor, regular 360 feedback sessions

• Equipment - MacBook, + external widescreen (34 inches, 16:9), standing desks in the office