Nikolay Lesko

Senior Frontend Engineer

Build and maintain React features for a credit platform, develop client-specific Angular applications, and contribute to Node.js and Next.js backends. Improved flow-chart visualization performance and migrated build system to Webpack.

ReactReact QueryMobXApollo GraphQLTypeScriptFormikYupstyled componentsKendo ReactStorybookJestReact Testing LibraryAngularRxJSRaphaelJSWebpackNodeJSExpressNext.jsRESTDockerDocker Compose

Senior Frontend Engineer

Designed core application structure for a greenfield Angular product, built an in-memory execution engine for a custom query language, and delivered a data grid component. Contributed to a NestJS admin dashboard and settings service.

Angular 2+TypeScriptNgRXNGXSAngular MaterialKarmaProtractorSASSBootstrapWebpackGulpNestJSTypeORMClass ValidatorDocker

Senior Frontend Developer

Trinetix

Developed and refactored features for an internal application suite, built a Node.js backend-for-frontend aggregating reporting data, and implemented REST endpoints with Express and Passport authentication.

AngularJSJavaScriptKarmaJasmineProtractorHTMLCSSBootstrapGulpNodeJSExpressPassportsLodashWinstonPM2

Senior JavaScript / AngularJS Developer

Developed the frontend of a web application from requirements gathering through delivery, and set up automated testing with Karma and Protractor.

JavaScriptAngularJSNodeJSNPMGruntKarmaProtractorSASSBootstrap

Senior Full-Stack Developer (.NET)

Delivered web applications end to end on ASP.NET MVC, implemented data layers with Entity Framework and NHibernate, and built social-platform applications integrating Facebook and Google APIs.

C#ASP.NET MVCEntity FrameworkNHibernateMSSQLWCFWPFSilverlightMVVMPrismXAMLJavaScriptjQueryKnockoutJSAngularJSBootstrap

Senior .NET Developer

Implemented order-management and register-management modules of an enterprise ASP.NET application, built security and permission-checking layer, and developed a dynamic form-loading engine.

C#ASP.NET 4.0NHibernateSQL Server 2008WCFDevExpressStimulsoft Reports

Senior .NET Developer

Developed server and client sides of web applications for banking clients, handled database work including stored procedures and triggers, and integrated systems over SOAP web services.

C#ASP.NET 2.0 3.5Web ServicesWCFMSSQL 2000 2008T SQLBLToolKitTelerik ControlsXMLXSLSOAPjQuery

.NET Developer

Developed, deployed and supported custom SharePoint 2007 solutions for enterprise clients.

SharePoint 2007.NET

C++ Developer

Built interactive multimedia publications and the authoring editor used to produce them.

C++