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Mamta G.
$25/hr
100% Job Success
$30K+ earned
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I am a highly experienced software developer working since 2009 from Ahmedabad, India. Below are some of the top skills I possess which you may be looking for. HTML 5 J Query Angular JS React JS Kendo UI AJAX C# Vb.Net Asp.Net MVC Asp.Net Core MS SQL My SQL No SQL Mongo Db Xamarin Telerik WPF Windows Forms XAML Using the above mentioned skills I have developed various large and complex web/windows/mobile applications that best suits to my clients requirement while taking a reasonable time. I am also good at creating and managing different servers and can install required things such as IIS, FTP, SMTP, etc Please contact me to get the best solution for your software development requirement.
Dhiraj D.
$25/hr
98% Job Success
$100K+ earned
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Modern .NET applications need more than just code - they need structure, scalability, and long-term reliability. Bringing 𝟏𝟎+ 𝐲𝐞𝐚𝐫𝐬 of experience working with 𝐂#, 𝐀𝐒𝐏.𝐍𝐄𝐓 𝐂𝐨𝐫𝐞, 𝐚𝐧𝐝 𝐦𝐨𝐝𝐞𝐫𝐧 .𝐍𝐄𝐓 𝐭𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 I develop scalable systems across enterprise applications, CMS platforms, and eCommerce solutions. My focus is on creating structured, maintainable codebases that support long-term growth rather than short-term fixes. I have hands-on experience with CMS platforms including 𝐃𝐍𝐍 (𝐃𝐨𝐭𝐍𝐞𝐭𝐍𝐮𝐤𝐞), 𝐔𝐦𝐛𝐫𝐚𝐜𝐨, 𝐒𝐢𝐭𝐞𝐟𝐢𝐧𝐢𝐭𝐲, 𝐚𝐧𝐝 𝐎𝐫𝐜𝐡𝐚𝐫𝐝, where I handle custom development, module creation, integrations, and performance improvements. On the eCommerce side, I work extensively with 𝐍𝐨𝐩𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞 - customizing workflows, improving performance, and building tailored features based on business needs. 𝐓𝐄𝐂𝐇 𝐒𝐓𝐀𝐂𝐊: ⦁ 𝐁𝐀𝐂𝐊𝐄𝐍𝐃- C#, ASP.NET Core, .NET Core, .NET 8, ASP.NET MVC, Web API, Entity Framework, LINQ, Microservices Architecture, SignalR, gRPC, Clean Architecture, Domain-Driven Design (DDD), CQRS ⦁ 𝐂𝐌𝐒 & 𝐄𝐂𝐎𝐌𝐌𝐄𝐑𝐂𝐄 - DNN (DotNetNuke), Umbraco CMS, Sitefinity CMS, Orchard CMS, NopCommerce, Custom CMS Development, Headless CMS, CMS Migration & Optimization ⦁ 𝐃𝐀𝐓𝐀𝐁𝐀𝐒𝐄- SQL Server, PostgreSQL, MySQL, MongoDB, Redis, CosmosDB, Database Design, Query Optimization, Indexing, Stored Procedures ⦁ 𝐂𝐋𝐎𝐔𝐃 & 𝐃𝐄𝐕𝐎𝐏𝐒 - Microsoft Azure, Azure App Services, Azure Functions, Azure DevOps, AWS (EC2, S3, Lambda, RDS), Docker, Kubernetes, CI/CD Pipelines, GitHub Actions, Infrastructure as Code (IaC), Linux ⦁ 𝐀𝐑𝐂𝐇𝐈𝐓𝐄𝐂𝐓𝐔𝐑𝐄 & 𝐒𝐘𝐒𝐓𝐄𝐌 𝐃𝐄𝐒𝐈𝐆𝐍 - RESTful APIs, GraphQL, Distributed Systems, Event-Driven Architecture, Scalable System Design, High Availability Systems ⦁ 𝐈𝐍𝐓𝐄𝐆𝐑𝐀𝐓𝐈𝐎𝐍𝐒 - Stripe, Twilio, SendGrid, Salesforce, DocuSign, Google APIs, Payment Gateways, SOAP APIs, REST APIs, Webhooks, Third-Party API Integrations ⦁ 𝐓𝐄𝐒𝐓𝐈𝐍𝐆 & 𝐐𝐔𝐀𝐋𝐈𝐓𝐘 - Unit Testing, Integration Testing, xUnit, NUnit, Test Automation, Debugging, Performance Profiling ⦁ 𝐀𝐈 & 𝐀𝐔𝐓𝐎𝐌𝐀𝐓𝐈𝐎𝐍 - Python, FastAPI, OpenAI API, Automation Workflows, Data Processing 𝐖𝐇𝐀𝐓 𝐈 𝐃𝐄𝐋𝐈𝐕𝐄𝐑 ⦁ Full-stack .NET application development ⦁ CMS development and customization (DNN, Umbraco, Sitefinity, Orchard) ⦁ eCommerce solutions using NopCommerce ⦁ Scalable APIs and backend systems ⦁ Legacy system modernization to ASP.NET Core ⦁ Performance optimization and database tuning ⦁ Cloud-ready deployments and architecture ⦁ Debugging, stabilization, and ongoing improvements 𝐃𝐎𝐌𝐀𝐈𝐍𝐒 & 𝐈𝐍𝐃𝐔𝐒𝐓𝐑𝐈𝐄𝐒 ⦁ Finance & FinTech ⦁ eCommerce & Retail ⦁ Healthcare & HealthTech ⦁ Education & eLearning ⦁ SaaS Platforms ⦁ Real Estate ⦁ Logistics & Supply Chain ⦁ Enterprise Business Applications ⦁ CRM & ERP Systems I focus on delivering solutions that are clean, efficient, and built to scale - so your system continues to perform as your business evolves. 𝐈𝐟 𝐲𝐨𝐮'𝐫𝐞 𝐥𝐨𝐨𝐤𝐢𝐧𝐠 𝐟𝐨𝐫 𝐚 .𝐍𝐄𝐓 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 𝐰𝐡𝐨 𝐮𝐧𝐝𝐞𝐫𝐬𝐭𝐚𝐧𝐝𝐬 𝐛𝐨𝐭𝐡 𝐂𝐌𝐒 𝐞𝐜𝐨𝐬𝐲𝐬𝐭𝐞𝐦𝐬 𝐚𝐧𝐝 𝐜𝐮𝐬𝐭𝐨𝐦 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭, 𝐈’𝐦 𝐚𝐯𝐚𝐢𝐥𝐚𝐛𝐥𝐞 𝐭𝐨 𝐜𝐨𝐥𝐥𝐚𝐛𝐨𝐫𝐚𝐭𝐞.
Dhiraj D. has worked .
Kindlebit Solutions Private Limited
Associated with
Kindlebit Solutions Private Limited
$6M+
earned
Harsh P.
$15/hr
100% Job Success
$100K+ earned
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I am a Full Stack Web & Mobile Developer with 8+ years of experience building scalable, high-performance applications for startups, agencies, and enterprises. Today, I specialize in developing AI-powered applications, SaaS platforms, and automation-driven systems that help businesses grow faster and operate smarter. What I Can Help You With: ✔ AI integrations (OpenAI, chatbots, smart automation) ✔ SaaS product development (MVP to scalable platform) ✔ Enterprise web applications ✔ Cross-platform mobile apps (Flutter) ✔ API development & third-party integrations ✔ Performance optimization & scalable architecture Technical Expertise Frontend: React.js, Redux, Angular, HTML5, CSS3, Bootstrap Backend: .NET Core, .NET MVC, Node.js, Express Mobile: Flutter, Xamarin (Android & iOS) Database: MongoDB (Mongoose), MSSQL, PostgreSQL, MySQL Other: REST APIs, Microservices, Unit Testing, IIS Deployment AI & Automation Focus I actively implement AI-driven solutions such as: • AI chatbots & conversational interfaces • OpenAI/LLM integrations • Intelligent workflows & automation • Data-driven dashboards My goal is simple: Build smart systems that save time, reduce cost, and increase revenue. Whether you need to build a product from scratch or scale an existing system, I’m here to deliver reliable and future-ready solutions. Let’s discuss your project and turn your idea into a powerful digital product.
Harsh P. has worked .
Alex G.
$99/hr
100% Job Success
$200K+ earned
Available now
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Most business software is either too expensive, too rigid, or just doesn’t match how you actually work. I build custom systems that automate processes, reduce manual work, and scale with your business - exactly the way you need. 🚀 Many businesses rely on expensive, off-the-shelf software that doesn’t fit their real processes - or forces them to pay for features they don’t need. I design and build custom systems that: • match your actual workflows instead of forcing you to adapt • automate manual processes, saving time and reducing errors • integrate with your existing tools seamlessly • stay flexible as your business grows What I deliver: • Custom business systems replacing or complementing legacy platforms • Process automation and workflow digitization • CRM/POS integrations and data synchronization • Scalable, maintainable architecture (.NET, React, Angular, MS SQL, MongoDB, Node.js) How I work: I start by understanding your operations and pain points, then design a solution that eliminates inefficiencies and unlocks growth potential - without overpaying for unnecessary complexity. If you’re paying too much for software that doesn’t really fit your business, I can help you build something better.
Igor S.
$50/hr
100% Job Success
$200K+ earned
Available now
Offers consultations
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I build production AI, Machine Learning, and Data Analytics systems that cut operational costs by 40%, prevent ~$2M in annual fraud losses, and turn messy enterprise data into revenue-driving Business Intelligence. Recent work includes a Machine Learning microservices platform serving 2M+ users and 100M+ daily API requests, a multilingual AI Agent handling 15,000+ daily messages with a 20-point NPS lift, and a RAG-powered AI Chatbot embedded in production web apps that drove a 42% conversion rate increase. I work end-to-end across Generative AI, LLM Engineering, AI Agent Development, AI Automation, Data Science, Data Engineering, ETL Pipelines, MLOps, and executive Dashboards in Power BI, Tableau, Looker Studio, and Google Analytics 4. The teams I work best with have data and ambition but no roadmap to ship AI in production without breaking compliance, scale, or budget. What I build: • GPT and Claude-powered AI Chatbot Development, AI Agent Development, and LLM Integration using OpenAI API, Anthropic Claude API, Google Gemini, LangChain, LlamaIndex, and RAG with Pinecone, Weaviate, and Chroma vector databases • Machine Learning and Deep Learning models for fraud detection, demand forecasting, customer segmentation, recommendation engines, and NLP • ETL Pipelines and Data Engineering on Google BigQuery, Snowflake, Databricks, AWS, Azure, and SQL • Power BI Dashboards, Looker Studio Reports, Tableau Visualizations, and full Google Analytics 4 implementation • Python Automation, Web Scraping, API Integration, and AI Workflow Automation for scalable business processes Selected results in AI, Generative AI, and Machine Learning: • GPT-powered AI Chatbot reduced support tickets 50% in one quarter • Machine Learning microservices platform serving 2M+ users and 100M+ daily API requests • Multilingual AI Agent handling 15,000+ daily messages, lifting NPS 20 points • Deep Learning fraud detection model cut false positives 40%, preventing ~$2M in annual losses • Predictive inventory AI decreased stockouts 30% and real-time customer segmentation lifted conversion 28% • NLP-based ticket triage automation improved first-response efficiency 65% • RAG-powered AI Chatbot embedded in web apps improved conversion 42% • Real-time AI Call Center Assistant cut average handle time 35% and lifted first-call resolution 22% • Predictive AI for cell tower failures reduced emergency dispatches and improved network uptime Selected results in Data Engineering and ETL: • Migrated Data Engineering stack to Google BigQuery: 60% faster queries, 25% lower storage costs • Standardized ETL Pipelines for Data Mining and Data Annotation, increasing ML training throughput • Built feature stores and reproducible MLOps training pipelines that accelerated ML iteration • Self-correcting Data Analysis pipeline reduced reporting errors 95% • Python competitive monitoring system mining 150+ sources daily into Google Sheets and BigQuery • SQL clustering and replication deployed for 99.99% uptime on mission-critical apps Selected results in Dashboards and Business Intelligence: • Looker Studio Dashboard suite reduced delivery delays 15% • Marketing Analytics Dashboards unifying paid media, web, and CRM data in Power BI and Looker Studio • C-level KPI Dashboard pack (SQL + Google Analytics 4 + Excel) accelerating weekly decisions • Server-side Google Tag Manager implementation significantly improved GA4 accuracy • Pricing optimization engines lifted profit margins 17% • Self-serve Analytics portal with NLQ-powered Power BI reduced ad-hoc requests 55% • JavaScript bridge syncing legacy Excel models with cloud databases, saving 20 hours per week Beyond implementation, I run AI Readiness Audits for executive teams that have invested in data infrastructure but not yet seen ROI, identifying high-impact AI Agent Development and Machine Learning opportunities and translating them into a 90-day rollout plan with clear success metrics and risk gates. Tech stack: Python, SQL, JavaScript, TypeScript, AWS, Google Cloud, Azure, BigQuery, Snowflake, Databricks, dbt, Airflow, Power BI, Tableau, Looker Studio, GA4, Google Tag Manager, Excel, OpenAI API, Anthropic Claude API, Google Gemini, LangChain, LlamaIndex, Hugging Face, TensorFlow, PyTorch, scikit-learn, Machine Learning, Deep Learning, Generative AI, LLM Engineering, MLOps, NLP, ETL Pipelines, Data Mining, Data Annotation, Data Visualization, AI Integration, AI Automation, AI Agent Development, AI Chatbot Development, RAG, and Vector Databases (Pinecone, Weaviate, Chroma). Share your data sources, target metrics, and timeline. I will reply within 24 hours with a practical rollout plan covering ETL Pipeline through to production AI Integration, plus a short list of risks I see before we start. I work as a strategic partner on production AI and Data systems, not a ticket-taker.
Valletta.Software: AI Care. Fix-price projects delivery commitment
Associated with
Valletta.Software: AI Care. Fix-price projects delivery commitment
$2M+
earned
Subodh S.
$95/hr
100% Job Success
$1M+ earned
Available now
Offers consultations
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𝗜𝘀 𝘆𝗼𝘂𝗿 𝗽𝗮𝘆𝗺𝗲𝗻𝘁 𝘀𝘆𝘀𝘁𝗲𝗺 𝗰𝗼𝘀𝘁𝗶𝗻𝗴 𝘆𝗼𝘂 𝗺𝗼𝗻𝗲𝘆 𝗮𝗻𝗱 𝗰𝗮𝘂𝘀𝗶𝗻𝗴 𝘀𝗹𝗲𝗲𝗽𝗹𝗲𝘀𝘀 𝗻𝗶𝗴𝗵𝘁𝘀? Let’s turn that stress into success. With over 20 years of experience as a seasoned FinTech leader and Global CTO specializing in 𝗣𝗮𝘆𝗺𝗲𝗻𝘁 𝗚𝗮𝘁𝗲𝘄𝗮𝘆 𝗜𝗺𝗽𝗹𝗲𝗺𝗲𝗻𝘁𝗮𝘁𝗶𝗼𝗻, 𝗔𝗣𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻, and 𝗦𝘂𝗯𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻 𝗛𝗮𝗻𝗱𝗹𝗶𝗻𝗴, a proven track record awaits you. Payment systems have been built and optimized to not only meet today's demands but also scale with your business tomorrow—delivering over 𝗨𝗦𝗗 𝟮𝟬𝗠 𝗶𝗻 𝗿𝗲𝘃𝗲𝗻𝘂𝗲 𝗳𝗼𝗿 𝟭𝟬+ 𝗰𝗼𝗺𝗽𝗮𝗻𝗶𝗲𝘀 and powering 200+ successful app launches worldwide. 𝗪𝗵𝗮𝘁 𝗜 𝗕𝗿𝗶𝗻𝗴 𝘁𝗼 𝘁𝗵𝗲 𝗧𝗮𝗯𝗹𝗲: 𝟭. 𝗘𝘅𝗽𝗲𝗿𝘁 𝗣𝗮𝘆𝗺𝗲𝗻𝘁 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀: Mastery in integrating 𝗦𝘁𝗿𝗶𝗽𝗲, 𝗦𝘁𝗿𝗶𝗽𝗲 𝗖𝗼𝗻𝗻𝗲𝗰𝘁, and other payment gateway APIs, ensuring secure, efficient, and scalable payment systems. 𝟮. 𝗦𝘂𝗯𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻 & 𝗧𝗿𝗮𝗻𝘀𝗮𝗰𝘁𝗶𝗼𝗻 𝗟𝗼𝗴𝗶𝗰: Proven expertise in handling recurring payments, multi-invoice payments, partial payments, and complex scenarios like payment failures, refunds, and voiding transactions. 3. 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗟𝗲𝗮𝗱𝗲𝗿𝘀𝗵𝗶𝗽 & 𝗦𝘁𝗿𝗮𝘁𝗲𝗴𝘆: Adept at leading cross-functional teams, communicating with C-level executives, and transforming technical challenges into robust, revenue-generating solutions. 𝟰. 𝗛𝗮𝗻𝗱𝘀-𝗢𝗻 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲: Whether you’re dealing with broken software systems or planning a complete digital transformation, startups and enterprises alike have seen at least a 𝟭𝟬% 𝗶𝗺𝗽𝗿𝗼𝘃𝗲𝗺𝗲𝗻𝘁 𝗶𝗻 𝗲𝗳𝗳𝗶𝗰𝗶𝗲𝗻𝗰𝘆 𝗮𝗻𝗱 𝗽𝗿𝗼𝗳𝗶𝘁𝗮𝗯𝗶𝗹𝗶𝘁𝘆 through these solutions. 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗘𝘅𝗰𝗲𝗹𝗹𝗲𝗻𝗰𝗲 𝗶𝗻 𝗣𝗮𝘆𝗺𝗲𝗻𝘁 𝗣𝗿𝗼𝗰𝗲𝘀𝘀𝗶𝗻𝗴: Leveraging cutting-edge payment processing protocols — 𝗣𝗖𝗜-𝗗𝗦𝗦 𝗰𝗼𝗺𝗽𝗹𝗶𝗮𝗻𝗰𝗲, 𝘁𝗼𝗸𝗲𝗻𝗶𝘇𝗮𝘁𝗶𝗼𝗻, 𝗲𝗻𝗱-𝘁𝗼-𝗲𝗻𝗱 𝗲𝗻𝗰𝗿𝘆𝗽𝘁𝗶𝗼𝗻, and 𝟯𝗗 𝗦𝗲𝗰𝘂𝗿𝗲 𝗶𝗺𝗽𝗹𝗲𝗺𝗲𝗻𝘁𝗮𝘁𝗶𝗼𝗻𝘀 — ensures sensitive data is safeguarded and fraud risks are mitigated. Expertise in configuring 𝗣𝗮𝘆𝗺𝗲𝗻𝘁 𝗜𝗻𝘁𝗲𝗻𝘁𝘀, 𝗦𝗲𝘁𝘂𝗽 𝗜𝗻𝘁𝗲𝗻𝘁𝘀, and utilizing 𝘄𝗲𝗯𝗵𝗼𝗼𝗸𝘀 for real-time event handling optimizes 𝗦𝗖𝗔 flows, manages decline handling and chargebacks, and ensures seamless reconciliation across multiple payment channels. A deep understanding of card network rules, risk management strategies, and automated dunning processes guarantees that payment operations remain both resilient and highly efficient. 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 𝗶𝗻 𝗜𝗻-𝗔𝗽𝗽 𝗣𝘂𝗿𝗰𝗵𝗮𝘀𝗲 𝗛𝗮𝗻𝗱𝗹𝗶𝗻𝗴: Extensive experience with 𝗶𝗻-𝗮𝗽𝗽 𝗽𝘂𝗿𝗰𝗵𝗮𝘀𝗲 systems on both 𝗚𝗼𝗼𝗴𝗹𝗲 𝗣𝗹𝗮𝘆 and 𝗔𝗽𝗽𝗹𝗲 𝗔𝗽𝗽 𝗦𝘁𝗼𝗿𝗲 platforms complements robust payment gateway integrations. Successfully blending these in-app purchase mechanisms with 𝗦𝘁𝗿𝗶𝗽𝗲 creates a unified payment ecosystem that supports subscriptions, one-time purchases, and cross-platform transactions. Notable projects include 𝗦𝘁𝗿𝗲𝗮𝗺𝗶𝗹𝘆 and 𝗕𝗿𝗮𝗶𝗻𝗧𝗮𝗽, where in-app purchase flows were seamlessly integrated with backend payment processing to optimize revenue and enhance user experience. 𝗛𝗶𝗴𝗵𝗹𝗶𝗴𝗵𝘁𝘀: 𝟭. 𝗚𝗹𝗼𝗯𝗮𝗹 𝗜𝗺𝗽𝗮𝗰𝘁: Solutions delivered have scaled workforces and revenues — streamlining processes and reducing monthly costs dramatically (e.g., cutting costs from $𝟭𝟲𝟬,𝟬𝟬𝟬 𝘁𝗼 $𝟱𝟬,𝟬𝟬𝟬). 𝟮. 𝗥𝗲𝘀𝘂𝗹𝘁𝘀-𝗗𝗿𝗶𝘃𝗲𝗻: Engagements have doubled revenue for companies like 𝗕𝗿𝗮𝗶𝗻𝗧𝗮𝗽 and contributed to a 𝟵𝟵.𝟲% 𝗰𝗿𝗮𝘀𝗵-𝗳𝗿𝗲𝗲 𝗿𝗮𝘁𝗲, leading to over 𝟭𝟬,𝟬𝟬𝟬 𝗱𝗼𝘄𝗻𝗹𝗼𝗮𝗱𝘀 and high user ratings. 𝟯. 𝗜𝗻𝗻𝗼𝘃𝗮𝘁𝗶𝗼𝗻 & 𝗔𝗴𝗶𝗹𝗶𝘁𝘆: Continuously integrating the latest tools—from 𝗔𝗜 𝗶𝗻𝗻𝗼𝘃𝗮𝘁𝗶𝗼𝗻𝘀 like ChatGPT and DeepSeek to advanced mobile app development frameworks — ensures clients remain ahead of the curve. 𝗖𝗼𝗺𝗽𝗹𝗶𝗮𝗻𝗰𝗲 & 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆: PCI-DSS | SOC2 | HIPAA | GDPR 𝗪𝗵𝘆 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲? Partner with an expert who delivers tangible results, allowing you to focus on business growth. If you're ready to stop wrestling with payment integration issues and start experiencing streamlined, profitable operations, let's connect. Book a Consultation Today.
Rushil B.
$50/hr
100% Job Success
Available now
Offers consultations
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Microsoft Certified Professional having 10 years of proven hands on experience in full stack developmnet. ✅ Attention to smallest of details ✅ Problem solving attitude ✅ Good design patterns and best practices follower ✅ Excellent communication skills ✅ Reliable and quick turnaround time 📌 SKILLS ✔ ASP.NET Core, ASP.NET MVC, ASP.NET Web Forms, Web API, Blazor ✔ C#, VB.NET ✔ React.js, Node.js, Next.js, Redux, Angular, JavaScript, TypeScript, jQuery, Vue.js, ExtJS, Knockout.js ✔ AI/ML, Prompt Engineering (OpenAI - ChatGPT, Bard, GPT4), LLMs, STT/TTS, NLP, Computer Vision, Langchain ✔ Python (Django, Flask, DRF, FastAPI), PyTorch, TensorFlow, OpenCV, Keras, RAG ✔ Entity Framework, EF Core, Dapper, LINQ ✔ NopCommerce, Umbraco ✔ MS Dynamics CRM, Salesforce ✔ MS SQL Server, MySQL, MongoDB, Azure CosmosDB, SSIS, SSRS, SSAS ✔ Azure, Azure DevOps, CI/CD, AWS, Elastic Search ✔ HTML, CSS, Bootstrap, Responsive Web Design ✔ Automation test cases using Selenium, Cypress, Cucumber and Playwright ✔ Xamarin, Apache Cordova (Phonegap), Ionic, React Native mobile application ✔ Telerik Kendo, DevExpress/ DevExtreme, jQuery Datatable ✔ Third party API integrations like Google API, Social Media API, DocuSign, Payment Gateway ✔ Phone Call and SMS API, Twilio, SendGrid ✔ Git, BitBucket, JIRA, TFS, SVN, VSS I also have good experience working with mobile application development for iOS and Android. I am well aware of end-to-end process starting from development of mobile application to submission of final application to App Store/ Play Store. My core competency lies in complete end-to-end development and maintenance of small and large scale software development projects. I have good experience working with enterprise level n-tier, multi-tenant applications. I believe in long term business relationship that built on the basis of quality services. Thank you for taking the time to review my profile.
Yurii K.
$40/hr
100% Job Success
$100K+ earned
Offers consultations
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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.
Intelvision
Associated with
Intelvision
$100K+
earned
$20/hr
100% Job Success
$100K+ earned
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I have great experience in building small and big distributed high load applications. I can create to you high-quality and stable application using new technologies. Technical skills: ∎ ASP.NET Core + MVC | ∎ C# | ∎ VB.NET | ∎ WPF | ∎ Web API (REST/XML/JSON) |∎ Web Services |∎ Telerik & DevExpress controls| ∎ Xamarin cross-platform | ∎ LINQ | ∎ jQuery | ∎JavaScript | ∎ Angular | ∎ HTML5 | ∎ CSS3 | ∎ Bootstrap 4&5 | ∎ KendUI ∎ Database: • MSSQL Server • No-SQL (Dynamo Db, Azure Cosmos Db and MongoDB) • MySQL • SQL queries & stored procedures • Entity Framework ∎ VERSION CONTROL TOOLS: • SVN • GitHub • Bit Bucket ∎ ISSUE MANAGEMENT TOOLS: • Azure Dev Ops • Atlassian-JIRA • Trello • Wrike ∎ DEVELOPMENT TOOLS: • Visual Studio 2019+ • Sourcetree
Oleksandr S.
$28/hr
100% Job Success
$200K+ earned
Available now
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I'm a Flutter Developer with 8+ years of cross - platform mobile experience. Top Rated Plus, $200K+ earned on Upwork, 100% Job Success, ~7,900 hours logged. My contracts typically run 2+ years - I embed with the team and stay for the long haul. I've shipped across healthcare, fitness and wellness, fintech, education, and gaming. My core is Flutter and Dart (6 years), built on an earlier foundation in Xamarin and Unity, so I'm comfortable across the full mobile stack - iOS, Android, and tablets - whether I'm starting from scratch or taking over a codebase that needs rescuing. The project I'm proudest of: migrating a live enterprise app from Xamarin to Flutter in place, without a new store listing, while still shipping features and fixes on it in parallel. I naturally ended up leading that project as it went on, which is where most of my team - lead experience comes from. Across other projects, I've also worked on: - Offline-first apps - Subscriptions and ad monetization - QR code features - Backend implementation via Firebase - I owned the entire backend myself with no dedicated backend developer on the team - App performance optimization - Complex animations, including Lottie and Rive - Mobile games built in vanilla Flutter - Requirements definition and MVP delivery - App Store and Google Play releases - Pixel - perfect UI implementation On the technical side, I work with: - Languages & Frameworks: Flutter & Dart, Xamarin (C#/.NET), Unity (C#) - Architecture: Clean Architecture, SOLID, BLoC/Cubit, Provider, MVVM - Backend: Firebase - Cloud Functions, Firestore, Storage, Auth - Monetization & growth: RevenueCat subscriptions, Google AdMob, deep links - Monitoring: Sentry, Firebase Crashlytics, Analytics, Performance, Sematext - CI/CD: Azure DevOps, Bitrise, Unity Cloud Build, GitHub Actions - Low-code: FlutterFlow, including a Flutter Web project I also work AI - augmented day to day - Claude Code, Cursor, and GitHub Copilot are part of how I actually build, not just buzzwords on a profile. I keep project context files for AI tools, use AI to stress - test requirements before writing code and to generate tests alongside implementation, and it genuinely speeds up the parts of the work that benefit from it. Beyond the code, I've conducted 20+ technical interviews for Flutter roles and mentored other developers. If you need a developer who'll own the outcome and stick around for the long haul, I'd be glad to hop on a short call to talk through your project.