Lazar R.
Mid-Level Data Engineer
Open to offersNew to PlatformAbout
Lazar R. is a seasoned Data Analyst and Python Developer with over three years of experience in building scalable data systems and automation workflows. He has honed his expertise in Python-based data engineering, focusing on ETL optimization and full-stack analytics platforms using Django. His current role as an SEO Automation & Data Engineer at Better Collective involves designing advanced data ingestion pipelines on GCP and innovating streaming architectures to improve ETL performance significantly. Lazar has played a pivotal role in developing tools that facilitate large-scale data analysis and SEO optimizations across numerous platforms. He also contributed to internal budget analytics, creating smart dashboards for complex fiscal analyses and supporting strategic acquisitions through advanced search analytics. Additionally, Lazar has supported various stakeholders by crafting in-house consulting teams and developing agentic systems for website analysis, showcasing his ability to blend technical prowess with strategic insights.
Experience
Digital Marketing Consultant and Data Analyst
Freelance projects · 2024 — 2025Collaborated with SME businesses to enhance Ad spend efficiency through analyzing Google Ads performance and integrating insights across Paid Media channels. Developed SEO strategies aimed at reducing ad spend through improved organic presence. Projects included working with diverse clients, from service-oriented businesses in the US to e-commerce firms in Switzerland and clinics in Serbia, while also building custom internal CRMs for lead-generation tracking and marketing workflow automation.SEO Automation & Data Engineer
Better Collective · 2024 — PresentDesigned and built a distributed ingestion pipeline on GCP, utilizing Cloud Run, Pub/Sub, Cloud Storage, and BigQuery, along with transformation layers in Dataform/dbt. Refactored a legacy Pandas ETL pipeline, transitioning to a streaming architecture with Python and Polars. Constructed a comprehensive analytics platform to monitor Share of Voice across a significant number of KPI keywords, integrating visibility data with GA4, Marfeel, and log files. Created a custom Django smart analytics dashboard for internal budget planning and analytics, handling a large budget analysis across numerous products and vendors. Developed an RPA-type analytics tool for SEO analysts, enabling mass-scale analyses. Created a Django-based full-stack application for content analysis, assisting authors with on-page SEO optimizations.Search Consultant & Data Analyst
Better Collective · 2024 — 2024Transitioned to mentoring team members while scaling automated reporting for KPI stakeholders. Established the consulting team to support various stakeholders involved in mergers and acquisitions and media partnerships. Created advanced search analytics systems to monitor and evaluate the positioning of target websites. Contributed to multi-language localization strategies for top eSports properties across several markets. Developed a proof-of-concept system for categorizing websites by topics, utilizing OpenAI services; this aided in cleaning a legacy database and identifying a network involved in black-hat campaigns.SEO Campaign Specialist
Better Collective · 2022 — 2024Performed market and competitive intelligence research for various PR campaigns, including link building and banner placements. Enhanced workflows by incorporating SCRUM and Lean Six Sigma principles, along with creating semi-automated processes using Google Sheets App Scripts, which improved KPI delivery across teams. Automated data extraction for SEO website audits utilizing the GSC API and Python, facilitating quarterly audits for multiple websites through a templated reporting system in Looker Studio.SEO Internship
Better Collective · 2022 — 2022Completed a full-time, six-month internship program focusing on various aspects of SEO, WordPress, and Pagespeed, provided by in-house SEO teams.