Senior Backend Developer

Senior Backend Developer
About Axi:
Axi is a leading global provider of margin and deliverable Foreign Exchange, Contracts for Difference (CFDs), and Financial Spread betting. Our business has evolved into a world-class, multifaceted brokerage with offices in six regions. With heavy investment in the latest trading technology, Axi seeks to offer the most comprehensive end-to-end trading experience available, servicing traders of all levels from beginners to institutional-level clients.  

Position Overview:

We are seeking a Senior Backend Developer with deep expertise in C++ or Go / Golang and building ulta low-latency trading applictions to join our Global engineering team. You will play a key role in designing and building scalable backend services and APIs for our trading and financial applications. This is a hands-on development role.

What You’Ll Do:

• Design, develop, and maintain scalable, high-performance, ultra low-latency backend systems
• Collaborate with cross-functional teams, including Front-end, DevOps, QA, and Product
• Participate in system architecture design and contribute to best practices
• Write clean, maintainable, and testable code
• Troubleshoot and resolve performance, scalability, and reliability issues

Key Requirements:

• 5+ years of experience
• Proven ability to quantify past achievements around latency improvements
• Proficiency in network programming (TCP/IP, UDP) and low-level systems programming
• Knowledge of multithreading, concurrency, and synchronization primitives, and lock-free data structures
• Experience with Modern C++ or Go / Golang standards, debugging tools, and financial market protocols
• Strong professional experience with either C++ or Go / Golang in a production environment
• Solid understanding of object-oriented programming, concurrency, and design patterns
• Experience building RESTful APIs and Backend services
• Familiarity with Agile development practices and CI/CD workflows
• Excellent problem-solving skills and a strong sense of ownership

Good To Have:

• Experience working in trading systems, brokers, exchanges, or financial platforms
• Exposure to Kafka or other event-driven architectures
• Experience with low-latency or performance-critical systems
• Experience with Java / Spring Boot
• Knowledge of web technologies and building full-stack applications
• Familiarity with AWS cloud services and Terraform for infrastructure-as-code
• Experience with databases such as PostgreSQL and MongoDB
• Understanding of distributed systems and microservices architecture

Axi’s Bag of Delights 

• Competitive compensation 
• Training, development resources, and certification opportunities 
• 18 annual leave days + 12 sick days 
• Local public holidays 
• Health insurance benefits 

Interview Process

• Talent Acquisition Screen (30 mins) 
• Technical Skills Assessment (take-home assignment) 
• Technical Interview with Team (60 mins) 
• Hiring Manager Interview (30 mins)