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Vlad S.
🇵🇱Poland
Created AtUpstaffer since February, 2025

Vlad S. — JavaScript (Node.js, React.js) Developer

Expertise in Front-End Web (7.0 yr.), Back-End Web (7.0 yr.), Mobile Apps (6.0 yr.), React Developer.

Last verified on April, 2025

Bio Summary

A highly skilled software engineer with expertise in JavaScript, TypeScript, Node.js, React.js, and a range of databases including SQL (MySQL, PostgreSQL) and NoSQL (MongoDB, Redis). Demonstrates proficiency in HTML, CSS, and responsive design, as well as advanced ORM tools (TypeORM, Prisma) and API development (REST, GraphQL). Adept at state management using Redux, MobX, and has experience with Docker for containerization. Showcases a strong background in computer science, evidenced by work on complex projects such as a global sports streaming platform and an online casino network, revealing a deep understanding of modern web technologies and best practices. Excels in collaborative environments, where they have led teams towards the successful delivery of products meeting stringent performance and reliability standards.

Technical Skills

Programming LanguagesJavaScript, Objective-C, TypeScript
JavaScript Libraries and ToolsBabel, Fastify, Mobx, React Context, React Native, React Router, Redux-Saga
JavaScript FrameworksExpress, Lodash, NestJS, Node.js, React, Vue.js
UI Frameworks, Libraries, and BrowsersMaterial UI, SASS/SCSS, Storybook
Databases & Management Systems / ORMAWS DynamoDB, MongoDB, MySQL, PostgreSQL, Prisma, Redis, Typeorm
Cloud Platforms, Services & ComputingAWS
Amazon Web ServicesAWS DynamoDB
Adobe Experience Manager (AEM)AEM 6.2
Deployment, CI/CD & AdministrationCI/CD, New Relic
Methodologies, Paradigms and PatternsClean Architecture
SDK / API and IntegrationsGraphQL, RESTful API, Shopify API
QA, Test Automation, SecurityJest
Message/Queue/Task BrokersMQQT
Web/App Servers, MiddlewarePWA
PlatformsShopify
Virtualization, Containers and OrchestrationTerraform
Other Technical SkillsHTML/CSS, STLC

Work Experience

JavaScript (React.js/Node.js) developer, ITERIUS

Duration: 05/2021 - 06/2022
Summary: Iterius is an application that facilitates tracking of working hours, spending on projects and tasks, with reporting capabilities.
Responsibilities: Developed adaptive layouts and dynamic logic for result tables, including PDF export functionality. Integrated third-party APIs. Collaborated with teams for service integration. Front-end code optimization.
Technologies: React.js, Typescript, Node.js, Express.js, PostgreSQL, TypeORM, SASS, MobX, Rest API

JavaScript (React.js/Node.js) developer, AS-TX PROJECT

Duration: 02/2022 – 09/2022
Summary: AS-TX Project is a responsive web platform for property buying and selling, focusing on the property acquisition process post-offer acceptance.
Responsibilities: Created adaptive layouts. Integrated client-side routing and navigation. Implemented reusable components with Material UI. Managed state with Redux and MobX for performance.
Technologies: React.js, Redux, Progressive Web App (PWA), React Router, SaaS, Web Workers, Material UI, React testing library, Storybook

JavaScript (React.js/Node.js) Developer, ONLINE CASINO PROJECT

Duration: 09/2022 – 02/2024
Summary: Online Casino Project caters to a playground network for gambling, featuring payments, promotions, notifications, and user account management.
Responsibilities: Developed front-end application functionalities for payments, promotions, notifications. Worked on registration, login forms, test coverage, Storybook. Collaborated with cross-functional teams for ticket preparations and improvements.
Technologies: React.js, Redux, Redux-Saga, Lodash, Jest, AEM, Es-lint, Webpack

JavaScript (React.js/Node.js) Developer, SPORTS STREAMING AND ENTERTAINMENT PLATFORM

Duration: 02/2024-08/2024
Summary: Sports Streaming and Entertainment Platform is a leading global service offering live and on-demand sports content without traditional broadcast limitations.
Responsibilities: Developed front-end components using React and TypeScript. Integrated APIs for real-time data streaming. Enhanced UI/UX and conducted testing. Implemented monitoring with New Relic and OpenTelemetry.
Technologies: React.js, Nest.js, TypeScript, Express, Fastify, PostgreSQL, DynamoDB, Docker, CI/CD, Terraform, AWS, Event-driven architecture, NewRelic, OpenTelemetry

Education

  • Master’s degree
    not provided
    not provided

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