Senior.NET Backend Engineer Europe, 100% remote

LimeFlight; A distancia; EUR 50.000 - 70.000; Jornada completa

Descripción de la vacante

A sustainable aviation technology company is seeking a Senior .NET Backend Engineer dedicated to creating high-performance backend systems and APIs. You will work closely with various teams to ensure the efficiency and reliability of scalable solutions that contribute to reducing food waste and CO₂ emissions in air travel. With a minimum of five years in backend development and expertise in .NET, you will play a key role in advancing our mission toward a zero-waste future in aviation.

Servicios

Fully remote work environment

Ongoing learning opportunities

Dynamic company culture

Formación

• 5+ years of professional experience in backend software development.
• 3+ years of experience in .NET (C#, ASP.NET Core, Entity Framework Core).
• Experience designing and developing scalable APIs.

Responsabilidades

• Design, develop, and maintain scalable backend systems and APIs.
• Oversee projects through development and maintenance.
• Collaborate with cross-functional teams for technical solutions.
• Provide technical guidance within the backend team.
• Lead code review processes to ensure high-quality standards.

Conocimientos

Backend software development

.NET (C#, ASP.NET Core)

API design and development

SQL databases

Unit testing

Integration testing

Security best practices

Cross-functional communication

Performance optimization

Herramientas

Docker

Azure DevOps

Terraform

Descripción del empleo

We are on a mission to contribute to a zero-waste future by drastically reducing food waste, fuel consumption, costs, and most importantly, CO₂ emissions in the airline industry. Every role in our company is a direct contributor to this vision - and as a Senior .NET Backend Engineer, you’ll be at the heart of the team that makes it possible.

You will report to our Backend Tech Lead and collaborate closely across multiple teams to help design and build scalable backend systems and APIs that power data-driven decision-making across airlines worldwide. Your work will focus on creating robust, high-performance solutions that evolve with our growing platform, while ensuring features are implemented reliably and delivered with exceptional quality.

Through your contribution, you’ll help us deliver technology that not only scales efficiently but also advances our mission of making air travel more sustainable and resource-efficient.

Key Responsibilities

• Design, develop, and maintain scalable backend systems and APIs.
• Oversee projects from conceptualization and design through development, testing, implementation, and ongoing maintenance.
• Collaborate with cross-functional teams (e.g., front-end developers, product managers) to gather requirements and translate them into effective technical solutions.
• Provide technical guidance to teammates within the backend team.
• Lead code review processes to ensure adherence to best practices and maintain high-quality code standards.
• Foster a collaborative environment that encourages continuous learning and improvement.
• Follow best practices for automated testing, deployment, and monitoring to enhance system stability.
• Document technical designs, code changes, and system architecture for ongoing reference and compliance.
• Troubleshoot and resolve complex technical issues in a timely manner, minimizing downtime and disruption.
• Take part in on-call rotation.

What will make you successful

• 5+ years of professional experience in backend software development, 3+ years of experience in .NET (C#, ASP.NET Core, Entity Framework Core).
• Proven experience in designing and developing scalable APIs.
• Proficiency in SQL databases (e.g., SQL Server,).
• Strong background in unit testing, integration testing, and automated test frameworks.
• Deep understanding of security best practices, authentication, and authorization.
• Strong communication skills for effective cross-functional collaboration with product managers, designers, and front-end engineers.
• Ability to proactively identify and address performance bottlenecks.

Nice-to-have :

• Strong understanding of software architecture principles.
• Familiarity with containerization (Docker).
• Experience with CI / CD pipelines (Azure DevOps, GitHub Actions, etc.) and infrastructure as code (e.g., Terraform).
• Understanding of cloud platforms such as Azure, including deployment, monitoring, and cost optimization.

Language

Min. English C1

Expected Travel Needs

2 annual one-week team events

Our Tech Stack

• C# (.NET 6–8), ASP.NET Core, Entity Framework Core
• Microsoft SQL Server, Azure Blob Storage
• Azure App Services & Functions, Docker
• Azure Service Bus, Terraform
• GitHub Actions, SonarQube, extensive unit & integration tests

Hiring Process

• Recruiter Screen (30 minutes)
• Interview with Hiring Manager (30 minutes)
• Technical Interview (60 minutes)
• Discussion with founder(s) and peer(s)

Why LimeFlight?

Join our fully remote, mission-driven team dedicated to pioneering sustainable inflight service management. Work on innovative technology solutions with global impact, collaborate within a diverse, international environment, and continuously enhance your skills through ongoing learning opportunities.

Experience an engaging, dynamic company culture that values your contributions, creativity, and commitment to shaping a zero-waste future for aviation!