Swipelux: Cryptocurrency exchange microservice for a crypto-by-card payment widget

Swipelux OÜ, an Estonian company, offers a payment gateway widget that lets end-users buy cryptocurrency with credit or debit cards. CML Team built a microservice for exchanging cryptocurrencies via Uniswap and 0x. A proof of concept came within weeks, then CML Team hardened it for production over the following month.

Client: Swipelux OÜ, Estonia
Industries: FinTech, Blockchain
What we did: Backend and blockchain development: built the cryptocurrency exchange microservice, extended the web3j library and hardened the service for production.
Team and duration: Backend developer, Blockchain developer, Delivery Manager.
Funding raised: $810K

Who is the client behind Swipelux?

Swipelux OÜ, established in Estonia, offers a new kind of payment gateway widget that allows end-users to purchase cryptocurrency with their credit or debit cards.

swipelux.com

What problem did Swipelux have?

Swipelux's payment widget integrates smoothly into a wide range of platforms and gives businesses a fast, secure and adaptable payment solution. Swipelux faced the challenge of enabling smooth cryptocurrency exchanges and needed rapid development and deployment.

What did CML Team build for Swipelux?

A microservice for exchanging different cryptocurrencies via Uniswap and 0x
Extended functionality of the web3j library, which helped build the exchange solution quickly
A proof-of-concept microservice delivered within weeks, then hardened for production over the following month
Enhanced security, scalability and efficiency of the platform

What was the result for Swipelux?

The microservice went into production, giving Swipelux a working crypto-exchange capability to scale faster and expand into new markets. The project enabled Swipelux to offer its clients a better service for buying crypto with credit and debit cards and a more versatile way to engage with cryptocurrencies.

Client feedback

CML Team supported us with backend and blockchain development. They have quite a diverse expertise in technologies such as Java, Spring, and web3j and profound knowledge of the crypto industry. In a matter of weeks, CML Team was able to build a POC microservice and then polish it to perfection over the next month. This key microservice is already in production, allowing us to scale even faster and win new markets.