Backend Developer

LATOKEN exchange has 2 million accounts including 900k+ users of our Android app rated 4.4 by 25+ thousands of reviews. We leverage the next tech to make account opening as easy as Instagram. The technology and our Olympic sports culture can make us the first billion users digital wallet needed to free people to manage their financial life.

Here is our backlog.

Role: Developer Backend (Blockchain integration)
Unit: Payments
Role Mission: Deposit and withdraw all top crypto assets fast and stable.

Your Key Performance Indicators (KPI): Deposit/withdrawal success rate, Average deposit/withdrawal time of enrolment, Time to market.

Responsibilities:

• Blockchains : Integrate blockchains into our Exchange to automate custody and deposit/withdrawal functions with a success rate of more than 95%.

• Secure services : Develop secure and high load platform services to enable our customers to make easy transfers across the world.

• Fast and stable services : Сreate deposit, withdrawal services for blockchains with enrolment time of less than 2 hours.

• Features : Сreate complex integrations including staking, depositing and borrowing from smart contracts for new products.

• Smart contracts : Develop smart contracts (using solidity language, etc).

• Support : Support the entire working of the payment services, whenever issues occur, to quickly fix the problem. And help other developers to locate the problem in their code.

• Code Review : Pro-actively hunting for business-logic errors, code errors and other vulnerabilities in the code, written by you and your colleagues.

• Improve : Improve, document and develop of the payments modules/services.

• Research : Take time to research and then teach / explain / demonstrate to your team and other interested parties new developments in new blockchain technologies, NodeJS, Solidity, Microservices, Kafka, etc.

Requirement skills and experience:

2+ years experience with Node.js and typescript.
1+ years experience with Nest.js
Experience with Docker.
Knowledge and ability to write SQL queries (PostgreSQL and others).
Understanding of microservice apps development principles.As a plus:
Blockchain integration experience.
Experience with Kafka.
Experience with GRPC.
Experience in server API development.
Experience in developing payment systems.
Top-tier university graduate.
Able to lead complex projects in a high pace & pressure of capital markets environment.
Regional or country-level competitions (Olympics) participant.
Intermediate English.