Profile image of lafor

lafor

and invite this freelancer
Flag of Poland Katowice, Poland
It's currently I'm Online! I'm Offline
Member since July, 2010

I specialize in automated data extraction, processing, mining and statistical analysis. I run a small web scraping company utilizing our in-house developed tools and infrastructure allowing us to complete any data-related project faster than anyone else here. If you need some data scraped, I'm your guy. I have a Masters degree in Computer Science (2006) and I'm quite proficient with a number of programming languages ranging from popular ones like C, Python, PHP or Perl to more esoteric ones like various Lisp dialects or Erlang. I'm the author of a few popular open source libraries. I'm also quite competent at web development (both backend and frontend), having been a senior developer in a webdev company for a number of years. Unlike many here, I don't resell or subcontract projects; I get the job myself and get it done right. How (not) to hire a freelancer ------------------------------------------ Even if you're not interested in my services, consider the following tips on how to pick the right provider here: 1. Look for verified providers only. There is no reason a freelancer would not verify his account unless he's up to something shady. 2. Beware of subcontractors! People with hundreds of reviews, even though they might look trusted, are often running teams of underpaid Indian workers, or subcontract projects. This is especially true for accounts with reviews in categories as different as, say, database administration and interior design, or with accounts getting new reviews every single day. You will have no control over who's actually working on your project and no means of direct communication with that person. 3. Don't award your project right away. People placing their bids within minutes of publishing a project often fall in the category described above. By not waiting additional day or two you won't give real talended freelancers a chance to place their bids. 4. Ignore "copy-and-paste" bids. If a bidder provides no details relating specifically to your project in his bid, the bid was most likely placed by a bot or a guy who's going to subcontract it. 5. Only consider people with decent enough command of English. Should there be any problems with your project, communication problem is the last thing you need.

5.0 / 5
7.6 / 10

@lafor

  • 93%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 23%Repeat Hire Rate

Recent Exams

  • Freelancer Orientation Top 1%
    90%
  • PHP5 1 Top 1%
    95%
  • Numeracy 1 Top 1%
    100%
  • HTML Level 1 Top 2%
    88%
  • Regular Expressions Top 3%
    78%
  • General Orientation Top 4%
    85%
  • Http Top 5%
    88%
  • PHP Level 1 Top 5%
    85%
  • UK English 1 Top 5%
    88%
  • Python Level 1 Top 6%
    88%
  • SQL Level 1 Top 7%
    93%
  • Unix Level 1 Top 7%
    95%
  • MySQL Level 1 Top 10%
    80%
  • US English Level 1 Top 18%
    95%

Top Skills

  • Web Scraping
  • Excel
  • Data Entry
  • Data Mining
  • PHP
  • Data Processing
  • Web Search
  • Software Architecture
  • Python
  • Javascript
  • Website Design
  • AJAX
  • HTML
  • Script Install
  • Graphic Design
  • CSS
  • PSD to HTML
  • Big Data
  • XML
  • Linux
  • Photoshop
  • SQL
  • Illustrator
  • HTML5
  • C# Programming
  • eCommerce
  • Leads
  • UNIX
  • jQuery / Prototype
  • System Admin
  • Web Security
  • Software Testing
  • Illustration
  • Test Automation
  • Apache
  • Zend
  • Nginx
  • Icon Design
  • Yii
  • Poster Design
  • OCR
  • MVC
  • Website Management
  • English (UK)
  • Polish
  • English (US)
  • Web Hosting
  • VPS
  • Bootstrap
  • PostgreSQL
  • Ubuntu
  • Debian
  • Laravel
  • Microsoft Office
  • SQLite
  • RESTful
  • Scheme
  • Statistical Analysis
  • Internet Security
  • Git
  • Data Science
+ show more

Recent Reviews

  • image of thekloszewski Data Scraping as Discussed $60.00 USD

    “Absolutely amazing freelancer. Delivered in hours instead of days.”

    thekloszewski Flag of Poland 3 hours ago.
    • Data Processing
    • Data Mining
    • Hire me
  • image of rgtt Web scraping / Parsing project $220.00 USD

    “Outstanding freelancer! Very knowledgeable and motivated. Highly recommended to any project.”

    rgtt Flag of United States 3 days ago.
    • PHP
    • Java
    • Javascript
    • Web Scraping
  • image of mathslearning Data Scraping -- 2 $100.00 USD

    “Excellent as always - job gets done in quick time and no fuss!”

    mathslearning Flag of Thailand 4 days ago.
    • PHP
    • Website Design
    • Graphic Design
    • HTML
  • image of CanuckAnalyst web work as discussed $100.00 USD

    “very satisfied. Delivered the work that was promised ahead of schedule.”

    CanuckAnalyst Flag of Canada 6 days ago.
    • PHP
    • Data Entry
    • Excel
    • Web Scraping
    • Data Mining
    • Hire me
  • image of Quick39 Remove square brackets and numbers inside them and replace with a space $10.00 USD

    “Great work and super fast!”

    Quick39 Flag of United States 6 days ago.
    • Data Processing
    • Data Entry
    • Proofreading
    • Editing
    • Copy Typing
  • image of MatthewNorth Scrape quotes from website $100.00 USD

    “Fast, efficient. Will work with again.”

    MatthewNorth Flag of New Zealand last week.
    • PHP
    • Web Scraping
    • Technical Support

Education

Masters of Computer Science

2001 - 2006 (5 years)

Badges

  • Quick Pick

    Award your project within 24 hours of posting
  • The Giver

    Award your project to a Freelancer.
  • The Chosen One

    Accept 100 projects.
  • The Prospector

    Post your first project.
  • UK English Qualified

    Pass the UK English Exam (Level 1)
  • UK English Qualified

    Pass the UK English Exam (Level 1)
  • Frequent Visitor

    Log in in every day for 1 month.
  • The Achiever

    Accept 50 projects.
  • The Regular

    Log in every day for 1 week.
  • The Centurion

    Complete 100 projects.
  • The Spartan

    Bid on 300 projects.
  • Nine-to-Fiver

    Win a project and accept the offer.
  • Down but Not Out!

    Re-sponsor your bid after being outbid.
  • The Speculator

    Sponsor 1 bid.
  • The Cap-tain!

    Reach the level 20 level cap!
  • Warren Buffet

    Complete a project worth over $1000 USD.
  • The Multi-tasker

    Complete 40 projects.
  • Neighbourhood Watch

    Reporting a user who violates our terms of service
  • The Collector

    Reach a balance of 5,000 credits.
  • Mover and Shaker

    Create 50 Milestones.
  • Fast Responder

    Bid within 2 minutes of a project being listed.
  • Perfectionist

    Receive 5-star ratings in 90% of your completed projects (minimum 10 projects).
  • Insta-Hire

    Use Hire Me to employ a Freelancer.
  • The Verified

    Verify your payment method
  • Feedback Guru

    Receive 10 reviews
  • Smooth Operator

    Complete 10 projects on time.
  • The Critic

    Post 10 Reviews.
  • The Economist

    Complete 10 projects on budget.
  • Simply the Best

    Complete 5 or more projects, with a 95% completion rate.
  • The Enforcer

    Reporting a project or contest that violates our terms of service.
  • Smart Money

    Create 10 Milestones.
  • High Roller

    Complete a project worth over $500USD (or equivalent) on Freelancer.com.
  • The Seeker

    Bid on 20 projects.
  • Look-At-Me

    Highlight 1 bid.
  • The Biller

    Create an hourly invoice.
  • The Perfectionist

    Edited a bid.
  • All Star

    Receive a 5-star rating for a project.
  • The Adventurer

    Complete your first project.
  • The Chosen One

    Accept 100 projects.
  • The Centurion

    Complete 100 projects.
  • Warren Buffet

    Complete a project worth over $1000 USD.
  • The Collector

    Reach a balance of 5,000 credits.
  • Mover and Shaker

    Create 50 Milestones.
  • Frequent Visitor

    Log in in every day for 1 month.
  • The Achiever

    Accept 50 projects.
  • The Spartan

    Bid on 300 projects.
  • The Cap-tain!

    Reach the level 20 level cap!
  • The Multi-tasker

    Complete 40 projects.
  • Perfectionist

    Receive 5-star ratings in 90% of your completed projects (minimum 10 projects).
  • Smooth Operator

    Complete 10 projects on time.
  • The Economist

    Complete 10 projects on budget.
  • Simply the Best

    Complete 5 or more projects, with a 95% completion rate.
  • Smart Money

    Create 10 Milestones.
  • High Roller

    Complete a project worth over $500USD (or equivalent) on Freelancer.com.
  • All Star

    Receive a 5-star rating for a project.
  • Quick Pick

    Award your project within 24 hours of posting
  • The Giver

    Award your project to a Freelancer.
  • The Prospector

    Post your first project.
  • UK English Qualified

    Pass the UK English Exam (Level 1)
  • UK English Qualified

    Pass the UK English Exam (Level 1)
  • The Regular

    Log in every day for 1 week.
  • Nine-to-Fiver

    Win a project and accept the offer.
  • Down but Not Out!

    Re-sponsor your bid after being outbid.
  • The Speculator

    Sponsor 1 bid.
  • Neighbourhood Watch

    Reporting a user who violates our terms of service
  • Fast Responder

    Bid within 2 minutes of a project being listed.
  • Insta-Hire

    Use Hire Me to employ a Freelancer.
  • The Verified

    Verify your payment method
  • Feedback Guru

    Receive 10 reviews
  • The Critic

    Post 10 Reviews.
  • The Enforcer

    Reporting a project or contest that violates our terms of service.
  • The Seeker

    Bid on 20 projects.
  • Look-At-Me

    Highlight 1 bid.
  • The Biller

    Create an hourly invoice.
  • The Perfectionist

    Edited a bid.
  • The Adventurer

    Complete your first project.