Hire the Best .NET Core Developers
in Portugal

I'm an experienced Full Stack Engineer and problem-solver with many years of experience turning complex challenges into clean, reliable, and scalable software. I've built systems that keep hospitals compliant, financial data secure, online stores running 24/7, and AI-powered workflows delivering real business value. ❖ Backend: ✧ .NET/C#: .NET Core, ASP.NET Core MVC, Entity Framework, LINQ ✧ Python: Django, Flask, FastAPI, SQLAlchemy, Django ORM, Flask-SQLAlchemy ✧ RESTful APIs, GraphQL, Microservices Architecture, Event-Driven Systems ❖ AI & Automation: ✧ LLM Integration: OpenAI API, Claude API, Gemini API, LangChain, LlamaIndex ✧ AI Agents: Tool Calling, Function Calling, Multi-Step Agent Workflows ✧ RAG Systems: Vector Databases, Embeddings, Semantic Search, Document Q&A ✧ AI Automation: Workflow Automation, Intelligent Chatbots, AI Assistants ✧ OCR & Document Processing: Invoice Parsing, PDF Extraction, Data Classification ✧ Prompt Engineering: Prompt Optimization, Guardrails, Evaluation, Versioning ❖ Database: ✧ Relational: SQL Server, PostgreSQL, MySQL, Oracle ✧ NoSQL: MongoDB, Redis, DynamoDB, Cosmos DB ✧ ORM & Tools: Entity Framework Core, Dapper, SQLAlchemy, Hibernate ✧ Data Warehousing: Snowflake, BigQuery ✧ Vector Databases: Pinecone, Chroma, FAISS, Weaviate, pgvector ❖ Cloud & DevOps: ✧ Azure: Functions, Service Bus, App Services, AKS, Cosmos DB ✧ AWS: Lambda, ECS, S3, DynamoDB, API Gateway, CloudFormation ✧ GCP: Cloud Run, BigQuery, Pub/Sub, Firestore ✧ Containerization: Docker, Kubernetes, Helm, Istio ✧ CI/CD Pipelines: Azure DevOps, GitHub Actions, Jenkins, GitLab CI ❖ Frontend: ✧ JavaScript, TypeScript, React.js, Next.js, Angular 2+, Blazor ✧ Tailwind CSS, Material UI, SCSS I don’t just write code — I solve business problems. Whether it’s untangling messy legacy code, designing event-driven microservices that scale to millions of requests, modernizing applications for the cloud, or building AI-powered solutions that automate real workflows, I deliver software that works, lasts, and grows with your business. Work with me, and you’ll get more than just code — you’ll get reliable engineering, scalable architecture, and practical AI-driven solutions that perform exactly as expected. Ready to turn your idea into a reliable, scalable, and intelligent product? Let’s make it happen.

Solutions Architect and Cybersecurity Consultant with excellent knowledge in the Microsoft platform, having worked since the beginning of the career (more than 30 years of experience) with virtually all Microsoft products. Certificate MCITP, MCPD, MCTS, MCBMSP, MCBMSS, MCSE, MCDBA, MCSD, MCT. C|CT - Certified Cybersecurity Technician, working with Blue and Red Teams and with cybersecurity forensics. Consultant background with .NET and SQL related technologies and products on high transaction applications in small and large enterprise scenarios. Specialties: Excelent experience in development, management, configuration and troubleshooting of IT, involving all Microsoft technologies, especially SQL Server, Azure and .NET

Portuguese C#/.NET Backend Developer | Legacy Code Specialist | 6+ Years of Software Development Expertise I'm a versatile and dedicated Portuguese software developer with 6+ years of experience in backend development and software optimization, specializing in C# and .NET (Core and Framework various versions) for enterprise-grade solutions. I thrive in both modern software development and legacy code maintenance, ensuring seamless functionality and smooth transitions to updated architectures. Key Skills & Expertise: ✅ Backend Development: Proficient in C#/.NET Core & Framework ✅ Legacy Code Specialist: Expertise in maintaining and enhancing VB6 and ASP.NET WebForms applications ✅ API Development & Optimization: Skilled with Postman, Swagger, and RESTful standards ✅ Database Management: Proficient in PostgreSQL, SQL Server, MySQL, and SQLite ✅ Cloud-Based Development: Deep experience with Azure DevOps for CI/CD pipelines, version control, and project management ✅ Proficiency in Python and JavaScript for cross-functional development ✅ Agile Enthusiast: Experienced with Scrum and Kanban methodologies Legacy Systems Expertise: I excel at maintaining and modernizing legacy applications (VB6 & WebForms), improving performance, and implementing best practices to extend their lifecycle or migrate to more efficient platforms. Why Work With Me? 🔹 Time-Zone Flexibility: Based in Lisbon (GMT timezone) 🔹 Availability: Open to full-time or part-time engagements 🔹 Problem Solver: Expert at debugging, optimizing, and modernizing backend code for maximum efficiency 🔹 Dedicated Partner: Passionate about delivering clean, maintainable code and mentoring junior developers If you're looking for a backend developer who can seamlessly manage both legacy code and modern software development, let’s connect! 👋

Looking to bring your next great idea to life? Or, maybe you already have an awesome piece of software built and want to give it a new twist. ✅ Top Rated Software Development ✅ Expert in Task Automation and API Integrations ✅ Microsoft Certified Professional with 10+ years of experience ✅ Trained on the latest SW developer trends, tools and tech ✅ Deliver high quality software based on SOLID architecture principles ✅ Get robust software that stands the test of time TESTIMONIALS There is no secret why I consistently receive positive feedback, including: ✌️ "Amazing service. Highly recommended!" ✌️ "Always very professional and communicative." ✌️ "Easy to work with, highly skilled and honest straight forward ideas." ✌️ "Once again excellent job and service for our project! Always professional and timely!" ✌️ "Very sharp. Awesome to work with. Clear and direct. Lot of know how! " WHAT I OFFER ✅ Back-end Software Development ✅ API Integrations and Automation Development ✅ Web App Development ✅ Software Architecture Consulting ✅ MVP Product Development ABOUT ME Technically versatile software engineer with a passion for building data-driven applications with 10+ years of development experience. Successful working as a remote software engineer, collaborating in cross-functional teams and demonstrating high-levels of social, cultural and emotional intelligence to successfully deliver on business objectives SKILL SET ► Programming Languages C#, SQL, JavaScript, TypeScript, HTML, CSS/Sass ► Libraries & Frameworks ASP.NET MVC, .NET Core, Entity Framework, LINQ, WPF, Angular, React, jQuery ► Tools & Platforms MSSQL, MySQL, MongoDB, Elastic Search, Azure, PowerShell, NuGet, TeamCity, Octopus Deploy, TFS, Git 🔥🔥🔥 ALL SET - LETS GO! Done reading and want to get get started? Then click the "Hire" or "Invite"

Passionate Software Engineer specializing in .NET, Angular, and Azure development. with a Proven Track Record of Crafting Innovative Solutions. With over 6 years of hands-on experience in software development, I specialize in leveraging .NET, Azure, and Angular to create efficient and user-friendly applications. My focus is on results, and I'm dedicated to delivering solutions that exceed expectations. I thrive on refining my core skills in software development, software design, software architecture, and problem-solving. By staying abreast of the latest industry trends and technologies, I ensure that my solutions are always cutting-edge and effective. 🅷🅸🅶🅷🅻🅸🅶🅷🆃 🆂🅺🅸🅻🅻🆂: .𝐍𝐄𝐓 𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠 𝐀𝐧𝐠𝐮𝐥𝐚𝐫 𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐀𝐳𝐮𝐫𝐞 𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐒𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐃𝐞𝐬𝐢𝐠𝐧 𝐚𝐧𝐝 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞 𝐏𝐫𝐨𝐛𝐥𝐞𝐦 𝐒𝐨𝐥𝐯𝐢𝐧𝐠

I have 15 years of working experience as a C# developer . I have worked on several projects on web, sharepoint, MS dynamics ce/crm and power platform.