XtractPro Software

•	Since Jan 2024, I create successful video courses on Udemy and other websites.
•	Designed and implemented end-to-end ML pipelines, with Mlflow, Streamlit, Snowpark… Saved customers $100K+/y overall by switching to some open-source products.
•	Designed data lake solutions with Snowflake, Databricks, on S3 and other cloud storage… Saved one single customer over $30K/y just by avoiding data silos and moving data. Check my open-source Snowflake productivity tools on GitHub (https://github.com/cristiscu?tab=repositories), described on my blog (https://cristian-70480.medium.com/).
•	MLOps model deployment and CI/CD, with custom data drift monitor, TF Serving, Kubernetes…
•	MLOps and Model Ops for batch inference, with AWS Lambda functions, and REST APIs. The customer was wasting money for 2y+ by not having a proper ML pipeline for prod deployment.
•	Implemented an anomaly detection, two recommender systems, time series predictions…
•	EDA and feature engineering on multiple datasets, for ML with sklearn and TensorFlow/Keras.
•	Designed and built feature stores for Snowflake and Redis, with Feast and AWS. Serving key-value Redis data much faster for real-time production ML inference was a huge bottleneck until now.
•	Advised customers on Explainable AI and Ethical AI (with Diff Privacy and Model Fairness demos).
•	Implemented many ML prototypes and PoCs with AutoML and specialized CV/NLP cloud services.

Independent Consultant and Instructor

Onica by Rackspace Technology

•	Lead the adoption and delivery of the Snowflake practice.
•	Snowflake Subject Matter Expert (SME) with the pre-sales, sales and delivery teams.
•	Developed and held presentations with all Snowflake-centric architectures and ecosystems.
•	Mentored peers and less senior architects and engineers.
•	Worked with the new Data Science and Machine Learning groups to extend the Snowflake offer.
•	Helped develop and expand the Snowflake product offer to potential customers.
•	Analyzed and designed several possible solutions for real-time data streaming to Snowflake.
•	Designed PoCs of Snowflake ecosystems in AWS/Azure/GCP.
•	Technical lead on several AWS/Azure/GCP customer projects.

Lead Data & Solutions Architect (Snowflake SME)

Infostrux Solutions

•	Lead tech resource on a long-term contract with LoyaltyOne/AirMiles, renewed several times because of me (billed 30h+/week). Managed Agile/Scrum meetings with 3-15 people.
•	Designed a new Snowflake/AWS-based ETL/ELT pipeline for LoyaltyOne partners. JS stored procs and AWS lambdas for ingestion. BDD Python integration tests.
•	Consulted on Snowflake analytics/performance with Tableau/Looker. Data clean rooms, auto-scaling, RBAC, access policies. Published posts on Medium on Snowflake's blog.
•	Airbyte vs Fivetran eval. CDC Postgres to Snowflake ingestion, with Kafka/Debezium and dbt.
•	Complex PoCs with Amazon Managed Workflows for Apache Airflow, using EKS/ECS, Docker.
•	Complex SQL for semi-structured JSON in Snowflake data lakes.

Sr. Data & Solutions Architect (Snowflake "Data Superhero")

•	Advised over two dozen customers on cloud migration and data pipeline design, using partitioning, replication, failover, auto-scale (see https://data-xtractor.com/nosql-consulting-services/).
•	Designed software and solution architectures, using N-Tier ASP.NET end-to-end systems, pure JS MEAN stacks, batch processing, real-time streaming or serverless microservices.
•	Advised customers and designed proof-of-concept for drastically improving data access and latency using a NoSQL solution in DynamoDB, Cassandra, MongoDB, Redis.
•	Created over a dozen ETLs for paying customers for batch processing and real-time data migration from relational to NoSQL stores or data warehouses, using SSIS, BI tools, Azure ML Studio, cloud ETLs, Step Functions, Azure Batch.
•	Paired up with Data Scientists to create ETLs or environments for ML predictions, graph algorithms on Neo4j, Azure Stream Analytics queries, advanced analytics.
•	Designed and implemented parts of several ASP.NET projects, using microservices with Azure Functions and AWS Lambda, RESTful web APIs, in C#, Python, Go, Java, JavaScript front-ends.
•	Created dozens of IaC with Terraform (I'm Certified in Terraform), CloudFormation and Azure Resource Manager, as blueprint to quickly create cloud environments for potential clients.
•	Designed over a dozen data models for customers using RDBMS/DW or NoSQL: DynamoDB, Cassandra, MongoDB, Redis, Neo4j.
•	Designed, implemented and sold my Data Xtractor Suite (https://data-xtractor.com) to dozens of customers. This includes an innovative ER modeler, visual SQL query builder, many data visualization chart types. Got paid for extended customer support and additional jobs.
•	Published Kindle books (https://amazon.com/author/cristian-scutaru) and Udemy courses (https://www.udemy.com/user/cristian-scutaru) on Cassandra/Neo4j/Redis/Couchbase (I'm Certified on all).

IT Management Consultant & Architect

Vision Critical

•	Experienced polyglot programmer in a central Agile/XP team.
•	Designed and implemented a complex ETL/ELT pipeline using window functions (LEAD/LAG cursor) on Amazon Redshift, for ~5GB daily transfer/processing and ~500GB monthly uploads.
•	Designed parts of a MongoDB database holding JSON customer data.
•	Design and implementation of new dataviz and analytics, considering CQRS/Event Sourcing..
•	Helped design, improve and implement a complex distributed platform for community insights, with ASP.NET MVC/RESTful Web API, AngularJS/KnockoutJS, SQL Server/Oracle.

Sr. Big Data & Software Engineer

Metalogix Software

•	Hiring manager for team of 5 devs, conducted hiring interviews and held performance reviews.
•	Certified Scrum Master over the largest team in the company (10-12 members), buffer between devs/QA and the Product Owner, Product Unit Manager, upper management and other stakeholders.
•	Also acted as senior .NET/C# Lead Developer for company's main product, to migrate and synchronize content between different SharePoint versions.

Development Lead & Manager (on SharePoint Apps)

•	Successful consultancy business. Multiple contracts as managing consultant or main technical advisor to CTOs, directors and other executives of Vancouver area and US corporations – including the former Ministry of Indian Affairs Canada (INAC), FDM Software, Seance Software... 
•	Helped implement several successful high-traffic websites with significant transaction volume.
•	Designed, implemented, and sold for profit several personal projects, such as a chart template customizer, a website for birthday party locations, niche websites created for SEO…

Boeing Canada-AeroInfo

•	Helped design, implement and refactor complex reporting and data processing modules of a large Java/C# management system for plane parts.

Sr. Software Engineer

Air Liquide

•	Designed the system architecture and helped with technology choices for a large $10M distributed system, later implemented in C#/ASP.NET. 
•	The only software architect, acting as technical lead over a group of 10-15 developers, one DBA, 2-3 analysts.

Sr. Data & Software Architect

Microsoft Corporation (Redmond HQ)

•	Performance tests on the first OLAP server engine (SSAS) of their first Microsoft SQL Server Data Warehouse, in the SQL Server 7 group. ER and multidimensional data modeling.
•	Designed their new (at that time) Microsoft Repository browser. 
•	Helped design and implement their new Windows Clustering Manager (with load balancing, failover and data recovery, from 2/4 nodes), in the Windows 2000 group.

Sr. Software Developer

•	World-class expert in Snowflake, former Snowflake SME and Snowflake “Data Superhero”.
•	Hands-on Data Architect for data lakes in AWS, Azure and GCP (20+ certification exams).
•	Data warehouse expert in Snowflake, Databricks, Redshift, BigQuery.
•	Skilled in Applied AI services, ML pipelines and MLOps architectures.
•	Former Microsoft employee, in Windows and SQL Server groups. US Patent Pending in 2001.
•	Canadian citizen. Worked in Canada, US, Switzerland. Fluent in English, French, Romanian.

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