OverviewWe are building a world-class team to evolve a high-performance, event-driven ecosystem. As a Senior Software Engineer, you will be at the forefront of our migration to .NET 8 and the integration of Generative AI (LLMs) into our core product. This role focuses on designing solutions that handle complex financial and data workflows in a cloud-native, AI-augmented environment.Responsibilities High-Scale Development: Design and implement robust microservices using .NET 8, focusing on performance, scalability, and clean architectureEvent-Driven Architecture: Build and refine asynchronous workflows using AWS SNS/SQS, ensuring data consistency and system resilienceAI Integration: Lead the technical implementation of LLMs into our applications, bridging the gap between .NET backends and Python-based AI logicData Engineering: Collaborate on the design of high-throughput data pipelines using AWS Data Firehose and Data Streams for real-time processingQuality & Testing: Maintain a high bar for code quality using xUnit and WireMock, ensuring that our transition to new services is seamless and regression-freeInfrastructure Collaboration: Work closely with SREs to deploy services via GitHub Actions and manage resources through TerraformModern Tooling: Leverage GitHub Copilot and ChatGPT to accelerate delivery while maintaining critical oversight of code security and efficiencyExpertise we are looking for .NET Mastery:Deep expertise in C# and .NET Core / .NET 8. You must know the framework's internals, not just the syntaxAWS Native Experience:Practical experience building applications that leverage SNS, SQS, S3, and ECSDistributed Systems:Strong understanding of Event-Driven Architecture and patterns (Pub/Sub, Competing Consumers, Idempotency)Caching Excellence:Proven experience with Redis or Valkey for state management and performance optimizationAI/ML Curiosity:Experience or strong interest in working with LLMs and Python. If you've built RAG systems or integrated OpenAI/Anthropic APIs, you are ahead of the curveTesting Rigor:A "test-first" mindset. If you don't value unit and integration testing, you won't survive our deployment cycleDevOps Awareness:Familiarity with Docker, GitHub Actions, and Terraform. You don't need to be an SRE, but you must speak their languageBenefits Permanent contractUnlimited PTOFlexible working hoursTraining & conferences, create your own training planWork with large-scale systems powering global businessesOther Good Things Choose Laptop & Peripherals that best suit your needsHotspot with unlimited usage (PT), for work or NetflixOffice locations in Porto, Aveiro, and Coimbra; remote from Portugal is an option. Remote from other countries depends on location and projectsOffice snacks and partnerships with local businessesAbout MinderaWe build products we are proud of, with people we love. Software Engineering Applications, including Web and Mobile, are at the core of what we do at Mindera. We partner with our clients to deliver high-performance, resilient, and scalable software systems across the world.You get to work with a bunch of great people, where the whole team owns the project together. Our culture reflects a lean and self-management attitude. We encourage risks, decisions, collaboration, and open communication. Freedom and Responsibility go hand in hand, with emphasis on commitment, feedback, and empathy.Check out our Blog and our Handbook. Our offices are located in Porto, Portugal | Aveiro, Portugal | Coimbra, Portugal | Leicester, UK | Casablanca, Morocco | San Diego, USA | San Francisco, USA | Chennai, India | Bengaluru, India | Cluj-Napoca, Romania.#J-18808-Ljbffr