Backend C++/Rust Developer

EX.IO; Hong Kong; On-site; HKD 600,000 - 1,200,000; Full time

Job summary

EX.IO, a Hong Kong-based internet finance company, is seeking a backend-focused software engineer to help build the core functions of its digital asset trading platform. The role emphasizes low-latency, high-performance systems and scalable architecture.

You will collaborate with product and business teams, implement robust trading infrastructure, and contribute to design decisions for 7x24 operations, with a strong emphasis on C++/Rust, distributed systems, and high-quality technical

Qualifications

• Bachelor in Computer Science or related engineering from a top-tier university.
• 3+ years of work experience.
• Proficient in C++/Rust programming.
• Familiar with large-scale, high-performance distributed systems.
• Experience with data structures, algorithms, design patterns, low-latency network programming, multi-threading, and optimization.
• Proficient with caching, message queuing, and searching tools such as Redis, Kafka, Elasticsearch.
• Familiar with Linux.
• Familiar with FIX protocol (optional).
• Experience in developing financial-related products or in a large Internet company.
• Able to adapt to high pressure working environment; strong system analysis and design skills.
• Proactive, team-oriented, and self-driven to tackle difficulties and solve problems.

Responsibilities

• Develop core functions of the internet financial platform and build infrastructure for digital asset trading.
• Implement low-latency, high-performance order processing and market data distribution.
• Establish a robust, efficient and concurrent trading system for 7x24 operation.
• Communicate effectively with product and business teams, collect requirements, participate in planning and system design.
• Propose practical solutions and produce technical documents independently.

Skills

C++/Rust

Low-latency

Distributed systems

System design

Multi-threading

Algorithms

Linux

Problem solving

Team player

Education

Bachelor's in Computer Science or related Engineering

Tools

Redis

Kafka

Elasticsearch

Job description

Every new wave of technology presents a fleeting opportunity to design killer applications and products that will disrupt an entire industry and change the lives of many. Crypto is unique in this regard because it is already changing the core concept of money and banking through decentralization.

We are looking for talents to join our product development team!

Responsibilities

• Responsible for developing the core functions of the Internet financial platform, build the technology infrastructure that supports digital asset trading on the internet
• Implement low-latency-high-performance order processing and market data distribution
• Establish a robust, efficient and concurrent trading system to ensure 7×24 hours uninterrupted operation
• Actively conduct efficient communication with product team and business development team, collect requirements, participate in product planning and system design
• Propose practical and feasible solutions, capable of producing technical documents independently

Requirements

• Computer Science or related Engineering Bachelor (or above) from top tier university
• 3 years or more working experience
• Proficient in C++/Rust Programming
• Familiar with large-scale and high-performance distributed system
• Familiar with data structures, algorithms, design patterns, low-latency network programming, multi-threaded programming, optimization techniques
• Proficient in tools like caching, message queuing, and searching, e.q., Redis, Kafka, and Elasticsearch
• Familiar with Linux
• Familiar with FIX protocol (optional)
• Experience in developing financial-related product, or have work experience in a large Internet company
• Able to adapt to high pressure working environment
• Great abilities in system analyzing, abstract thinking and system designing
• Work proactively, have a strong team spirit, and be self-driven to tackle difficulties and solve problems