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Fiverr Pro
English
$
USD
I will build a custom saas, dashboard or business web application
Serhii R
Level 2
About this gig
Need a custom web application for your business, internal team, customers, or SaaS product?
I build production-ready web applications for real business workflows, dashboards, portals, internal tools, SaaS platforms, booking systems, admin systems, client areas, and custom operational software.
Typical features include:
- user accounts and role-based access
- dashboards and reporting
- business workflows and approvals
- API and third-party integrations
- payments, bookings and subscriptions
- PostgreSQL/MySQL databases
- admin panels and internal tools
- Docker and cloud deployment
I use Django, FastAPI, or Flask for the backend and React, Vue, or modern JavaScript for the frontend, depending on the project.
I have 15 years of software development experience and focus on maintainable applications that solve real business problems.
Get to know Serhii R
Serhii R
Python Automation, API and Data Integration Developer
Level 2
- FromUkraine
- Member sinceNov 2019
- Avg. response time1 hour
- Last delivery1 week
Languages
English, Ukrainian
I help businesses reduce manual work, cut operating costs, and connect systems through practical automation.
I build Python and n8n workflows, AI-powered automations, API integrations, e-commerce sync for products, inventory, prices and orders, web scraping, data processing, Django/FastAPI applications, and Plotly Dash dashboards.
I can work with APIs, ERP systems, marketplaces, XML, CSV, JSON and spreadsheets.
With 15+ years of software development experience, I focus on reliable, maintainable solutions that fit real business processes and deliver measurable value.
My Portfolio
Other Software Development Services I Offer
FAQ
What types of web applications can you build?
I build SaaS products, dashboards, client portals, internal tools, admin systems, booking platforms, workflow applications and other custom business software.
Which technologies do you use?
Depending on the project, I use Django, FastAPI or Flask for the backend and React, Vue or modern JavaScript for the frontend, with PostgreSQL or MySQL databases.
Can you work with an existing application?
Yes. I can extend, refactor, debug or modernize an existing codebase as well as build a new application from scratch.
Can you integrate APIs and third-party services?
Yes. I can integrate payment providers, CRMs, ERP systems, marketplaces, authentication providers, AI services and other APIs.
Can you deploy the application?
Yes. I can deploy to AWS, VPS, Docker-based environments or other suitable cloud infrastructure, depending on the project.
What if my project is larger than the Premium package?
Please message me with the requirements. I can prepare a custom offer for larger MVPs, complex SaaS products or ongoing development.
What do you need before starting?
Please describe the business problem, main users, required workflows and integrations, and provide any mockups, specifications or examples you already have.
