Senior .NET Engineer
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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
Lisbon, Hybrid 2x a week at the office.
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