Oleksii K.
Offer Oleksii work on your next project.
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Offer work
Chernovtsy,
Ukraine
8 hours 33 minutes back
available for hire
1 Safe completed
3 months 14 days back
1 client
on the service 11 months 13 days
Rating
Successful projects
Average rating
Skills and abilities
Programming
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AI & Machine Learning
from 11 USD for hour
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Desktop Apps
from 11 USD for hour
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HTML & CSS
from 11 USD for hour
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Java
from 11 USD for hour
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Javascript and Typescript
from 11 USD for hour
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Web Programming
from 11 USD for hour
Design & art
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AI Art
from 11 USD for hour
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Interface Design (UI/UX)
from 11 USD for hour
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Presentations
from 11 USD for hour
Portfolio
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451 USD Office OS — Universal ecosystem for business management
Web Programming
A maximally flexible life and project management system that replaces paid SaaS services.
Task: Create an autonomous space where all aspects of life are combined: from work projects to personal notes, without monthly payments.
Implementation: A large-scale architecture on Google Apps Script that integrates over 10 modules into a single SPA interface.
Key technical features:
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Multi-Theme Engine: Implemented a system with 35+ visual themes (from Apple Style to Minimalist) that switch instantly.
Interactive Kanban: A full-featured task board with Drag-and-Drop mechanics on Vanilla JS.
Centralized Database: An architecture where all data is stored in structured arrays, ensuring fast search and filtering.
Result: Complete independence of the client from subscriptions (Notion/Trello) and 100% data privacy within a single Google Drive.
#NoCode #NotionAlternative #SaaS #Automation #GoogleSheets #CleanDesign
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406 USD Smart Inventory Manager v2 — Smart Warehouse
Web Programming
Inventory Management System with Artificial Intelligence Elements.
Task: Optimize purchases and prevent "Out of Stock" situations.
Implementation: Backend on GAS with demand forecasting.
Key Technical Features:
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Predictive Ordering: An algorithm that suggests purchase volume based on sales dynamics from previous periods.
Barcode Support: Integration with mobile scanners for quick inventory.
Multi-Warehouse Logic: Accounting for stock at different points/warehouses in one window.
Result: Release of frozen capital in stock and sales stability.
#Logistics #InventoryControl #SupplyChain #BusinessIntelligence #Automation
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338 USD Small Business OS — CRM/ERP system for small business
Web Programming
Comprehensive solution for sales automation, inventory accounting, and financial control.
Task: Automate chaotic processes of a small enterprise (order accounting, stock levels, clients) in one window.
Implementation: Development of a custom backend on GAS for transaction processing and a frontend for convenient work for managers.
Key technical features:
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Inventory Automation: System of automatic notifications about critically low stock levels.
Financial Dashboard: Automatic generation of P&L and Cash Flow reports based on entered transactions.
Order Tracking: Visual tracker for order statuses with quick editing capabilities.
Result: The client received a professional management tool at the level of ERP systems for the price of a one-time payment.
#CRM #ERP #BusinessAutomation #SmallBusiness #Fintech #GoogleSheets
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406 USD Superhost OS — Short-term rental management system
Web Programming
CRM for property owners (Airbnb/Booking) that automates operational processes.
Task: Simplify control over bookings, expenses, and the work of cleaning staff.
Implementation: Mobile web application based on GAS with distributed access for the owner and maids.
Key technical features:
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Mobile Cleaning Checklist: Special interface for staff with photo confirmation and automatic status updates of the premises.
Profit Matrix: Net profit calculator that automatically calculates platform commissions, taxes, and operational expenses.
Booking Calendar: Visual grid of property occupancy with "smart" hints about available time slots.
Result: Reduction of management costs by 30% and complete control over service quality.
#Airbnb #PropertyManagement #Automation #MobileFirst #CRM #Hospitality
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451 USD Level Up — Gamified ADHD Planner (Gamified RPG Dashboard)
Web Programming
Transforming routine planning into an engaging RPG game to boost dopamine and productivity.
Task: Create a tool for people with ADHD that combats procrastination through game mechanics and micro-rewards.
Implementation: A web application on GAS with an integrated character progression system.
Key technical features:
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XP System: Written logic for automatic experience (XP) accrual for completed tasks with a visual progress scale.
Dopamine Tech: Integrated the canvas-confetti library to celebrate every victory (micro-rewards).
Dopamine Menu: A special interface for quick selection of stimulant tasks ("Starter", "Main", "Dessert").
Mobile-First Design: A responsive interface that works like a native app on a smartphone.
Result: A tool that makes planning fun, increasing adherence to schedules by 70% through gamification.
#ADHD #Gamification #JavaScript #GoogleAppsScript #Productivity #UIUX
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248 USD Sheet Comparer Pro 3.0 — Intelligent Data Auditor
Data Parsing
Tool for instant comparison of large data arrays and detection of hidden errors.
Task: Ensure 100% data cleanliness in large reports where an error can cost the business money.
Implementation: High-performance algorithm in Vanilla JS that works instantly without server load.
Key technical features:
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Visual Delta: Instant highlighting of changed values through an HTML overlay on top of the table.
Fuzzy Match Engine: Search for similar values (typos, extra spaces) using fuzzy logic.
Audit Trail: Automatic generation of a report on all discrepancies found between versions.
#DataAnalysis #BigData #QualityAssurance #GoogleSheets #Audit #Tooling #JavaScript #DataIntegrity
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248 USD Viral Vibes — Strategic Social Media Planner
Web Programming
Ecosystem for content strategists based on a 6-block planning system.
Task: Transform chaotic posting into a systematic sales funnel through content.
Implementation: Interactive dashboard with visualization of "hot" and "cold" content based on GAS.
Key technical features:
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Hook Library: Built-in database of proven headlines and hooks with a tagging system.
Batch Planning: Content planning mechanics for a month in one sprint.
Cross-Platform Logic: Adapting ideas for different formats (Reels, LinkedIn, X).
#ContentMarketing #SMM #Strategy #Planning #MarketingAutomation #ViralContent #UIUX
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316 USD The Kitchen — Automated Meal Prep Planner
Web Programming
Smart meal planning system and automatic shopping list generation.
Task: Reduce time spent on household logistics and inventory management.
Implementation: Recipe database integrated with a dynamic calendar and mobile checklist.
Key technical features:
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Recipe-to-List Sync: Clicking on a recipe in the plan automatically distributes ingredients into the shopping list.
Portion Scaler: Algorithm for recalculating the quantity of products based on the planned number of people.
Smart Categorization: Grouping the shopping list by supermarket departments for speed.
#MealPrep #KitchenAutomation #LifeHacks #JavaScript #MobileApp #Planning #SelfManagement #GoogleSheets
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203 USD Career OS — Ecosystem for job searching and career growth
Web Programming
A powerful tool for systematic management of the employment process in IT and Big Tech.
Task: Organize chaotic job searching (applications, tests, interviews) into a single funnel.
Implementation: Professional CRM dashboard with modules for interview preparation.
Key technical features:
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STAR Interview Vault: Database for structuring answers to behavioral questions using the STAR method.
Job Hunt Pipeline: Kanban tracking of application statuses with reminders for follow-ups.
Salary Comparer: Calculator for comparing offers (Net/Gross, bonuses, relocation).
#CareerGrowth #JobSearch #HRTech #InterviewPrep #Automation #CRM #GoogleSheets #CareerStrategy
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361 USD Love Sync — A shared space for couples (Relationship OS)
Web Programming
Aesthetic web platform for harmonizing relationships and joint life planning.
Task: Create a shared digital hub for couples that replaces dozens of scattered chats and notes.
Implementation: Interactive SPA with gamified engagement mechanics.
Key technical features:
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Date Night Roulette: Randomizer of date ideas with a "Spin Wheel" visualization (CSS animation).
Shared Budget Logic: Real-time expense synchronization with division into "shared/personal."
Memory Vault: Masonry grid for visually archiving significant moments.
#Relationships #CouplesApp #InteractiveDesign #UX #Planner #WebDevelopment #HTML5 #CSS3
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316 USD Etsy Profit Calculator — Professional Financial Analyzer
Web Programming
High-precision tool for calculating product profitability on the Etsy marketplace.
Task: To enable sellers to instantly calculate net profit, taking into account all hidden platform fees.
Implementation: Complex mathematical models on GAS with data output to dynamic visual charts.
Key technical features:
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Fee Engine: An algorithm that automatically accounts for Etsy Payments, Offsite Ads, and transaction fees.
Dynamic Charts: Visualization of margins using Chart.js for comparing pricing strategies.
What-If Analysis: Profit modeling function when changing price or shipping cost.
#Etsy #Ecommerce #FinancialAnalysis #DataVisualization #Calculator #Automation #GoogleSheets #SaaS
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496 USD Premium ecosystem for Wealth Management
Web Programming
Digital safe for managing private capital and family assets.
Task: Create a system with the highest level of privacy for aggregating data on investments and assets without third-party cloud services.
Implementation: Web application with skeuomorphic design ("Brushed Metal") that provides the experience of an elite banking tool.
Key technical features:
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Asset Vault Architecture: Deep data structuring for tracking net worth in real-time.
Mechanical UI: Implementation of an animated mechanical chronograph clock in pure CSS as the central element of the interface.
Zero-Server Security: Data never leaves the owner's Google Drive.
#WealthManagement #Fintech #LuxuryUX #Privacy #SovereignSoftware #FamilyOffice #GoogleAppsScript #JavaScript
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338 USD Sub-Zero — Radical expense tracker
Web Programming
Tool for rigorous financial auditing and detecting budget "leaks."
Task: Find out where the money is disappearing and optimize expenses without reducing quality of life.
Implementation: Minimalist interface with instant data entry (Mobile Optimized).
Key technical features:
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Leak Finder: An algorithm that highlights subscriptions and regular expenses that the user may have forgotten.
Savings Goal Meter: Visualization of saving for a big dream.
Zero-Based Budgeting: A system where every dollar has its purpose.
Result: Savings of up to 20% of the budget in the first month of use.
#PersonalFinance #MoneyManagement #Budgeting #FrugalLiving #Analytics
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428 USD BookTok Journal — Visual Library and Reading Tracker
Web Programming
Professional magazine for book lovers and content creators with a focus on visual aesthetics.
Task: Create a tool for maintaining a visual database of books with ratings, quotes, and reading analytics.
Implementation: Web interface in the style of Apple Books/Pinterest with dynamic loading of covers.
Key technical features:
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Visual Masonry Grid: Implementation of a "tile" layout for the library with filtering by genres and statuses.
Spice & Star Rating: Custom rating system (1-5 stars and level) through interactive UI elements.
Reading Statistics: Automatic generation of infographics: number of pages per year, favorite authors, progress towards goals.
Result: An aesthetic and functional solution for structuring a personal library.
#Books #ReadingTracker #VisualDesign #Masonry #UIUX #PersonalDatabase
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338 USD Freelance Flow — Freelancer's workspace with a time tracker
System for automating freelancer work: from the first contact with the client to receiving payment.
Task: Combine time tracking, project management, and financial document generation.
Implementation: Web interface with active JS timers and automatic PDF generation.
Key technical features:
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Live Time Tracker: Implemented a real-time time counter that synchronizes with the table upon stopping.
Automated Invoicing: Generation of stylish HTML invoices with one click based on accumulated hours.
Project Pipeline: Visual status bar for all current projects.
Result: Reduction of project administration time by 40% and a professional appearance in front of clients.
#Freelance #TimeTracking #Invoicing #WebApps #Workflow #Efficiency
Reviews and compliments on completed projects 1
18 February
22 USD
I am looking for an expert in Google Sheets for a second small project.
Quality
Professionalism
Cost
Contactability
Deadlines
Olexiy is a nice polite person, works quickly.
| Activity
| Latest proposals 10 | Budget | Added | Deadlines | Proposal | |
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Google Sheets
68 USD
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Preparation and automation of multipage PDF documents
180 USD
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Google Sheets Automation Specialist
19 USD
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Google App Script expert
67 USD
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Create an Excel for comparing marketplaces (mini calculator)
151 USD
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UI/UX Interface Design Mentor
16 USD
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Creation of a dashboard
406 USD
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We are looking for a personal finance specialist (Google Sheets, automation)
124 USD
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Development of a web-based CRM system for managing a tool rental business
449 USD
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Need a developer: Telegram bot + Google Sheets
79 USD
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