Web platformService marketplaces & freelanceOriginal by Upwork
Upwork brings clients and freelancers together for project-based, long-term working relationships. The client posts a job, freelancers send proposals, a contract is set up with the chosen person and payment is tied to milestones. Time logging for hourly work and escrow for fixed-price work protect both sides. Profile history and a job success score reduce the risk of working with a stranger.
Building something similar requires a job posting and proposal system, freelancer profiles and portfolios, contracts with milestone-based escrow payments, messaging, file sharing, a dispute process and an admin panel. Holding other people's money requires a payment institution licence in the EU, the UK and most other markets, so a licensed marketplace payment solution such as Stripe Connect or Adyen for Platforms should be used. Freelancers' invoicing and tax status must also be planned from the start.

How Upwork works: the core user flow

How many apps and dashboards do you need?
Client interface
Clients post jobs, compare proposals, sign contracts and approve payments.
Freelancer interface
Freelancers build profiles and portfolios, send proposals, deliver work and withdraw earnings.
Admin and dispute panel
The team runs account verification, dispute mediation and payment and commission management.

Critical features of a product like Upwork
Proposals and connect credits
Freelancers send proposals to jobs; credits per proposal can be used to prevent spam proposals.
Milestone escrow
Fixed-price jobs are split into stages; each stage is funded into escrow in advance and released on approval.
Hourly work tracking
A desktop tracker records working time and sample screenshots; invoices are generated automatically every week.
Job success score
A freelancer trust score is calculated from completed jobs, feedback and repeat client rate.
Contract workspace
Each contract has its own workspace with messages, files and delivery history.
Dispute resolution
When a delivery is rejected, the parties try first, then a platform mediator decides based on evidence.
What goes into the first version, what comes later
First version (MVP)
- Job posts, freelancer profiles and proposal system
- Escrow for fixed-price jobs via a licensed provider
- Messaging and file sharing
- Reviews and ratings
- Dispute and payment admin panel
Later releases
- Hourly contracts and desktop time tracker
- Job success score and skill tests
- Enterprise accounts and team management
- International payouts and multi-currency withdrawals
Modules and how the budget is calculated
The budget is calculated with 360 SOFT’s pricing model from the modules below, about 34 screens and the project’s complexity: roughly 193 person-days for the full scope and 125 person-days for the first version. Every module you drop lowers the budget directly.
| Module | Phase |
|---|---|
| Sign-up, login, social login | First version |
| User profile and settings | First version |
| Roles and permissions | First version |
| Admin dashboard | First version |
| Advanced search and filters | First version |
| Online payments (Stripe / PSP) | First version |
| Marketplace integration (Amazon, etc.) | Later release |
| Real-time messaging | First version |
| File, photo, video upload | First version |
| Email / SMS notifications | First version |
| Ratings and reviews | First version |
| Reporting and analytics | Later release |
| GDPR and security hardening | First version |
| E-invoicing | First version |
Hosting, SMS, map APIs, app store accounts and payment-provider fees are separate items. Maintenance and improvements (optional): €650 / month. We send a fixed written price within 24 hours after a free discovery call.
The hard parts
Payment regulation and tax
Escrow must be run with a licensed provider; freelancers' invoicing obligations, platform reporting rules such as DAC7 and invoicing of the platform commission must be clarified.
Off-platform leakage
Parties may share contact details to avoid commission; message filters and mechanisms that reward staying on the platform are needed.
Dispute operations
Disagreements about work quality can be subjective; clear delivery criteria and a trained mediation team are needed.
Business model
The main revenue is the service fee on every transaction: a percentage commission on freelancer earnings and a small transaction fee from the client. Selling proposal credits, premium membership for freelancers, profile boosts and managed service packages for enterprise clients diversify the model. The payment flow must be built through a licensed payment provider.
Get a free quote for your project
Let us scope it together and send a fixed written quote within 24 hours. NDA on request; you own the source code.
Choosing a company to build an app like Upwork
Most people searching “website like upwork” are really looking for a reliable app development company. When comparing quotes, check four things:
- Can you try similar products they have shipped, in the stores or live?
- Are the source code, design files, servers and store accounts transferred to you by contract?
- Do they show a working demo every two weeks, with written scope and acceptance criteria?
- Are maintenance, scaling and GDPR/security costs written into the quote?
Copyright and trademarks
A business model and features are generally not protected on their own, but the Upwork name, logo, interface design, content and source code are. That is why we build a product with similar functionality but your own brand, design and code. This is not legal advice; we recommend a trademark search before launch.
Frequently asked questions
How long does it take to build a site like Upwork?
A first version with a proposal system, escrow payments and messaging takes a few months. Hourly work tracking and enterprise accounts are added in later phases.
Can we manage escrow payments ourselves?
No; holding user funds requires a payment or e-money licence in the EU, the UK and most other markets. A licensed provider's marketplace product with connected accounts is the practical solution.
Are there copyright or trademark issues?
The freelance marketplace model is free to use; names, logos, design, content and code cannot be copied. This is not legal advice.
What should I look for in a software company?
Look for a team that has built marketplace payment flows, role-based permissions and dispute processes. Ask for references for payment provider integrations.





