Senior Software Developer (.NET)

September 4, 2026

Hybrid

Senior

Barcelona, ES

Important before applying

This job has conditions that may affect your decision to apply

English is required

Description

SITA is hiring a Senior .NET Software Developer to join a strategic modernization program for Datalink observability and configuration management. You will design, build and maintain high‑quality applications while leveraging AI‑powered development tools. The role is based in Barcelona with flexible hybrid work options.

Responsibilities

Analyze and improve legacy system software components
Develop new Datalink monitoring, observability, provisioning and configuration management applications
Write high‑quality, maintainable code adhering to performance, scalability and security standards
Apply AI‑powered development tools to improve coding efficiency and documentation generation
Design and execute software tests, monitor performance and resolve defects
Contribute to backlog prioritization aligned with business and operational requirements
Support modernization of legacy monitoring and configuration assets while ensuring continuity
Implement security measures and promote secure‑by‑design development practices
Create and maintain technical and user documentation to high standards

Requirements

10+ years professional software development experience in large‑scale real‑time systems
Strong expertise in .NET 8/10 and C# development on Windows platforms
Hands‑on experience with container orchestration and Linux‑based observability tools such as Grafana Alloy, Loki, Mimir, Prometheus and OpenTelemetry
Knowledge of microservices architecture, APIs (REST, SNMP, TCP/IP, UDP) and event‑driven systems like Kafka
Solid understanding of software architecture principles, SOLID and clean code practices
Ability to solve complex problems and collaborate in an international distributed team
Fluent professional English; French language skills are a plus

Conditions

Hybrid work model with up to two days remote per week
Flex‑Location option allowing up to 30 days work from anywhere annually
Employee Assistance Program providing 24/7 wellbeing support
Comprehensive health benefits and competitive compensation
Professional development through LinkedIn Learning, Pluralsight and other platforms
Inclusive environment with diversity focus and equal opportunity policies

aviation

Similar jobs

Picked by AI from the meaning of the description, not keywords

This device does not meet the site requirements

What may not work

Senior Software Developer (.NET)

Job summary

Score

Description

Responsibilities

Requirements

Conditions

Similar jobs

Job summary

Score

Similar jobs

Senior Software Developer (.NET)

Job summaryAnalysis and summary of the description [data-chart=chart-_R_b5s5eav5ubsqiuialb_] { --color-score: var(--warning); } .dark [data-chart=chart-_R_b5s5eav5ubsqiuialb_] { --color-score: var(--warning); } 65ScoreGood

Job summary

Score

Description

Responsibilities

Requirements

Conditions

Similar jobs

Job summaryAnalysis and summary of the description [data-chart=chart-_R_b5s5eav5ubsqiuialb_] { --color-score: var(--warning); } .dark [data-chart=chart-_R_b5s5eav5ubsqiuialb_] { --color-score: var(--warning); } 65ScoreGood

Job summary

Score

Similar jobs