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bohdan_lubenko

Bohdan S

@bohdan_lubenko

Building secure and scalable web apps with Nodejs

Ukraine
Ukrainisch, Englisch
Einige Informationen werden in englischer Sprache angezeigt.
Über mich
Backend Developer with 3+ years of experience in Node.js, AdonisJS, NestJS, React. I build secure, scalable web apps, APIs, and integrations (Stripe, AWS, Google APIs). Skilled in PostgreSQL, MySQL, MongoDB, authentication, and responsive UI. Clear communication, on-time delivery, and high-quality code. Let’s turn your idea into a fast, reliable solution!... Mehr lesen

Kompetenzen

b
bohdan_lubenko
Bohdan S
offline • 

Meine Dienstleistungen

API & Integrationen
I will build a fast and scalable nodejs rest API with integrations
Ab25 $ / ProjektWeitere Details
Full-Stack-Webanwendungen
I will build a fullstack web app with nodejs and react
Ab25 $ / ProjektWeitere Details

Portfolio

Arbeitserfahrung

Middle Backend Developer

RexSoft • Vollzeit

Oct 2023 - Present • 2 yrs 7 mos

Backend Developer working on multiple SaaS and web platforms for international clients. Participated in the development of various products including CRM systems, AdTech platforms, marketplaces, logistics systems, and internal tools for real estate agencies. Some projects also included mobile applications and customer-facing web platforms. Responsible for full backend development cycle: system architecture, API development, database design, integrations with third-party services, deployment, and ongoing maintenance. Built and maintained integrations with external services including payment systems (Stripe), AI services, messaging systems, email/SMS providers, and other APIs. Developed scalable backend services using Node.js and TypeScript, working with technologies such as PostgreSQL, Redis, BullMQ, Docker, and AWS infrastructure. One of the notable implementations was a fully independent real-time chat system with automatic file preview generation for multiple file types. Experienced in building reliable REST APIs, background job processing, and designing systems that support multiple services and high-load scenarios.

Junior Backend developer

devSmile • Vollzeit

Nov 2022 - Oct 2023 • 11 mos

Worked as a Backend Developer on a chatbot builder platform that enabled users to create and manage automated bots across multiple messaging platforms. Implemented backend services responsible for bot logic execution, message routing, and integrations with APIs of platforms such as Telegram and Viber. Focused on scalable processing of multiple bots running simultaneously and maintaining reliable communication between services.