Talent badge filter
Skills filter
$20/hr
100% Job Success
$100K+ earned
Start of list.
End of list.
I am a backend-focused engineer specializing in system architecture design, DevOps workflows, and SQL Server management. I help businesses build, optimize, and maintain reliable, scalable, and secure systems. My work focuses on designing clean architectures, improving deployment pipelines, and ensuring databases perform efficiently under real-world workloads. I believe in practical solutions, clear documentation, and systems that are easy to maintain long-term. I have worked on large-scale, production-level platforms in the travel and software domains, contributing to stable infrastructure and performance-focused backend systems. My Skills: ✅ Enterprise Application Development ✅ APIs Development ✅ Azure Hosting ✅ Parallel/Multitask Programming ✅ CI/CD pipelines ✅ Code repository management Proficient working on: ✅ ASP.Net MVC / Core ✅ Blazor ✅ MS Sql Server ✅ CSS, Bootstrap ✅ Kendo UI ✅ Azure functions/web jobs
Pankaj M.
$35/hr
100% Job Success
$100K+ earned
Start of list.
End of list.
𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 Plus || 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝 Full Stack 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫| | 𝟏𝟎𝟎% 𝐉𝐨𝐛 𝐒𝐮𝐜𝐜𝐞𝐬𝐬 𝐑𝐚𝐭𝐢𝐨 || 𝟒𝟎𝟎𝟎+ 𝐔𝐩𝐰𝐨𝐫𝐤 𝐇𝐨𝐮𝐫𝐬 C#, .𝐍𝐄𝐓 𝐂𝐨𝐫𝐞, .𝐍𝐄𝐓 𝐌𝐕𝐂, 𝐀𝐒𝐏.𝐍𝐄𝐓 𝐂𝐨𝐫𝐞, 𝐀𝐒𝐏.𝐍𝐄𝐓 𝐌𝐕𝐂, 𝐀𝐧𝐠𝐮𝐥𝐚𝐫, 𝐑𝐞𝐚𝐜𝐭, 𝐂𝐥𝐨𝐮𝐝 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 𝐚𝐧𝐝 𝐖𝐞𝐛 𝐀𝐏𝐈𝐬 I’m a dedicated full-stack developer, bringing over 10 years of experience to the table. My journey in tech has been fueled by a boundless passion for solving puzzles and an unyielding commitment to excellence. Specializing in the full spectrum of web and software development, I've navigated the complex landscapes of client needs and technological evolutions to deliver solutions that resonate with users and drive business success. 🔧 𝐌𝐲 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐓𝐨𝐨𝐥𝐛𝐨𝐱: ◾ 𝐂𝐨𝐫𝐞 𝐏𝐫𝐨𝐠𝐫𝐚𝐦𝐦𝐢𝐧𝐠 𝐋𝐚𝐧𝐠𝐮𝐚𝐠𝐞𝐬: Mastery in C#, JavaScript, TypeScript, SQL, HTML5, and CSS3, ensuring a solid foundation for any project. ◾ 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬 𝐚𝐧𝐝 𝐋𝐢𝐛𝐫𝐚𝐫𝐢𝐞𝐬: Proficient in .NET Framework, .NET Core, ASP.NET, ASP.NET MVC, ASP.NET Core, and Entity Framework (including Core). My front-end expertise spans Angular (incl. Angular 10), React, Vue.js, Knockout.js, JQuery, with a flair for Bootstrap and Twitter Bootstrap 3 design. ◾ 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐓𝐨𝐨𝐥𝐬 𝐚𝐧𝐝 𝐈𝐃𝐄𝐬: Skilled in navigating Visual Studio (2017, 2022), Visual Studio Code, leveraging Git, GitHub, Bitbucket for version control, and efficient in project management tools like Jira and Trello. ◾ 𝐖𝐞𝐛 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐚𝐧𝐝 𝐔𝐈/𝐔𝐗: From front-end to back-end, including ASP.NET Web API, WCF, and UI/UX design tools (Figma, InVision, Sketch, Adobe XD, Maze), I craft engaging and robust online experiences. ◾ 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬: Deep understanding of SQL Server, MySQL, PostgreSQL, SQLite, MongoDB, and adept at database design and management with tools like Entity Framework, LINQ, Dapper, and NHibernate. ◾ 𝐂𝐥𝐨𝐮𝐝 𝐂𝐨𝐦𝐩𝐮𝐭𝐢𝐧𝐠 𝐚𝐧𝐝 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬: Versatile in cloud services and architecture, including AWS, Microsoft Azure, Google Cloud Platform, with a keen eye on SaaS solutions and cloud infrastructure. ◾ 𝐀𝐏𝐈𝐬 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐚𝐧𝐝 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬: Experienced in integrating a wide range of APIs, including payment systems (PayPal, Stripe, Amazon Payments) and social media (Facebook API, Twitter API), ensuring seamless functionality and user experience. 🎯 𝐖𝐡𝐲 𝐈 𝐒𝐭𝐚𝐧𝐝 𝐎𝐮𝐭: ◾ 𝐒𝐭𝐫𝐚𝐭𝐞𝐠𝐢𝐜 𝐏𝐫𝐨𝐛𝐥𝐞𝐦-𝐒𝐨𝐥𝐯𝐢𝐧𝐠: Each line of code I write is aimed at addressing real-world challenges. My approach is not just about delivering code but ensuring that it aligns with your business goals and market trends. ◾ 𝐂𝐥𝐢𝐞𝐧𝐭-𝐅𝐢𝐫𝐬𝐭 𝐌𝐢𝐧𝐝𝐬𝐞𝐭: Building long-term relationships is at the heart of what I do. I pride myself on understanding your needs, offering personalized solutions, and ensuring that your investment in technology pays dividends. ◾ 𝐈𝐧𝐧𝐨𝐯𝐚𝐭𝐢𝐨𝐧 𝐚𝐭 𝐂𝐨𝐫𝐞: Staying ahead of the curve is crucial. From exploring emerging technologies such as OpenAI and ChatGPT to implementing modern cloud and DevOps practices, I bring innovation that keeps your solutions relevant and efficient. ◾ 𝐂𝐮𝐬𝐭𝐨𝐦 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 𝐓𝐚𝐢𝐥𝐨𝐫𝐞𝐝 𝐭𝐨 𝐘𝐨𝐮𝐫 𝐍𝐞𝐞𝐝𝐬: Your vision and business objectives are unique. I dive deep into understanding your specific challenges to deliver customized, scalable, and robust solutions. ◾ 𝐀𝐠𝐢𝐥𝐞 𝐚𝐧𝐝 𝐀𝐝𝐚𝐩𝐭𝐚𝐛𝐥𝐞 𝐀𝐩𝐩𝐫𝐨𝐚𝐜𝐡: The tech landscape is always changing, and so are your needs. My agile methodology ensures that your projects remain on the cutting edge, adaptable to new trends and requirements. ◾ 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐚𝐧𝐝 𝐂𝐨𝐥𝐥𝐚𝐛𝐨𝐫𝐚𝐭𝐢𝐨𝐧 𝐚𝐭 𝐈𝐭𝐬 𝐁𝐞𝐬𝐭: I believe that the success of a project lies in clear communication and collaborative efforts. I ensure a transparent process where your input and feedback are valued every step of the way. 🚀 𝐋𝐞𝐭’𝐬 𝐁𝐫𝐢𝐧𝐠 𝐘𝐨𝐮𝐫 𝐈𝐝𝐞𝐚𝐬 𝐭𝐨 𝐋𝐢𝐟𝐞 Embark on a journey to transform your digital aspirations into reality. Whether it’s building from scratch or enhancing an existing platform, I’m here to make your vision a success with a touch of innovation, excellence, and strategic insight. 𝐑𝐞𝐚𝐝𝐲 𝐭𝐨 𝐄𝐥𝐞𝐯𝐚𝐭𝐞 𝐘𝐨𝐮𝐫 𝐃𝐢𝐠𝐢𝐭𝐚𝐥 𝐏𝐫𝐞𝐬𝐞𝐧𝐜𝐞? Let’s connect! Click '𝐈𝐧𝐯𝐢𝐭𝐞 𝐟𝐨𝐫 𝐉𝐨𝐛' or drop me a '𝐌𝐞𝐬𝐬𝐚𝐠𝐞'. Together, we can achieve the extraordinary.
Pankaj M. has worked .
Mahesh P.
$25/hr
100% Job Success
$60K+ earned
Offers consultations
Start of list.
End of list.
Hi, I’m Mahesh 👋 I’m a Senior Full-Stack Developer, API Integration Specialist, and Automation Engineer with 10+ years of experience building scalable systems, marketplace integrations, and AI-powered automation. I design and develop API-driven platforms, automation workflows, and backend systems that handle everything from real-time data synchronization to payments, logistics, and intelligent business automation. From e-commerce integrations → .NET backend systems → AI automation → n8n workflows, I deliver complete, production-ready solutions that scale. 🔥 CORE EXPERTISE 🔗 API Development & Integration • RESTful API development and GraphQL APIs • SOAP services and microservices architecture • Third-party API integrations and custom APIs • Webhooks and event-driven systems • API documentation using Swagger / OpenAPI • API lifecycle management and deployment 🛒 E-commerce & Marketplace Integrations • Amazon API, eBay, Shopify, Etsy, WooCommerce, BigCommerce • Walmart API and marketplace integrations • Product catalog and inventory synchronization • Order management and fulfillment automation • Seller platform automation systems 💳 Payment & Financial Integrations • Stripe API, PayPal, Braintree, Authorize.net • Secure payment processing systems • Subscription and billing automation • Payment gateway integrations 🚚 Shipping & Logistics Integration • FedEx, UPS, USPS, DHL APIs • Shipping automation and tracking systems • Fulfillment workflow automation 🤖 AI Automation & Workflow Systems • AI automation workflows and pipelines • n8n automation and workflow orchestration • AI agents and decision systems • OpenAI, LangChain, RAG pipelines, prompt engineering • AI lead generation and content automation ⚙️ Backend Development & Architecture • .NET Core, .NET 8, C#, ASP.NET, Entity Framework • Node.js, Python, Flask, FastAPI, PHP • Laravel, CodeIgniter • Scalable backend architecture and API-first systems • Microservices and serverless architecture 🌐 Frontend Development • Vue.js, Angular, React • JavaScript, jQuery • HTML5, CSS3, Bootstrap ☁️ CLOUD & DEVOPS • AWS (EC2, S3, Lambda, RDS) • Azure (Functions, App Services) • Terraform and serverless architecture • CI/CD pipelines • GitHub, Bitbucket 🗄️ DATABASES & DATA ENGINEERING Databases: MySQL, PostgreSQL, MongoDB, Redis, Supabase, Firebase, DynamoDB Data Engineering: Apache Airflow, Kafka, Prefect, dbt ETL pipelines, Talend, Pentaho, Airbyte, Hevo Snowflake and BigQuery Vector Databases: Pinecone, Weaviate, Chroma 🔄 AUTOMATION & TOOLS • n8n, Zapier, Make (Integromat), Pabbly • CRM integrations (HubSpot, Zoho, Salesforce, Pipedrive, AgileCRM) • Messaging APIs (Twilio, Plivo, TextMagic, Bandwidth) • Marketing tools (Mailchimp, ActiveCampaign, Sendinblue) • Scheduling tools (Calendly, Jotform, Acuity) 🔐 SECURITY & PERFORMANCE • OAuth 2.0, JWT authentication • API key security and access control • Rate limiting and secure architecture • Performance optimization and query tuning 💼 WHAT I CAN BUILD ✔ Marketplace and e-commerce platforms ✔ API-driven SaaS applications ✔ Payment and subscription systems ✔ AI-powered automation workflows ✔ CRM and marketing automation ✔ Data pipelines and analytics systems ✔ Backend systems and microservices ✔ Full-stack web applications 🏅 EXPERIENCE • 10+ years of development experience • 100+ API integrations delivered • Strong expertise in system architecture and automation • Experience across startups, SaaS, and enterprise systems 💡 WHY WORK WITH ME ✔ Deep expertise in APIs, automation, and backend systems ✔ Strong experience in e-commerce and marketplace integrations ✔ Ability to handle complex, multi-system architectures ✔ Focus on scalable, secure, and maintainable solutions ✔ Clear communication and reliable delivery 🔍 KEYWORDS (SEARCH OPTIMIZED) API Specialist API Integration REST API GraphQL Microservices Architecture Webhooks E-commerce Integration Amazon API eBay API Walmart API Shopify WooCommerce Stripe API PayPal API Braintree Authorize.net n8n Automation AI Automation OpenAI LangChain RAG pipelines .NET Core C# ASP.NET Node.js Python Flask FastAPI Laravel CodeIgniter Vue.js Angular React MySQL PostgreSQL MongoDB Redis AWS Azure ETL pipelines Data Engineering Automation Engineer Full-Stack Developer 📩 LET’S BUILD YOUR SYSTEM If you want to: • Integrate complex APIs • Build e-commerce or marketplace systems • Automate workflows using AI and n8n • Develop scalable backend or SaaS platforms 👉 Send me a message — I’ll help you design and build the right solution Best Regards, Mahesh
Mahesh P. has worked .
Viztech Soft Solutions Private Limited
Associated with
Viztech Soft Solutions Private Limited
$600K+
earned
$20/hr
100% Job Success
$1K+ earned
Offers consultations
Start of list.
End of list.
With over 9 years of hands-on experience in web development and designing, I am dedicated to creating exceptional digital experiences that leave a lasting impact. My goal is to build the world’s biggest brand one day, and I’ve equipped myself with a diverse skill set to achieve this vision. I specialize in creating lasting impressions, which is why a significant portion of my business comes from returning customers. I focus on delivering gratifying and satisfactory work through clear communication and a deep understanding of my clients' needs. Expertise: Web Development & Designing (.NET, ASP.NET MVC, .NET Core, Angular, ReactJS, Node.js) ReactJS & Node.js: Building dynamic and responsive applications. Custom Websites: Expertise in Angular, ReactJS, ASP.NET Core, and more. Woocommerce Development: Customizing and building eCommerce websites. PSD to WordPress: Converting PSD files to functional WordPress sites. PSD to HTML: Using Twitter Bootstrap 4, Foundation, and Semantic UI for responsive web designs. Customizations & Error Fixing: Tailored solutions to meet specific business needs, including fixing small errors, contact form fixes, and more. Logo Designing & UI/UX Design: Crafting unique and visually appealing logos and website designs. Technologies: ReactJS: Building dynamic user interfaces with the power of React. Node.js: Server-side development for scalable and performant applications. Angular: Robust and scalable solutions for complex frontend applications. ASP.NET MVC5 & ASP.NET Core: End-to-end web application development with the Microsoft stack. My professional objective is to take on challenging projects that help small and medium businesses stand out from the crowd with exceptional, custom-built designs. Whether you're looking for a complete website from scratch, a redesign, or a simple website fix, I have the expertise to help you succeed.
Muhammad Waseem Y. has worked .
Shahzad U.
$8/hr
100% Job Success
$6K+ earned
Start of list.
End of list.
As an experienced C# .NET developer specializing in both web and desktop applications, I focus on delivering reliable, efficient, and scalable solutions that solve real business problems. I combine technical expertise with creativity to build software that is not only functional but also user-friendly and maintainable. My goal is to help clients achieve their objectives by providing high-quality code, clear communication, and on-time delivery, ensuring a smooth development experience and long-term value.
Shahzad U. has worked .
Fahad G.
$22/hr
100% Job Success
$7K+ earned
Offers consultations
Start of list.
End of list.
Senior Full Stack .NET Developer | 7+ Years | 40+ Projects Delivered | Top Rated on Upwork Is your business still running on spreadsheets, manual processes, or outdated software? I help businesses in retail, FMCG, healthcare, fintech, construction, and restaurants replace slow manual workflows with fast, reliable, and scalable custom software — saving time, reducing errors, and increasing team productivity. ✅ Why Clients Choose Me 🏆 Top Rated on Upwork — awarded for consistent quality and client satisfaction 📦 40+ projects delivered across web, mobile, and desktop platforms 🕐 7+ years of hands-on experience in full-stack .NET development 🌍 Worked with clients across diverse industries and time zones 💬 Clear communication via Teams, Zoom & Upwork — regular updates, zero surprises 🚀 What I Can Build for You 🔹 Custom ERP, POS, Inventory, Payroll & Sales systems 🔹 Healthcare management systems & patient portals 🔹 3rd-party & payment gateway integrations (Stripe, PayFast, fintech APIs) 🔹 Web & cross-platform mobile applications 🔹 Cloud deployment & Azure infrastructure setup 🔹 Legacy system upgrades & performance optimization ⚙️ Tech Stack Backend .NET Core / .NET 5–8 | ASP.NET MVC & Web API | ASP.NET Zero | Clean Architecture | SOLID Principles | Repository Pattern Frontend & UI Angular | Blazor (Server & Hybrid) | React.js | .NET MAUI Databases SQL Server | PostgreSQL | MongoDB | SQLite Cloud & DevOps Microsoft Azure (App Services, SQL, Azure Portal) | IIS | CI/CD Pipelines Reporting Crystal Reports | Custom Dashboards & Business Intelligence Modern & Emerging Vibe Coding (AI-assisted development) | ServiceM8 | REST & Third-Party API Integrations 🏥 Industries Served Retail | FMCG | Healthcare | Fintech | Construction | Restaurants | Automotive | Service-based Businesses ❓ Frequently Asked Questions Q: How experienced are you? A: 7+ years of professional full-stack .NET development with 40+ projects delivered across web, mobile, and desktop platforms. Q: What types of systems do you specialize in? A: Custom business software — ERP, POS, inventory, payroll, healthcare, and sales systems. I focus on replacing manual workflows with automated, scalable solutions. Q: Can you handle payment and third-party integrations? A: Yes. I've integrated payment gateways, fintech APIs, ServiceM8, and various third-party systems into production applications. Q: Do you work with healthcare applications? A: Yes. I've built healthcare management systems with patient portals, appointment scheduling, and reporting, with attention to data security and compliance. Q: Can you deploy and host my application? A: Absolutely. I deploy on Microsoft Azure, IIS, and on-premise servers, and I assist with full server setup and configuration. Q: Do you offer long-term support? A: Yes — I prefer long-term partnerships. I provide ongoing maintenance, updates, new features, and performance improvements. 💡 Have a project in mind? Send me a message and I'll respond within a few hours with my initial thoughts and a rough solution plan - no commitment needed. Let's build something great together.
Fahad G. has worked .
Yurii K.
$40/hr
100% Job Success
$100K+ earned
Offers consultations
Start of list.
End of list.
Reliable .NET Full Stack Developer for Scalable Web Solutions I’m a .NET Full Stack Developer who delivers production-ready features on time, keeps development cost-efficient, and builds scalable web solutions that grow with your business. As a Senior .NET Full Stack Developer, I design and develop secure, high-performance applications using .NET and Angular, focusing on clean architecture, scalability, and long-term maintainability. I’m a .NET Developer who aligns technical decisions with business goals. Every solution I deliver as a .NET Full Stack Developer is production-ready, reliable, and built for real users. Experience & Credentials Certified Senior .NET Full Stack Developer 8+ years of commercial experience as a .NET Developer and Tech Lead 30+ completed projects on Upwork 100+ delivered projects with my Intelvision team (last 5 years) 100% Job Success | 1900+ hours | $100K+ earned Trusted .NET Developer for Visoplan, ING+, Jincom, Kiflo, and more When clients need a reliable .NET Full Stack Developer, they come back. Core Role: .NET Full Stack Developer As a .NET Full Stack Developer, I handle frontend, backend, APIs, databases, cloud infrastructure, and DevOps. As a .NET Developer, I ensure security, performance, and scalability from day one. I work as: .NET Full Stack Developer for SaaS platforms .NET Full Stack Developer for enterprise systems .NET Full Stack Developer for MVP and startup products .NET Developer for long-term system growth Core Technologies (.NET Full Stack) .NET Full Stack .NET Developer (ASP NET Core, Web API, SignalR) Angular (enterprise SPA, NgRx, RxJS) Node.js (for hybrid architectures when needed) Every project is led by a .NET Full Stack Developer, not a generalist. Backend & Architecture (.NET Developer Expertise) As a .NET Developer, I build backend systems using: RabbitMQ, Docker, Kubernetes, Redis, GraphQL, SignalR, Elasticsearch, Hangfire, MediatR, Quartz NET, Akka NET, Autofac, Dapper, NHibernate, Swagger, FluentValidation, Serilog, NLog This is what separates a .NET Full Stack Developer from a basic coder. Frontend Development (Angular) As a .NET Full Stack Developer, I pair backend power with modern UI development: Angular, TypeScript, SPA, PWA, NgRx, RxJS, Angular Universal, NG-ZORRO, Tailwind CSS, MUI, Ant Design, Lighthouse optimization A strong .NET Developer always delivers a strong frontend. Cloud, DevOps & CI/CD (.NET Full Stack) Azure, AWS, Docker, Kubernetes, GitHub Actions, GitLab CI, Azure DevOps A real .NET Full Stack Developer owns deployment, scaling, and monitoring. Security & Authentication (.NET Developer Focus) Auth0, IdentityServer4, Azure AD B2C, OAuth 2.0, JWT, Azure Key Vault, AWS IAM Security is mandatory for any .NET Full Stack Developer. Business & API Integrations Stripe, Xero, QuickBooks, Microsoft Graph API, Salesforce, SAP, Dynamics As a .NET Developer, I build systems that integrate with real business tools. Testing & Quality xUnit, NUnit, Moq, MSTest, Karma, Jest A professional .NET Full Stack Developer ships tested code. Industry Experience as .NET Full Stack Developer SaaS platforms FinTech systems PropTech and ConTech Logistics and supply chain Custom enterprise solutions Each domain was delivered by a .NET Full Stack Developer with real production experience. Why Clients Choose Me as a .NET Full Stack Developer Deep backend expertise as a .NET Developer Strong Angular frontend delivery Clean architecture and scalability Business-oriented mindset Long-term partnership approach Whether you need an MVP, SaaS, PoC, or enterprise system, you need a .NET Full Stack Developer, not just a coder. Let’s Build Your Product If you’re looking for a reliable .NET Full Stack Developer, an experienced .NET Developer, and a partner who delivers on time, let’s talk. Your product deserves a .NET Full Stack Developer who understands scale, security, and growth.
Yurii K. has worked .
Intelvision
Associated with
Intelvision
$100K+
earned
Fedir P.
$38.89/hr
100% Job Success
$100K+ earned
Offers consultations
Start of list.
End of list.
I’m a Top-Rated Plus software engineer with 8+ years of experience building high-performance, scalable, and reliable solutions for clients in finance, ERP, and SaaS industries across Ukraine, the US, and Europe. 💻 Core Expertise • Backend: C# / .NET (ASP.NET Web API, MVC, .NET Core, .NET 6) • Frontend: React, Redux, JavaScript, TypeScript • Databases: MS SQL, PostgreSQL, MongoDB • Messaging & APIs: RabbitMQ, Kafka, SignalR, Azure Service Bus • Cloud: AWS, Azure • Other: RedisCache, WebSockets, Unit & Integration Testing, Microservices, System Architecture 🛠 What I Do Best • Develop enterprise-grade applications and SaaS platforms from scratch or modernize legacy systems • Implement microservices architectures for better scalability and maintainability • Lead development teams using SCRUM with focus on delivery and quality • Optimize system performance through modern architectural approaches • Mentor and guide developers, conduct tech interviews, and oversee project planning 📈 Notable Achievements • Led a backend team for a US-based accounting startup, delivering different modules like Accounts Payable, Accounts Receivable, HR and time-tracking modules etc. • Migrated financial platform services from .NET Framework to .NET 6 with significant performance boosts • Consistently delivered successful Upwork projects with excellent client satisfaction 🎓 Education & Certifications • Master’s in Computer Science (Kyiv Polytechnic Institute) • Bachelor’s in Automation & Computer Integrated Technologies (Kyiv Polytechnic Institute) • Certified UAV Operator (Special Purpose) 🌍 Languages: Ukrainian (Native), English (Advanced C1, IELTS 7.5)
Fedir P. has worked .
$15/hr
100% Job Success
$100+ earned
Start of list.
End of list.
Most clients don't need a developer who knows every framework. They need one who asks the right questions, writes clean code, and doesn't disappear when things get complicated. That's what I do. I'm a .NET and Blazor developer with 3+ years building production web applications from multi-role e-commerce platforms to internal dashboards, API integrations, and cloud-deployed systems on Azure. I've worked across full product cycles: database design, backend APIs, frontend UI, and deployment. What I've shipped: Built a full Blazor Server + ASP.NET Core e-commerce platform with Stripe payments, inventory tracking, role-based admin dashboards, and real-time analytics from scratch to production Modernized legacy ASP.NET systems into .NET 8 microservices with Azure deployment, improving maintainability and reducing technical debt across enterprise-scale codebases Delivered a custom MudBlazor v9 component library for a client on Upwork, debugging breaking API changes end-to-end and hitting the milestone deadline My core stack: C# · .NET 8 · ASP.NET Core Web API · Blazor Server · Angular · SQL Server · Azure · Supabase · Stripe , Entity Framework , REST APIs, MudBlazor and SignalR I work well with clients who: Have a real project, not just a vague idea. Value clean architecture over quick hacks. Want someone who communicates clearly and flags problems early I'm based in Pakistan (PKT, UTC+5) and available for both fixed-price projects and ongoing hourly contracts. Response time is typically under a few hours during business hours. If your project needs a .NET developer who takes ownership send me a message with a short description of what you're building. I'll tell you honestly if I'm the right fit.
$30/hr
100% Job Success
$200K+ earned
Start of list.
End of list.
🚀 Senior AI & Full-Stack Developer | Top Rated Plus | 100% Job Success | $200K+ Earned I help startups and businesses build AI-powered applications, SaaS platforms, and automation systems that reduce manual work, improve customer response times, and streamline operations. With 10+ years of experience in software development and over $200K earned on Upwork, I have successfully delivered web applications, business automation tools, and custom software solutions for clients worldwide. Whether you need an AI assistant, customer support chatbot, internal business tool, or a complete SaaS platform, I can take your project from concept to deployment. What I Deliver: ✔ AI-powered customer support systems that automate common inquiries and improve response times ✔ AI lead qualification and sales assistants that help businesses capture and convert more opportunities ✔ Workflow automation solutions connected to CRM, Email, WhatsApp, and third-party platforms ✔ Document processing and knowledge-base systems using LLMs and RAG architecture ✔ Custom SaaS platforms designed for scalability, performance, and long-term growth Core Expertise: • OpenAI / ChatGPT Integrations • AI Agents & AI Assistants • Retrieval-Augmented Generation (RAG) • AI Workflow Automation • SaaS Application Development • Business Process Automation Technology Stack: • OpenAI API, LLMs, Prompt Engineering, RAG • React.js, Next.js, Angular • Node.js, ASP.NET Core • REST APIs & Third-Party Integrations • Scalable Database & Backend Architecture My approach is simple: build solutions that create measurable business value, not just software. If you're looking for a reliable development partner who can design, develop, and launch AI-powered products that solve real business problems, let's discuss your project.
Mitul P. has worked .