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Senior .NET Backend Developer – Performance & Data Specialist

Gdansk💼 Full-time🗓 2026-06-02 → 2026-07-30

Core

Design scalable database schemas and optimize SQL queries within a microservices architecture to support high-traffic SaaS applications for flight operations.

Role type

Senior .NET Backend Developer (Database Engineering)

Builds

Cloud-based SaaS applications for end-to-end flight operations

Domain

Aviation / Cloud Data Engineering

Deliverable

production ML models | product features | dashboards & analysis

Required skills

.NET, C#, Entity Framework Core, Raw SQL, AWS RDS/Aurora, Docker, CI/CD pipelines

Preferred skills

Unit testing, integration testing, Python, ASP .NET MVC, JavaScript, flight planning data structures

Technologies

.NET, C#, Entity Framework Core, AWS, RDS, Aurora, Docker, GitHub Actions, GitLab, CloudWatch

Responsibilities

Design database schemas and data layers for microservices; Optimize SQL queries and indexing strategies; Monitor cloud database performance; Develop and maintain backend services; Mentor engineers on data access patterns

Seniority

Senior, hands-on IC

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