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I don't just write code — I **define the architecture**. For over two decades I've been the person CTOs and lead developers call when a system is *failing under load*, a migration is at risk, or an AI integration needs to be done **right the first time**. With **21 years** of hands-on architecture experience, I specialize in **C#, .NET, Blazor, ASP.NET Core, SQL, Python**, and AI agents built with **Semantic Kernel, LangGraph, and custom tool-calling pipelines**. I design and deliver systems where performance, reliability, and intelligent automation aren't optional — they're the baseline. I've helped teams migrate from legacy .NET Framework to .NET 8, integrate AI into production pipelines, and recover systems failing under scale — without full rewrites. I've shipped AI to **production** — not to a Jupyter notebook. I'm the creator of **FreeAIVoice** — a live AI voice platform with AI Voice Generation, Voice Cloning, and Speech-to-Text across **30+ spoken languages** and a developer API. I provided production systems for The New York Times. --- **Here's where I'm most useful to you:** - **The AI Integration Trap** — You've been asked to add AI to your existing .NET system but don't know whether to use *Semantic Kernel*, raw OpenAI APIs, or a Python sidecar. I've made that decision dozens of times. I'll make it faster and safer for you. - **The Blazor Bottleneck** — Your Blazor app is slow, state management is tangled, and you're unsure if you chose *Server or WASM* incorrectly. I can diagnose what went wrong and map a clean path forward — often in a single session. - **The Legacy Modernization Cliff** — You have a 10-year-old .NET system that needs AI or modern tooling but wasn't designed for it. I specialize in *incremental refactoring paths* that don't require a full rewrite and don't break what's already working. --- **What I Do Best:** - **Software Architecture & System Design** — scalable, maintainable systems from greenfield to enterprise - **AI Agent Development** — production-grade agents with Semantic Kernel, LangGraph & AutoGen — *not demos* - **Blazor & ASP.NET Core** — Server, WASM, hybrid — full-cycle development and performance tuning - **Python & AI Automation** — RAG pipelines, workflow automation, voice AI, LLM integrations - **Legacy .NET Modernization** — refactoring strategy, migration paths, incremental upgrades - **Architecture Audits** — identifying structural risk before it becomes a production incident, not after - **Debugging Complex Systems** — when the stack trace doesn't tell the whole story **If any of this sounds like your current situation — DM me. I respond to every message.**
**Microsoft Certified Power BI, Python, and SQL professional with 10+ years of experience delivering high impact analytics solutions. Skilled in data visualization, dashboard design, and technical problem solving to drive actionable, data-driven insights for businesses.** **Technical Proficiencies:** * **Visualization Tools**: Power BI (Microsoft Certified PL-300) * **Database Languages:** Google BigQuery, MySQL, PostgreSQL, T-SQL * **Object Orientated Programming:** Python (pandas, polars, sqlalchemy), VBA * **Cloud Platforms:** AWS, Azure, dbt, Microsoft Fabric, Power BI Service * **Other:** DAX, Excel, Power Automate, Power Query **Data Analysis Skills:** * Automation * API integration * ETL * Dashboard UX Design * Data modelling and architecture * Data storytelling * KPI Development **For prospective mentees / freelance clients:** _Transparent project quotations and plans - Regular project status updates - Will work to tight timelines - Discounts available for longer term projects_ * I also specialise in building trading algorithms and back-testing models, in MQL4, MQL5, MT4, MT5, Interactive Brokers API. * For freelance jobs and long term mentoring, intro calls are free (allowing you to assess the suitability of a partnership). Discounts are offered for longer term agreements of 1 week or more.
Most of my work for customers is around solving complex business problems through people and technology. Expertise in Front-end user interfaces, interactions through back-end APIs and servers, middleware, data storage and integration Strong experience in ASP.NET Core development.
Worked in the field for 3 decades for mom and pop shops to fortune 500 companies. I am seeking a full time position with a company as a backend, CFML programmer which is where I feel most comfortable with my more than 3 decades of coding experience. I would require a remote position, however, I am open to adjusting my waking hours to any time zone.
I am a highly motivated and experienced Senior Software Engineer with over 10 years of industry experience. Throughout my career, I have demonstrated a strong track record in designing and developing scalable software solutions for various client/server, web-based, and distributed applications. My expertise spans a wide range of programming languages and technologies, including C#, .NET, TypeScript, Angular.js, React.js, and Node.js. I have a proven ability to enhance existing codebases, introduce new features, and improve overall software quality. As a strategic thinker, I excel in analyzing critical system requirements and providing innovative solutions to complex problems. I am skilled in system and microservice architecture and have hands-on experience in managing Docker images and CI/CD pipelines. With excellent interpersonal and communication skills, I am both a team player and a leader, and I thrive in challenging environments that offer opportunities for growth and learning.
With 30 years of experience, I can assist you with any project involving: -Microsoft Office products (Access, Excel, Word, VBA programming) -Microsoft SQL (databases, stored procedures, reporting services) -Data imports/exports -Creating useful and timely information systems (reports, dashboards) with data from one or multiple sources Designations: Microsoft Certified Professional (MCP) CPA designation CITP designation
I 'm a full stack engineer with **15+** yrs of experience. My main focus is on ```'C++/Java/Oracle/SQL'``` and it's related technologies , with a keen interest in clean and efficient code. **I am a competitive programmer too; I am an expert in problem-solving and algorithmic thinking**. I offer tutoring services in programming\data structures and algorithms\competitive programming. I also offer help with general programming works. **If I can't fix your issue, you'll get a refund.** Message me if you are looking for more details.
I am a Software Architect who has been part of several enterprise products development teams. I have worked for large companies to start up companies. I like to get my hands dirty with programming almost every day. This keeps my skills fresh.
I am a Microsoft Fabric Certified Analytical Engineer and Power BI certified developer, with several years of experience in finance, sales, and BI in 3 Fortune 500 firms and experience as a quant data analyst for a Swiss hedge fund. Additionally, I hold a Master in Finance from HEC Lausanne Switzerland. This means I have experience developing financial models with Matlab and Python. You can also contact me if you are interested in portfolio optimization, fixed income, or quantitative risk management. My goal is to use data analytics to impact organizations in any area. I am currently based in my homeland, Medellin, Colombia. (Yes amazing city, yes open for business ideas :) ) I support start-ups and students at a preferable rate
Hi! My name is Ethar, though you'll get away with pronouncing it "Ether". "I love coding!" and despite that intro, I don't like sounding like Donald Trump. Not that you could ever confuse us two really :) I've been a full stack guy for over 20 years and these days, churn out JS, Node, C#, both SQL & NoSql and run on AWS, including developing IoT platforms and Alexa skills. As well as coding help, I also encourage developers and architects to look at problems differently. Committing to effective, clean, value driven solutions is crucial and my experience both in code and business provides a unique slant on why code is written in the first place. I also regularly recruit, so understand the needs of folk trying to break into the industry. Despite over 22 commercial years in the IT industry, holding very senior roles, and running companies and organisations, I still prefer coding. I've spent a lot of time doing complex computing tasks and building circuits, and work across IoT, AI/Machine Learning, High performing computing and use Lean-EA and Lean Startup to help enterprises and startups alike work more effectively. Many of my calls end in YAGNI (You Ain't Gonna Need It), which saves on unnecessary costs elsewhere. Ethics? Plenty. Probably to my own detriment. Projects: Contributed to OSS including JabaJS and a local community tech calendar Alexa Skill OSS project called "WhatGeeks" (accepting PRs if you're interested).
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