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🏆 Top Rated · ⏳ 10+ years shipping full stack products With 10+ years of experience in Full Stack Web Development and Software Engineering, I build high-performance, scalable, and user-friendly web applications, custom web platforms, business applications, and backend systems for startups, businesses, and growing companies. I specialize in React, Next.js, .NET Core, MongoDB, SQL, REST APIs, and modern web application development. From building responsive frontend interfaces to developing secure backend APIs, database systems, authentication, and third-party integrations, I can handle your project end-to-end. WHAT I CAN HELP WITH Full Stack Web Development • Custom web application development • Full Stack web development • Frontend & backend development • Business web applications • Custom dashboards & admin panels • Customer portals & internal tools • Scalable and responsive web applications • API-driven web applications React & Next.js Development • React.js development • Next.js development • Modern responsive UI development • Reusable React components • Next.js web applications • Server-side rendering (SSR) • API integration • Performance optimization • Frontend architecture .NET Core Development • ASP.NET Core development • .NET Core Web API • REST API development • Backend development • Custom business logic • Authentication & authorization • JWT authentication • Third-party API integrations • Scalable backend systems Database Development • MongoDB development • SQL database development • MySQL & PostgreSQL • Database design & architecture • Database optimization • Complex queries & data management • API & database integration Web Application Development • Custom web applications • Enterprise web applications • Business management systems • CRM & ERP solutions • Admin dashboards • SaaS platforms • Customer portals • E-commerce applications • Subscription-based applications • Internal business tools API & Integrations • REST APIs • Third-party API integrations • Payment gateway integrations • Authentication APIs • Webhooks • JSON APIs • Custom backend integrations • Frontend & backend API integration TECH STACK Frontend: React, Next.js, JavaScript, TypeScript, HTML, CSS, Tailwind CSS Backend: .NET Core, ASP.NET Core, C#, Node.js, REST APIs Databases: MongoDB, SQL, MySQL, PostgreSQL, Firebase, Supabase Development: Full Stack Development, Web Application Development, API Development, Database Development, Authentication, Cloud Integration WHY WORK WITH ME? • 10+ years of software engineering experience • Full Stack development from frontend to backend • Strong experience with React, Next.js & .NET Core • MongoDB & SQL database expertise • Clean, scalable, and maintainable code • Responsive and performance-focused web applications • Secure API and backend development • Clear communication and reliable project delivery • Ability to work on both new applications and existing systems Whether you need a React developer, Next.js developer, .NET Core developer, MongoDB developer, SQL developer, Full Stack Web Developer, or a complete Web Application Development solution, I can help turn your idea into a reliable and scalable product. Click the Invite button, and let's build something amazing together.

Top Rated Plus 👍👍 130K++ Upwork earning 👏👏👏 Delivery on time with quality ⭐⭐⭐⭐⭐ "A thousand-mile journey starts with a single step!" My teacher used to quote this in class and it is valid in so many situations in our lives. You are here to hire someone or solve a problem or grow your business or just checking profiles, I would like you to start somewhere by saying Hi to somebody. If it would be me I would share this journey by providing my best effort all the way. Software developer by profession I have worked at multiple roles from front end development, database development, report development, business analysis development, UAT support onsite, user live training, cost estimation, and team management. Currently inspired by the advancement in Data Analytics related technologies and Machine learning thus pursuing my dreams along with helping my clients. From May 2019 I decided to be a freelancer full-time profession and I am loving it on upwork. The platform not only allows me to interact with people around the globe but I also help my clients achieve their goals with the best quality ever. I like to organize the tasks for a job offered to me here, It helps me to track the effort and can share my status daily with the client without taking hours to compile things. For a couple of years the team management, budget management, work allocation to the team and other managerial workload have helped me become which I am today. It is a joy to share with you that I have earned of being fast here with the work delivery which you can see in most of the client's reviews. Please click on the specialized profile to get an insight into my skill set related to each category.

Software developer (c#/vb.net), Microsoft Office expert, Access/VBA programmer, web-content scraper. Oleksiy has more than 20 years of experience in user and network support, and more than 15 years in software development. He also has strong expertise in the following areas: ETL, SQL, Internet research, and project management. Holds a Master of Science degree in Applied Mathematics and a Master of Science in Economic Management.

❝𝐇𝐞𝐥𝐩𝐢𝐧𝐠 𝐬𝐦𝐚𝐥𝐥 𝐛𝐮𝐬𝐢𝐧𝐞𝐬𝐬𝐞𝐬 𝐠𝐫𝐨𝐰 𝐢𝐬 𝐦𝐲 𝐩𝐚𝐬𝐬𝐢𝐨𝐧!❞ Throughout the day, I work as an Account Services II consultant at Newfold Digital, a leading provider of web presence solutions designed for small to medium-sized businesses. Their portfolio includes well-known brands such as Bluehost, CrazyDomains, HostGator, Network Solutions, Register.com, Web.com, and more. I support clients throughout the website design process and provide SEO strategy recommendations that align with their business objectives. Despite my role not being focused on sales, , I have consistently achieved the highest revenue in my team for the past two years, my highest month was $20,000+ in successful leads. On weekends and evenings, I am a freelancer who specializes in creating and enhancing B2B lead lists for businesses across diverse industries. Since the merger of Elance-oDesk with UPWORK in 2013, this platform has played a significant role in my professional journey. My academic journey in Criminology and Criminal Justice at Carleton University has equipped me with valuable transferrable skills applicable in my professional endeavors. These include receptiveness to constructive feedback, proficient time management, adeptness in research and idea presentation, strong problem-solving and decision-making capabilities, as well as a dedication to self-motivation and continuous self-improvement. Clients can expect outstanding service backed by a collaborative, timely, and cost-effective approach. I provide a variety of services tailored to meet your business requirements: ✔ B2B Lead Generation ✔ LinkedIn Research & Prospecting ✔ Web Research ✔ Data Cleaning ✔ Contact List Building ✔ CRM Enrichment ✔ Data Collection ✔ Data Entry from PDF ✔ Business Directory Listings ✔ Quality Backlinks ✔Regularly published blog posts optimized for search engine performance ✔ and more!!! ✔Competitive Analysis and more!!! Why Choose Me 💫 Choosing my services offers distinct advantages. I am a driven professional capable of working autonomously, quickly understanding objectives and formulating effective strategies to achieve them. My approach is characterized by a fast-paced, deadline-focused work ethic, complemented by strong organizational and communication skills. I also ensure your satisfaction by providing revisions as needed. Are you ready to take your business to the next level? I encourage you to reach out to me so we can discuss how my proven skills in lead generation & SEO can greatly boost your success.

** Greetings! I'm part of Upwork's Expert-Vetted Program. Top 1% Freelancer. ** **I am also a Microsoft Data & AI Partner.** **I am also Claude Certified and on path to becoming a Claude Partner** I'm an AI-First Data Engineer and Architect with 15 years of expertise under my belt, including extensive work with Fortune 100 companies. I build Claude-powered systems on top of the data foundations I've shipped my entire career, turning enterprise data into AI agents, internal copilots, and automated workflows that actually run the business. My areas of expertise include: ✅ Claude-Powered AI Agents & Automation ✅ MCP (Model Context Protocol) Server Development ✅ Claude Code & AI-Assisted Engineering ✅ CoPilot & End-to-End MS Stack (Microsoft Partner) ✅ LLM Integration, RAG & Context Engineering ✅ SQL Development ✅ Data Warehouse Implementation ✅ ETL and Data Pipelines ✅ Tableau and Power BI ✅ Power Platform ✅ Advanced Analytics ✅ Shopify and ECommerce Systems Technologies & Skills: 🤖 AI / LLM: Claude (API, Code, Cowork, Teams), MCP Servers, OpenAI, Gemini, RAG, Agentic Systems, Vector DBs (Pinecone, pgvector) 🛠️ AI Tooling: Claude Code, Cursor, n8n, LangChain, Anthropic Skills & Projects 📊 Reporting: Tableau, Power BI, Looker 💾 Databases: SQL Server, MySQL, Oracle, Teradata, InnoDB, Snowflake, BigQuery ☁️ AWS: EC2, S3, Lambda, RDS, DynamoDB, IAM, CloudFormation, QuickSight, SageMaker, Bedrock 🔷 Azure: CoPilot, Virtual Machines, Functions, Synapse, Blob Storage, File Storage, SQL Server, AAD, Container Apps, OpenAI Service 🌐 GCP: BigQuery, Cloud Functions, Cloud SQL, Cloud IAM, Dataflow, Vertex AI, VPC 💻 Programming: SQL, Python, TypeScript, C++, C#, DAX, Batch/Shell Scripting, Stored Procedures, SSIS Working Together: As an AI-First Data Engineer, I specialize in analyzing your company's data assets and building Claude-powered architectures that turn them into autonomous agents, internal copilots, and AI-driven decision systems. I have honed my skills and tools over the years to do this effectively — and I now ship in days what used to take months. When I work with my clients, I see myself as an extension of their team. I am committed to meeting their requirements and working tirelessly to deliver what they need. If I have the opportunity to work on one of your projects, you can count on me to: ✅ Understand your business and its needs ✅ Communicate with you effectively and clearly ✅ Present you with a thorough and detailed project plan ✅ Build production-grade Claude integrations, MCP servers, and AI agents ✅ Provide you with continuous, comprehensive support ✅ Deliver AI-first solutions that meet your requirements Let's join forces and get your AI-first project done right the first time around!

⭐⭐⭐⭐⭐ "Proactive, great communicator and skilled! I would hire him again." - Julia M. ✅ Professional problem solver. ✅ Primarily focused on Laravel-focused projects, but have experience across Express, React and NextJS also. ✅ Proactive communicator. ✅ Able to design and implement the database, and also the backend APIs and front end UIs 70% backend, 30% frontend. Perfectionist by nature. I love and enjoy creating beautiful code with a modern stack. I hold a Bachelor of Computer Science degree. Born and raised in Canada. Native English speaker. Focused on building maintainable and scalable web applications. I love to “connect the dots” between business and technology, to ensure all stakeholders are satisfied. Love creating projects from scratch, and bringing beautiful UIs and performant backends to life. Self managing hard worker. Self employed in technical web capacities for 9 years. Communication is key. Also familiar with typical technologies used in business context such as email automation systems, remarketing pixels, WordPress, Zapier/Make/n8n, Google Tag Manager, Google Analytics and a bunch of other random stuff. Stack: • Laravel with Filament • Blade Tailwind • MySQL, Postgres • React.js latest, hooks, context • Next.js latest • Typescript • Node.js, npm. Yup/Zod, Formik/React Hook Form, Axios, Express, React Router • Redis, CDNs, web hosting • Organized, scalable, commented code • Firebase, MongoDB, Supabase • OpenAI, ChatGPT • Apollo/GraphQL, REST API • HTML5, CSS3, SCSS, BEM • ShadCN, MUI Material UI, Tailwind, Ant Design, Bootstrap, Chakra, • Vite, Webpack, Gulp • Git • Linux Personal traits: • Stress resistant • Entrepreneurial problem solver • Hard worker • Result-oriented • Self-learning • Use a new stack on the fly • Friendly • Have an eye for design • Attention to details • Perfectionist and minimalist • Meet deadlines • Achieve results Ready to bring your project to life? Invite me or message me. Let’s create something incredible together. keywords ==== laravel vue blade php filament eloquent mysql postgres react next expert, react.js next.js expert, ui expert, frontend expert, full-stack expert, skilled reactjs developer, experienced reactjs developer, skilled react.js developer, experienced react.js developer, skilled react developer, experienced react developer, skilled full-stack developer, experienced full-stack developer, front end, frontend, front end developer, frontend developer, frontend expert, web developer, full stack, full-stack, fullstack, full stack developer, full-stack developer, fullstack developer, next, next.js, nextjs, next developer, next.js developer, nextjs developer, react, react.js, react developer, react.js developer, reactjs developer, reactjs engineer, senior react developer, senior react.js developer, senior reactjs developer, senior reactjs engineer, javascript, javascript developer, javascript engineer, senior javascript developer, senior javascript engineer, node, node.js, nodejs, node developer, node.js developer, nodejs developer, npm, mern stack, mern-stack, mern stack developer, mern-stack developer, mongodb, mongo db, express, express.js, express js, expressjs, firebase, firestore, google cloud, redux, context api, hooks, react hooks, react-hook-form, react hook form, formik, zod, schema, schemas, babel, webpack, es6, es7, es8, typescript, REST, REST API, restful API, GraphQL, graph ql, apollo client, json web token (jwt), authentication, authorization, server-side rendering (ssr), static site generator, gatsby, gatsbyjs, gatsby js, gatsby developer, material-ui, MUI, ant design, bootstrap, tailwind, tailwind css, tailwindcss, tailwind.css, tailwind UI, tailwindUI, scss, sass, html5, css3, html, css, styled components, responsive web design, dashboard, web-app, web application, web app, git, github, bitbucket, agile methodologies, jira, trello, scrum, kanban, seo, search engine optimization, performance optimization, continuous integration, continuous deployment, ci, cd, supabase, chatgpt, openai developer, openai, mui x