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September 18, 2026

Senior .NET Developer (Snowflake)

Senior • On-site

12,000 - 23,000 PLN/yr

Warsaw, Poland

Quick Facts

  • Role: Senior .NET Developer with Snowflake
  • Focus: Migrating a reporting application from MS SQL Server to a Snowflake-based data warehouse

Description

Rewire and modernize an existing reporting application by integrating it with a new Snowflake-based data warehouse. Analyze existing T-SQL queries and migrate the logic accurately, while building and maintaining application features in .NET. Support the transition with testing, source control, and containerization/orchestration work.

Responsibilities

  • Rewire the reporting application to integrate with the new Snowflake-based data warehouse
  • Analyze and interpret existing T-SQL queries to ensure correct migration of logic
  • Develop and maintain application features using .NET 8 and .NET 10
  • Implement data access logic using Dapper
  • Design and execute unit and integration tests
  • Manage source code and collaborate with the team using Git
  • Support containerization and orchestration efforts using Docker and Kubernetes
  • Collaborate with the client to understand reporting requirements and ensure a smooth transition

Requirements

  • 3+ years of .NET development experience; proficiency in .NET 8 and .NET 10
  • Knowledge of Snowflake and T-SQL for query and logic migration
  • Experience with Dapper
  • Skills in unit and integration testing
  • Understanding of Git
  • Background in Docker and Kubernetes (novice level)
  • English proficiency at B2 level or higher

Benefits

  • Stable pay
  • Employee Stock Purchase Plan with a 15% discount
  • Benefits package (health insurance, Multisport, shopping vouchers)
  • Referral bonuses up to $2,000
  • Offices with entertainment and relaxation zones, table tennis and football, free snacks and coffee
  • Corporate, social and well-being events
  • Career development programs, mentoring, thought leadership, soft skills and well-being programs
  • Certifications (Anthropic, Gemini, GCP, Azure, AWS)
  • English classes
  • Hybrid by design; remote work opportunity within Poland
  • Chance to work abroad up to 60 days annually
  • Business-driven relocation opportunities

Note: Benefits are available to employees only; contractor (B2B) terms are agreed individually.

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