Hire the Best Microsoft Developers
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Randika Chandimal N.

Matara, Sri Lanka

$45/hr
5.0
94 jobs

🏆 🏆 100% Client Satisfaction🏆 🏆 I am a highly multi-skilled professional with a Bachelor's Degree in Business Management and over 7 years of exclusive experience working with QuickBooks/ERP. I offer comprehensive accounting and bookkeeping services to help your company achieve its financial goals. My expertise includes financial analysis, forecasting, budgeting, retroactive bookkeeping, clean-up, new account set-up, monthly bookkeeping maintenance, payroll processing, accounts receivable/payable, bank reconciliation, journal entries, monthly/annual financial reporting, and month-end/year-end closings. Seeking a position where I can fully utilize my proficiency in Data visualization (Power BI, Tableau, Looker), Data Analytics, Data Processing, Automation, Presenting, Design, and creativity to produce accurate, high-quality work for clients in a time-efficient manner. I am detail-oriented, reliable, an excellent problem solver, and available immediately to start your project. I pay meticulous attention to client satisfaction as the key to success. 📌 Qualifications: ✅ B.Sc. Management (Special) graduate ✅ 7+ years of experience in Accounting, Bookkeeping, Data Processing, Data Analytics, Data Visualization, Automation, and Presenting. I am eagerly awaiting your kind consideration and the opportunity to build a strong relationship."

  • Tableau
  • Data Analysis
  • Microsoft Power BI
  • Data Entry
  • Microsoft Word
  • Looker
  • Dashboard
  • Microsoft Excel
  • Data Visualization
  • Power Query
  • Microsoft Power Automate
  • Bookkeeping
  • Microsoft PowerApps
  • Microsoft PowerPoint
  • UI/UX Prototyping
Lahiru B.

Matale, Sri Lanka

$15/hr
4.9
18 jobs

Did you know businesses lose 30–40% of productive hours to tasks that AI Agents can handle automatically 24/7, without error, without overtime? I build production-grade AI Agent systems that eliminate manual work, automate complex workflows, and integrate directly into your existing tools and operations. From LangGraph multi-agent pipelines to n8n automation and real-time voice agents — everything I deliver goes into production, not just a demo. 100% Job Success Score · Top Rated on Upwork · 10+ production deployments across real estate, healthcare, SaaS, and service businesses. ✅ What You'll Gain by Working With Me: 💰 Cut Operational Costs Replace expensive manual workflows with AI agents that scale. My systems reduce support overhead, automate lead handling, and eliminate data entry — while improving speed and accuracy across your operations. ⏱ Save Your Team Hundreds of Hours Free your team from repetitive tasks. My agents handle customer queries, document search, lead qualification, appointment booking, and CRM updates — instantly and accurately, around the clock. 📈 Scale Without Hiring AI agents operate 24/7 without fatigue. Scale your support, sales, and operations withoutincreasing headcount or overhead. 🎯 Smarter Customer Experiences Deploy always-available AI agents that give your customers real-time answers, handle inquiries, and guide them through your process — with zero wait time. 🔄 Deep Integrations, Not Just Chatbots I connect your AI agents directly to your CRM, APIs, databases, and internal tools — so everything runs seamlessly in the background without manual handoffs. 🧠 What I Build: AI Agent Systems (LangGraph) Multi-step agentic workflows with tool routing, memory, and real API integrations — far beyond simple chatbots RAG Knowledge Agents Agents trained on your documents, FAQs, and databases that retrieve accurate answers instantly Workflow Automation (n8n · Make) End-to-end pipelines connecting your tools, CRM, webhooks, and APIs with zero manual intervention Voice AI Agents (Retell AI · Vapi · Twilio) AI phone agents that answer calls, qualify leads, book appointments, and trigger follow-up actions automatically WhatsApp & Messaging Agents AI agents connected to WhatsApp Business API, Telegram, and Slack — handling inquiries, orders, and support CRM Automation (GoHighLevel · HubSpot) Smart lead routing, pipeline management, follow-up sequences, and contact syncing running automatically 🛠 Tech Stack: Agents & AI: LangGraph · LangChain · OpenAI API · RAG pipelines · Prompt Engineering Automation: n8n · Make · Zapier · Webhooks Voice: Retell AI · Vapi · Twilio · LiveKit · ElevenLabs · WebRTC Messaging: WhatsApp Business API · Telegram · Slack Backend: Python · FastAPI · Supabase · PostgreSQL CRM: GoHighLevel · HubSpot · Salesforce 📊 Results From Real Deployments: ✅ LangGraph AI Agent: Automated 7-intent WhatsApp ordering system for a restaurant client zero manual order handling ✅ Voice AI Pipeline: Built self-hosted voice agent at $0.02/min vs $0.08–$0.10/min with third-party providers — 75% cost reduction for the client ✅ RAG Knowledge Agent: Deployed on cloud platform reduced internal query resolution time by 60% ✅ Outbound Voice Agent: Built AI staffing pipeline that autonomously contacts candidates qualifies them, and updates CRM — replacing 40+ hours/week of manual outreach ✅ Computer Vision Pipeline: Real-time YOLO-based detection system deployed on edge hardware for industrial monitoring 💼 Who I Work Best With: Startups building AI-first products or MVPs SaaS companies adding LLM features to existing platforms Service businesses automating sales and support ops Agencies needing white-label AI agent builds Founders who want production systems, not prototypes 📦 What You Get: Custom AI Agent built specifically for your use case Clean, documented, production-ready code Full integration with your tools, APIs, and workflows Testing with your real data before handoff Deployment-ready — hosted or self-hosted Optional ongoing support and optimisation 🚀 Let's Build Your AI Agent System Whether you need a LangGraph agentic workflow, an n8n automation pipeline, a RAG knowledge base, or a voice AI agent — I'll design and deploy a system that delivers real, measurable business impact. 📩 Send me a message or click "Invite to Job" let's talk about what we can automate for you. AI voice agent development, AI voice agents, custom AI voice agents, AI phone agents, conversational AI, voice AI development, AI call automation, AI IVR systems, Twilio voice, Twilio IVR, Twilio automation, Retell AI, Retell AI development, Vapi AI, Vapi voice agents, LiveKit voice AI, WebRTC voice agents, real-time voice AI, AI receptionist systems, Claude Code, Claude Code automation, Claude Code AI agents, Claude Code workflows, Claude Code prompt engineering, Claude Code integrations, Claude Code API integration whatsapp bot

  • Machine Learning
  • Deep Learning
  • NLP Tokenization
  • Computer Vision
  • Chatbot
  • LLM Prompt
  • MLOps
  • Python
  • OpenCV
  • TensorFlow
  • C++
  • Natural Language Processing
  • Data Analysis
  • Microsoft Excel
  • Artificial Intelligence
Tilanka K.

Morawaka, Sri Lanka

$20/hr
4.6
82 jobs

Experienced Developer Specializing in Scalable Web and Desktop Applications Seeking Engaging Challenges With over 8 years of dedicated experience in backend programming, I bring expertise in C#, .NET, and core frameworks. My focus is on crafting robust, efficient solutions using design patterns and best practices, resulting in clean, well-documented code. My project portfolio spans various domains: • Desktop Applications: Proficient in leveraging C# and .NET to develop high-performing desktop solutions. • Web Development: Skilled in creating ASP.NET MVC / Blazor web applications using .NET Core and Python Flask. • Web APIs using ASP.NET MVC and Python Flask. • Office Customization: Extensive experience in Microsoft Office customization using VBA , VSTO, and JavaScript. I've developed numerous Office Add-ins for Excel, Word, PowerPoint, and Outlook. • Database Development: Proficiency in designing and administering databases, including data warehousing using SSIS. Skilled in T-SQL query writing, performance optimization, and creating procedures, functions, views, and triggers for large-scale databases. • Debugging and Optimization: Capable of adeptly debugging and fixing issues to ensure seamless functionality. • Google sheets customization • IOT development I pride myself on delivering highly organized, maintainable code that adheres to industry standards. Whether your project requires urgent attention or long-term dedication, I'm committed to delivering optimal solutions that guarantee maximum client satisfaction. Let's collaborate to achieve your development objectives." ✅ Languages I am fluent in • C# • Python • T-SQL • VB.Net • VBA • JavaScript • Node.js • C++ • C • Embedded C ✅ Tools and Technologies Familiar With ✅ Web development 🔹 Web API development: C#, .NET 10/9 and 8, ASP.NET Core, Python, Flask, REST 🔹 Full stack web development Using Blazor, ASP.Net MVC ✅ 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 🔹 Dapper 🔹 Entity Framework 🔹 MSSQL server 🔹 SSRS 🔹 SQLite 🔹 MySql ✅ 𝐂𝐥𝐨𝐮𝐝 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 🔹 Azure cloud 🔹 AWS 🔹 Google sheets 🔹 Firebase ✅Why Choose Me? ✔ 8+ Years of .NET Development Experience Extensive experience building enterprise applications using C#, ASP.NET Core, Blazor, Web APIs, SQL Server, Azure, and AWS. ✔ Strong Backend & Database Expertise Skilled in designing scalable architectures, optimizing SQL queries, developing APIs, and integrating complex business systems. ✔ Business-Focused Solutions I don't just write code—I understand business requirements and deliver solutions that improve efficiency, automation, and user experience. ✔ Clean, Maintainable Code I follow industry best practices, clean architecture principles, and coding standards to ensure long-term maintainability. ✔ Full Project Lifecycle Experience From requirements gathering and database design to deployment and support, I can handle projects from start to finish. ✔ Reliable Communication Regular updates, clear communication, and quick responses throughout the project to ensure transparency and smooth collaboration. ✔ Problem Solver Experienced in troubleshooting complex issues, improving performance, and modernizing legacy applications. ✔ On-Time Delivery Committed to meeting deadlines while maintaining high-quality standards and attention to detail.

  • Blazor
  • .NET Core
  • ASP.NET MVC
  • C#
  • Web API
  • Microsoft SQL Server Programming
  • RESTful API
  • Microsoft Office
  • Database Programming
  • Relational Database
  • Microsoft Azure
  • Excel Macros
  • Microsoft Excel
  • Python
  • Entity Framework
  • Web Application
  • Firebase
  • Google Sheets Automation
  • Full-Stack Development
  • CRM Development
HINIDUMA LIYANAGE N.

wanduraba, Sri Lanka

$25/hr
4.0
36 jobs

am a professional software engineer & D365 F&O ERP consultant with a sound IT background and wide range of working experience (20 Years) related to the design, development and implementation of ERP, CRM and CMS solutions. Visionary Leader Driving Global Digital Transformation As the CEO of RnR Solution, I bring over two decades of profound expertise as a professional Software Engineer and ERP Consultant, coupled with a robust IT background. My career spans across the design, development, and implementation of transformative technology solutions encompassing ERP, CRM, CMS, Mobile, AI/ML, and IoT domains. With a track record of contributing to major ERP solutions such as IFS, SAP, JDE Edwards, and Microsoft Dynamics AX/D365 FO, I have cultivated invaluable insights and skills. Professional Journey: Extensive ERP Expertise: With over 15 years of hands-on experience in Dynamics AX & D365FO, I have navigated diverse roles including Developer, Tech Lead, Service Delivery Manager, Techno-Functional Consultant, SCM Functional Consultant, and ERP Project Manager. My contributions have been pivotal in spearheading over 15 end-to-end implementation projects across a multitude of industries spanning Apparel, Furniture & Steel Manufacturing, Ship Services, Automobile, Medical & Pharmaceutical, Oil & Gas, Real Estate, F&B, and Retail sectors. Global Operations Management: Adept at managing overseas operations in key markets such as the UK, USA, Canada, Australia, Singapore, Malaysia, Saudi Arabia, Cambodia, Mexico, and Vietnam, I ensure seamless project execution and client satisfaction on a global scale. Entrepreneurial Endeavors: In 2017, I embarked on the entrepreneurial journey by founding RnR Solution, aimed at providing digital transformation services to Small and Medium Enterprises (SMEs) worldwide. Under my leadership, RnR Solution has emerged as a frontrunner in managing digital transformation journeys for numerous clients globally, offering round-the-clock services on a 24x5 basis. Currently, RnR Solution serves as a home to a dedicated team of 10-12 permanent staff members, supplemented by a network of contractors and freelancers. Driving Innovation: At RnR Solution, we are committed to pushing the boundaries of innovation. We heavily invest in developing cutting-edge Artificial Intelligence solutions tailored for agrotech, facility management, education, and healthcare sectors. Our ISV solutions have garnered significant traction in the Microsoft marketplace, positioning us as pioneers in the industry. Furthermore, I actively champion the adoption of IoT and ML technologies to empower labor-intensive industries and foster sustainable practices in renewable energy generation methodologies. Leadership Philosophy: My leadership ethos revolves around fostering a culture of innovation, collaboration, and excellence. I am driven by a relentless pursuit of challenges, coupled with a commitment to harnessing innovation, courage, and hard work to drive meaningful change. Future Outlook: As CEO of RnR Solution, my mission is to continue driving the company towards unparalleled growth and success, leveraging our expertise to deliver transformative solutions that empower businesses globally and make a positive impact on society.

  • Python
  • PHP
  • Microsoft SharePoint Development
  • Microsoft SQL SSAS
  • Enterprise Resource Planning
  • Microsoft Dynamics Development
  • SQL Server Integration Services
  • Microsoft PowerApps
  • Microsoft Power BI Data Visualization
  • Microsoft Dynamics ERP
  • ASP.NET
  • JavaScript
  • OpenCV
  • Microsoft Visual Studio
  • Microsoft Power BI
Ishan A.

Matara, Sri Lanka

$5/hr
4.9
79 jobs

Power BI Specialist | Excel Automation | SQL & R/Python Analytics | Data Visualization Expert Transforming raw data into powerful insights with Power BI dashboards, DAX, and Power Query. I design intuitive, interactive reports that drive smarter decisions and business growth. Beyond Power BI, I bring advanced skills in Excel automation (VBA & formulas), SQL database design (MySQL, Access), and statistical analysis (R, Python, SPSS, Minitab, ggplot)—ensuring end-to-end data solutions from storage to visualization. Passionate about crafting data-driven stories, I help organizations uncover trends, solve challenges, and act with confidence. I can do your work more accurately and effectively, because I am a graduate in BA. Statistics in Sabaragamuwa university of Sri Lanka. Introduction to statistics • Data Analysis & Visualization with Power BI (interactive dashboards, Power Query, DAX, automation) • Analysis using EXCEL, SPSS, Eviews, MINITAB, Power Bi, R Programing, Python & R Studio, Access, MySQL • Descriptive statistics (mean, median, mode, variance, standard deviation) • Graphs including (Bar chart, Pie chart, Histogram, Scatter diagram) Also I do Analytics/ Dynamic / interactive dashboard Excel, R , Python and Power Bi Programming using python and R - Regression( linear \ logistics, ponominal), Machine learning, Deep learning, Supervise learning & unsupervised learning like as Decision tree, random forest, clustering, classification, svm and Time series analysis. • Hypothesis testing • T-test (one & two sample t-test) • Chi-square test, Goodness of fit test of independent • Confidence interval estimation • Probability, correlation and regression analysis • Unit Root test • Stationery Test • Design of experiments (ANOVA & factorial design) • Non parametric test • Excel and power bi Dashboard • Apply formulas/Advance Filter • Spreadsheet Excel data entry and formatting • Conditioning Formatting • Removing duplicates in MS Excel • All other statistics mathematics & data analysis So why are you waiting for? Feel free to contact me in anytime.... Thank you....

  • Microsoft Excel
  • Data Analytics
  • Data Visualization
  • Microsoft Power BI
  • Microsoft Power BI Development
  • Microsoft Power BI Data Visualization
  • RStudio
  • ETL
  • Power Query
  • SQL
  • Statistics
  • Quantitative Analysis
  • IBM SPSS
  • Statistical Analysis
  • Survey Data Analysis
Malki G.

Ratnapura, Sri Lanka

$10/hr
5.0
27 jobs

Are you looking for data-driven insights and intelligent AI solutions that drive business growth and operational efficiency? I’m a versatile Data Analyst and AI Agent Developer with hands-on expertise in Python, R, Power BI, and LLM-based applications. I specialize in transforming raw data into actionable insights and building intelligent, retrieval-augmented agents that deliver meaningful user experiences. - Recent Work Highlight: Built a Medical Q&A Agent using RAG, combining LangChain, Pinecone, Hugging Face embeddings, and OpenAI’s GPT models, deployed via Flask. This project helped me dive into vector databases, semantic search, and the intersection of data pipelines with large language models. - What I Can Do for You: Build interactive Power BI dashboards to monitor KPIs and business trends Clean, transform, and analyze data using Python (Pandas, NumPy, Matplotlib, Seaborn) Perform statistical modeling and forecasting with R Develop intelligent AI agents using LangChain, LLMs, and vector databases Automate analytics workflows and data pipelines for real-time insights Query and optimize performance in relational databases using SQL Deliver data storytelling that engages and informs business decisions - Tools & Technologies: Languages: Python, R, SQL, DAX Visualization: Power BI, matplotlib, seaborn, ggplot2 Data Processing: Pandas, NumPy, Excel AI/ML Tools: LangChain, Hugging Face, OpenAI, Pinecone Web/App: Flask Automation: Python scripting, Power Automate -My Background: From enterprise dashboards to AI-powered agents, I bring a cross-functional skillset in analytics, automation, and applied AI. Whether it's streamlining reporting or creating intelligent systems, I help teams unlock value from complex data. - Let’s talk about how I can bring clarity to your data or build your next smart assistant!

  • Python
  • Statistics
  • Microsoft Excel
  • Data Analysis
  • Google Docs
  • Chatbot Prompt
  • Chatbot
  • AI Agent Development
  • Retrieval Augmented Generation
  • Flask
  • Dialogflow
  • OpenAI API
  • n8n
  • Microsoft Power BI
  • FastAPI

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