Associate Software Engineer - AI Agents

Salary: £58,000 - 98,000 per year

Requirements:

• Able to work on-site four days per week at our Belfast office
• Experience designing, developing, and supporting applications in a microservices cloud environment, or entry into the role with a Masters degree
• Personal interest in AI agents, including tinkering with agent frameworks or LLM SDKs such as LangGraph, OpenAI/Anthropic Agents SDK, MCP, LangChain, or similar
• Exposure to agentic or LLM-based systems, with curiosity about the eval, observability, and rollback story that takes them beyond prototypes
• Demonstrated learning velocity and curiosity, with a drive to understand systems beyond surface-level usage and learn enterprise platform-level tradeoffs
• Solid working experience with Python; TypeScript/Node is a plus
• Comfortable debugging services and reading logs and traces; exposure to OpenTelemetry is a plus
• Familiarity with cloud-native development and container systems; AWS experience is a plus
• Excellent time management skills and willingness to coordinate work with colleagues in the US and around the globe
• Excellent communication skills and a collaborative, teachable attitude
• A proactive get it done attitude and willingness to move forward through uncertainty
• Readiness to participate in an on-call rotation during times coordinated with US-based colleagues
• BSc or MSc in Computer Science or a related field, or equivalent experience
• Interest in AI-driven development such as Claude Code, Codex, and agentic communication protocols such as A2A and MCP is preferred

Responsibilities:

• Work closely with senior and staff engineers to implement components of the agent runtimes and SDKs that product teams build on
• Help uphold what release-ready means at Proofpoint, including eval suites, safety checks, telemetry, and AuthX that gate every rollout
• Learn how mission-critical agentic software gets built across the company
• Ship code and help operate production-grade services
• Build features and services on the Satori platform, our enterprise AI agent platform

Technologies:

• AI
• AI Agents
• AWS
• Claude Code
• Cloud
• LLM
• MCP
• OpenTelemetry
• Python
• TypeScript
• microservices
• NodeJS
• Office 365
• Security

More:

We are Proofpoint, a global leader in human- and agent-centric cybersecurity. We protect how people, data, and AI agents connect across email, cloud, and collaboration tools. Over 80 of the Fortune 100, 10,000 large enterprises, and millions of smaller organizations trust us to stop threats, prevent data loss, and build resilience across their people and AI workflows. Our mission is to safeguard the digital world and empower people to work securely and confidently. You will join our global team guided by our BRAVE core values: Bold, Responsive, Accountable, Visionary, and Exceptional. This is a full-time Associate Software Engineer role on Satori, our enterprise AI agent platform, based in Belfast, Northern Ireland. We offer competitive compensation, comprehensive benefits, career success on your terms, a flexible work environment, annual wellness and community outreach days, recognition for your contributions, and global collaboration and networking opportunities. We encourage applications from individuals of all backgrounds, experiences, and perspectives.

last updated 37 week of 2026