Description:

Mantle Bank is a fast-growing crypto neobank launching out of Asia, with a mission to redefine the future of finance on-chain.
The Customer Service (CS) function goes beyond standard support, acting as the first line of defense in protecting user assets and upholding regulatory integrity.
The Senior Backend Engineer role is critical, as mistakes can have significant consequences.
Responsibilities include designing and developing core backend systems that handle high concurrency and high availability for millions of users.
The engineer will use Go or Java to build microservices that support rapid business iteration and horizontal scaling.
Participation in the architecture design and integration of payment-related systems, including modules for payment processing, risk control, and settlement, is required.
The role involves interfacing with blockchain infrastructure and understanding the integration with Solidity contracts.
Close collaboration with product, frontend, blockchain, and risk control teams is essential to advance system stability, security, and high performance.
Continuous optimization of system architecture, performance, and maintainability is expected, along with driving the evolution and standardization of the tech stack.

Requirements:

A bachelor's degree or higher in a computer-related field is required, along with over 5 years of backend development experience.
Proficiency in Go or Java is essential, with a strong emphasis on good coding style and engineering practices.
Experience in designing and implementing architectures capable of handling millions of concurrent users or high availability is necessary.
Familiarity with payment systems, including third-party payments, card payments, and crypto payments, as well as risk control models, is required.
A solid understanding of blockchain principles, EVM architecture, and interaction with Solidity contracts is needed.
Good communication skills, a sense of teamwork, and a strong sense of responsibility are essential, with the ability to independently handle complex system modules.

The position offers the opportunity to work in a fast-paced and innovative environment within the crypto finance sector.
Employees will have the chance to contribute to the evolution of cutting-edge technology and systems.
The role provides a platform for professional growth and development in a high-stakes industry.
Team members will collaborate with diverse professionals across various fields, enhancing their skills and knowledge.
The company promotes a culture of responsibility and integrity, ensuring a meaningful impact on user assets and regulatory compliance.