Hire the Best Microsoft Power BI Specialists
in Turkey

Data Analytics Expert | Power BI & Excel Dashboards, Automation & Data Storytelling Specialist I provide ongoing support after project delivery to ensure your dashboards and Excel solutions continue to run smoothly and deliver value. I am a Data Analytics Expert with 7+ years of experience helping organizations and businesses unlock the full potential of their data. Using Power BI and Excel, I transform raw data into interactive dashboards, automated reports, and actionable insights that drive smarter decisions. ✅ What Sets Me Apart : *Advanced proficiency in Power BI, Excel, Power Query, Power Pivot, DAX, and complex formulas. *UX/UI-focused dashboard design for clarity, usability, and impact. *Real-world experience in business, humanitarian, and nonprofit sectors, delivering actionable insights and efficient data solutions. *Commitment to partnership and ongoing support, not just one-time delivery. 📊 Services I Provide : *Dashboards & Reporting : -Interactive dashboards in Power BI & Excel with slicers, filters, drill-downs, and dynamic KPIs. -Time intelligence metrics (MTD, YTD, MoM, YoY, Actual vs Budget). -Visual storytelling for easy-to-understand, decision-focused insights. *Data Automation & Transformation : -Data cleaning and shaping with Power Query. -Automated workflows that reduce manual effort and errors. -Integration of multiple data sources into a single model. *Advanced Analysis : -Cohort analysis, customer behavior, and retention insights. -Forecasting, scenario modeling, and trend analysis. -Complex formula design for business-specific needs. 🏆 Why Clients Hire Me : *Efficiency & Accuracy: I deliver tools and dashboards that streamline workflows and reduce errors. *Tailored Solutions: Every project is customized to meet your unique data needs. *Partnership Approach: I ensure ongoing support so your data solutions continue delivering results. 🚀 Let’s work together to turn your data into actionable insights—whether you need interactive dashboards, automated reporting systems, or advanced data analysis, I’ll help you achieve it.

I am a Principal Software Engineer with 13 years of technical and managerial experience. I have great design and development skills. My expertise is mainly in these areas: PowerBI, Tableau, SSIS, Knime, SQL, ETL, RPA, PowerApps, Power Automate, PowerPoint, Mobile Development, Flutter, Dart, OOP, Frontend and Backend Development, Java, C#, .NET, Entity Framework, Bubble. My key responsibilities are: ☑️ Data Analysis and Visualization: - Analytical Dashboards building and development with a professional design - Data transformation and creating complex SQL solutions - Building and Development Predictive/Classification/Scoring Models (including machine learning techniques) - Financial Analysis ☑️ Business process development and automatization - Reporting tools building and development - Data processing (ETL), Data manipulation, database cleansing - RPA ☑️ Excel and PowerPoint - Expert level: - Excel formulas, macros - Power Queries, Power Pivots, and DAX formulas - Professional PowerPoint Presentations I'm trying to provide the best possible solutions for my clients. I promise you will be happy to work with my team and me. Thank you for showing interest in my profile.

I am a data analyst with experience building KPA and user-friendly dashboards. I am here to prepare your dream dashboards with 📊 BI / Visualization: PowerBI, Excel Also experienced in Data Engineering tools ✔️ Data source & API integrations from any third-party tools like Salesforce, Shopify, Zendesk, HubSpot, Microsoft Business Central, AppAnnie, or open-source tools like OpenStreetMap. ✔️ Developing optimized, fast, and interactive dashboards with PowerBI and Excel. ✔️ Tech, Mobility, Media, E-commerce sector knowledge. ✔️ Creating and automating data pipelines & ETL processes ⚙️ Programming Languages & Frameworks: Python(pandas, NumPy, Seaborn) SQL, Apache Hive, Apache Spark, Apache Hadoop, Apache Airflow ☁️ Cloud: AWS & Azure 👨‍💻 Databases: Redshift, SQL Server, RDS, MySQL, S3, Azure SQL DB

🏆 Expert Power BI Dashboard Developer 🥇 6+ Years of experience 🔥 40+ Dashboards 🚀 5+ Data Analysis automated solutions 🔥15+ Machine learning model Hi, I’m Abdurrahman Salih. I’m an experienced Data Analyst and Business Intelligence Consultant specializing in transforming complex data into actionable insights. With a robust skill set in Power BI, Python, Excel, and SQL/No-SQL. I create Automated Analytical Solution dashboards and reports that drive informed decision-making and optimize business processes. LICENSES ✅ Power BI Data Analyst Associate – Microsoft ✅ Data Analyst professional certificate - IBM ✅ Data Science professional certificate - IBM ✅ Machine Learning professional certificate - IBM ✅ Excel Power Tools for Data Analysis - MACQUARIE University Expertise: ✅ Data Visualization and Dashboard Design 1️⃣ Creating intuitive and interactive dashboards with advanced visuals. 2️⃣ Proficient in DAX and M for data manipulation and transformation in Power BI. 3️⃣ Skilled in leveraging Tableau's advanced features for impactful visual storytelling. ✅ Data Analysis and Insights 1️⃣ Conducting comprehensive data analysis to derive actionable business insights. 2️⃣ Identifying trends, opportunities, and performance improvement areas. ✅ Data Integration and ETL 1️⃣Integrating data from diverse sources (Excel, SQL, APIs, etc.). 2️⃣ Utilizing Power Query and Tableau Prep for seamless data transformation and integration. ✅ Custom Visuals and Advanced Features 1️⃣ Developing custom visuals to meet specific client requirements. 2️⃣ Implementing security measures, including row-level security and data alerts. ✅ Performance Optimization 1️⃣ Enhancing the performance of dashboards by optimizing data models and visuals. 2️⃣ Ensuring a seamless and efficient user experience. ✅ Documentation and Training 1️⃣ Providing detailed documentation for dashboard usage and maintenance. 2️⃣ Conducting training sessions to empower clients to leverage their data tools effectively. ✅ Predictive Analytics and Modeling 1️⃣Developing predictive models. 2️⃣Applying statistical techniques and machine learning. ✅ Performance Metrics and KPIs 1️⃣ Defining and tracking KPIs. 2️⃣Designing metrics aligned with business goals. ✅ Strategic Business Consulting 1️⃣ Advising on data-driven strategies. 2️⃣Aligning insights into business objectives. Looking forward to supporting you and your organization in achieving your objectives 😊

Upwork Profile Overview: I'm a seasoned Business Intelligence (BI) and Data Analyst with extensive hands-on experience in leveraging Microsoft Power BI, SQL Server, Python, and Azure technologies to transform complex data into clear, actionable insights. I currently work at Gunvor Group Ltd, where my role involves designing intuitive data visualizations and automating analytical workflows, significantly impacting strategic decision-making across the organization. Core Skills & Strengths: Microsoft Power BI (Certified Data Analyst Associate) Microsoft Fabric Analytics (Certified Engineer Associate) SQL Server (Advanced querying, optimization, data modeling) Python (Data Science, Automation, ETL processes) Microsoft Azure, Power Automate & Power Apps Expertise in Data Analysis, Modeling, and Visualization Professional Experience Highlights: BI Data Analyst at Gunvor Group Ltd. (Aug 2023 - Present) Develop and optimize BI solutions using Power BI and SQL, focusing on data-driven strategies, automation, and insightful visualizations that facilitate informed business decisions. Business Intelligence Developer at A101 Yeni Mağazacılık A.Ş. (Dec 2021 - Aug 2023) Created robust BI systems, dashboards, and automated reporting tools enhancing operational efficiency and enabling proactive business management. Software Development Engineer Intern at Digitalcake (Belgium) (Jul 2021 - Sep 2021) Gained valuable international experience in software development, focusing on enhancing digital marketing solutions through software engineering best practices. Education: Yıldız Technical University Bachelor’s Degree in Computer Engineering Strong academic foundation supporting advanced analytical and programming capabilities. Certifications: Microsoft Certified: Fabric Analytics Engineer Associate Microsoft Certified: Power BI Data Analyst Associate Databases and SQL for Data Science with Python (Honors) Python Project for Data Science Data Science Methodology and Tools I am passionate about creating solutions that translate data complexities into impactful business decisions. My approach blends technical precision with creative problem-solving, making me a versatile partner in any data-intensive project. Feel free to reach out to discuss how I can add value to your next project!

Microsoft Certified ( MOS-211, PL-300 ) 𝒀𝒐𝒖𝒓 𝑷𝒐𝒘𝒆𝒓 𝑩𝑰 𝑹𝒆𝒑𝒐𝒓𝒕𝒔 𝑺𝒉𝒐𝒖𝒍𝒅𝒏’𝒕 𝑱𝒖𝒔𝒕 𝑳𝒐𝒐𝒌 𝑮𝒐𝒐𝒅—𝑻𝒉𝒆𝒚 𝑺𝒉𝒐𝒖𝒍𝒅 𝑷𝒆𝒓𝒇𝒐𝒓𝒎 𝑩𝒓𝒊𝒍𝒍𝒊𝒂𝒏𝒕𝒍𝒚. Struggling with slow reports, inefficient data models, or complex DAX calculations? I help businesses build optimized, scalable, and high-performance Power BI solutions that transform raw data into actionable insights. 𝔸𝕓𝕠𝕦𝕥 𝕄𝕖 Hi, I’m Nazmul Islam—a Microsoft Power BI expert with deep expertise in: ✅ Data Modeling – Optimizing relationships, star schema design, and performance tuning ✅ Power Query & ETL – Automating data extraction, transformation, and loading ✅ DAX Calculations – Writing complex measures for KPIs, trend analysis, and aggregations ✅ Interactive Visualizations – Designing dynamic dashboards with slicers, drill-throughs, and tooltips ✅ Custom Visuals – Enhancing insights beyond default charts with Deneb, Charticulator, and Python/R visuals ✅ Report & Model Optimization – Reducing file size, improving refresh speed, and streamlining performance ✅ Automation & Integration – Power Automate, paginated reports, and embedding solutions 𝕊𝕖𝕣𝕧𝕚𝕔𝕖𝕤 𝕀 𝕆𝕗𝕗𝕖𝕣 🔹 End-to-End Power BI Development – From data ingestion to final interactive reports 🔹 Data Cleaning & Transformation – Power Query automation to prepare clean, structured datasets 🔹 Advanced DAX Measures – Custom calculations for in-depth analysis and business logic implementation 🔹 Schema Design & Optimization – Building efficient data models with best practices 🔹 Power BI Embedded Solutions – Integrating reports into web apps or enterprise systems 🔹 Performance Tuning – Optimizing queries, data models, and report refresh times 🔹 Training & Consultation – Helping teams master Power BI for self-service analytics 𝕎𝕙𝕪 𝕎𝕠𝕣𝕜 𝕎𝕚𝕥𝕙 𝕄𝕖? ✅ Expert-Level Power BI Knowledge – Crafting well-structured, high-performance reports ✅ Scalable & Future-Proof Models – Ensuring flexibility for evolving business needs ✅ Optimized Dashboards – Clean, fast, and easy-to-use Power BI reports ✅ Clear Communication & On-Time Delivery – Regular updates with a streamlined workflow 𝕄𝕪 ℙ𝕣𝕠𝕔𝕖𝕤𝕤 📌 Consultation – Understanding your business needs and data challenges 🛠️ Model & Report Development – Structuring the data and crafting insights-driven dashboards 🚀 Final Optimization & Handover – Ensuring performance and user-friendly navigation 📩 Let’s build a powerful Power BI solution for your business. Click “Send Message” to get started!