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Extia Logo Extia · IT - Software Development

Staff Backend Software Engineer

Portugal, Lisbon · Job Posted April 24, 2026
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Job Responsibility

  • Write clean, maintainable .NET C# code that sets the standard for the team while regularly delivering high-quality working software
  • Drive high-level technical decision-making, identifying trade-offs and risks while ensuring organization-wide alignment
  • Apply microservice and event-driven architectures (Kafka) to build modern, scalable applications
  • Define SRE standards for production monitoring and incident response, ensuring all critical systems are documented with technical guides
  • Deploy and scale cloud applications using Docker and Kubernetes, ensuring high performance and reliability
  • Provide insightful, comprehensive code reviews and ensure automated regression tests are implemented for complex fixes
  • Help provide direction and vision for technical improvements and drive change across multiple engineering teams

Requirements

  • 10+ years of professional experience with .NET C# and a Bachelor's degree in Computer Engineering or a related field
  • Expert knowledge of microservices patterns and event-driven architectures (2+ years with Kafka, Pulsar, or RabbitMQ)
  • Deep experience with NoSQL databases such as ElasticSearch, Dynamo, or MongoDB, with an understanding of use-case-specific deployment
  • Strong proficiency in containerization (Docker) and orchestration (Kubernetes)
  • Proven track record of working successfully in an Agile environment and quickly mastering complex, enterprise-scale codebases
  • Demonstrated ability to lead projects, organize engineering community events, and coordinate risk mitigation across teams
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