Senior .NET Engineer

  • Lisbon, Portugal
  • Full-Time
  • Hybrid
Apply now Refer
Job Description:

Komodo Consulting is a technology and strategy firm specializing in Digital Transformation. Operating in Portugal and Poland, we provide IT Consulting & Nearshore services. We support both public and private sector organizations through two main areas:

- Consulting — with a focus on strategy, investment analysis, and digital process improvement;

- IT Team Augmentation — helping clients scale and strengthen their tech teams.



The Project

We are seeking a Senior .NET Engineer to work on a project for a Technology Company.



You will have the following responsibilities:

  • Design and implement high-performance microservices using .NET 8, with a focus on scalability and clean architecture;

  • Build and refine asynchronous, event-driven workflows using AWS SNS/SQS, ensuring data consistency and system resilience;

  • Lead the technical integration of Large Language Models (LLMs) into core applications, bridging .NET backends with Python-based AI logic;

  • Collaborate on the design and development of high-throughput data pipelines using AWS Data Firehose and Data Streams for real-time processing;

  • Uphold high code quality standards through unit and integration testing using xUnit and WireMock;

  • Work closely with SRE teams to deploy services via GitHub Actions and manage cloud infrastructure through Terraform;

  • Leverage AI-assisted tooling such as GitHub Copilot and ChatGPT to accelerate delivery while maintaining rigorous oversight of code security and efficiency.



You need to have the following skills/experience:

  • Deep expertise in C# and .NET Core / .NET 8, including strong knowledge of the framework's internals;

  • Hands-on experience building cloud-native applications leveraging AWS services, including SNS, SQS, S3, and ECS;

  • Strong understanding of Event-Driven Architecture and distributed systems patterns such as Pub/Sub, Competing Consumers, and Idempotency;

  • Proven experience with Redis or Valkey for caching, state management, and performance optimization;

  • Experience or demonstrable interest in working with LLMs and Python, including RAG systems or OpenAI/Anthropic API integrations;

  • A test-first mindset with solid experience in unit and integration testing practices;

  • Familiarity with DevOps tooling including Docker, GitHub Actions, and Terraform;

  • English proficiency at B2 level or above, with confidence communicating and collaborating in a fully English-speaking work environment.



Location

Lisboa, Hybrid (2x a week at the office).