Ruslan Arifullin

- Designed and maintained streaming (Apache Kafka → Databricks) and batch (REST API, Amazon RDS → Databricks) landing pipelines across 5 source systems

- Optimized legacy PySpark/SQL workloads, cutting runtime of key pipelines by 15–20x and reducing overall Databricks compute spend by 10%

- Productionized ad-hoc notebook solutions into tested, scheduled pipelines deployed via GitLab CI/CD

-

- Developed scalable data processing pipelines, integrating Azure and on-premise solutions.
- Designed and implemented real-time reporting solutions using Azure Data Factory, SQL Server reducing number of issues by 40% and saving expenses for maintenance up to 200K USD per year.
- Led the implementation of a scalable Big Data platform (Hadoop, Spark, Docker Swarm) with Delta Lake integration, whic

- Managed data lake architecture and data security using Hadoop, Sqoop, Knox, and Ranger.
- Implemented ETL workflows, reducing data processing costs by $400K annually.
- Led Informatica environment optimization, improving workflow execution times.

Hybrid data lake for advertising analytics of an international travel-booking company: Jun 2017 ~ Apr 2020

- Implemented ETL from SFTP and APIs (Google, Bing and others) to compute campaign metrics (views, clicks, revenue) for sales and marketing teams

- Managed data lake architecture and security across an on-prem Hadoop data lake integrated with a cloud data lake (Hadoop, Sqoop, Knox, Ranger)

Duties:

- Offered Technical Expertise in IBM DB2 RDBMS Platform
- Executed Tasks with Proficiency in SQL Coding

Responsibilities:

Offered technical guidance and support to the sales team in advancing application development platforms and database systems. This involved:
- Conducting face-to-face meetings with customers to understand their needs and align solutions accordingly
- Leading Proof of Concept (PoC) initiatives and delivering compelling presentations showcasing the diverse range of products

In my role at Bimash LLP, I was responsible for maintaining and optimizing database environments, including IBM Informix and IBM DB2. I developed efficient ETL-like solutions to streamline data workflows and managed IBM MQ instances, ensuring seamless operations. Additionally, I provided training to customer employees on database migration techniques, enhancing their skills and knowledge.

Automated tax calculation system for a government customer: Mar 2007 ~ Oct 2012

- Administered DB2 and Informix (backup/restore, version migrations, instance tuning) and WebSphere MQ instances

- Built ETL processes in SQL and Bash; configured replication between DB2 for z/OS and DB2 for LUW and documented it end to end

- Ran a training course for the customer's staff on migrating Informix insta

• Developed small applications and scripts using VBA, Delphi, and SQL to enhance operational efficiency.
• Managed Oracle DB 9 installations, ensuring proper setup, backup, and restoration processes.
• Provided desktop user support, resolving technical issues for end-users promptly.
• Created a solution for generating monthly invoices and implemented a testing system for staff exams.

Administered Oracle 9 (setup, backup, restore); built a monthly subscriber invoicing solution and a staff examination system (VBA, Delphi, SQL)

Oct 2024 · Expired Oct 2026

Jul 2022 · Expired Jul 2023