Hire the Best Snowflake Freelancers in California

Most companies don’t have a data technology problem. They have a data strategy, architecture, and execution problem. Your CRM, ERP, application databases, financial systems, marketing platforms, and operational tools contain valuable data—but they don’t work together. Reporting is slow, KPIs aren’t trusted, and leadership wants to use AI but isn’t sure whether the underlying data is ready. That’s where I help. My name is Franck Leveneur. 𝗜 𝗯𝗿𝗶𝗻𝗴 𝟯𝟬+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗵𝗮𝗻𝗱𝘀-𝗼𝗻 𝗱𝗮𝘁𝗮𝗯𝗮𝘀𝗲 𝗮𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲. Since 2018, I've taught Data Management at the UCLA Anderson School of Management for the Master of Science in Business Analytics (MSBA) program. I founded Data-Sleek in 2020 as a boutique consulting firm built around this exact gap in the market. On Upwork, we've earned over $𝟓𝟎𝟎,𝟎𝟎𝟎 𝐚𝐜𝐫𝐨𝐬𝐬 𝟏𝟑𝟗 𝐜𝐨𝐦𝐩𝐥𝐞𝐭𝐞𝐝 𝐣𝐨𝐛𝐬. Clients consistently tag my work as "Committed to Quality," "Solution Oriented," and "Clear Communicator." When you work with me, you're not getting a junior freelancer learning on your dime; you're getting a 𝐛𝐚𝐭𝐭𝐥𝐞-𝐭𝐞𝐬𝐭𝐞𝐝 𝐯𝐞𝐭𝐞𝐫𝐚𝐧 who has built data ecosystems for high-growth companies like Numerade, Digital Asset Research, and Johns Hopkins, among 15+ others. ──────── 🚨𝐓𝐇𝐄 𝐏𝐑𝐎𝐁𝐋𝐄𝐌 𝐖𝐄 𝐒𝐎𝐋𝐕𝐄 Your company has data - a lot of it. But: 1. Your systems don't talk to each other (ERP, CRM, EHR, TMS - all siloed) or you don’t know where to start Comment end 2. KPI reporting takes too long, and nobody quite trusts the numbers 3. You want to use AI and predictive analytics, but your data isn't ready 4. You've tried BI tools. You still don't have real answers. This is not a tool problem. It's a foundation problem. And that's exactly what we fix. 🚀 𝐇𝐎𝐖 𝐖𝐄 𝐖𝐎𝐑𝐊 - 𝐓𝐇𝐄 𝐅𝐎𝐔𝐑-𝐏𝐈𝐋𝐋𝐀𝐑 𝐅𝐑𝐀𝐌𝐄𝐖𝐎𝐑𝐊 We guide clients through a structured data journey. You can engage at any stage: 1. Data Strategy (Discovery & Alignment, optional but recommended) Data inventories, AI readiness assessments, architecture design, and strategic roadmaps. 2. Data Centralization (Integration & Governance) Single source of truth via Snowflake, BigQuery, or Redshift connected through Fivetran and governed pipelines. 3. Data Transformation (Modeling & Preparation) dbt consulting, semantic layers, and ETL/ELT pipelines that model your data for analysts and AI. 4. Data Activation (Insights, Prediction & AI) BI, Tableau dashboards, predictive analytics, and ML wherein raw data turned into real business outcomes. DATA WAREHOUSE CONSULTING SERVICES Struggling with complex data warehousing projects can hinder your company’s ability to scale. Our data warehouse consulting services are tailored to address your business’s data needs. 🙅🏼‍♂️ 𝐃𝐀𝐓𝐀𝐁𝐀𝐒𝐄 𝐄𝐗𝐏𝐄𝐑𝐓𝐈𝐒𝐄 - 𝐓𝐇𝐄 𝐓𝐇𝐈𝐍𝐆 𝐌𝐎𝐒𝐓 𝐂𝐎𝐍𝐒𝐔𝐋𝐓𝐀𝐍𝐂𝐈𝐄𝐒 𝐂𝐀𝐍'𝐓 𝐃𝐎 Unlike modern data stack consultancies that only know cloud tools, we know how the underlying transactional systems actually work. I have 15+ years as a Senior MySQL DBA and deep expertise across: ➝ MySQL & AWS Aurora ➝ PostgreSQL ➝ ClickHouse ➝ MS SQL Server ➝ SingleStore Performance tuning, partitioning, replication, and scaling, not just dashboards on top of messy data. 🏭 𝐈𝐍𝐃𝐔𝐒𝐓𝐑𝐈𝐄𝐒 𝐖𝐄 𝐒𝐏𝐄𝐂𝐈𝐀𝐋𝐈𝐙𝐄 𝐈𝐍 ➔ Construction ➔ Healthcare ➔ Higher Education ➔ Insurance ➔ Transportation ➔ SaaS ➔ EdTech ➔ FinTech We have dedicated playbooks, industry-specific data models, and named case studies in each. If your company is in one of these five, we've already solved your problem before. 💯 𝐏𝐑𝐎𝐕𝐄𝐍 𝐑𝐄𝐒𝐔𝐋𝐓𝐒 🏆 Johns Hopkins (Higher Education): Data warehouse architecture consulting reduced reporting time by 40% and increased data accuracy by 35% within the first year. 🏆 Numerade (EdTech): Redesigned database schema and ETL processes - query times dropped from several minutes to sub-second, system outages eliminated, scaled to unlimited concurrent users, subscriber growth followed. 🏆 Digital Asset Research (FinTech/Crypto): Built a real-time ingestion pipeline handling 40 million rows daily (250M+ trades). Client expanded their client base by 600% and captured the largest market share in their category. 💡 𝐀𝐈 𝐑𝐄𝐀𝐃𝐈𝐍𝐄𝐒𝐒 𝐀𝐒𝐒𝐄𝐒𝐒𝐌𝐄𝐍𝐓 - 𝐓𝐇𝐄 𝐑𝐈𝐆𝐇𝐓 𝐖𝐀𝐘 𝐓𝐎 𝐒𝐓𝐀𝐑𝐓 𝐀𝐈 Most AI projects fail because the data foundation underneath them isn't ready; not because AI is hard. If you want predictive analytics, ML models, or intelligent automation, start here: → Fixed-fee engagement · 4-6 weeks · Clear deliverable: which AI use cases your data can support today, and the roadmap to support more. ──────── 🌱 𝐋𝐄𝐓'𝐒 𝐆𝐄𝐓 𝐒𝐓𝐀𝐑𝐓𝐄𝐃 We always start with a free initial consultation to scope the work properly before any engagement begins. Send a message - let's see if we're a fit!

Who am I? I'm an experienced senior level analyst with 10+ years of experience. At my day job, you can find me querying databases, creating dynamic data visualizations, crunching numbers and diving deep into digital marketing data trends in order to make effective revenue-driving decisions for my company. I love to think creatively and work efficiently in order to provide useful insights and information that will assist in making smarter business decisions. I have a sharp knack for attention to detail and will only turn in work that I am proud of. However, perfection isn't the goal in this line of work. Providing effective and digestible information and visuals is what I strive for. I have extensive experience working with (among others): - SQL - Snowflake - Looker - Excel/Google Sheets - All MS office programs Some examples of my strengths and skills: - Conversion Rate Optimization - Visitor Funnel Optimization - Data Massaging & PII Quality - Advanced Excel Analysis (pivot tables, Macros, automation, advanced formulas) - Creation of useful data visualizations - And so much more! Why should you really work with me? I have experience in many areas and love working with data from many different sectors. As someone who is somewhat new to the freelance world, I'm happy to work with you on pricing. My main goal is to leave you with a satisfied feeling and a possibility of working together again in the future. Now let's get started!

Hi there! I'm a seasoned Data Engineer with a strong background in delivering client-focused, end-to-end data solutions. Over the past couple years, I've honed my skills working directly with clients in fast-paced environments, building robust AWS-based ETL pipelines, orchestrating data lake formations, and leading complex cloud data migrations. - What I Bring to the Table: Proven Data Engineering Expertise: AWS & Cloud Data Migrations: I've developed custom ETL pipelines that integrated PostgreSQL RDS data with S3-based data lakes and Salesforce. I’ve also spearheaded Oracle-to-Redshift migrations, ensuring data integrity with tools like AWS SCT and DMS. Comprehensive AWS Skillset: Proficient with AWS Glue, Step Functions, SNS, Secrets Manager, IAM, and more, I ensure that data processes are both secure and scalable. Strong Analytical & Technical Acumen: Diverse Programming Skills: I’m fluent in Python, SQL, Java, and I leverage libraries such as Pandas and PySpark for data manipulation and analysis. ETL/ELT Expertise: I design, implement, and optimize pipelines that drive actionable insights. - Client-Focused Solutions Tailored Business Insights: Previously, I worked as an Inventory Analyst, where I integrated data sources like NetSuite and Excel into intuitive Tableau dashboards. My work enabled better forecasting, streamlined inventory management, and improved decision-making. Certified as an AWS Solutions Architect and Data Engineer, with pending certifications in Machine Learning, I’m committed to continuous growth and adept at using AWS to empower businesses with scalable, efficient data solutions.

𝗜𝘀 𝘆𝗼𝘂𝗿 𝗱𝗮𝘁𝗮 𝗮 𝗺𝗲𝘀𝘀? 𝗦𝘁𝗮𝘆 𝗰𝗮𝗹𝗺... 𝗜 𝗰𝗮𝗻 𝘁𝘂𝗿𝗻 𝗶𝘁 𝗮𝗿𝗼𝘂𝗻𝗱 𝗮𝗻𝗱 𝗴𝗲𝘁 𝘆𝗼𝘂𝗿 𝗽𝗲𝗮𝗰𝗲 𝗼𝗳 𝗺𝗶𝗻𝗱 𝗯𝗮𝗰𝗸. With over 𝟭𝟴 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 in business intelligence, I lead Dynamic Data and have completed 𝟱𝟬+ 𝘀𝘂𝗰𝗰𝗲𝘀𝘀𝗳𝘂𝗹 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀. As a Top Rated Plus freelancer and CEO, I specialize in transforming complex data into actionable insights that drive real business results. I offer 𝐒𝐎𝐋𝐔𝐓𝐈𝐎𝐍𝐒: - Fast-Track Your 𝐃𝐚𝐭𝐚 𝐈𝐧𝐟𝐫𝐚𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞: Launch a modern data stack in under 30 days, tailored to your budget and goals. - Seamless 𝐂𝐥𝐨𝐮𝐝 𝐌𝐢𝐠𝐫𝐚𝐭𝐢𝐨𝐧: Move your data to the cloud securely and efficiently. - 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗲 the Tedious: Eliminate manual reporting processes and free up valuable time. - 𝗩𝗶𝘀𝘂𝗮𝗹𝗶𝘇𝗲 for Impact: Craft stunning dashboards that tell compelling data stories and inspire action. - 𝗣𝗿𝗲𝗱𝗶𝗰𝘁 𝘁𝗵𝗲 𝗙𝘂𝘁𝘂𝗿𝗲 with Your Data: Harness the power of machine learning for predictive analytics, customer insights, and more. - 𝗖𝗼𝗻𝘃𝗲𝗿𝘀𝗮𝘁𝗶𝗼𝗻𝗮𝗹 𝗔𝗻𝗮𝗹𝘆𝘁𝗶𝗰𝘀: Empower your team to ask questions in plain language and get instant answers from your data. - Tame Your Data Chaos: Establish 𝗗𝗮𝘁𝗮 𝗚𝗼𝘃𝗲𝗿𝗻𝗮𝗻𝗰𝗲 to ensure accuracy and consistency across your organization. - Master 𝗠𝗮𝗿𝗸𝗲𝘁𝗶𝗻𝗴 𝗔𝘁𝘁𝗿𝗶𝗯𝘂𝘁𝗶𝗼𝗻: Gain a unified view of your marketing performance and ROI, with expertise in GA4 and Google Tag Manager. Why Work with Me? ✔️ Satisfaction Guarantee: If you’re not happy in the first two weeks, 𝐭𝐡𝐞𝐫𝐞’𝐬 𝐧𝐨 𝐜𝐡𝐚𝐫𝐠𝐞. 🧏 Flexible Budget: I work with budgets to 𝐟𝐢𝐭 𝐲𝐨𝐮𝐫 𝐧𝐞𝐞𝐝𝐬. 👨‍💻 Versatility: My 𝐭𝐞𝐚𝐦 and I can tackle any data-related challenge. 🥇Proven Success: As a 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 𝐏𝐥𝐮𝐬 freelancer on Upwork with a 100% job success rate, I consistently receive 𝟓-𝐬𝐭𝐚𝐫 𝐫𝐚𝐭𝐢𝐧𝐠𝐬 for my ability to understand and exceed client expectations. 👔 My Experience: I’ve helped businesses across 𝐯𝐚𝐫𝐢𝐨𝐮𝐬 𝐢𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬, including B2B web consulting, real estate, retail, waste management, and healthcare, to unlock the full potential of their data. I believe in data’s power to transform businesses. If you’re looking for a long-term, trust-based partnership, I’m eager to collaborate with you! Ready to unlock the hidden value in your data? 𝐂𝐨𝐧𝐭𝐚𝐜𝐭 𝐦𝐞 𝐭𝐨𝐝𝐚𝐲! Expertise: Data Warehouses: Redshift, BigQuery, Snowflake, Databricks BI/Visualization Tools: Looker Studio, Power BI, Tableau, Sigma, Metabase, Superset ETL/ELT: Airflow, Dagster, Stitch, Fivetran, DBT Languages: SQL, Python.

I am an accomplished data analyst with more than 10+ years of experience in data analysis and reporting helping businesses make stronger decisions with their data. I have worked in both Financial companies like ADP and a few years in the Mortgage Industry. Check out my portfolio below on some analytics I have done. Whether you need help with creating powerful dashboards using any visualization product such as Power BI, Microsoft Reporting Services, Tableau, or Excel, or you need to clean your data, I will be your go-to person. Reliable and excellent communication and leadership skills, with a track record of successful project management and team collaboration. ⭐ Why you should choose me over other freelancers ⭐ ✅ Past Reviews: I put 100% focus on the quality of work I provide to my clients and aim to earn their trust. ✅ Over-delivering: This is one of my weaknesses. I tend to over-deliver and make sure the client is satisfied with my work as a freelancer. ✅ Responsiveness: Being on top of my communication and being extremely open with my clients. ✅ Resilience: reach out to any of my current or former clients and ask them about my resilience. ✅ Kindness: I make sure I treat all my clients the way I want to be treated, with respect and understanding, aiming to improve my client's work. Working with me, you will ✅ Stop struggling with data that's not telling a story ✅ Get analytics of your data including clean graphs and KPIs that would help you make quick decisions just by looking at it. ✅ Get to understand your data better ✅ Get a report that's built once and can be set up for refresh daily thus saving you money. 🏆 Reviews and feedback from clients 🏆 Below are my client testimonials describing the work and value you should expect from me. ⭐⭐⭐⭐⭐ "Issak Dure is an exceptional Power BI Data Analyst whose work consistently exceeded our expectations. His deep understanding of data analysis combined with his expertise in Power BI allowed us to uncover valuable insights from our data. Issak's attention to detail, analytical skills, and ability to communicate complex findings in a clear and concise manner were instrumental in driving our project's success. He was a true asset to our team and I highly recommend him for any Power BI data analysis work."- David P. ⭐⭐⭐⭐⭐ "I had the pleasure if working with Issak at AAG for a couple of years after he was hired as a new member of the team. Issak stood out from the rest of the candidates interviewing for the same position with his technical capabilities, analytical thought and communication skills. Once hired, he quickly came up to speed by learning about the business and becoming an expert BI developer. Issak's ability to not only develop and deliver high quality analytical reports but also interface with various business teams to iterate and build requirements for report development made him an invaluable asset to the team. I can't recommend Issak highly enough for any Data / Business Analytics projects and would hire him in a heartbeat if the opportunity arises!" -Jyothi H. | Business Analytics

I'm a full stack Data Scientist with significant experience in gathering, cleaning, organizing, and analyzing large-scale data. I can help you retrieve new datasets, structure them in a database, or perform descriptive/prescriptive analytics. I'm Expert-Vetted by Upwork meaning that I'm in the top 1% of freelancers on the site. Specific skills: - SQL, Python, JavaScript - Google Sheets, Excel, Snowflake, Streamlit, Sigma, Fivetran, Tableau, Looker, Looker Studio - Strong written and verbal communication skills