Justinas Tamasevicius
Head of Engineering

Justinas Tamasevicius is Head of Engineering with over two decades of expertize in software development. What started as a self-taught passion during his school years has evolved into a distinguished career spanning backend engineering, system architecture, and infrastructure development.
In his current role, Justinas leads the engineering department, driving innovation and delivering high-performance solutions while maintaining a keen focus on efficiency and quality.
With deep technical expertize in software architecture, database optimization, and DevOps practices, Justinas has grown from a backend engineer into a versatile technology leader. He particularly enjoys tackling complex challenges in system performance optimization and developing automated solutions that streamline development processes.
When not immersed in the world of technology, Justinas finds balance in practicing Aikido and pursuing his musical interests. He's a nature enthusiast who loves tending to his garden and traveling to new destinations.
Connect with Justinas via LinkedIn.

How to Scrape ZoomInfo: A Complete Step-by-Step Guide
ZoomInfo is a goldmine for B2B teams – over 100M company profiles and 260M contacts, all in one place. But getting that data isn’t easy. With strict defenses like CAPTCHAs, browser fingerprinting, and aggressive IP bans, most scrapers fail after just a few requests. That’s where this guide comes in. We’ll show you how to bypass ZoomInfo’s countermeasures in 2025 and extract clean, actionable data at scale.
Justinas Tamasevicius
Jun 10, 2025
10 min read

Ultimate Guide to Error 1020: Causes, Fixes, and Prevention
When the website's firewall security settings block your request, Error 1020 will appear. This means that the restriction has been enforced even before your device gets to the website. People using automation tools, website administrators, and ordinary internet users encounter this problem. This post will help you understand what causes it and how to fix it.
Justinas Tamasevicius
Aug 12, 2025
8 min read

Error Code 1010: Causes, Solutions, And Prevention For Cloudflare Users And Website Owners
Cloudflare’s Error 1010 can be a real headache for website owners and visitors. It usually appears when its security detects something unusual or automated, even if it’s a genuine request. In this article, we'll outline what the Error 1010 code means, why it occurs, how to identify it, and the best solutions to fix and prevent it.
Justinas Tamasevicius
Oct 03, 2025
4 min read
How to Scrape Target Product Data: A Complete Guide for Beginners and Pros
Target is one of the largest retailers in the US, offering a wide range of products, from electronics to groceries. Scraping product data can help you track prices, monitor trends, or build comparison tools to enhance your purchasing decisions. This guide outlines the process, provides suggestions, and provides instructions on how to extract data, such as prices and ratings, efficiently.
Justinas Tamasevicius
Jul 07, 2025
6 min read
Web Crawling vs Web Scraping: What’s the Difference?
When it comes to gathering online data, two terms often create confusion: web crawling and web scraping. Although both involve extracting information from websites, they serve different purposes and employ distinct methods. In this article, we’ll break down these concepts, show you how they work, and help you decide which one suits your data extraction needs.
Justinas Tamasevicius
Jul 01, 2025
7 min read

Methods, Tools, and Best Practices for Scraping Yahoo Finance
Yahoo Finance is one of the most comprehensive free financial data platforms available, offering real-time stock prices, historical data, and company fundamentals. However, scraping such a platform presents challenges like sophisticated anti-bot measures, JavaScript-heavy rendering, and dynamic content loading. This guide offers practical, tested methods for efficiently extracting Yahoo Finance data while navigating these obstacles.
Justinas Tamasevicius
Oct 09, 2025
9 min read

Go vs. Python: A 2025 Developer's Guide
The Go vs Python comparison is a key discussion among developers. Go (Golang), created at Google, excels in performance, scalability, and concise syntax for distributed systems. Meanwhile, Python prioritizes readability and rapid development with a vast library ecosystem. Understanding these core differences is crucial for developers choosing tech stacks in 2025 and beyond. Let's dive in!
Justinas Tamasevicius
May 13, 2025
9 min read

End-to-End AI Workflows with LangChain and Web Scraping API
AI has evolved from programs that just follow rules to systems that can learn and make decisions. Businesses that understand this shift can leverage AI to tackle complex challenges, moving beyond simple task automation. In this guide, we'll walk you through how to connect modern AI tools with live web data to create an automated system that achieves a specific goal. This will give you a solid foundation for building even more sophisticated autonomous applications.
Justinas Tamasevicius
Oct 22, 2025
11 min read

How to Build Production-Ready RAG with LlamaIndex and Web Scraping (2025 Guide)
Production RAG fails when it relies on static knowledge that goes stale. This guide shows you how to build RAG systems that scrape live web data, integrate with LlamaIndex, and actually survive production. You'll learn to architect resilient scraping pipelines, optimize vector storage for millions of documents, and deploy systems that deliver real-time intelligence at scale.
Justinas Tamasevicius
Oct 24, 2025
16 min read

How to Web Scrape a Table with Python: a Complete Guide
HTML tables are one of the most common ways websites organize data – financial reports, product listings, sports scores, population statistics. But this data is locked in the webpage's layout. To use it, you need to extract it. This guide will show you how to do it using Python, starting with simple static tables and working up to complex dynamic ones.
Justinas Tamasevicius
Nov 10, 2025
9 min read

Web Scraping With Java: The Complete Guide
Web scraping is the process of automating page requests, parsing the HTML, and extracting structured data from public websites. While Python often gets all the attention, Java is a serious contender for professional web scraping because it's reliable, fast, and built for scale. Its mature ecosystem with libraries like Jsoup, Selenium, Playwright, and HttpClient gives you the control and performance you need for large-scale web scraping projects.
Justinas Tamasevicius
Nov 26, 2025
10 min read

How to Scrape Indeed for Job Data: A Comprehensive Guide
Indeed hosts millions of job listings across industries and locations, making it a valuable data source for analysts, recruiters, data engineers, and founders who need real-time job intelligence. Scraping job data is challenging because sites change and anti-bot defenses evolve. This guide walks you through a resilient, modern approach that works reliably today – and scales when you need it to.
Justinas Tamasevicius
Sep 12, 2025
14 min read
How to Scrape Zillow Data: Complete Guide for Real Estate Data
Zillow hosts millions of real estate listings across the U.S., but manually collecting that data is slow and error-prone. This guide walks you through how to scrape Zillow data effectively and ethically. You’ll learn what kind of data is accessible, which tools to use, and how to handle anti-scraping challenges to keep your pipeline running smoothly.
Justinas Tamasevicius
Jun 23, 2025
6 min read