Senior Backend Engineer - Cloud Security (Hybrid, Belfast)

Ocho; Belfast City District; Hybrid; GBP 50,000 - 100,000; Full time

Benefits offered by this job

Hybrid work

Career progression

Visible product impact

Job summary

Ocho in Belfast is seeking a Backend Software Engineer to own the full development lifecycle—from design through deployment and monitoring—on a CNAPP security platform. You will work in a low-ego, engineering-led culture where decisions are trusted to the people closest to the work.

The role offers hybrid work with three days onsite in Belfast, and you will shape high-scale security systems while collaborating with frontend, DevOps and security teams to deliver real product impact.

Qualifications

• 4+ years of backend development experience in a high-performing environment.
• Experience with AWS, Azure or GCP.
• Exposure to data-intensive systems (databases, messaging, event-driven architectures).
• Comfortable in a microservices environment with modern CI/CD.
• Kubernetes, Docker, Elasticsearch, Redis, RabbitMQ or TimescaleDB.
• Understanding of cloud security principles.

Responsibilities

• Make architectural decisions shaping high-scale security systems.
• Improve performance, scalability and reliability of backend systems.
• Lead design and code reviews to maintain engineering standards.
• Collaborate closely with Frontend, DevOps and Security teams.

Skills

Backend development

Data-intensive systems

Microservices

CI/CD

Tools

AWS

Azure

GCP

Kubernetes

Docker

Elasticsearch

Redis

RabbitMQ

TimescaleDB

Job description

Ocho in Belfast is seeking a Backend Software Engineer to own the full development lifecycle—from design through deployment and monitoring—on a CNAPP security platform. You will work in a low-ego, engineering-led culture where decisions are trusted to the people closest to the work.

The role offers hybrid work with three days onsite in Belfast, and you will shape high-scale security systems while collaborating with frontend, DevOps and security teams to deliver real product impact.