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Skills

  • Software Development
  • Data Management
  • Microsoft SQL Server
  • MySQL
  • PostgreSQL
  • Server Administration
  • SQL
  • Agile
  • Angular
  • Backend
  • Data Analysis
  • Database Administration
  • Distributed Computing
  • Firebird
  • Front End Development

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Services

  • Database optimization and development

    $85/hr Starting at $425 Ongoing

    Dedicated Resource

    Optimization of database (queries, schema, server settings and architecture) on PostgreSQL, MySQL, Firebird, MS SQL Server. Among past experience there are optimization of both large scale databases (400GB...

    Data ManagementDatabase AdministrationFirebirdMicrosoft SQL ServerMySQL
  • Web application & services development

    $85/hr Starting at $1K Ongoing

    Dedicated Resource

    Development of small through large scale systems development for web. Main technologies stacks are: NodeJs, Python, Go (on back-end) and Angular (on front-end). Main databases are: PostgreSQL, MySQL,...

    AngularBackendFront End DevelopmentGoGolang
  • Project management

    $85/hr Starting at $1K Ongoing

    Dedicated Resource

    I have being managing teems consisted of from 3 up to 20 participants (developers, QA engineers, administrators) both collocated and distributed for last 13 years. In my work I adhere to use Agile methodologies...

    AgileDistributed ComputingKanbanLikesManagement
  • Machine Learning

    $85/hr Starting at $850 Ongoing

    Dedicated Resource

    Data analysis and building predictive models (using ScyKitLern, TensorFlow, etc) and development dataflow schemas using developed models.

    Data AnalysisData ManagementMachine Learning

About

Senior Software Engineer / Project Manager / Team Lead PostgreSQL / NodeJs / Go / Python / Machine Learning

Passionate software engineer, project manager, team lead with more than 15 years of experience. I go deep into the subject area and carefully listen to you to create really what you want and need. There is no unimportant aspects of the product for me and I consider every small piece of code to be perfect.

My aim is to receive not a one time job but regular customer or even a friend.

Mostly I like to work in team of the same passionate programmers as I am to interchange ours skills and experience. And it is always great to have friend's shoulder in difficult situation :)

The most of my experience is on:
- database development and optimization (SQL, PostgreSQL, Firebird, MS SQL Server, MySQL, SQLite and so on);
- desktop application development (Delphi, Qt);
- server software and RESTful API (NodeJs, Go (Golang), Python, ZendFramework, PHP);
- web client software (Angular, DojoJs, Bootstrap and so on with Javascript and CSS3, HTML5);
- Git, Jira, Agile dev;
- machine learning (scikit learn, predictive models building).

My public profiles on GitHub, Bitbucket:
GitHub: PerhunAndrey
Bitbucket: Andrii_Perkhun

Work Terms

"Fixed price". This scheme is applicable when I know client’s requirements, technical task and amount of work before the development. "Fixed price" is acceptable mainly for small and medium projects with terms up to 1 month.

"Hourly payment". This scheme is convenient for projects without defined terms (technical support, irregular tasks, tutoring the client) or when it is hard to define project requirements and/or estimate its complexity on the beginning. In this case we try to regularly clarify terms and budget in order not to exceed client's financial capabilities and at the same time to create the most functional product with fixed budget/terms.

Minimum hours/budget: 5hrs / $425

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