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Principal Software Engineer - Crypto Trading | Remote (Northern Ireland)
Up to £110k base + bonus | AWS | Greenfield Engineering | Optional Belfast Office
We're hiring a Principal Software Engineer to join a small, elite team building out core infrastructure for a next-gen crypto and digital asset platform. This is a hands-on leadership role focused on scalable backend systems, low-latency data flows, and secure, cloud-native architecture.
You'll work remotely from anywhere in Northern Ireland, with the option to collaborate in a modern Grade A city centre office. The engineering culture is clean, pragmatic and delivery-focused - ideal for someone who enjoys solving complex problems with smart, reliable code and has a passion for shaping high-performance platforms.
What you'll be working on:
Core backend services for trade execution, account management, market data, and transaction flows
Designing and building microservices and event-driven pipelines with strong SLAs
Helping scale infrastructure across cloud-native environments using Kubernetes and AWS
Playing a key role in architecture, mentoring, and platform evolution
Collaborating closely with engineering, infosec and DevOps to ensure robust, secure, scalable systems
Contributing to the selection of tools, patterns, and design standards across the backend estate
Go, Java, Python
What we're looking for:
Strong understanding of trading systems, crypto, low-latency messaging or financial platforms
Solid architectural grounding in distributed systems, APIs, and service mesh concepts
Comfortable designing and deploying systems on cloud platforms (preferably AWS)
Experience mentoring other engineers and guiding team-level technical decisions
Familiar with secure, reliable communication and monitoring across production environments
Location: Remote (Northern Ireland) with optional Belfast office
Salary: Up to £110k base + bonus + benefits
Apply here or reach out to Aaron Somers at Ocho for more information via LinkedIn.
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