Backend Engineer - Go/JS for Scalable DEX Infrastructure

Mintlayer; Abu Dhabi; On-site; AED 300,000 - 520,000; Full time

Job summary

Mintlayer is seeking two Backend Engineers to build scalable infrastructure for a decentralized exchange and web services integrated with the Bitcoin ecosystem. The focus is the Service Layer, a high-concurrency engine handling API requests, off-chain order matching, and blockchain node interfaces.

Core working hours are 10am–1pm CET, with responsibilities spanning service development, order management, node integration, scalability, and security.

Qualifications

• Strong proficiency in Go (Golang) or Node.js (JavaScript/TypeScript) with deep understanding of asynchronous programming and microservices
• Experience building DEX components, API gateways, or indexing services
• Expertise in designing and implementing RESTful or GraphQL APIs
• Experience with PostgreSQL and NoSQL (Redis/MongoDB) for real-time data tracking
• Ability to build thread-safe systems handling thousands of concurrent user requests

Responsibilities

• Service Development - develop and maintain the backend microservices that power the exchange and the wider web service ecosystem
• Order Management - implement the logic for off-chain order books, trade matching and real-time liquidity monitoring
• Node Integration - build the middleware that connects Go JS services to the core blockchain network
• Scalability - optimize backend services for low latency and high availability
• Security - implement industry-standard security practices for handling sensitive data

Skills

Go (Golang)

Node.js (JavaScript/TypeScript)

Asynchronous programming

Microservices

DEX components / API gateways

RESTful APIs

GraphQL APIs

PostgreSQL

Redis

MongoDB

Thread-safe systems

Tools

PostgreSQL

Redis

MongoDB

REST API design

GraphQL

Job description

Mintlayer is seeking two Backend Engineers to build scalable infrastructure for a decentralized exchange and web services integrated with the Bitcoin ecosystem. The focus is the Service Layer, a high-concurrency engine handling API requests, off-chain order matching, and blockchain node interfaces.

Core working hours are 10am–1pm CET, with responsibilities spanning service development, order management, node integration, scalability, and security.