✅ Data Scientist & AI Agent Specialist
✅ Python | Machine Learning | AI Agents
🥇 Top Rated Plus | 100% Job Success
🥇 6+ Years On Upwork | 8+ Years of Experience
🥇 35+ Projects Delivered | 1000+ Hours Worked
🥇 Seasoned Data Scientist with a Knack for AI Agents
I’m a dedicated Data Scientist and Engineer who designs end-to-end data-driven solutions, leveraging advanced machine learning and AI agent frameworks to help businesses excel. While my background includes extensive data extraction expertise (Python, Scrapy, Selenium), my focus now extends far beyond gathering data—it's about extracting insights, automating decision-making, and building intelligent systems that drive growth.
From data cleaning and feature engineering to training, fine-tuning, and deploying AI agents, I partner with startups and established companies to solve complex problems across various industries.
Core Capabilities
AI Agent Development: Harnessing frameworks and large language models to build autonomous agents that reason, learn, and interact dynamically.
Predictive Modeling & Machine Learning: Regression, classification, NLP, deep learning, and more to uncover patterns and guide data-backed decisions.
Data Engineering & Workflow Automation: Cleaning, transforming, and orchestrating complex data pipelines for optimal performance and reliability.
End-to-End Project Delivery: From problem scoping and prototyping to deployment and post-deployment maintenance, ensuring smooth integration and user adoption.
Advanced Techniques & Tools
Prompt Engineering & NLP
Deep Learning (TensorFlow, PyTorch)
LLMs & Conversational AI
Data Visualization & BI Tools
Cloud Services for AI (AWS, GCP, Azure)
Scalable Infrastructure (Docker, Kubernetes)
What I Offer
✅ High-Quality, Insight-Driven Work
✅ Clear Communication & Responsiveness
✅ Accurate and Timely Delivery
✅ Detailed Documentation & Reporting
✅ Adaptable Solutions for Evolving Business Needs
Industries Served
🔥 Combat Sports (Predictive Analytics, Data Analysis)
🔥 E-commerce & Retail (Demand Forecasting, Recommendation Systems)
🔥 Finance & Investment (Risk Analysis, Predictive Analytics)
🔥 Marketing & Advertising (Customer Segmentation, Campaign Optimization)
🔥 Healthcare & Pharmaceuticals (Patient Data Analysis, Disease Prediction)
🔥 Real Estate (Market Trend Analysis, Pricing Models)
🔥 Entertainment & Gaming (User Behavior Modeling, Personalization)
🔥 Travel & Hospitality (Dynamic Pricing, Chatbots)
🔥 Automotive (Predictive Maintenance, Customer Insights)
🔥 Media & News (Content Recommendation, Sentiment Analysis)
🔥 Supply Chain & Manufacturing (Inventory Optimization, Process Automation)
🔥 Academic & Research (Data Analysis, Experimental Studies)
🔥 Insurance (Fraud Detection, Risk Modeling)
🔥 Food & Beverage (Operational Analytics, Demand Prediction)
Expertise:
Python, Machine Learning, AI Agents, Data Analytics, NLP, Deep Learning, Data Engineering, Cloud Computing
If you’re ready to elevate your data capabilities—from predictive modeling to autonomous AI agents—I’m here to help. Let’s collaborate and transform your data into actionable intelligence.
Python
Data Scraping
Data Mining
Scrapy
Web Scraping
Selenium WebDriver
Data Extraction
Ruslan B.
Sofia, Bulgaria
$45/hr
4.8
230 jobs
Over $62M ad spend
1,000+ projects in e-commerce
More than 100 projects in info business.
Selling digital products last 4 years
Lead generation project over 300+ for last 10 years
Do you want results with Facebook, Google and TikTok Ads? If so, then I can help!
Hi, my name is Ruslan, I have 10 years experience managing Facebook, Google ads and 5 years in TikTok Ads for different niches! I have managed multiple Facebook ad accounts promoting e-commerce products/websites that resulted to countless conversions.
I take your name, your brand and put them in front of your ideal audience. The clients who are in need of your service will respond and schedule an appointment with you.
I am currently running campaigns in the following industries:
- e-commerce different niches
- TV shop products
- TikTok products
- Clothes
- Toys
- Education
- Lead generation
If you are looking for more clients, scale or even test the business, then I can help!
Let me help you build your social media presence and increase your sales!
Facebook Advertising
Social Media Management
Facebook
TikTok
Facebook Ads Manager
Social Media Marketing
Internet Marketing
TikTok Ad
TikTok Marketing
Facebook Ad Campaign
Lead Generation
Lead Generation Strategy
Sales Funnel
Sales Funnel Builder
B2B Lead Generation
Slava S.
Varna, Bulgaria
$25/hr
4.8
85 jobs
Here’s what clients say about my work in Market Research & Market Analysis:
✅ “Market Research was detailed and Slava's responses were clear and quick. Highly recommend!”
✅ “Slava delivered a detailed, professional real estate report very quickly!”
✅ “Competitor analysis was conducted excellently. Excellent work - can't wait to work with Slava again!”
Let’s make your next project a success.
I am a Market Research Analyst with 12 years of experience - including 4 years of academic research while teaching at a university, and over 8 years of hands-on business research.
I specialize in the following types of business services:
✅ Market Research & Market Analysis
I conduct comprehensive research to evaluate market landscapes, identify trends, analyze competitors, and estimate real market potential. My insights help businesses make informed and strategic decisions.
* Market research
* Market analysis
* Competitor research and analysis
* Competitor pricing analysis
* TAM, SAM, SOM market sizing
* SaaS market research
✅ Business Analysis & Strategy
I help businesses understand their market position, analyze financial and investment performance, and develop actionable plans for sustainable growth and long-term success.*
* Business analysis
* Business planning
* Business plan development
* Financial analysis
* Investment analysis
* Real estate investment analysis
* Company analysis
✅ Marketing Strategy & Digital Insights
I create targeted marketing strategies and actionable plans aligned with business goals. I also provide SEO, social media, and influencer analysis to boost your digital presence and performance.
* Marketing strategy development
* Marketing plan creation
* SEO analysis
* Social media analysis
* Influencer analysis
✅ Business Growth & Lead Generation**
I support businesses in identifying and attracting qualified leads using modern prospecting techniques and sales funnel analysis — helping you grow your client base and drive conversions.
* Lead generation for your business
* List Building
I specialize in analyzing the market, competitors, and the external and internal environment of a company. My research mainly focuses on sectors such as:
✅ E-commerce Market Research & Analysis
✅ Real estate investments Market Research & Analysis
✅ Construction Market Research & Analysis
✅ Tourism Market Research & Analysis
✅ Retail Market Research & Analysis
✅ Beauty industry Market Research & Analysis
✅ Financial sector Market Research & Analysis
✅ Healthcare Market Research & Analysis
✅ SaaS Market Research & Analysis
✅ Education & EdTech Market Research & Analysis
✅ Technology & Startups Market Research & Analysis
✅ Food & Beverage / HoReCa Market Research & Analysis
✅ Logistics & Transportation Market Research & Analysis
I provide a full range of services:
✅ searching and collecting data;
✅ data analysis and visualization;
✅ forecasting of economic processes and trends.
If you need an analysis of your business/market/competitors or are looking for clients and expanding your business, contact me. I will do everything at the highest level!
Competitive Analysis
Market Analysis
Market Research
Marketing Strategy
Data Analysis
Real Estate Financial Model
Investment Research
Microsoft Excel
Business Analysis
Business Plan
Presentations
Web Scraping
Lead Generation
List Building
Financial Model
Nikolay P.
Sofia, Bulgaria
$33/hr
4.9
70 jobs
I am a versatile copywriter, WordPress expert, and ⭐blog owner⭐ with over 6 years of experience in technology writing, publishing, and SEO.
I bring experience with Google's suite of SEO tools, leveraging them to craft engaging, search-optimized content that consistently drives performance and results.
My background as a software support engineer has given me a strong technical foundation, allowing me to develop a deep understanding of computer systems and troubleshooting.
🔥 MY CORE EXPERTISE 🔥
✔️Technology Products
✔️IT, Tech and Networking
✔️Hosting/Cloud/Servers
✔️Windows/Linux/macOS
✔️Smart Home & Security
✔️TV, Playout & Streaming
✔️Mobile, App, Android, iOS
You name it, I know it.
🔥 WHAT TO EXPECT 🔥
✔️Originality - Strong Research
✔️0% Plagiarism - Copyscape
✔️ 0% AI Content - ZeroGPT
✔️ Naturally Flowing Keywords
✔️ Excellent Grammar - No Errors
✔️ WordPress SEO and Publishing
✔️ Blog Graphics Photoshop/Canva
I use industry-top tools such as Copyscape.com, Surfer, Grammarly, and WordPress plugins to deliver 100% unique, valuable content for humans, NOT bots.
🔥 REAL REVIEWS 🔥
🗨️ ServerMania - SEO Writing [Cloud Hosting]
“I've had a great experience working with Nikolay. He delivered high-quality, well-researched content always on time and with great attention to detail. Highly recommend!”
🗨️ PCBOnline - SEO Writing [Electronics]
“It's been great to work with Nikolay. His communication skills and teamwork made it easy for me to get what I wanted. He was able to follow all the steps I provided and was extremely fast in the delivery, and yet, very well documented and high-quality work.”
🗨️ MyCVWriters - Copywriting [Website Content]
“I completely recommend him to anyone who wants to get the job done!”
WHY CHOOSE ME❓
I am quick in my responses and I make sure to set the right expectations before the project starts. This is how I can guarantee my clients a smooth and pleasant experience working with me.
P.S. I can write a free example article if you message me now. 😉
Copywriting
Search Engine Optimization
Content Writing
Blog Writing
Article Writing
Sales Writing
Technical Writing
SEO Writing
Sales Copywriting
IT Consultation
Tech & IT
Dinko K.
Sofia, Bulgaria
$70/hr
5.0
31 jobs
Hey! I’m Dinko, a Facebook Advertising expert with 9+ years of experience in Facebook Ads Manager, Social Media Marketing, and performance-driven Marketing Strategy.
I’ve managed $100M+ in Facebook Ad Campaign spend helping e-commerce brands scale profitably through advanced Facebook Advertising and Social Media Marketing systems.
My focus is simple: turn ad spend into predictable revenue growth.
I don’t just run ads, I build full-funnel Facebook Advertising systems and marketing strategies that lower CAC, increase ROAS, and drive scalable growth.
What I Do Best
-Facebook Advertising & Facebook Ads Manager
Full-funnel Facebook Ad Campaign strategy, Advantage+ Shopping campaigns, retargeting systems, lookalikes, and broad scaling.
-Social Media Marketing & Marketing Strategy
Complete paid social media marketing strategy built for profitable customer acquisition.
-Campaign Management & Optimization
Clean Facebook Ads Manager account structures, advanced tracking, and performance optimization.
-Creative Strategy for Facebook Advertising
High-converting ad copy, statics, and UGC designed specifically for Facebook Ad Campaign performance.
-Shopify & DTC Growth Strategy
Marketing strategy designed to increase AOV, improve LTV, and unlock scalable growth.
Why Brands Trust Me
📈 Scaled 20+ Shopify & DTC brands across the US, Europe, Canada, and Australia
💰 Managed $3M/month in Facebook Advertising spend ($100M+ total)
🏆 Helped brands grow from $30K/month → $600K/month
🎯 Focused on real metrics: CAC, MER, ROAS, and profitable customer acquisition
What You’ll Get Working With Me
• Proven Facebook Advertising systems designed for scaling
• Strategic Marketing Strategy, not random testing
• High-performance Facebook Ad Campaign management
• Creative + data synergy that produces consistent winners
• A true growth partner, not just another freelancer
Whether you're spending $30K/month or $300K+ on Facebook Ads, my job is simple:
👉 Eliminate wasted ad spend
👉 Optimize and scale your Facebook Ad Campaigns
👉 Build a profitable Social Media Marketing engine
If you're ready to scale your brand with Facebook Advertising and a real performance-driven Marketing Strategy, let’s connect.
Tell us what you need. Create your own job post or generate one with AI then filter talent matches.
Hire top talent fast
Consult, interview, and hire quickly, so you can meet the freelancers you're excited about.
Collaborate easily
Use Upwork to chat or video call, share files, and track project progress right from the app.
Payment simplified
Manage payments in one place with flexible billing options. Only pay for approved work, hourly or by milestone.
Don't just take our word for it
“Upwork provides an umbrella-level of security. I can see a talent’s work history and ratings. I can hold payments in escrow. I can communicate through Upwork Messages instead of working through my email address.”
KD
Kim Darling
Emerald Tiger
“Upwork is the best platform to hire skilled professionals when we're not looking for a full-time employee. All the companies in our portfolio use Upwork to find talent across a wide range of fields.”
DM
David Merry
Kinetic Investments
“Our very specific requirements can be a challenge—With Upwork, we’re able to access a bigger community to ensure the success of our projects.”
KK
Katja Krohn
Summa Linguae
How do I hire a Customer Research & Insights Freelancer in Bulgaria on Upwork?
You can hire a Customer Research & Insights Freelancer in Bulgaria on Upwork in four simple steps:
Create a job post tailored to your Customer Research & Insights Freelancer project scope. We'll walk you through the process step by step.
Browse top Customer Research & Insights Freelancer talent on Upwork and invite them to your project.
Once the proposals start flowing in, create a shortlist of top Customer Research & Insights Freelancer profiles and interview.
Hire the right Customer Research & Insights Freelancer for your project from Upwork, the world's largest work marketplace.
At Upwork, we believe talent staffing should be easy.
How much does it cost to hire a Customer Research & Insights Freelancer?
Rates charged by Customer Research & Insights Freelancers on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.
Why hire a Customer Research & Insights Freelancer in Bulgaria on Upwork?
As the world's work marketplace, we connect highly-skilled freelance Customer Research & Insights Freelancers and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream Customer Research & Insights Freelancer team you need to succeed.
Can I hire a Customer Research & Insights Freelancer in Bulgaria within 24 hours on Upwork?
Depending on availability and the quality of your job post, it's entirely possible to sign up for Upwork and receive Customer Research & Insights Freelancer proposals within 24 hours of posting a job description.
Find more freelancers
Top cities for Customer Research & Insights Freelancers in Bulgaria