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Is your AI-powered MVP built on a fragile 'vibe-coded' foundation? Are you struggling to scale a prototype that was built with lightning speed but is now plagued by bugs, security holes, and technical debt? I transform brittle AI prototypes into robust, **production-ready applications**. As a senior AI engineer specializing in the **Node.js** and **React** ecosystem, I bridge the gap between rapid, AI-assisted development and the disciplined engineering required for scalable, secure software. But robust software is only half the battle. The other half is making it *work for your business*. I design and implement **intelligent automation workflows** that connect your apps, eliminate manual tasks, and free up your team to focus on high-impact work. Whether you need to rescue a failing project, automate a core business process, or build a scalable MVP from the ground up, I provide the expert oversight to ensure your AI initiatives deliver real, measurable value. **My Core Services:** * **🤖 AI Code Rescue & Remediation:** I conduct deep **AI code audits** to debug, refactor, and secure fragile codebases (especially those built with LangChain.js). I turn unmaintainable prototypes into stable, scalable assets ready for real users. * **⚙️ Intelligent Workflow Automation & Integration:** I design and build digital assembly lines for your business. I offer a full spectrum of automation solutions: * **Rapid Integration:** Using **Zapier, Make.com & n8n** to connect your existing tools and solve immediate process bottlenecks. * **Custom API Development:** Building custom **Node.js** APIs and webhooks to connect proprietary systems or handle complex logic that no-code tools can't. * **AI-Powered Decisions:** Infusing your workflows with intelligence using the **OpenAI API** to triage support tickets, qualify sales leads, or generate content automatically. * **🚀 Custom AI Solution Development:** I architect and build bespoke AI solutions from scratch, from **Custom GPTs** and intelligent **AI Agents** to complex RAG (Retrieval-Augmented Generation) pipelines that leverage your private data. * **👨🏫 AI Engineer & Career Mentorship:** I provide 1-on-1 coaching to help developers navigate the AI landscape, master tools like LangChain.js, and build a successful career in AI engineering and automation. **My Tech Stack:** * **Languages:** Node.js, TypeScript, JavaScript * **Frameworks:** React, Next.js, Express.js, NestJS * **AI / LLM:** LangChain.js, OpenAI API, LlamaIndex, Vector Databases (Pinecone, Qdrant) * **Automation Platforms:** Zapier, Make.com, n8n Ready to move past the prototype phase and build a real business? **Send me a message with your project details or book a session to get started.** --- ### Service Packages * **Package 1: AI Code Audit & Production-Ready Roadmap** * **Description:** Have an AI-generated MVP that feels unstable? I'll perform a comprehensive review of your codebase. You'll receive a detailed report identifying security vulnerabilities, performance bottlenecks, and a concrete, actionable roadmap to make your application **production-ready**. This is the perfect first step to de-risk your project. * **Package 2: Intelligent Automation Workflow** * **Description:** Let's put a core business process on autopilot. We'll map out a high-impact workflow and I'll build a robust automation to solve it. Ideal for **automating lead qualification**, **triaging customer support tickets**, or **streamlining content pipelines** using the best tool for the job—Zapier, Make, or custom Node.js scripts. * **Package 3: Scalable AI MVP Development** * **Description:** Need to build an MVP the *right* way? I'll architect and develop a **scalable MVP** from day one, using professional, spec-driven development practices. We'll build a strong foundation with clean, documented code and a modern stack (Node.js, React) to avoid the technical debt that plagues "vibe-coded" projects.
I have been working as a Software Engineer for 7 years delivering high quality solutions across mobile, web and desktop platforms. Each project has deepened my understanding of the development lifecycle and strengthened my commitment to delivering innovative solutions that exceed client expectations. As a team lead, I’ve collaborated with clients from the US and successfully navigated complex challenges to deliver results that surpass expectations. I focus on mentoring others, fostering best practices, and ensuring projects are delivered on time without compromising quality. It is recommended you use the schedule session option (shows my available timings for each day of the week) on my profile to join a session.
Senior Software Engineer | Full Stack Senior .NET Developer with over 20 years of experience in both greenfield and brownfield development, designing, developing, and optimizing complex, scalable applications across legal, healthcare, government consulting, retail workforce management, benefits administration, and programmatic media advertising. Proven ability to lead teams, mentor developers, and implement solutions for complex systems while adhering to best practices and modern design patterns
Senior cloud software developer looking for a freelance opportunity on Codementor, with extensive experience in .NET, .NET Core (C#), ASP.NET, MAUI, Angular, PostgreSQL, SQL, and RabbitMQ. I have successfully delivered similar projects, and you can view my track record on Upwork(https://www.upwork.com/freelancers/~01035699c0d31c7fab) and Codementor(https://www.codementor.io/@denmarkstan). With over a decade of experience building enterprise-grade applications across healthcare, finance, and other complex domains, I specialize in cloud and SaaS application development that meets high standards for performance, security, and scalability. I am fully committed, capable of working independently with minimal supervision, and fluent in English, ensuring clear and efficient communication. For a better sense of my work style, technical depth, and professionalism, please see the Loom videos linked below. https://www.loom.com/share/84d85a4a540847d98cb34126aed92f47?sid=0d69bfea-b777-4717-affd-610b905a8024, https://www.loom.com/share/6029f997c39849bcb652651a511c038b?sid=35a65167-3a30-42b2-8fea-330d64bd25f8, https://www.loom.com/share/fc78604aaf524110af4ccbfb6312fecb?sid=93140d28-01d3-4974-b591-c84b0b333849, https://www.loom.com/share/2153ccc341d3420c8a13867d108553c7?sid=50bbfd86-2f72-442e-bc07-7dbd9f7e0772 Recent job places are: 1. HALLMARK - HEALTHCARE WORKFORCE TECHNOLOGY (New Jersey, Remote) 2. AFRICA PRUDENTIAL (Nigeria, Remote) 3. EIKONDATA S.L. (Madrid, Spain, Remote) 4. LIBRA INTERNET BANKING OF ROMANIA (Romania, Remote)
Accomplished innovative System Engineer with more than 10-years-experience working with multidisciplinary teams and technologies building enterprise solutions for private sectors. Provide expertise and services at all levels of execution, assuming high levels of responsibility for their delivery. Have performed the roles of Software Developer and Front End Technical Lead for numerous projects requiring the execution of all aspects of design and development of new value added to software solutions. Most of the projects were related to health care. Really proactive and learning spirit. I like working in groups because of the synergy in them. Skills and knowledge essential for solving problems and improvements.
I’m a backend .NET developer with 7 years of experience in SCRUM, Azure DevOps, Git, .NET and C#. I strive to be a trusted reference in development and software design, sharing best practices and driving the creation of robust, scalable solutions.
Full stack developer with over 7 years of experience in developing Mobile, Web applications and IAM solutions. Specialized in: - C# with .net framework and .net Core 2.0 - Asp.net MVC and Web API - AngularJs, Angular, Ajax, Jquery - Microsoft Azure (Developer stack), DevOps, Continuous integration - Microsoft Identity Manager (MIM 2016), Forefront Identity Manager(FIM 2010), AAD Connect - MIM 2016 custom workflows, rule extensions, sets, MPRs, workflows, RCDC, MAs and synchronization engine - T-SQL queries, stored procedures, views and triggers - Active Directory, Open LDAP, Open DJ integration and programming - Typescript, PowerShell - Bootstrap Key facts: - Focus on customer satisfaction by delivering quality work on time. - Develop software which meets your requirements, not the other way around!
I have over 19 years of experience in software development and have worked with a lot of technologies during these years. I am a happy person, very responsible, like teamwork, love to learn, to help others, and share my knowledge and experiences. My native language is Portuguese, but I am fluent in English and understand Spanish. I'm willing to relocate within USA. I graduated from Universidade Anhembi Morumbi with Bachelor Degree in Computer Science.
Up-to-date with the latest proven technologies. I have extensive experience developing data-driven web applications and websites. I can help you design and develop existing or new systems, improve your development processes, or provide consultation on anything related to the development lifecycle. Currently, I work as a software consultant for the security industry.
I'm a **polyglot fullstack software developer** (*I'm able to effectively work with multiple languages, tools, and frameworks*) with over 13+ years of industry experience in web application development. I'm also an instructor and mentor in various bootcamps having lead class cohorts, mentored groups of students and 1:1 tutoring sessions. I'm experienced in **Python**, **ECMAScript** (Javascript or Node.js), **Java**, **C#** **Ruby**, **PHP**, and even **Scala**. I work in both frontend and backend spectrums of the web stack, so whether you're debugging something in React.js or you're stuck on a complex SQL query, I'm more than happy to help in your code debugging adventures. My instruction style is that I like to guide the student towards learning *how* to solve rather than simply giving you the solution - I don't believe a student should be stuck on always referring back to a senior developer to get unblocked, but should be empowered to solve their own problems. Now that's real mentorship!
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