Konstantin Borisov

Rising Codementor

US$15.00

For every 15 mins

ABOUT ME

AWS/.Net/TypeScript consultant with more than 15 years of experience

I have 15+ years of experience in the program development industry. I am a certified AWS developer and can use .NET Core or Node.js/Typescript. I have a lot of experience working with distributed and multinational teams. I work in the field of Enterprise application development with all the whole range of technologies (Web, Desktop or Backend). I have extensive experience of working in such complex areas as legacy codebase maintenance and modification and performance improvement. I am especially strong with DB (SQL design and optimization, DynamoDB).

Russian, Spanish, English

Central America (-06:00)

Joined January 2019

EXPERTISE

SQL

15 years experience

Working with SQL is one of my strongest point. I have experience both with blocking DBs (MS SQL servero) and version based engines (Oracl...

Working with SQL is one of my strongest point. I have experience both with blocking DBs (MS SQL servero) and version based engines (Oracle, Interbase/Firebird). I know how to deal with concurrent problems and complex transactions. I can profile and optimize SQL queries including DB structure desinging and optimization.

ASP.NET

10 years experience

During my carrier I have been working with all flavours of Microsoft ASP .Net technologies starting even with pre .Net Classic ASP projec...

During my carrier I have been working with all flavours of Microsoft ASP .Net technologies starting even with pre .Net Classic ASP project, through ASP .NET Web Forms and ASP .NET MVC to the modern SPA with ASP .NET Web API backend.

ASP.NET MVC ASP.NET MVC

ASP.NET MVC ASP.NET MVC ASP.NET Core ASP.NET Web API ASP.NET Web Forms

Desktop Applications

7 years experience

I have vast experience creating Desktop Application with strict performance requirements and rich UX. I use both Win.Forms and WPF, with ...

I have vast experience creating Desktop Application with strict performance requirements and rich UX. I use both Win.Forms and WPF, with complex binding, animation effects and modern-looking UI. My knowledge of Win32API allows me to implement technically complex business logic and interact with 3rd party components.

C#WCF (Windows Communication Foundation) Service WPF (Windows Presentation Foundation)

Performance Optimization

5 years experience

In each and every project there are numerous performance problems, which I can deal with pretty easily. I have epertise in developing and...

In each and every project there are numerous performance problems, which I can deal with pretty easily. I have epertise in developing and profiling and fixing parallel code.

Server-Side Development Distributed Systems Engineering WCF (Windows Communication Foundation) Service

Server-Side Development Distributed Systems Engineering WCF (Windows Communication Foundation) Service Parallel Programming

REVIEWS FROM CLIENTS

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SOCIAL PRESENCE

GitHub

coursera-js

AngularJS coursera course

JavaScript

gittest

Test Git branching features

Stack Overflow

1 Reputation

Community Posts

LINQ and Algorithmic Tasks

LINQ forms a new way of thinking and implementing complex business logic. This article shows this phenomenon based on some Google Interview questions.

MS SQL Server for logical conclusion

This article shows how SQL Server and Common Table Expressions can be used to process complex logical computations with great performance.

CSS tricks: A click counter without Javascript

Here I describe how you can achieve click counter behavior without using Javascript. And there is some real-life use for this trick which I described as well.

EMPLOYMENTS

Chief Software Architect

Trilogy

2020-09-01-Present

I work on improving the company sales system (Salesforce) and integrating it with the company financial system (NetSuite) including imple...

I work on improving the company sales system (Salesforce) and integrating it with the company financial system (NetSuite) including implementing a Self-serve portal and API. Responsibilities: System design (API, DB design, choosing technologies); PoC implementation for demo at VP level; Implementing ETL and synchronization between financial and sales company systems using APIs and IPaaS (Tray.IO, Devflows); Development, optimization, bringing PoC to a production ready level; Designing build and deployment systems (AWS CDK, Amplify for PoCs).

Node.js

Salesforce

TypeScript

Node.js

Salesforce

TypeScript

AWS Lambda

NetSuite

RESTful API

AWS (Amazon Web Services)

Senior .Net Developer/Architect

Home CNC

2016-05-01-2020-09-01

I develop code for a startup. The project is a WPF application for vector graphic processing, interacting with hardware via COM. The proj...

I develop code for a startup. The project is a WPF application for vector graphic processing, interacting with hardware via COM. The project has some heavy 2D mathematics for processing vector images and it requires complex UI for drawing curves with tooltip and technological marks

WPF (Windows Presentation Foundation)

Arduino

WPF (Windows Presentation Foundation)

Arduino

ASP.NET

.NET Freelancer

Freelancer

2019-03-01-2020-08-01

I conducted AWS trainings and created functional prototypes: an AWS Serverless for an Angular SPA(Angular is hosted on S3, backend is on ...

I conducted AWS trainings and created functional prototypes: an AWS Serverless for an Angular SPA(Angular is hosted on S3, backend is on Lambda with API Gateway, Cognito is used to manage users and CodeCommit/CodeBuld is used for building and deploy. .Net Core v.3.1 as a platrofm).

TypeScript

Docker

TypeScript

Docker

ASP.NET

Angular 6

PROJECTS

Language Tests

Freelance

2020

WPF application which allows students to train their language knowledge. The project includes getting/parsing data for the tests from sev...

WPF application which allows students to train their language knowledge. The project includes getting/parsing data for the tests from several sources. There are requirements to UX so students will have good experience with the application.

WPF (Windows Presentation Foundation)

JSON

HTTP

WPF (Windows Presentation Foundation)

JSON

HTTP

CNC Control Software

Home CNC

2020

The project is a WPF application for vector graphic processing, interacting with hardware via COM. The project has some heavy 2D mathemat...

The project is a WPF application for vector graphic processing, interacting with hardware via COM. The project has some heavy 2D mathematics for processing vector images.

WPF (Windows Presentation Foundation)

Arduino

WPF (Windows Presentation Foundation)

Arduino