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B2C marketplace e-commerce project - cryptocurrency payment system (debugging and modification work)

B2C marketplace e-commerce project - cryptocurrency payment system (debugging and modification work)

- Program structure based on Laravel Framework;

- Paymentsystem based on BTC, LTC and XMR (integration via own developed interfaces - Bitcoin- and Litecoincore as well as Monero Node are already installed on the test server). NO use of third party coin-Api's like Coinbase, Coinomi etc!


- Debugging and modification of the implemented payment system for BTC and LTC; integration of a PHP based QR-code generator for the deterministic wallet addresses for BTC, LTC and XMR);

- Modification and redesign of an integrated forum (multiple categories, open and restricted user groups, predefined HTML and css design);

- Modification and redesign of an integrated messaging system (NO external function - only DB embedding);

- Integration of a dispute function (buyer / seller / support moderator);

- Modification of the existing rankingsystem for sellers and buyers;

- Modification of the review function for sellers and buyer - link to the ranking system;

- Bugfix and script modification;

- Modification of the admin panel (integration of new functions, restoration of existing functions);

- Complete removal of all javascript elements, Google Api's etc;

- Cleanup and removal of useless scripts from the Laravel structure;

- Cleanup of the DB.


- Very good knowledge of Laravel, PHP, MySQL, javascript, HTML and css;

- Very good knowledge of the implementation of payment systems based on cryptocurrencies by using of own interfaces and Api's - good knowledge of blockchain technology (NOT talking about the embeding of Api's from third-party Api's providers such as Coinbase, Coinomi etc.);

- Adherence to the agreed time frame;


- Compliance with the given financial budget (please NO offers based on hourly rates - I only accept offers with GUARANTEED fixed prices!).

Communication and confidentiality:

- Communication and data exchange exclusively via the Messenger Telegram (MANDATORY REQUIREMENT!);

- Processing of all scripts exclusively on the development server (NO processing on your localhost!!!);

- Daily documentation of your work performance! Transparency and traceability of your work is absolutely mandatory!

- Good accessibility and communication skills (good English - spoken and written - is also mandatory!).


All payments will take place exclusively via!


When placing the order to you, I will release an advance payment as the first milestone (20% of total). After COMPLETION of the project, another milestone of 50% of the total amount will be released. The remaining 30% of the total amount will be released after your work has been finally checked and the result is for 100% satisfactory.

Further information:

Further information (url) and access to the development server on request!

Beceriler: PHP, Laravel, MySQL, HTML, Yazılım Mimarisi

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İşveren Hakkında:
( 0 değerlendirme ) Berlin, Germany

Proje NO: #26865761

Bu iş için 23 freelancer ortalamada €1293 teklif veriyor


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