Oleksandr – React, Node.js, Typescript, experts in Lemon.io

Oleksandr

From Ukraine (UTC+3)flag

Full-stack Web Developer|Senior

Oleksandr – React, Node.js, Typescript

Oleksandr is a full-stack developer with 4+ years of commercial experience delivering features on time and managing project tasks effectively. He is experienced in building advanced search and data-driven solutions using Elasticsearch, React, Node.js, and cloud technologies such as AWS. Oleksandr is skilled at handling complex tasks in agile environments and focused on creating practical, maintainable, and impactful software.

5 years of commercial experience in
AI
Entertainment
Main technologies
React
4 years
Node.js
4 years
Typescript
1 year
Additional skills
PostgreSQL
MongoDB
ElasticSearch
AWS
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Experience Highlights

Senior Full-stack Developer
Jul 2025 - Mar 20268 months
Project Overview

Near is an audio-based communication platform that lets users connect in interactive voice rooms. It features real-time AI voice-to-text transcription, enabling seamless voice command detection (e.g., start, pause, end calls). With a focus on intuitive UX and user privacy, Near offers smart, efficient, and secure voice-driven interaction.

Responsibilities:

Built and optimized the core feature: interactive audio rooms with seamless voice streaming ● Integrated real-time speech recognition using AI/ML APIs, enabling accurate transcription ● Developed logic for detecting voice commands (e.g., start, pause, end calls) ● Designed and deployed a microservices-based backend (Python + PostgreSQL)

Project Tech stack:
React
Python
PostgreSQL
Typescript
Redis
CI
CD
Twilio API
REST API
Full-stack developer
Aug 2023 - Jul 20251 year 11 months
Project Overview

SingPods are the number one provider of premium karaoke booths. From corporate events and brand activations to weddings and private celebrations, the SingPod karaoke booth is always a guest favourite! Easy to book and available for hire and installations, SingPods create memorable moments that last long after the party is over.

Responsibilities:
  • Implemented an advanced smart search system across the entire platform, using Elasticsearch
  • Developed a role-based access control system for staff users
  • Built a document management system that allows venue admins to configure Privacy Policies
  • Developed the pay-per-song functionality from scratch, including new flows and layouts
Project Tech stack:
React
Node.js
TypeORM
PostgreSQL
Full-stack developer
Jul 2022 - Jul 20231 year
Project Overview

Homelike is an advanced platform simplifying apartment reservations across Europe for short- and long-term stays. It uses Google Maps and AI to provide interactive maps and personalized search results based on user preferences. With PDF parsers and template engines, it streamlines rental agreement management.

Responsibilities:
  • Used Google Maps API to allow users to search visually by neighborhood
  • Enabled seamless extraction of key data from uploaded rental documents
  • I implemented PDF parsers and template engines to streamline the rental agreement process
  • I designed a user-friendly interface that simplifies complex tasks
Project Tech stack:
React
Node.js
AWS
GraphQL
Full-stack developer
May 2021 - Jul 20221 year 2 months
Project Overview

GoDaddy is the world’s largest services platform for entrepreneurs, with 21+ million customers looking to name their idea, establish a captivating brand, create an impressive website, attract customers through digital and social marketing, and effectively manage their work. It also assists consumers in comparing, choosing, and purchasing the best online addresses.

Responsibilities:
  • I developed tools to streamline domain name search, comparison, and registration
  • I implemented features for creating captivating websites and brands
  • I optimized digital and social marketing integrations
  • I improved hosting and domain management systems, making them more intuitive
Project Tech stack:
React
Typescript
Firebase
MongoDB
Full-stack developer
Jan 2021 - Aug 20217 months
Project Overview

Tekk is a marketplace that allows customers to explore products, filter search results, and bookmark their favorite items. It provides a comprehensive platform for finding great deals, discovering upcoming tech events, and accessing expert advice within the Tekk community.

Responsibilities:
  • Built advanced filtering and sorting logic to help users quickly find relevant products
  • Enabled users to save and manage favorite products with persistent storage
  • I implemented backend solutions that support the integration of tech events
  • I integrated a robust search and filtering system
Project Tech stack:
React
Node.js
AWS
Typescript

Languages

English
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