Technical Lead, Agentic Commerce Engineering - (London)
Total System Services, LLC (TSYS)1 day ago
London, United KingdomStaff+
Responsibilities
- Design and deliver secure checkout and payment APIs that AI agents can invoke reliably and deterministically.
- Define platform patterns for agent identity, delegated authority, user intent, authentication, tokenization, fraud signals, evidence records, reporting, and downstream payment integration.
- Architect and ship merchant-facing APIs and SDKs with clear contracts, predictable error handling, documentation, testing, sandbox-friendly flows, and strong developer experience.
- Partner with internal teams, standards groups, AI commerce partners, merchants, and external developers to shape interoperable agent-led payment approaches.
- Set technical direction for a greenfield agentic commerce squad and balance speed, interoperability, security, reliability, and extensibility.
- Provide hands-on leadership through architecture reviews, design decisions, code reviews, mentoring, incident learning, and engineering standards.
- Help recruit and develop AI-forward engineers.
- Contribute to API governance and platform standards across the engineering organization.
Requirements
- 8+ years of software engineering experience, including architecture and production ownership of distributed services, APIs, or high-reliability transaction-processing platforms.
- Strong cloud-native engineering experience with AWS, GCP, Azure, or comparable public cloud environments.
- Practical understanding of AI-agent systems, including tool use, APIs, structured inputs and outputs, delegated permissions, and external services.
- Experience designing safe, deterministic, and auditable payment flows around AI-agent behavior.
- Proven technical leadership in architecture ownership, mentoring, design reviews, cross-functional influence, and ambiguous or emerging product areas.
- Experience designing API-first platforms with versioning, documentation, testing strategies, predictable error handling, secure integration patterns, and strong developer experience.
- Outstanding communication skills and the ability to build effective relationships across levels.
- Preferred experience includes payments, fintech, commerce platforms, card-not-present processing, checkout, gateways, tokenization, 3DS/SCA, fraud and risk systems, dispute workflows, merchant reporting, or real-time money movement.
- Preferred experience includes LLM-powered applications, AI-agent frameworks, tool-calling systems, MCP-style integrations, A2A-style protocols, or related standards work.
- Public engineering presence, open-source participation, standards work, technical writing, conference or forum participation, community engagement, or greenfield enterprise product experience is a bonus.
Benefits
- Inclusive, global teams with opportunities to learn and grow across borders.
- Opportunity to shape a new category of agentic commerce and work with internal and external ecosystem partners.