Top Upwork Freelancers

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  1. Farhan Ali

    Farhan Ali

    Oracle DBA & Architect

    Pakistan - Last active: 1 month ago - Tests: 3

    I have more than 12 years of experience in Oracle Database Administration and Development. During my career as DBA, I have managed more than 40 Oracle databases at a single time which included RAC environments also. Performed installation, configuration, performance tuning, RAC installation and administration, DB migration/upgrade, Grid/Cloud control, Data Guard. I have served as Apps DBA for Oracle EBS R12 also for which I have performed installation, administration, cloning, patching, migration, upgrades. In my career as Database Developer, I have worked on the Database Design, Development and Implementation of Core Banking Solution for two largest banks of Pakistan (UBL and MCB).

    $16.67 /hr
    149 hours
    5.00
  2. Gadi Meir

    Gadi Meir

    Access Database and Excel VBA Developer

    Israel - Last active: 21 days ago - Tests: 13 - Portfolio: 10

    Senior Access Database and Excel VBA Developer with over 25 years of programming experience. Native English Speaker. Hard-working, honest, reliable, creative, self-motivated and efficient. Working extensively with Access, Excel together with VBA since 1995 and SQL Server since 2003. Outstanding analysis skills to ensure requirements are fully satisfied. Available to work in different timezones. VP Development in Software house - Access/SQL and Excel developer building complex algorithms.

    $39.90 /hr
    401 hours
    4.97
  3. Maciej C.

    Maciej C.

    Certified Microsoft SQL Server/BI Specialist

    Poland - Last active: 1 month ago - Tests: 3

    I'm Microsoft certified professional with 7 years of experience related to SQL Server. I was working in all aspects of development within SQL Server. Initially I started as relational database developer and successfully I was moving more into Business Intelligence part of SQL Server. Currently I work as senior data warehouse developer on permanent basis in UK. To my responsibilities belong business requirement gathering, data analysis, data modeling and then developing SSIS packages and SSAS cubes.

    $33.33 /hr
    233 hours
    5.00
  4. Petr Brazdil

    Petr Brazdil

    Lead Software Engineer

    Czech Republic - Last active: 1 day ago - Tests: 6

    First and foremost, I am looking for long-term relationships with clients. Therefore I am not interested in short-term jobs with small budget. If you looking for a strong professional who could build Big Data oriented, High load, scalable systems, based on modern technologies, then I'm perfect candidate for you. First and foremost I will briefly summarize my skill set: 1) Go, Ruby, JavaScript, Java, HTML5, C / C++ / C# (Mono), SQL, PHP, Bash, Haskell, Objective-C 2) NoSQL databases like MongoDB, Redis, CouchDB, Cassandra 3) SQL databases: MariaDB, MySQL, PostgreSQL 4) Software Architecture and design - Class diagrams, Use-cases, Activity diagrams, ERD diagrams, knowledge of object oriented design patterns (GoF and others) 5) Project manager - experience with advanced planning techniques so as with leadership. 6) Experienced with developing complex web applications (backend—especially REST, frontend—even JavaScript-heavy), real-time applications, desktop applications (Spring and MSVC C#) and even mobile game. 7) Open-minded, great leadership skills, highly organized, ability to realistically suggest deadlines, result-oriented 8) Mentoring, code reviews and consulting. 9) Cloud based development and deployment (OpenShift Origin and Enterprise, Heroku, CloudFoundry, Amazon Cloud) 10) Experience with many frameworks, including: Ruby on Rails, Sinatra, Beego, AngularJS, UnderscoreJS, BackboneJS, MarionetteJS, Node.js, Beego, Martini, Spring, Xamarin, Marmalade and many more... For me - good architecture and total high quality and efficiency is MUST. My code will SAVE YOUR MONEY during future maintenance. I finished more than 15 projects from start to end, including maintenance phase. I really know how to make software successful and what is that mean: getting things done. How to breath life in software. One of my recommendation on Linkedin which describes me perfectly: "Peter is a experienced IT professional, technically sound with the ability to liaise and negotiate with managers at all levels. Excellent interpersonal skills, performing well under pressure. Organized and flexible with productive time management. I've been working with Peter for more than 1 year and he is the best professional I've ever met, his ideas surprise me every day. Best thing on Peter is that I can truly rely on him in every situation."

    $65.00 /hr
    1,533 hours
    5.00
  5. Anthony Abry

    Anthony Abry

    Trading System Development using Amibroker

    United States - Last active: 17 days ago - Tests: 1 - Portfolio: 2

    System developer, consultant and part time trader at InStat Research. Programming is done with Amibroker's AFL mainly although various scripting languages, C++, C# or Python have also been used. We can program basic indicators, trading systems, and various automation tools, such as automated trading or automated optimizations. We also develop extensions for Amibroker in order to automate manual tasks (i.e. updating databases) or to execute trades on other platforms. I have swing traded and daytraded the markets for years, including ETFs, stocks, bonds, forex, futures, options, mutual funds and know if a system just looks good but is non-tradeable because of liquidity, data or other problems. Our quote will be the maximum we will charge unless the client introduces new criteria once the project has started.

    $90.00 /hr
    324 hours
    4.99
  6. Ivan Matysh

    Ivan Matysh

    Senior .Net Software Engineer

    Ukraine - Last active: 1 month ago - Tests: 2 - Portfolio: 1

    I am a founder and a leader of international software development team from Eastern Europe (Currently I live in Toronto). I can involve talented and experienced full-stack programmers into projects with any complexity level. We provide smart, fast and efficient solutions for business and entertainment. About me as a programmer: I work on software development for last 10 years using different languages, technologies and frameworks like C#, Java, JavaScript, .Net. My core competency lies in complete development of the applications from scratch including analysis, design, implementation, managing, testing, delivery and support. I also have a rich experience in unit, integration, stress and load testing. So I am able to build fast and reliable applications.

    $25.00 /hr
    25 hours
    4.30
  7. Ievgen I.

    Ievgen I.

    Web developer

    Ukraine - Last active: 2 days ago - Tests: 7 - Portfolio: 4

    Hi, My name is Ievgen Iermolenko. In my portfolio, are a few of the projects that I've developed. I believe my strong points are my Creativeness and Punctuality. When working on a new project, I like to speak with the client, so that I can have a clear understanding of his/her needs and vision of the project. I'm honest and fair.

    $25.00 /hr
    52 hours
    5.00
  8. Lai Tash

    Lai Tash

    Python developer

    Russia - Last active: 1 month ago - Tests: 3

    Hello and thanks for your interest in my profile. I've started my programming path in mid 90th, starting from atari and msdos programming. Approximately five years ago i've turned my face on Python, which now became my prefered programming language and the one i have the most experience with, both in desktop and web development.

    $20.00 /hr
    396 hours
    4.94
  9. Igor Z.

    Igor Z.

    Ruby on Rails, AngularJS, Ruby, CoffeeScript, jQuery, SQL

    Belarus - Last active: 18 days ago - Tests: 3

    Over 3 years of development gave me great experience. For this period I've developed a lot of projects using different approaches and technologies. Worked on Ruby on Rails more than last two years. Backend + frontend (JS/jQuery, HTML, CSS/SCSS). Have great experience with AngularJS, Twitter Bootstrap. Can provide good solutions for existing sites or create them from scratch.

    $25.00 /hr
    314 hours
    4.58
  10. Abeer Mostafa

    Abeer Mostafa

    SW Expert, Professional Project Manager, Technical consultant

    Egypt - Last active: 1 month ago - Tests: 2

    Seeking new challenges in management by which I can effectively utilize my managerial skills as a PMP certified as well as my 13 years working experiences in the Information Technology field, To gain more experience and professionalism in management in different managerial areas as the project scope management, schedule, budget, quality and change control, and to contribute gaining more experience towards the qualitative enhancement of my organization

    $33.33 /hr
    1,260 hours
    5.00