Senior Software Developer (AI)

Location: Hybrid working from Belfast, United Kingdom

Salary: £80,000–£100,000 per annum, plus bonus

Company

hirify.global is recruiting for a global security leader in identity, payments, data security, public key infrastructure, digital identity, and cryptographic security. The Northern Ireland team is building a trusted platform for AI-agent identity, authority, execution, and assurance.

What you will do

• 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 with automated tests and participate in code, design, security, and operational-readiness reviews.
• Apply secure development, privacy, observability, resilience, and performance practices.
• Collaborate with Product, Quality Engineering, Security, and Cloud Operations; troubleshoot production issues, support incident response, and implement lasting fixes.

Requirements

• 5+ years of 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 skills and the ability to deliver high-quality work with increasing independence.
• Degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

Nice to have

• Experience with identity, authentication, authorisation, PKI, cryptography, or zero-trust systems.
• Experience with Kubernetes, infrastructure as code, event-driven systems, or high-scale SaaS.
• Familiarity with agentic AI, MCP, LLM integrations, or software for regulated and security-sensitive environments.

Culture & Benefits

• Hybrid working from Belfast with an opportunity to join the founding team for a new platform in Northern Ireland.
• Generous annual leave and a comprehensive benefits package.
• Competitive salary plus bonus.
• Opportunity to work on trust and security for AI agents with the stability and scale of a global security leader.

Hiring process

• Contact Phil Gamble for further information or connect with him on LinkedIn or WhatsApp.