Haskell Freelancers

Browse Haskell job posts for project examples or post your job on Upwork for free!

Haskell Job Cost Overview

Typical total cost of Upwork Haskell projects based on completed and fixed-price jobs.

Upwork Haskell Jobs Completed Quarterly

On average, 2 Haskell projects are completed every quarter on Upwork.

2

Time to Complete Upwork Haskell Jobs

Time needed to complete a Haskell project on Upwork.

Average Haskell Freelancer Feedback Score

Haskell Upwork freelancers typically receive a client rating of 4.89.

4.89
Last updated: July 1, 2015

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  1. Oscar Rendon

    Oscar Rendon

    Ruby, Rails, Js and FP

    Colombia - Last active: 1 month ago - Tests: 6 - Portfolio: 2

    Over the last 7 years, I have developed a lot of solutions with primary focus on web applications. My core skills are: Ruby, Ruby on Rails, Javascript/Ajax, C#, ASP.NET, HTML5, MySQL, SQLServer, Oracle. I also used to work with LAMP. I've solid experience on Cloud (Heroku, GAE), windows/linux server administration, software architecture and high level design. My github profile: https://github.com/orendon

    Groups: Engine Yard Ruby on Rails Professionals Network

    $50.00 /hr
    260 hours
    5.00
  2. Dave Tapley

    Dave Tapley

    Experienced and versatile graduate developer

    United States - Last active: 1 day ago - Tests: 8 - Portfolio: 8

    Since completing my masters at university in 2007 I have worked for multiple years both in full time in office, and full/part time on oDesk. Notable professional experience, in reverse chronological order: * Chronos, a personal time management app for iOS/Android, with companion website: http://getchronos.com/. * AuthorityLabs, a SEO rank tracking website; using Ruby/Rails, MySQL, Mongo, jQuery. * Helping you succeed LLC, a financial services application; written in Haskell using the wxWidget library. * Codemasters, working on the award winning multi-platform Formula 1 game series; entirely C++. * Last.fm, a music website, with over 40 million active users; working on back-end systems in Java, Tomcat and Hadoop. These positions allowed me to gain a range of complementary skills in the programming field, with a focus on code quality and performance. Academically I have a first class degree in computer science and a masters degree in computational intelligence and robotics, the latter of which I received funding for from the EPSRC. I am have been passionate about computers since a young age, as reflected by my academic and professional path. I have been involved in countless personal projects, enjoy finding solutions to challenges, and am always eager to try new approaches to computational problems.

    $50.00 /hr
    2,896 hours
    4.99
  3. Zhenya Z.

    Zhenya Z.

    Experienced Programmer

    China - Last active: 4 months ago - Tests: 6 - Portfolio: 4

    8 years experience programming for web applications to build meet requirements, cross-browser, good-looking, maintainable, scalable web applications. Key skill set: - Django / Python - Rails / Ruby - jQuery / Javascript - Twitter Bootstrap / Css - HTML5 - PostgreSQL / MySQL / Nosql - Unix-like OS (Mac OS X & Ubuntu & Fedora & CentOS) / Bash - Apache / Nginx - Git / Svn Other related skills: - Programming language: Hashkell, Racket, SML(NJ), C, Java, x86 Assembly - Mobile development: Android Apps - Web services: Google Map / Twitter / Facebook APIs And great english skills with strong new tech learning ability.

    Groups: LoginRadius

    $34.00 /hr
    1,073 hours
    4.86
  4. Pasqualino Ferrentino

    Pasqualino Ferrentino

    Machine learning, pattern recognition, image analysis, sys developer

    Italy - Last active: 1 day ago - Tests: 17 - Portfolio: 1

    I am a computer scientist whose main skills are in the field of data analysis, pattern recognition, statistical software, machine learning and large scale system design and integration. I have developed systems using Neural Networks, Markov chains, Support Vector Machines in various applications: OCR, image processing, data analysis, text indexing and retrieval. I am also proficient in 3D image visualization using common off the shelf libraries and methodologies, either low or high level, like OpenGL, DirectX, VTK, Java3D. I understand and use common ray tracing programs. I understand image processing topics like segmentation, thresholding, classification. I have worked in the past in a 3d Face recognition European project. I know the OpenCV library quite well. In the field of "general programming" I have a good understanding of Databases, multi threaded applications, sockets, pipes, encryption (symmetric and asymmetric), compiler design, operating systems, low level data structure in memory and on disk, data integrity. I consider myself an expert in data structures and algorithms: trees, queues, lists, b-trees, hash tables; I use standard libraries like STL, Boost, Java generics. I have a good knowledge of SQL and data normalization however I have also used custom No-SQL databases like Datadraw, MapDB, Tokyo Cabinet, Zope. I know all the basic algorithms and templates used in every day coding; regarding data integrity and security. Compression (lossy and lossless), symmetric and asymmetric encryption, public certificates, I have worked with OpenSSL programming, encrypted web services, packet sniffers. I am proficient in all the common every day languages with an emphasis on C++ and Perl. But I can use: Java, Python, Visual Basic, C#, PLSQL, Delphi. I know all the Object Oriented Programming concepts and design patterns and I use them if the need arises, but I am also able to write object-free programs in C or functional languages (like Haskell or Scheme). I know modern version control systems like git and mercurial, even if I can use also older ones like Subversion or CVS. I know Windows programming and API quite well. I have used WPF and WCF to create desktop applications in Windows and web services. I have used Linux and Gui toolkits like Qt which are platform independent. I know XML, XSL, I have used several parsers like the MsXML or Xpath. I know how to validate a XML with a schema. I have worked with a team that handled thousands of XML documents relating to air crashes in a SQL server database. I am able to talk and write in English with fluency. If anything is not listed here either I have forgotten to list it or I can probably learn it quite fast, so don't hesitate in asking!

    $24.41 /hr
    6,924 hours
    4.97
  5. Dmitry Paramonov

    Dmitry Paramonov

    Python System/Web Developer

    Russia - Last active: 1 day ago - Tests: 5 - Portfolio: 3

    Python is my favourite language and I use it for implementing various system utilities and web backends (with Django framework). I am a server-side guy but despite this I also know how client-side (JavaScript, etc.) stuff works. Besides Python I like functional languages: Haskell, Ocaml, Lisp (Scheme) but they are just my hobby.

    $27.78 /hr
    1,473 hours
    5.00
  6. Pablo V.

    Pablo V.

    Programmer, system administrator and designer

    Spain - Last active: 1 day ago - Tests: 7 - Portfolio: 1

    - Quick Bio I was very interested in computers since I was a kid, I started my contact with them using a very old 386 IBM PC running MSDOS. When I was 12 years old I realized computers were not meant only for gaming, so I learned to program in Visual Basic and Borland C, since then, I keep on learning new programming languages one at a time and studying other fields like system administration, network protocols, graphic design, music production and web development. To resume my impressions after many years coding, I can say about me that I fall in love easily with any new challenge and keep working on it until becomes no more a challenge. - Education I finished elementary and secondary school and found no interest on starting University, so I went for the choice of educating myself using books, manuals, papers and practice. This way has given me many success and also many rejections by former potential employers. As I consider myself a honest person, I will not try to impress you with a list of educational centers and dates, but I’m glad to provide you a list of my skills in several fields. - Professional Experience I was working in many different jobs (from construction to commercial) since I’m 17 years old, and started to work professionally with computers at the age of 21. My first job was in a marketing and advertising agency as a graphic designer and web developer. After 1 year working there, I moved to a pure web development company and my main task was to recode a very old CMS system. After almost two years, I moved to Germany and I was hired by a company that works very close to the Swiss tourism web marketing team. My main task here consisted in administering more than 50 virtual machines in amazon ec2 cloud, aside with hundred of web services. Eventually I did backend and frontend development and migrations of ~2GB of relational data to a MongoDB replica set. - Objective I’ve just started my career as a freelance, currently looking for customers that are not afraid of taking technology risks but understand what controlled evolution is, that do not live in a fantasy bubble where technology progress does not exists and are always willing for a better system or product. Those who give me enough freedom to innovate, but surround me with domain knowledge in order to create together nothing less than tailor-made solutions. If you are this kind of customer, we are already in the same wave, and I will be glad to get immediately in contact with you for pushing that project as far as it deserves. -

    $34.00 /hr
    655 hours
    4.79
  7. Dionis Spinei

    Dionis Spinei

    Software Developer

    Moldova - Last active: 1 day ago - Tests: 2

    Web development: - 1 year as a developer at german company Starsoft - 1 year as team leader at the same company PHP: - Legacy ecommerce system refactoring using symfony (and other) components - Feedify plugins (product export and synch) for OsCommerce, Shopware, Opencart - Developed a new billing and invoicing system, using Symfony 2, with REST API, integrated with WireCard. Algorithms: - Intel ISEF (Moldova) 2013 1st place. - National Informatics Olympiads of Moldova, 2013, 2nd place. I have experience in OOP design patterns, arhitectural decisions, maintaining an application's production stack, specifically in AWS.

    $12.00 /hr
    14 hours
    5.00
  8. Alexander Shevtsov

    Alexander Shevtsov

    Mathematician, physicist, ruby and haskell developer.

    Belarus - Last active: 1 month ago - Tests: 1

    I'm a mathematician with strong background in abstract and academic branches of maths. Besides that, I'm ruby (RoR) and haskell developer. Ruby on rails: participated in various projects in which I was backend developer. Typical tasks I've been doing: creating APIs, developing models' logic, gem maintenance, creating small frameworks (for other team members), server management. Haskell is a point of my academic interest, my experience in it mostly consists of implementing algorithms, creating small programs. In addition I'm good at physics and cryptography, that can be useful.

    $16.67 /hr
    101 hours
    4.92
  9. Josh Freckleton

    Josh Freckleton

    I build apps.

    United States - Last active: 22 days ago - Tests: 2

    I'm in love with all things Mobile / Web. I'm proficient in the following skills, and I'm amiable and reliable to work with :) I am proficient at building apps using cross platform frameworks, especially AngularJS and Ionic. If you want to code once, deploy to all mobile devices, this is the technology stack you want. If you want it to look good and work great, I'm your guy. freckletonj@gmail.com

    $44.28 /hr
    216 hours
    5.00