FreedX

Senior Backend Engineer - Trading Platform (Performance, Security, Reliability)

FreedX

Posted 2 months ago

Employment Type

Full Time

Location

Dubai

Job Listing No Longer Available

This job posting is no longer accepting applications. It may be more than 30 days old or the position has been filled.

Requirements

.NET C#, Concurrent systems, Event-driven, Kafka/NATS, API security, Performance tuning, High uptime

Required Skills

.Net C++ Kafka NATS Kubernetes Istio AWS GCP WebSocket REST FIX Performance Tuning Security Event-driven microservices Low Latency Trading Systems

Job Description

Responsibilities

  • Design and develop scalable backend services for order routing, risk checks, balance tracking and position management
  • Optimize performance for low-latency API order intake and real-time market data feeds
  • Ensure platform resilience using circuit breakers, graceful degradation, and automated recovery
  • Implement and monitor security controls including API key access, rate limiting, and trade validation
  • Write comprehensive unit and integration tests with measurable SLAs and high coverage
  • Participate in incident response, postmortems, and continuous reliability improvements

Requirements

  • 5+ years backend experience
  • .NET C# proficiency
  • Concurrent systems expertise
  • Event-driven architecture
  • Messaging systems (Kafka, NATS)
  • Experience with high-uptime systems (99.95%+)
  • API security and data integrity
  • Profiling and performance tuning
  • Strong testing and observability practices

Preferred Qualifications

  • Experience with FIX, WebSocket, and REST trading APIs
  • Cloud-native deployments (Kubernetes, Istio)
  • Familiarity with AWS or GCP
  • Production experience in fintech or crypto
  • Contributions to high-stakes, low-latency systems

Benefits

  • Competitive salary
  • Flexible work schedule with hybrid remote option
  • Professional development and industry event participation
  • Inclusive equal-opportunity workplace

About the Company

FreedX is a newly established cryptocurrency exchange building a secure, reliable, and high-performance trading platform. Our team consists of experienced professionals from crypto, finance, and technology. This role operates from our UAE presence with a primary base in Dubai and supports hybrid work across the UAE. We are focused on delivering scalable, auditable, and secure infrastructure for institutional and retail trading alike.

How to Apply

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