🟢 Is your sales team overwhelmed by manual data entry? Or are you looking for an intelligent AI Agent to turn your CRM into a revenue-generating machine? 🟢 I’m Nataliia, a Senior ai developer and custom crm developer with over 12 years of experience. I specialize in building autonomous systems where chatbot development meets high-end business infrastructure.
👋 Hi! I help businesses bridge the gap between conversational AI and complex backend logic. As an ai chatbot developer and full stack developer, I design solutions that don’t just "chat"—they think, act, and manage your data. Whether you need a sophisticated AI Agent or a custom crm developer to architect a proprietary sales ecosystem, I ensure your ai development is robust, secure, and profit-driven.
🎯 Strategic Focus on AI Agents & CRM Ecosystems:
✔️ Enterprise AI Chatbot Development: As a professional ai chatbot developer, I build more than just FAQ bots. I specialize in chatbot development using openai api, generative ai, and custom machine learning models. My bots act as 24/7 sales engines that qualify leads and sync directly with your database, ensuring every ai app I build delivers a 10x ROI.
✔️ Custom CRM Development & AI Integration: I am your expert custom crm developer. I don’t just use off-the-shelf tools; I build bespoke CRM platforms tailored to your specific workflows. As an ai python developer, I integrate an AI Agent directly into your CRM to automate lead scoring, follow-ups, and data analysis, making your ai development truly autonomous.
✔️ Autonomous AI Agent Architecture: I act as an AI Agent architect for businesses needing complex task automation. My approach as an ai developer and custom crm developer ensures that your AI Agent can perform python web scraping, manage api integration python tasks, and execute business logic inside your custom crm without human intervention.
✔️ Technical API & Data Engineering: As a senior ai python developer, I lead api integration python projects to connect your chatbot development efforts with external tools. Whether I’m acting as an ai app developer or a full stack developer, I ensure your ai chatbot ecosystem is backed by a powerful ai python developer infrastructure.
Proven Success in AI & CRM Architecture:
🔶 AI Chatbot Developer for Global SaaS:
Deployed an AI Agent that handled 85% of customer support queries autonomously.
As an ai chatbot developer, integrated the bot with a custom crm to increase lead conversion by 40%.
Managed ai development workflows that reduced operational overhead by $50k/month.
🔶 Custom CRM Developer for Lead Gen Agency:
Architected a custom crm from scratch as a full stack developer, supporting 500k+ active leads.
Integrated ai chatbot developer logic to qualify leads via WhatsApp and Telegram.
Used ai python developer scripts to automate 90% of the manual data entry.
🔶 AI Python Developer for Fintech:
Developed an AI Agent for automated risk assessment as an ai python developer.
Built the custom crm developer dashboard to visualize real-time machine learning insights.
Led api integration python tasks to connect the system with secure banking APIs.
🚀 Why Hire me as your AI & CRM Lead?
Senior AI Developer: 12+ years of ai software developer and ai development excellence.
Expert Custom CRM Developer: Specialist in building proprietary CRM systems and full stack developer solutions.
Chatbot Development Authority: Master of gpt chatbot, open ai chatbot, and complex ai chatbot logic.
Professional AI Python Developer: Expert in ai python, python web scraping, and machine learning.
AI Agent Architect: Delivering an AI Agent for sales automation and ai lead generation.
🔹 Specialized Solutions I Offer:
AI Chatbot Developer: Whatsapp chatbot, telegram chatbot, and web-based chatbot development.
Custom CRM Developer: Bespoke CRM architecture, database design, and api development.
AI Agent Architect: Autonomous AI Agent for lead nurturing and custom crm management.
AI Python Developer: api integration python, python web scraping, and ai model training.
Full Stack Developer: Custom ai app systems, React/Next.js frontends, and Node.js/Python backends.
Looking for a technical ai developer, a dedicated ai chatbot developer, or a senior custom crm developer? If you need an AI Agent to scale your operations or a professional ai python developer to build your next-gen custom crm, I am ready to deliver.
Message me today for a CRM Audit or an AI Consultation! ☎️
Last account update: 01.04.2026
CRM Development
CRM Automation
CRM Software
Chatbot
Chatbot Development
Chatbot Integration
AI Chatbot
GPT Chatbot
Chatbot Prompt
ChatGPT
Bot Development
Artificial Intelligence
API Integration
AI App Development
Python
Machine Learning
Natural Language Processing
Zoho CRM
Chatbot Script
AI Agent Development
Yurii F.
Ternopil, Ukraine
$25/hr
5.0
17 jobs
Your CRM should help you close more deals, not create more admin work.
As a business owner, you know the drill — manual data entry, leads falling through the cracks, and zero visibility into what's actually happening in your pipeline. That's where I come in.
What I solve:
✅ AI-driven workflow automation — Design and implement automations using Make, Zapier, n8n, and direct API integrations, including AI lead scoring, call analysis, lead classification, enrichment, and decision logic for Zoho CRM, Pipedrive, HubSpot, and custom systems.
✅ System integrations — Connect virtually any apps using Make, Zapier, n8n, webhooks, and APIs to create seamless business workflows.
✅ CRM implementation & optimization — Build CRM systems from scratch or optimize existing ones. I audit your current setup, identify bottlenecks, and create a clear roadmap for improvement (Zoho CRM, Pipedrive, HubSpot).
✅ Automated lead capture & distribution — Eliminate manual lead assignment with Round Robin routing and smart automation.
✅ Sales pipeline customization — Build custom stages, layouts, automations, approvals, validations, and workflows that match the way your business actually operates.
✅ Quote, invoice & document automation — Enable your team to generate quotes, send invoices, and manage documents in just a few clicks, including mobile-friendly workflows.
✅ Reliable delivery — Realistic timelines, honest communication, and production-ready solutions. If something breaks because of my implementation, I fix it.
Why work with me?
I build systems that actually run your business, not just store data. I don't disappear after delivery—if something breaks because of my implementation, I fix it. I value long-term partnerships over one-off projects.
What's next?
Let's jump on a call and discuss your project.
CRM Development
Zoho CRM
Zoho Books
Zoho Analytics
Zoho Creator
Zoho Projects
Pipedrive
Make.com
n8n
Zapier
ManyChat
Zoho Platform
Twilio
RingCentral Glip
Asana
Apollo.io
Google Apps Script
Slack
Trello
ClickUp
Oleksandr K.
Kiev, Ukraine
$50/hr
4.9
366 jobs
As the Founder and Owner of a successful Zoho solutions business, I bring 10+ years of hands-on experience with Zoho and 20+ years in app, web, and database development across dozens of industries. I understand the challenges founders face—manual processes, inefficient workflows, and lack of system integration—and I design solutions that save time, increase productivity, and drive growth.
I specialize in implementing, customizing, and expanding Zoho applications to meet the unique needs of your business. From custom Zoho CRM development to complex integrations via APIs, Zapier, or Make, I create systems that align perfectly with how you work. My goal is to automate your sales, marketing, and business processes while standardizing workflows for maximum efficiency.
Zoho Expertise:
✅ Zoho One | ZeptoMail | Zoho CRM | Zoho Flow | Zoho Desk | Zoho Analytics
✅ Zoho Books | Zoho Inventory | Zoho Creator | Zoho Recruit & Zoho People
✅ Zoho Subscriptions | Orchestly | Zoho Catalyst | Custom API Integrations
What I Deliver:
Fully customized Zoho workflows that match your business processes
Automation of repetitive tasks to free up your team’s time
Custom modules, fields, views, and filters to make Zoho work the way you do
Seamless integrations across Zoho apps and external systems
As a founder myself, I know what it takes to scale a business efficiently.
Let’s work together to unlock the full potential of Zoho for your business, automate your operations, and drive measurable results.
Zoho CRM
Telemarketing
API
Plugin Development
Business Process Model & Notation
Marketing Automation Strategy
Zoho Analytics
OAuth
Zoho Creator
Enterprise Resource Planning
Data Migration
Implementation Plan
API Development
MySQL
API Integration
Business Consulting
Helen B.
Kyiv, Ukraine
$36/hr
4.9
16 jobs
🎁 Bonuses from us:
• 𝗙𝗿𝗲𝗲 𝗽𝗿𝗼𝘁𝗼𝘁𝘆𝗽𝗲 before development starts
• 𝟯 𝗺𝗼𝗻𝘁𝗵𝘀 support after delivery
I have the experience and skills to launch complex projects. Clients worldwide hire me to develop 𝗰𝘂𝘀𝘁𝗼𝗺 websites and applications with complex back-end systems. I work on a wide range of projects, including 𝗖𝗥𝗠s, 𝗘𝗥𝗣s, client portals, eLearning platforms, eCommerce systems, healthcare solutions (EHR/EMR), and TMS.
🛠️ Tech Stack: PHP, Laravel, Yii2, Node.js, React, Vue, AWS, MySQL, PostgreSQL, Redis, Docker — delivering secure, scalable, and user-focused solutions.
Interested in working together?
CRM Development
CRM Software
ERP Software
React
PHP
AI Chatbot
Laravel
Web Development
HR & Business Services
Node.js
Transportation & Warehousing
Supply Chain & Logistics
Web Application
NestJS
Python
AI Agent Development
API Integration
Healthcare Software
Epic Systems Medical Software
FHIR
Yevhen T.
Ivano-Frankivsk, Ukraine
$30/hr
4.9
40 jobs
Hi 👋🏻 I’m a Senior Full Stack Developer with over 13 years of experience building SaaS platforms, AI-powered applications, enterprise web applications, marketplaces, CRM/ERP systems, and custom business software.
I help startups and growing companies design, build, modernize, and scale digital products using Laravel, PHP, Vue.js, React, Next.js, PostgreSQL, MySQL, REST APIs, and cloud technologies.
I specialize in full-cycle product development – from technical architecture, backend development, and database design to frontend implementation, third-party integrations, AI features, cloud deployment, and long-term product scaling.
Whether you’re launching an MVP, modernizing a legacy application, or growing an established platform, I focus on building secure, scalable, and maintainable software that supports business growth instead of creating technical debt.
Throughout my career, I’ve developed multi-tenant SaaS platforms, AI applications, healthcare systems, food-tech platforms, e-commerce solutions, customer portals, internal business platforms, admin dashboards, booking systems, subscription platforms, marketplaces, and API-first products serving thousands of users.
Core tech stack🛠️
Backend
• PHP, Laravel (Filament, Nova, Blade), CodeIgniter
• MVC Architecture, OOP, SOLID, Design Patterns
• RESTful API Development, API Integrations, Microservices
• Unit Testing, PHPUnit, TDD
• SaaS Architecture, Backend Optimization
Frontend
• JavaScript, TypeScript
• Vue.js, Nuxt.js, React, Next.js, jQuery
• HTML5, CSS3, Tailwind CSS, Bootstrap
• Inertia.js, Livewire
Databases
• PostgreSQL, MySQL, Redis, MongoDB
AI & API Integrations
• OpenAI API, Claude API, AI Agents, AI Workflows
• REST APIs, OAuth, Webhooks, JSON/XML
• Stripe, PayPal, Google Maps, QuickBooks, Xero
Cloud & DevOps
• AWS (EC2, S3), Microsoft Azure, Google Cloud Platform (GCP), DigitalOcean, Vercel
• Linux, Docker, CI/CD, Git, GitHub Actions
• NGINX, Apache
Architecture & Security
• Multi-Tenant SaaS Architecture
• Legacy Application Modernization
• Performance Optimization
• RBAC, Authentication & Authorization
• HIPAA, GDPR, Secure Application Development
Beyond development, I help clients make better technical decisions through system architecture, codebase reviews, technical audits, scalability planning, database optimization, and product strategy. I enjoy solving complex business problems, simplifying workflows, and designing software that remains reliable as products grow.
Whether you need a custom SaaS platform, enterprise web application, marketplace, CRM, ERP, AI integration, REST API, payment system, or modernization of an existing Laravel or PHP application, I can help you deliver a production-ready solution built for long-term success.
If you’re looking for a Senior PHP Laravel Vue.js React Next.js Full Stack Developer who understands both software engineering and business goals, let’s discuss your project📩
PostgreSQL
PHP
MySQL
JavaScript
Vue.js
Next.js
TypeScript
Tailwind CSS
Laravel
React
Node.js
Stripe
Full-Stack Development
Web Application
HTML5
REST API
Docker
SaaS Development
Database Architecture
API Integration
Konstantin D.
Dnipropetrovsk, Ukraine
$30/hr
4.8
12 jobs
I help startups and growing businesses build fast, scalable web and mobile applications using Next.js, Supabase, React, and React Native. As a full-stack developer, I take products from idea to production with clean, maintainable code and predictable delivery.
I specialize in building SaaS platforms, marketplaces, and custom business tools with a strong focus on performance, user experience, and long-term scalability. Whether you need a modern web app with a polished UI or a cross-platform mobile app for iOS and Android, I can handle both end-to-end.
I work hands-on in development while thinking like a product owner, helping you make the right technical decisions, avoid costly mistakes, and ship faster. My goal is simple: deliver solutions that work now and scale as your business grows, with clear communication at every step.
Also, I am the founder of Impactful Apps with 15+ years of experience in technical product management.
My passion is building platforms that improve how businesses operate and how users interact with services, from MVPs to complex, multi-user SaaS systems.
What I Can Help You Build
- SaaS Platforms
- MVP development for startups
- AI Agent and Agentic Workspace
- Subscription platforms
- Dashboards and internal SaaS tools
- Marketplaces & Platforms
- Two-sided marketplaces
Listing platforms
- Recruitment and matching systems
- Business Applications
- CRMs and internal tools
- Operational dashboards
- Workflow automation systems
My Approach
1. Understand your product and business goals
2. Architect scalable and maintainable solutions
3. Develop the platform hands-on (frontend & backend)
4. Launch and iterate based on real usage
I combine full-stack development skills with product thinking, so you get not just a developer, but a technical partner who can bring your idea from concept to launch.
Typical Clients
- Startup founders building their first SaaS product
- Companies creating digital platforms or marketplaces
- Businesses needing custom internal tools or automation
If you’re planning to build a SaaS platform, marketplace, or complex web application, let’s talk — I can code it and lead the product development.
Skills
- Full-Stack Development (React, Next.js, Node.js)
- AI Agentic Workspaces
- SaaS Development
- Marketplace & Platform Development
- Product Architecture
- API Development
- UX/UI Collaboration
- LowCode
JavaScript
React
Node.js
Web Application
API Integration
Web Development
Python
API
Next.js
PostgreSQL
TypeScript
Full-Stack Development
Artificial Intelligence
Supabase
PHP
AI Development
AI Agent Development
SaaS
AI App Development
Amazon Web Services
How it works
Post a job for freePost a job
Tell us what you need. Create your own job post or generate one with AI then filter talent matches.
Hire top talent fast
Consult, interview, and hire quickly, so you can meet the freelancers you're excited about.
Collaborate easily
Use Upwork to chat or video call, share files, and track project progress right from the app.
Payment simplified
Manage payments in one place with flexible billing options. Only pay for approved work, hourly or by milestone.
Don't just take our word for it
“Upwork provides an umbrella-level of security. I can see a talent’s work history and ratings. I can hold payments in escrow. I can communicate through Upwork Messages instead of working through my email address.”
KD
Kim Darling
Emerald Tiger
“Upwork is the best platform to hire skilled professionals when we're not looking for a full-time employee. All the companies in our portfolio use Upwork to find talent across a wide range of fields.”
DM
David Merry
Kinetic Investments
“Our very specific requirements can be a challenge—With Upwork, we’re able to access a bigger community to ensure the success of our projects.”
KK
Katja Krohn
Summa Linguae
How do I hire a CRM Developer in Ukraine on Upwork?
You can hire a CRM Developer in Ukraine on Upwork in four simple steps:
Create a job post tailored to your CRM Developer project scope. We'll walk you through the process step by step.
Browse top CRM Developer talent on Upwork and invite them to your project.
Once the proposals start flowing in, create a shortlist of top CRM Developer profiles and interview.
Hire the right CRM Developer for your project from Upwork, the world's largest work marketplace.
At Upwork, we believe talent staffing should be easy.
How much does it cost to hire a CRM Developer?
Rates charged by CRM Developers on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.
Why hire a CRM Developer in Ukraine on Upwork?
As the world's work marketplace, we connect highly-skilled freelance CRM Developers and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream CRM Developer team you need to succeed.
Can I hire a CRM Developer in Ukraine within 24 hours on Upwork?
Depending on availability and the quality of your job post, it's entirely possible to sign up for Upwork and receive CRM Developer proposals within 24 hours of posting a job description.