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About the Role
Hyperlayer is seeking a Principal AI Engineer to lead the AI infrastructure development for a new payment platform. This role involves designing and building the agent layer from architecture to launch, shaping the future of AI in a complex, multi-function system.
Responsibilities
- Design the agentic control plane for a new platform, covering agent authoring, deployment, governance, operation, and observation.
- Define agent declaration and scoping, including registry, authority boundaries, autonomy levels, and tool bindings.
- Own the evaluation and analytics layer for agent behavior, including trace capture, hallucination detection, containment measurement, cost accounting, and regression tracking.
- Participate in system-level design and architecture decisions.
- Ensure AI systems scale, remain reliable, and meet financial regulation objectives.
- Collaborate with platform architecture and engineering leads to ensure cohesive system integration.
- Shape the AI architecture for a platform under development, influencing agent behavior across the system.
Requirements
- 8+ years of experience in AI/ML or software engineering, with a focus on designing and shipping agentic systems into production.
- Experience architecting agent governance for high-stakes domains, including guardrails, autonomy levels, kill switches, and human-in-the-loop approval.
- Experience with agent runtimes, including sandboxing, isolation, tool invocation, multi-agent orchestration, and reasoning-loop control.
- A track record of building or operating an evaluation and analytics harness for agent behavior.
- Comfort with cloud platforms (AWS primarily, GCP is a plus) and container technologies (Docker, Kubernetes).
- Experience designing systems that combine deterministic, rules-based processing with agent-based reasoning.
- Solid Python and SQL skills, with hands-on experience with LLM or agent frameworks (e.g., LangChain).
- Understanding of identity and authorization models extended to non-human/agent principals.
- A data-driven mindset and ability to define key performance metrics for agents.
- Strong communication and collaboration skills.
- Curiosity and a passion for experimentation in AI integration.
Skills
- AI/ML
- Software Engineering
- Agentic Systems
- Agent Governance
- Agent Runtimes
- Evaluation and Analytics
- Cloud Platforms (AWS, GCP)
- Container Technologies (Docker, Kubernetes)
- Python
- SQL
- LLM Frameworks
- Agent Frameworks (LangChain)
- Identity and Authorization Models
- Data Analysis
- Communication
- Collaboration
- Experimentation
Location
- UK
Work Type
- Onsite
- Full-time
Experience Level
- Principal
- 8+ years
Benefits
- Performance-based employee bonus scheme
- 25 days annual leave plus bank holidays
- A day off on your birthday
- An additional day per year of tenure (up to 30)
- Critical illness and life insurance cover
- AXA PPP Health Insurance (including gym offers)
- Cycle-to-work scheme
- Referral bonus scheme
- Workplace Nursery Scheme
About the Company
- Hyperlayer is on a mission to reinvent how people and businesses move money.
- At Hyperlayer, we are proud of our in-office culture, which fosters collaboration and a great working atmosphere.
- We value our team and are committed to making a positive impact on people's lives by simplifying money management.
Equal Opportunity
- Hyperlayer's commitment to equity, diversity, and inclusion is a key part of our mission to serve customers, employees, and business partners from every background.
- We are constantly learning and striving to do better, and we expect all staff to actively participate in this process.