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Oleksandr G.

Oleksandr G.

Full Stack Developer | Custom CRM | ERP | SaaS | Business Systems

Translate your business flow into a practical Custom CRM · ERP System · SaaS platform · Web Application · Business System that is built to support your operations and scale with the business. Full Stack Developer with 5+ years of experience building Custom CRM, ERP Systems, SaaS platforms, Business Systems, and internal web applications for companies that need software built around the way their business actually works. I help businesses move away from spreadsheets, disconnected tools, repetitive manual processes, and expensive off-the-shelf software by creating custom business software, operational systems, workflow automation, and scalable web applications. 🔹 My core expertise includes: • Custom CRM Development & CRM Software Development • ERP System Development • SaaS Development • Business Systems & Operational Systems • Web Application Development • Workflow Automation & Business Process Automation • API Integration & third-party integrations • Database Development • Admin panels, dashboards & internal tools • Real Estate CRM and industry-specific CRM solutions • Existing system modernization and new feature development ⚙️ Custom CRM & Business Systems As a Custom CRM Developer / CRM Developer, I build CRM software around your actual sales and operational workflow - not around a generic template. A Custom CRM can include lead and customer management, sales pipelines, automated follow-ups, dashboards, reporting, user permissions, document management, notifications, task management, communication tools, Workflow Automation, Database Development, and API Integration. I can build a new Custom CRM from scratch, extend an existing CRM, or replace spreadsheets and disconnected software with one centralized Business System. I also work on Real Estate CRM, customer portals, partner portals, internal dashboards, and custom admin systems. 🧩 ERP & Operational Systems As an ERP Developer, I build ERP Systems and Business Systems for companies that need to manage multiple operational processes in one place. This can include customer and supplier management, inventory, orders, projects, employees, billing, payments, reporting, approvals, role-based access, scheduling, internal workflows, and operational dashboards. If your team currently manages the Business Process across Excel, Google Sheets, email, Airtable, Notion, or several separate SaaS products, I can turn those processes into one structured ERP System or custom Operational System. The goal is simple: fewer manual steps, less duplicated data, and a system your team can actually use every day. 🚀 SaaS & Web Application Development As a SaaS Developer and Full Stack Developer, I can take a product from idea or MVP to a production-ready SaaS application. I work on: • SaaS MVP development • multi-user web applications • subscription-based platforms • admin dashboards • customer portals • authentication and authorization • role-based access control • payment integrations • reporting and analytics • AI-powered features • scalable backend architecture • third-party API Integration Whether you need a new SaaS, an existing SaaS product improved, or a complex Web Application Development project, I can work across the full system rather than only one isolated feature. 💻 Full Stack Development As a Full Stack Developer, I handle frontend, backend, databases, business logic, APIs, integrations, and deployment. Depending on the project, that can include work normally split between a React Developer, Front End Developer, Backend Developer, Web Developer, Python Full Stack Developer, Full Stack Developer React Node, Database Developer, Software Developer, or App Developer. My focus is on building complete products and Business Systems, not simply delivering disconnected pieces of code. Projects I’m a strong fit for: → Build a Custom CRM for an internal sales or operations team → Develop a custom ERP System around existing business processes → Build an internal Operational System or management platform → Replace spreadsheets with a centralized web application → Build a new SaaS MVP and take it to production → Develop an admin panel or internal dashboard → Automate repetitive Business Processes → Connect existing software through API Integration → Add modules and features to an existing Business System → Modernize a legacy web application → Build Workflow Automation around existing operations → Develop a Real Estate CRM, LMS, customer portal, or industry-specific platform I’m particularly interested in projects where the client needs someone to understand the business workflow first and then recommend the right technical solution. Tell me how your business currently works, what your team is doing manually, what software you already use, and what you want to improve.

🇺🇦Zaporizhzhia, Ukraine$20/hr80% JSS5.00 (12)Since Aug 2021
MRR
$128
🌍#119K/363K
🇺🇦#4,689/12.9K
Recent Earnings
$770
🌍#119K/363K
🇺🇦#4,689/12.9K
Total Earnings
$28,727
🌍#106K/363K
🇺🇦#5,592/12.9K
Avg. Per Project
$1,064
🌍#110K/363K
🇺🇦#5,192/12.9K
Recent Projects
6
2f5h
🌍#98.4K/363K
🇺🇦#4,362/12.9K
Total Projects
27
12f19h
🌍#98.4K/363K
🇺🇦#4,362/12.9K
MRR Performance Over Time
$50k$25k$0
6 mo ago3 mo agoNow
Coming SoonGathering historical data
World Skill Rankings
of 469
#160
Enterprise Resource PlanningTop 34%
#444ERP Software
#1,003AI Implementation
#1,016CRM Development
#1,670Customer Relationship Management
#1,916SaaS Development
#2,214API
#2,291SaaS
#2,699Web Application
#2,913CRM Automation
#2,956CRM Software
#3,260Full-Stack Development
#3,446HTML5
#3,495Artificial Intelligence
#5,132CSS
#6,379API Integration
#7,655Web Development
#8,483Python
#10,812JavaScript
🇺🇦Ukraine Skill Rankings
of 9
#5
Enterprise Resource PlanningTop 44%
#13ERP Software
#25Customer Relationship Management
#29CRM Software
#35CRM Development
#52AI Implementation
#75SaaS Development
#75CRM Automation
#164Artificial Intelligence
#195SaaS
#228Full-Stack Development
#246Web Application
#262API
#396API Integration
#411HTML5
#458Python
#552Web Development
#553CSS
#1,102JavaScript
Oleksandr G. — Top 36% in Ukraine | UpworkMRR