I'm a developer with strong expertise in data analysis, web scraping, and cybersecurity. I'm passionate about solving complex business problems through elegant data solutions and building systems that make a real impact. With experience in malware research and threat protection, I bring a unique perspective to software development projects.
"I will rejoice for the company that Valdas will work for, for they will get a force to be reckoned with on their side. Soft spoken, skillful, listening and understanding." - Adrianus Warmenhoven, CCISO, Security Advisory Board for NordVPN
Expanded Skills List
- Languages: Python (Advanced), SQL, JavaScript, Typescipt
- Frameworks & Libraries: NextJS, React, Flask, Django, FastAPI, SQLAlchemy, Pandas, NumPy, Scikit-learn, TensorFlow
- Web Development: RESTful APIs, GraphQL, Microservices, HTML/CSS
- Data: Data Analysis, Machine Learning, Natural Language Processing, ETL Pipelines, Big Data
- Databases: PostgreSQL, MongoDB, Redis, Database Design & Optimization
- Security: Malware Analysis, Threat Protection, Network Security
- DevOps: Docker, CI/CD, Git, AWS/Cloud Services
- Methodologies: Agile, Scrum, Test-Driven Development, Continuous Integration
- Tools: Asynchronous Computing, Proxies, Jupyter, VS Code, PyCharm
Malware Researcher / Mid-Level Python Developer at Nord Security
- Designed and built internal databases used by millions of users
- Developed a large-scale BitTorrent DHT crawling system that outperformed all previous data gathering methods
- Implemented web scraping solutions with proxies and asynchronous computing
- Maintained and improved data quality for AI-based antivirus solutions
- Collaborated with cross-functional teams using Agile methodologies
Procurement Consultant at Lispimeks Dangos
- Improved financial efficiency through strategic analysis
- Led acquisition of new property to support business growth
- Managed renovations and contractor negotiations
- Consulted on IT solutions to support company expansion
- Implemented data-driven decision-making processes
- Led team in creating a subscription-based educational audiobook platform
- Published audiobooks available on Spotify
- Managed business operations and strategy
- Oversaw product development using Agile methodologies
Large-scale data collection system for security intelligence
- Built a highly resilient, decentralized crawling system
- Gathered millions of program binaries for AI-based malware detection
- Implemented advanced techniques for efficient data processing
- Used asynchronous programming for performance optimization
Custom reporting solution with Flask and PostgreSQL
- Developed API for generating and distributing reports
- Utilized Flask and SQLAlchemy for database queries
- Implemented email delivery via Docker-containerized SMTP server
- Designed RESTful endpoints with comprehensive documentation
Custom utilities for data processing and visualization
- Created reusable components for common data cleaning tasks
- Built visualization dashboards for business intelligence
- Implemented machine learning models for predictive analytics
- Designed for scalability and performance
- Data Science - Turing College
- Python Programming - CodeAcademy
- Bachelor of Computer Science - Vilnius University
Click to expand recommendations from colleagues
"Valdas takes messy, complex data and simplifies it elegantly to solve real business problems. He has developed rigorous data analysis skills and handles Python like a dream. The main thing that strikes you about Valdas is the speed with which he picks up new knowledge and grasps new concepts. Plus, he has a real can-do attitude. Give him a challenge and he'll go the extra mile to solve it." - Dominykas ล eputis, Software Engineer
"Valdas effectively applies his problem-solving abilities to tedious everyday analytical tasks, making sense of the most complicated assignments. He is passionate about data and statistics, constantly trying to gain more knowledge via data and apply it in his work. Valdas has a growth mindset and seeks to improve himself, and he is always ready to help his colleagues." - Karolis Gadeikis, AI Specialist
"During all the time spent with Valdas we observed his enthusiasm and passion for IT industry and Python programming language. I was surprised by his fast learning and the complexity of the problems solved. Day by day the tasks delegated to him become more challenging, but they were managed! I see his big potential for becoming a great developer and an excellent team member." - Aleksandr Beliavski, Lead of Software Systems Architecture Group
Looking for opportunities to unleash my skills and make a positive impact!