Senior Software Developer: AI Agent Security (Hybrid)

Ocho; Belfast City District; Hybrid; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Generous annual leave

Comprehensive benefits package

Founding team opportunity

Job summary

Ocho, a global security leader, is building a new AI agent security platform in Northern Ireland. As a Senior Software Developer, you will own significant features end-to-end, delivering secure APIs, scalable cloud services and robust data flows.

You’ll collaborate across Product, Architecture, Security and Cloud Operations, mentoring others while shaping a cutting-edge security solution for AI agents. The role is hybrid in Belfast with a competitive salary plus bonus.

Qualifications

• 5+ years' professional software development experience.
• Strong proficiency in at least one modern programming language.
• Experience building services and APIs with data stores in cloud environments.
• Experience with automated testing, source control, CI/CD, debugging and production support.
• Working knowledge of application security, distributed systems and agile development.
• Clear communication and the ability to deliver high-quality work with increasing independence.
• Degree in Computer Science, Engineering or a related field, or equivalent practical experience.

Responsibilities

• Design, implement, test, document, deploy and support complex product capabilities and cloud services.
• Develop secure APIs, services, integrations, SDKs and data flows aligned with platform architecture and interface contracts.
• Break ambiguous requirements into practical designs and incremental delivery plans.
• Write maintainable code backed by automated tests.
• Take an active part in code, design, security and operational-readiness reviews.
• Collaborate with Product, Quality Engineering, Security and Cloud Operations to resolve dependencies and defects.
• Troubleshoot complex production issues, participate in incident response and implement lasting fixes.
• Mentor less experienced developers and contribute to documentation and team standards.

Skills

Software development

Cloud APIs

Automated testing

CI/CD

Security & reliability

Clear communication

CS/Engineering degree

Education

Bachelor's degree in CS/Engineering or related field

Tools

Kubernetes

Infrastructure as code

Event-driven architecture

Job description

Ocho, a global security leader, is building a new AI agent security platform in Northern Ireland. As a Senior Software Developer, you will own significant features end-to-end, delivering secure APIs, scalable cloud services and robust data flows.

You’ll collaborate across Product, Architecture, Security and Cloud Operations, mentoring others while shaping a cutting-edge security solution for AI agents. The role is hybrid in Belfast with a competitive salary plus bonus.