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I'm a Data & Business Analyst with over 4 years of experience at NatWest, one of the UK's largest banks, where I specialise in turning complex data into clear, actionable insights using SQL (Snowflake), Tableau, and AWS QuickSight. What I do best: - Build automated dashboards and reporting solutions that save time and surface real-time insights for decision-makers - Write and optimise SQL queries to extract, clean, and transform large datasets - Translate complex business requirements into clear technical solutions and visualisations - Bring a fraud and risk analytics background, having worked within NatWest's Economic Crime Hub identifying patterns and improving operational efficiency Alongside data work, I bring 5+ years of administrative and customer-facing experience from healthcare and hospitality settings, and I'm equally comfortable supporting with virtual assistant tasks, scheduling, data entry, and day-to-day admin support; bringing the same attention to detail and reliability to these tasks as I do to analytics work. I'm UK-educated, currently based in London, and open to full-time, part-time, or project-based work. I pride myself on clear communication, meeting deadlines, and delivering work that's accurate, well-presented, and genuinely useful - not just technically correct.

I help companies turn scattered data into analytics systems that teams can actually rely on — from modern dashboards and reporting layers to scalable data infrastructure and operational analytics. Over the past 5+ years, I’ve worked across SaaS, E-commerce, Finance, and Operations, helping companies build: • self-service analytics • executive reporting • ETL pipelines • anomaly detection systems • data warehouses • and scalable BI environments My focus is not just visualization — it’s building analytics ecosystems that make data easier to trust, easier to maintain, and genuinely useful for decision-making. ❤️ The part I care about most? Connecting clean infrastructure with actionable reporting. A dashboard is only useful when the underlying data model, business logic, and pipelines are reliable. What I usually help with: • Data analytics & business intelligence • Tableau, Power BI, Looker, Metabase, Microsoft Fabric • Data warehouse design & analytics architecture • ETL/ELT pipelines and reporting automation • KPI systems and operational reporting • Product, finance, and revenue analytics • Self-service analytics environments • Data quality validation and anomaly detection • Dashboard redesigns and reporting optimization Tools & Technologies: • SQL, Python • Snowflake, BigQuery, PostgreSQL • dbt, Airflow, Fivetran • Tableau, Power BI, Looker Studio • APIs, cloud data platforms, automation workflows A few things I’m proud of: • Built analytics systems used daily by 5000+ users • Worked with datasets from thousands to billions of rows • Automated reporting workflows saving teams 20+ hours weekly • Designed reporting layers and data platforms for fast-growing SaaS and E-commerce companies • Led BI migrations and large reporting restructuring projects I enjoy projects where analytics needs to scale properly — whether that means redesigning reporting architecture, cleaning up unreliable dashboards, improving data quality, or building a modern BI stack from scratch. Good analytics should not just “look nice.” It should help teams move faster, reduce operational chaos, and make decisions with confidence. Data never lies.

🏆 𝗧𝗔𝗟𝗘𝗡𝗧𝗘𝗗 𝗗𝗔𝗧𝗔 & 𝗣𝗢𝗪𝗘𝗥 𝗕𝗜 𝗦𝗣𝗘𝗖𝗜𝗔𝗟𝗜𝗦𝗧 🏆 | Power BI • API Integrations • SQL • Automation • Python • Data Engineering | Turning Complex Data into Clear Business Insights Hi, I’m Marcus, a data analyst and BI specialist with strong expertise in Power BI, data architecture, and API integrations. I help businesses transform raw, disconnected data into automated, scalable reporting solutions that drive smarter decisions. Many organisations struggle with fragmented systems and manual reporting. I specialise in connecting your data sources (including APIs, databases, and spreadsheets), building robust data models, and delivering intuitive dashboards that make insights easy to understand and act upon. Your data already contains answers, I help you unlock them. [𝗗𝗔𝗧𝗔 𝗩𝗜𝗦𝗨𝗔𝗟𝗜𝗦𝗔𝗧𝗜𝗢𝗡 & 𝗕𝗜] ✅ Power BI dashboards (end-to-end development) ✅ Data modelling (star schema, performance optimisation) ✅ DAX calculations & advanced measures ✅ Interactive executive dashboards & KPI reporting ✅ Storytelling with data & UX-focused design [𝗔𝗣𝗜 & 𝗗𝗔𝗧𝗔 𝗜𝗡𝗧𝗘𝗚𝗥𝗔𝗧𝗜𝗢𝗡𝗦] ✅ REST API integrations into Power BI, Python, and databases ✅ Automated data pipelines & scheduled refresh processes ✅ Extracting data from SaaS platforms (CRM, finance, marketing tools, etc.) ✅ ETL development using Python, SQL, and Power Query ✅ Data consolidation from multiple systems into a single source of truth [𝗗𝗔𝗧𝗔 𝗘𝗡𝗚𝗜𝗡𝗘𝗘𝗥𝗜𝗡𝗚 & 𝗔𝗨𝗧𝗢𝗠𝗔𝗧𝗜𝗢𝗡] ✅ SQL (Microsoft SQL Server & cloud platforms) ✅ Python automation & scripting ✅ Power Query (M) transformations ✅ Report automation & workflow optimisation ✅ Performance tuning & scalable architecture [𝗦𝗘𝗖𝗨𝗥𝗜𝗧𝗬 & 𝗚𝗢𝗩𝗘𝗥𝗡𝗔𝗡𝗖𝗘] ✅ Row-Level Security (RLS) implementation ✅ Secure login & access control models ✅ Data access monitoring dashboards 📂 Past Projects: ►►► marcus07957 github io ◄◄◄ 𝗛𝗢𝗪 𝗜 𝗪𝗢𝗥𝗞 ✔ Understand your business goals first ✔ Design the right architecture and data flow ✔ Build scalable, automated solutions ✔ Communicate clearly throughout the project ✔ Deliver documented, production-ready systems My focus is not just building dashboards — it’s delivering robust, secure, and maintainable data solutions that continue providing value long after the project ends. 𝗪𝗛𝗬 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗛𝗜𝗥𝗘 𝗠𝗘 ✅ Unlimited revisions ✅ Fast turnaround ✅ Clear communication ✅ Video walkthroughs & documentation ✅ Long-term reliability ✅ Client satisfaction first [𝗧𝗘𝗦𝗧𝗜𝗠𝗢𝗡𝗜𝗔𝗟𝗦] ⭐⭐⭐⭐⭐ "Marcus was hired to help absorb some additional, time critical work that was requested of my team. Marcus showed a lot of due diligence in understand the requirements of the project, regarding soft skills, he listened, took notes when necessary and was confident to question and challenge some aspects of the project. Marcus was able to deliver weekly updates in an agile way, by showing what areas he had worked on and took feedback to make changes to the end product. This was delivered with in a professional matter and he was able to go above and beyond what was expected of him. I cant recommend Marcus highly enough and as iterated before, his eye for detail and providing options helped deliver our project in a timely manner. I am very happy with the outcome and would hire Marcus again." ⭐⭐⭐⭐⭐ "I had the pleasure of working alongside Marcus, and I can confidently say he's an exceptional data analyst. His ability to quickly grasp new concepts and adapt them to the business needs very quickly made him a real asset to my team. Marcus's proactive nature is evident in his approach to every task, he anticipates needs and then takes the initiative. His passion for data analytics is contagious, driving not only his work but also inspiring those around him. Combine this with his personable nature, and you have a colleague who not only delivers excellent results but also fosters a collaborative and enjoyable work atmosphere. I highly recommend Marcus for any data-focused role." If you’re looking for someone who can connect your systems, automate your reporting, and deliver powerful insights through Power BI, I’d love to help. Let’s discuss your project. With respect, Marcus S.

⭐ Data Transformation & BI Expert | Alteryx • DOMO • Power BI • Tableau • SQL • AWS • Python With 12+ years of experience, I help companies turn raw and messy data into automated, scalable, and insight-driven solutions. I specialize in end-to-end analytics—from data extraction and ETL to visual dashboards and advanced reporting. I work with startups, agencies, and enterprises to build reliable, maintainable, and high-performing data systems using Alteryx, DOMO, Power BI, Tableau, AWS, SQL Server Management Studio, and Python. 🔧 Core Specializations ETL / Data Automation Alteryx Designer (data cleaning, blending, workflows, automation) DOMO ETL (Magic ETL, dataflows, connectors) Power Query & M Language Automated pipelines via AWS and SQL Server Agent Business Intelligence & Dashboards Power BI (DAX, data modeling, row-level security, dashboards) Tableau (calculated fields, LODs, storytelling dashboards) DOMO Dashboards (Cards, Analyzer, alerts, governance) KPI frameworks, executive scorecards, operational reports Databases & Data Engineering SQL Server Management Studio (SSMS) Advanced SQL: CTEs, window functions, procedures, indexing AWS (RDS, Redshift, S3, Glue basics) Data modeling • optimization • large dataset handling Programming & Automation Python (pandas, NumPy, automation scripts) API integration & data fetching Predictive analytics & ML (optional add-on for clients) 🚀 What I Deliver Clean, reliable, and automated data pipelines Well-structured data models optimized for BI Modern, visually compelling dashboards End-to-end analytics workflows using Alteryx / DOMO / Power BI / Tableau Fast turnaround + continuous support Clear documentation and training if needed Client Feedback Automated Business Intelligence ⭐⭐⭐⭐⭐ "Kshitiz was a great partner on our data science and analytics projects. He built insightful dashboards in Domo that provided clear and actionable business intelligence. His technical skills, problem-solving approach, and responsiveness made a real impact. Highly recommend working with him!" Tableau Developer ⭐⭐⭐⭐⭐ "We had a very positive experience working with Kshitiz. He is very hardworking, flexible, and able to grasp the requirements quickly. He has excellent Tableau development experience and expertise. It was great to leverage his skills on our project." 💎 Why Clients Choose Me 12+ years of analytics and BI experience Top Rated Plus performance Strong mix of BI + ETL + engineering + automation Ability to own projects independently end-to-end Long-term mindset with exceptional communication

Most dashboards get built once and then ignored. I build the ones leadership actually opens every morning — across energy, rail, finance, healthcare and professional services. With 13+ years in Business Intelligence, Data Engineering, and Analytics, I help organisations turn fragmented, complex data into trusted reporting, executive dashboards, and scalable analytics platforms. I pair strong business understanding with deep technical expertise in Power BI, Microsoft Fabric, Snowflake, Azure SQL, and modern data platforms — so projects get done right the first time. Whether you need executive KPI dashboards, operational reporting, finance analytics, data warehousing, or end-to-end Power BI and Fabric implementation, I turn scattered data into insight that drives better decisions. WHAT I DELIVER • Executive & board-level KPI dashboards • Power BI dashboard development & optimisation • Microsoft Fabric implementation (Lakehouse, Dataflows Gen2, Pipelines, Warehouses) • Snowflake data warehousing & data engineering • Finance & FP&A reporting (budget vs actuals, cash flow, forecasting, P&L) • Operational performance reporting & analytics • Data modelling, semantic models & advanced DAX • Automated reporting & self-service analytics • Row-Level Security (RLS), governance & workspace management • Azure DevOps CI/CD & deployment pipelines TECHNICAL EXPERTISE • Power BI (advanced DAX, Power Query, semantic models) • Microsoft Fabric • Snowflake • Azure SQL & SQL Server • Azure Data Factory • Data warehousing & ETL pipelines • Data governance & security • Azure DevOps & CI/CD • Performance tuning & incremental refresh SELECTED RESULTS • Delivered 40+ enterprise dashboards across multiple industries • Designed executive dashboards tracking 60+ KPIs across operations, finance, workforce and customer performance • Built scalable semantic models supporting 100+ business users • Delivered enterprise dashboards for 200+ trading & business users at Harbour Energy • Reduced report load times by up to 40% through model optimisation and performance tuning • Automated recurring reporting, saving 15+ hours per week INDUSTRIES • Energy & trading (Harbour Energy) • Rail & transportation (Greater Anglia Trains) • Healthcare • Finance & professional services • Construction • Retail & operations HOW I WORK ACROSS TIME ZONES Based in London — I cover UK and European business hours fully (GMT/CET) and overlap with US East Coast mornings. Flexible for calls across all zones, and US clients get overnight progress: brief me by end of your day, wake up to completed work. WHY CLIENTS CHOOSE ME 🏆 Expert-Vetted (Top 1% on Upwork) ✅ 100% Job Success Score ⭐ 5.0 client rating 💬 Known for clear communication, reliability, and delivering high-quality solutions on time If you need a Power BI, Microsoft Fabric, or Snowflake specialist who bridges the gap between business requirements and technical implementation — tell me what you're working on, and I'll reply with how I'd approach it.

Business Intelligence Developer/Analyst/Engineer/Consultant, specialising in Fabric and Power BI. I have over 12 years of experience developing end-to-end reporting, ETL, and analytical solutions; predominantly in financial environments. At present I work exclusively in the Contract and Freelance space. My primary expertise is instilling transformation and enablement of a firm’s BI functions via Power BI. This can take the form of a new PBI rollout, a generalised review of source to target workflows, evolving semantic modelling and integration approaches, or simply upskilling the incumbent team in design, process, and best practices with the MS BI Stack. Over the last year I have worked intensively with Fabric, the next generation of the MS BI Stack. At time of print I am wrapping up on my first full Fabric implementation with my current client; and having found it to be a rare case of an incipient product actually living up to its hype, I am in a position to offer a comprehensive consultation for the onboarding or enrichment of MS Fabric. On the DB/DWh side, I have extensive knowledge and experience within TSQL, MySQL and PostgreSQL environments. I can build complex and optimised Stored Procedures, Views and queries for implementing business logic and processes into the backend, for data extraction, and for reports. I’m well versed with Window functions, Cursors, Indexing, CTEs and Temp Tables. I should also add that Roche’s Maxim is a hill that I am prepared to die on.