Senior .NET Backend Developer – Performance & Data Specialist

Airbus
Gdansk
Workplace: OnsiteFull timeFunction: Software EngineeringExperience: 6+ yearsSkills: ["C#",".NET","EF Core","SQL","LINQ","Docker","CI/CD","GitHub Actions","AWS","Aurora","Cloud","Multi-tenant","Backend development"]

Seasoned backend software engineer focused on .NET/C# building cloud-based SaaS apps. You will lead database design for a multi-tenant microservices platform, optimize EF Core and raw SQL, monitor AWS RDS/Aurora performance, and mentor peers on performant data access patterns within an aviation-focused NavBlue/Airbus context.

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FursaFursa
Airbus
Airbus
4 months ago

Senior .NET Backend Developer – Performance & Data Specialist

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Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 42 minutes agoStatus: Live

Job Summary

Seasoned backend software engineer focused on .NET/C# building cloud-based SaaS apps. You will lead database design for a multi-tenant microservices platform, optimize EF Core and raw SQL, monitor AWS RDS/Aurora performance, and mentor peers on performant data access patterns within an aviation-focused NavBlue/Airbus context.
Location: Gdansk
Workplace: Onsite
Employment Type: Full time
Job Function: Software Engineering
Seniority: Manager level

Key Responsibilities

  • •Technical Design & Data Integrity: Lead the design of database schemas and data layers, ensuring they are scalable, efficient, and maintainable within a microservices architecture.
  • •Query Optimization: Analyze and optimize SQL queries, specifically those generated by Entity Framework (EF) Core, to resolve performance bottlenecks (e.g., N+1 issues, Cartesian products).
  • •Database Management: Design and maintain indexing strategies and data types that optimize performance beyond standard framework defaults.
  • •Cloud Performance Monitoring: Use tools like AWS Performance Insights to monitor and manage AWS RDS/Aurora performance (CPU, IOPS, and memory usage).
  • •Technical Leadership: Define best practices for data access patterns and mentor other engineers on writing performant LINQ and raw SQL.

Pay and Benefits

Perks:Health InsuranceLife InsuranceEquityRemote WorkGym MembershipMeal Allowance

Key Requirements

  • •Minimum 6 years of professional backend software development experience with .NET and C#.
  • •Advanced knowledge of EF Core, including internal translation of LINQ to SQL and the ability to override it for performance reasons.
  • •Expert SQL skills with ability to analyze complex execution plans using Raw SQL.
  • •Proven track record optimizing cloud-native databases, specifically AWS RDS or Aurora.
  • •Experience in designing schemas for high-traffic, multi-tenant SaaS applications and working with Docker, CI/CD pipelines, and monitoring/logging tools.
Experience:6+ yearsCloudSaaSMulti-tenantAviation
Skills:C#.NETEF CoreSQLLINQDockerCI/CDGitHub ActionsAWSAuroraCloudMulti-tenantBackend development
Tech Stack:C#DOTNETEF CoreSQLDockerGitHub ActionsAWSAuroraLINQ

Company Brief

Airbus
Designs, manufactures, and sells commercial aircraft, helicopters, defense and space systems, and related services worldwide. Airbus is a leading aerospace and defense company delivering integrated solutions for civil and military aviation customers.
Industry: Aerospace Manufacturing
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: Toulouse, France
Founded: 1970
WebsiteLinkedIn